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ARKAT USA, INC.
ARKAT USA, Inc. - Publisher of ARKIVOC (Free Journal of OrganicChemistry)
ARKAT USA, INC.
Volume 2004. Volume 2003. Volume 2002. Volume 2001. Volume 2000. Future Volumes. Volume 2022. LOCKSS system has permission to collect, preserve, and serve this open access Archival Unit. CHEMISTRY OF SILEPINS AND THEIR ANALOGS CONTAINING GROUP Arkivoc 2020, vii, 379-400 Janosik, T. et al. Page 382 ©AUTHOR(S) Fused silepins are more well-studied, and several different strategies for their construction are available. During extensive studies on compounds featuring C−Si bonds, a series of tetrahydrosilepins 12a−c were obtained as products from the reactions of the Grignard reagent derived from the dibromide 13 with suitableARKAT USA, INC.
12. Mitsonobu reaction of cannabidiol. Synthesis of water-soluble cannabidiol derivatives (HK-11347IP) Thomas Ziegler and Eric Cosky DOI: https://doi.org/10.24820/ark SYNTHESIS OF FRÉCHET-TYPE POLY(ARYL ETHER) DENDRIMERS WITH Arkivoc 2017, v, 117-128 Magaña-Vergara, N. E. et al. Page 120 ©ARKAT USA, Inc The 1H NMR spectra of 6, 7 and 8 are shown in Figure 1. For compound 6 (G1) with six allyl groups, the protecting groups appear as a ddd around 6.05 ppm for H-9 while H-10a and H-10b appear as dd in 5.42 and 5.29 ppm, respectively. IDENTIFICATION OF ALPRAZOLAM AND ITS DEGRADATION PRODUCTS Issue in Honor of Prof. António-Rocha Gonsalves ARKIVOC 2010 (v) 128-141 ISSN 1551-7012 Page 129 ©ARKAT USA, Inc. Introduction Alprazolam (AL) is a triazolobenzodiazepine used extensively for the control of panic attacks SYNTHESIS OF NOVEL PYRROLOAZEPINONES BY SCHMIDT EXPANSIONS Arkivoc 2020, vi, 262-275 Gámez-Gómez, C. et al. Page 265 © AUTHOR(S) Table 1. Continued Entry Equiv. of PdCl 2 Atm Reaction Time (h) Solvent Yield (%)b 12 0.5 O 2 NEW METHODS FOR THE PREPARATIONS OF 2-ARYLAZIRIDINES, Α Issue in Honor of Prof. M. MÄ…kosza ARKIVOC 2004 (iii) 42-65 ISSN 1424-6376 Page 47 ©ARKAT USA, Inc gave the similar product (3d) in moderate yield (entry 5).16 4-Chloro-α-phthalimidostyrene (3c) was obtained in 90% yield by using potassium phthalimide (entry 4); however, when dimethylsulfonium triflate was used instead of 1a, compound 3c was not SYNTHESIS OF N-ARYLSUBSTITUTED PYRROLIDINES AND General Papers ARKIVOC 2014 (v) 341-350 Page 344 ©ARKAT-USA, Inc. H O OH H Cl 4 + CCl 4 FeCl 3 . 6H 2 O-CO 2, 2H 2 O 4 25 Scheme 5 The next step is the reaction of chlorohydrin 25 ACTIVE ANTIFUNGAL SUBSTANCES FROM NATURAL SOURCES Issue in Honor of Prof. Atta-ur-Rahman ARKIVOC 2007 (vii) 116-145 ISSN 1424-6376 Page 116 ©ARKAT Active antifungal substances from naturalsources
ARKAT USA, INC.
ARKAT USA, Inc. - Publisher of ARKIVOC (Free Journal of OrganicChemistry)
ARKAT USA, INC.
Volume 2004. Volume 2003. Volume 2002. Volume 2001. Volume 2000. Future Volumes. Volume 2022. LOCKSS system has permission to collect, preserve, and serve this open access Archival Unit. CHEMISTRY OF SILEPINS AND THEIR ANALOGS CONTAINING GROUP Arkivoc 2020, vii, 379-400 Janosik, T. et al. Page 382 ©AUTHOR(S) Fused silepins are more well-studied, and several different strategies for their construction are available. During extensive studies on compounds featuring C−Si bonds, a series of tetrahydrosilepins 12a−c were obtained as products from the reactions of the Grignard reagent derived from the dibromide 13 with suitableARKAT USA, INC.
12. Mitsonobu reaction of cannabidiol. Synthesis of water-soluble cannabidiol derivatives (HK-11347IP) Thomas Ziegler and Eric Cosky DOI: https://doi.org/10.24820/ark SYNTHESIS OF FRÉCHET-TYPE POLY(ARYL ETHER) DENDRIMERS WITH Arkivoc 2017, v, 117-128 Magaña-Vergara, N. E. et al. Page 120 ©ARKAT USA, Inc The 1H NMR spectra of 6, 7 and 8 are shown in Figure 1. For compound 6 (G1) with six allyl groups, the protecting groups appear as a ddd around 6.05 ppm for H-9 while H-10a and H-10b appear as dd in 5.42 and 5.29 ppm, respectively. IDENTIFICATION OF ALPRAZOLAM AND ITS DEGRADATION PRODUCTS Issue in Honor of Prof. António-Rocha Gonsalves ARKIVOC 2010 (v) 128-141 ISSN 1551-7012 Page 129 ©ARKAT USA, Inc. Introduction Alprazolam (AL) is a triazolobenzodiazepine used extensively for the control of panic attacks SYNTHESIS OF NOVEL PYRROLOAZEPINONES BY SCHMIDT EXPANSIONS Arkivoc 2020, vi, 262-275 Gámez-Gómez, C. et al. Page 265 © AUTHOR(S) Table 1. Continued Entry Equiv. of PdCl 2 Atm Reaction Time (h) Solvent Yield (%)b 12 0.5 O 2 NEW METHODS FOR THE PREPARATIONS OF 2-ARYLAZIRIDINES, Α Issue in Honor of Prof. M. MÄ…kosza ARKIVOC 2004 (iii) 42-65 ISSN 1424-6376 Page 47 ©ARKAT USA, Inc gave the similar product (3d) in moderate yield (entry 5).16 4-Chloro-α-phthalimidostyrene (3c) was obtained in 90% yield by using potassium phthalimide (entry 4); however, when dimethylsulfonium triflate was used instead of 1a, compound 3c was not SYNTHESIS OF N-ARYLSUBSTITUTED PYRROLIDINES AND General Papers ARKIVOC 2014 (v) 341-350 Page 344 ©ARKAT-USA, Inc. H O OH H Cl 4 + CCl 4 FeCl 3 . 6H 2 O-CO 2, 2H 2 O 4 25 Scheme 5 The next step is the reaction of chlorohydrin 25 ACTIVE ANTIFUNGAL SUBSTANCES FROM NATURAL SOURCES Issue in Honor of Prof. Atta-ur-Rahman ARKIVOC 2007 (vii) 116-145 ISSN 1424-6376 Page 116 ©ARKAT Active antifungal substances from naturalsources
ARKAT USA, INC.
ARKIVOC Volume 2020. Part (vi): General Papers. Graphical Abstracts. 1. Synthesis and spectral comparison of electronic and molecular properties of some hydrazines and hydrazyl free radicals (20-11119MP) Bianca Patrascu, Cecilia Lete, Codruta Popescu, Mihaela Matache, Anca Paun, Augustin Madalan and Petre Ionitaa. PYRETHROID INSECTICIDES. CHAPTER I. SYNTHESIS, STRUCTURE Arkivoc 2021, i, 55-77 Krief, A. Page 59 ©AUTHOR(S) 2.2.1 Cypermethrin.(1j, Figure 2) possessing two vinylic chlorine substituents, is sold as a mixture of stereoisomers in which the one that possesses the same stereochemistry 1(R)-cis-stereochemistry, as deltamethrin (1k), is by far the most active although lessefficient.2.2.2.
-PINENE AND CAMPHOR BASED, PYRAZOLE-TETHERED Arkivoc 2021, viii, 0-0 Saha, D. et al. Page 2 ©AUTHOR(S) Introduction Asymmetric catalysis often requires design and synthesis of new chiral ligands to improve enantioselectivity in NUCLEOBASE COUPLING BY MITSUNOBU REACTION TOWARDS Arkivoc 2021, iv, 0-0 de Sousa, E. C. et al. Page 2 ©AUTHOR(S) Table of Contents 1. Introduction 1.1. Nucleoside analogs 1.2. Mitsunobu reaction 2. Nucleobase Coupling 2.1. Reaction condition in EFFICIENT SYNTHESIS OF (-)-CLAUSENAMIDE Arkivoc 2021, viii, 0-0 Zhu, S. et al. Page 2 ©AUTHOR(S) Introduction Racemic clausenamide is a pyrrolidone natural product first isolated from the aqueous extract of the leaves of clausenalansium,1 and it exhibited nootropic and anti-acute cerebral ischemia in biological tests.2 However, it has been shown that (-)-clausenamide was the real nootropic active ingredient, which possessed significantARKAT USA, INC.
ARKIVOC Volume 2016. Part (iv): General Papers. Graphical Abstracts. 1. New and efficient synthesis of 1,4-oxazines through the reaction of acetylenic esters and nitrosonaphthols in the presence of phosphine derivatives (16-9543JP) Razieh Mohebat, Afshin Yazdani Elah Abadi, Aliakbar Soltani and Mitra Saghafi. SELENIUM-CONTAINING POLYMERS: SYNTHESIS AND APPLICATIONS Arkivoc 2019, ii, 0-0 Wojaczyńska, E. et al. Page 3 ©AUTHOR(S) reagent was used to obtain polydiselenide with R = biphenyl.10 In this case the electric resistivity was slightly lower than for other Se containing polymers, being in the range 1011-12 Ω cm. An extension of the above work was reported in the 1990s, when Kobayashi and coworkerspresented
PROFESSOR JAN BERGMAN Arkivoc 2020, vii, 1-15 Joule, J. Page 2 ©AUTHOR(S) Professor Jan Olof Einar Bergman (Jan Bergman) was born on the 30th of April, 1941, in Spånga, Sweden, a small town later incorporated into its Eastern neighbor, Stockholm. BACCHARIS (COMPOSITAE): A REVIEW UPDATE Issue in Honor of Prof. Atta-ur-Rahman ARKIVOC 2007 (vii) 76-96 ISSN 1424-6376 Page 80 ©ARKAT Baccharis teindalensis L. is a herbal plant which is widely used in folk medicine in RECENT ADVANCES IN COPPER-CATALYZED C-S CROSS-COUPLING Reviews and Accounts ARKIVOC 2015 (i) 1-28 Page 1 ©ARKAT-USA, Inc. Recent advances in copper-catalyzed C-S cross-coupling reactions Asha Sujatha, Anns Maria Thomas, Amrutha P Thankachan,ARKAT USA, INC.
ARKAT USA, Inc. - Publisher of ARKIVOC (Free Journal of OrganicChemistry)
ARKAT USA, INC.
Volume 2004. Volume 2003. Volume 2002. Volume 2001. Volume 2000. Future Volumes. Volume 2022. LOCKSS system has permission to collect, preserve, and serve this open access Archival Unit. CHEMISTRY OF SILEPINS AND THEIR ANALOGS CONTAINING GROUP Arkivoc 2020, vii, 379-400 Janosik, T. et al. Page 382 ©AUTHOR(S) Fused silepins are more well-studied, and several different strategies for their construction are available. During extensive studies on compounds featuring C−Si bonds, a series of tetrahydrosilepins 12a−c were obtained as products from the reactions of the Grignard reagent derived from the dibromide 13 with suitableARKAT USA, INC.
12. Mitsonobu reaction of cannabidiol. Synthesis of water-soluble cannabidiol derivatives (HK-11347IP) Thomas Ziegler and Eric Cosky DOI: https://doi.org/10.24820/ark PYRETHROID INSECTICIDES. CHAPTER I. SYNTHESIS, STRUCTURE Arkivoc 2021, i, 55-77 Krief, A. Page 59 ©AUTHOR(S) 2.2.1 Cypermethrin.(1j, Figure 2) possessing two vinylic chlorine substituents, is sold as a mixture of stereoisomers in which the one that possesses the same stereochemistry 1(R)-cis-stereochemistry, as deltamethrin (1k), is by far the most active although lessefficient.2.2.2.
NUCLEOBASE COUPLING BY MITSUNOBU REACTION TOWARDS Arkivoc 2021, iv, 0-0 de Sousa, E. C. et al. Page 2 ©AUTHOR(S) Table of Contents 1. Introduction 1.1. Nucleoside analogs 1.2. Mitsunobu reaction 2. Nucleobase Coupling 2.1. Reaction condition in SYNTHESIS OF FRÉCHET-TYPE POLY(ARYL ETHER) DENDRIMERS WITH Arkivoc 2017, v, 117-128 Magaña-Vergara, N. E. et al. Page 120 ©ARKAT USA, Inc The 1H NMR spectra of 6, 7 and 8 are shown in Figure 1. For compound 6 (G1) with six allyl groups, the protecting groups appear as a ddd around 6.05 ppm for H-9 while H-10a and H-10b appear as dd in 5.42 and 5.29 ppm, respectively. ACETYLATION OF ALCOHOLS, PHENOLS AND SALICYLIC ACID BY General Papers ARKIVOC 2007 (xvi) 123-131 SYNTHESIS OF NOVEL PYRROLOAZEPINONES BY SCHMIDT EXPANSIONS Arkivoc 2020, vi, 262-275 Gámez-Gómez, C. et al. Page 265 © AUTHOR(S) Table 1. Continued Entry Equiv. of PdCl 2 Atm Reaction Time (h) Solvent Yield (%)b 12 0.5 O 2 IDENTIFICATION OF ALPRAZOLAM AND ITS DEGRADATION PRODUCTS Issue in Honor of Prof. António-Rocha Gonsalves ARKIVOC 2010 (v) 128-141 ISSN 1551-7012 Page 129 ©ARKAT USA, Inc. Introduction Alprazolam (AL) is a triazolobenzodiazepine used extensively for the control of panic attacksARKAT USA, INC.
ARKAT USA, Inc. - Publisher of ARKIVOC (Free Journal of OrganicChemistry)
ARKAT USA, INC.
Volume 2004. Volume 2003. Volume 2002. Volume 2001. Volume 2000. Future Volumes. Volume 2022. LOCKSS system has permission to collect, preserve, and serve this open access Archival Unit. CHEMISTRY OF SILEPINS AND THEIR ANALOGS CONTAINING GROUP Arkivoc 2020, vii, 379-400 Janosik, T. et al. Page 382 ©AUTHOR(S) Fused silepins are more well-studied, and several different strategies for their construction are available. During extensive studies on compounds featuring C−Si bonds, a series of tetrahydrosilepins 12a−c were obtained as products from the reactions of the Grignard reagent derived from the dibromide 13 with suitableARKAT USA, INC.
12. Mitsonobu reaction of cannabidiol. Synthesis of water-soluble cannabidiol derivatives (HK-11347IP) Thomas Ziegler and Eric Cosky DOI: https://doi.org/10.24820/ark PYRETHROID INSECTICIDES. CHAPTER I. SYNTHESIS, STRUCTURE Arkivoc 2021, i, 55-77 Krief, A. Page 59 ©AUTHOR(S) 2.2.1 Cypermethrin.(1j, Figure 2) possessing two vinylic chlorine substituents, is sold as a mixture of stereoisomers in which the one that possesses the same stereochemistry 1(R)-cis-stereochemistry, as deltamethrin (1k), is by far the most active although lessefficient.2.2.2.
NUCLEOBASE COUPLING BY MITSUNOBU REACTION TOWARDS Arkivoc 2021, iv, 0-0 de Sousa, E. C. et al. Page 2 ©AUTHOR(S) Table of Contents 1. Introduction 1.1. Nucleoside analogs 1.2. Mitsunobu reaction 2. Nucleobase Coupling 2.1. Reaction condition in SYNTHESIS OF FRÉCHET-TYPE POLY(ARYL ETHER) DENDRIMERS WITH Arkivoc 2017, v, 117-128 Magaña-Vergara, N. E. et al. Page 120 ©ARKAT USA, Inc The 1H NMR spectra of 6, 7 and 8 are shown in Figure 1. For compound 6 (G1) with six allyl groups, the protecting groups appear as a ddd around 6.05 ppm for H-9 while H-10a and H-10b appear as dd in 5.42 and 5.29 ppm, respectively. ACETYLATION OF ALCOHOLS, PHENOLS AND SALICYLIC ACID BY General Papers ARKIVOC 2007 (xvi) 123-131 SYNTHESIS OF NOVEL PYRROLOAZEPINONES BY SCHMIDT EXPANSIONS Arkivoc 2020, vi, 262-275 Gámez-Gómez, C. et al. Page 265 © AUTHOR(S) Table 1. Continued Entry Equiv. of PdCl 2 Atm Reaction Time (h) Solvent Yield (%)b 12 0.5 O 2 IDENTIFICATION OF ALPRAZOLAM AND ITS DEGRADATION PRODUCTS Issue in Honor of Prof. António-Rocha Gonsalves ARKIVOC 2010 (v) 128-141 ISSN 1551-7012 Page 129 ©ARKAT USA, Inc. Introduction Alprazolam (AL) is a triazolobenzodiazepine used extensively for the control of panic attacksARKAT USA, INC.
ARKIVOC Volume 2020. Part (vi): General Papers. Graphical Abstracts. 1. Synthesis and spectral comparison of electronic and molecular properties of some hydrazines and hydrazyl free radicals (20-11119MP) Bianca Patrascu, Cecilia Lete, Codruta Popescu, Mihaela Matache, Anca Paun, Augustin Madalan and Petre Ionitaa. PYRETHROID INSECTICIDES. CHAPTER I. SYNTHESIS, STRUCTURE Arkivoc 2021, i, 55-77 Krief, A. Page 59 ©AUTHOR(S) 2.2.1 Cypermethrin.(1j, Figure 2) possessing two vinylic chlorine substituents, is sold as a mixture of stereoisomers in which the one that possesses the same stereochemistry 1(R)-cis-stereochemistry, as deltamethrin (1k), is by far the most active although lessefficient.2.2.2.
-PINENE AND CAMPHOR BASED, PYRAZOLE-TETHERED Arkivoc 2021, viii, 0-0 Saha, D. et al. Page 2 ©AUTHOR(S) Introduction Asymmetric catalysis often requires design and synthesis of new chiral ligands to improve enantioselectivity in AMBERLYST-15 IN ORGANIC SYNTHESIS Reviews and Accounts ARKIVOC 2012 (i) 570-609 Page 572 ©ARKAT-USA, Inc. (CHCH 2) n SO 3 H Amberlyst-15 1. Introduction In the past decade, the chemistry of Amberlyst-15 has experienced a COPPER-CATALYZED RADICAL OXYALLYLATION OF OLEFINS FOR THE Arkivoc 2020, viii, 0-0 He, X. et al. Page 2 ©AUTHOR(S) Introduction The direct difunctionalization of alkenes, a valuable and readily available feedstock, represents one of the most effective strategies for increasing molecular complexity in synthetic organic chemistry.1-16 Among them, the oxyallylation of alkenes is a particularly useful reactions, because the alkenes motif in theresulting
SYNTHESIS OF METHOXYCHALCONE DERIVATIVES WITH ISOBORNYL Arkivoc 2020, viii, 0-0 Popova, S. A. et al. Page 3 ©AUTHOR(S) a strong base, we preliminarily spent protected the OH groups of 1-acetyl-2,4-dihydroxy-5-isobornylbenzene 2 by O-allylation in the presence of K 2 CO 3 /KI26.Varying the temperature of the reaction mixture and the ratio of 1,3,4-THIADIAZOL-2-YLPHENYL-1,2,4,5-TETRAZINES: EFFICIENT Arkivoc 2021, viii, 0-0 Maj, A. et al. Page 2 ©AUTHOR(S) Introduction One of the most interesting heterocyclic arrangements, characterised by both the maximum content of nitrogen atoms and its ring stability, is the six-membered 1,2,4,5-tetrazine (s-tetrazine).1 Among its most commonly described applications, one has to distinguish high-energy-density materials (HEDM), which allow SUPPLEMENTARY MATERIAL General Papers ARKIVOC 2021, viii, S1-S29 ©Page S3 AUTHOR(S) Synthetic procedure for allyl sulfones. a) A solution of a-methyl styrene (8.3 mL, 64 mmol) and N-bromosuccinimide (N S, 15.0 g,84 mmol) in H l3 (15 mL) was heated to reflux for 3 h. A SIMPLE AND EFFICIENT PREPARATION OF BIS(INDOLYL)METHANES Arkivoc 2021, viii, 0-0 Katrun, P. et al. Page 4 ©AUTHOR(S) Table 1. Continued Entry HCl (mmol) Support Yield (%)b 8 0.6 –c 69 9 –d silica gel no reaction a Reaction conditions: indole (1a) (2 mmol), benzaldehyde (2a) (1 mmol) and support (0.5 g) in the presence of HCl. b Isolated yield after chromatographic purification. EFFICIENT SYNTHESIS OF (-)-CLAUSENAMIDE Arkivoc 2021, viii, 0-0 Zhu, S. et al. Page 2 ©AUTHOR(S) Introduction Racemic clausenamide is a pyrrolidone natural product first isolated from the aqueous extract of the leaves of clausenalansium,1 and it exhibited nootropic and anti-acute cerebral ischemia in biological tests.2 However, it has been shown that (-)-clausenamide was the real nootropic active ingredient, which possessed significantARKAT USA, INC.
ARKAT USA, Inc. - Publisher of ARKIVOC (Free Journal of OrganicChemistry)
ARKAT USA, INC.
Volume 2004. Volume 2003. Volume 2002. Volume 2001. Volume 2000. Future Volumes. Volume 2022. LOCKSS system has permission to collect, preserve, and serve this open access Archival Unit. CHEMISTRY OF SILEPINS AND THEIR ANALOGS CONTAINING GROUP Arkivoc 2020, vii, 379-400 Janosik, T. et al. Page 382 ©AUTHOR(S) Fused silepins are more well-studied, and several different strategies for their construction are available. During extensive studies on compounds featuring C−Si bonds, a series of tetrahydrosilepins 12a−c were obtained as products from the reactions of the Grignard reagent derived from the dibromide 13 with suitableARKAT USA, INC.
12. Mitsonobu reaction of cannabidiol. Synthesis of water-soluble cannabidiol derivatives (HK-11347IP) Thomas Ziegler and Eric Cosky DOI: https://doi.org/10.24820/ark PYRETHROID INSECTICIDES. CHAPTER I. SYNTHESIS, STRUCTURE Arkivoc 2021, i, 55-77 Krief, A. Page 59 ©AUTHOR(S) 2.2.1 Cypermethrin.(1j, Figure 2) possessing two vinylic chlorine substituents, is sold as a mixture of stereoisomers in which the one that possesses the same stereochemistry 1(R)-cis-stereochemistry, as deltamethrin (1k), is by far the most active although lessefficient.2.2.2.
NUCLEOBASE COUPLING BY MITSUNOBU REACTION TOWARDS Arkivoc 2021, iv, 0-0 de Sousa, E. C. et al. Page 2 ©AUTHOR(S) Table of Contents 1. Introduction 1.1. Nucleoside analogs 1.2. Mitsunobu reaction 2. Nucleobase Coupling 2.1. Reaction condition in SYNTHESIS OF FRÉCHET-TYPE POLY(ARYL ETHER) DENDRIMERS WITH Arkivoc 2017, v, 117-128 Magaña-Vergara, N. E. et al. Page 120 ©ARKAT USA, Inc The 1H NMR spectra of 6, 7 and 8 are shown in Figure 1. For compound 6 (G1) with six allyl groups, the protecting groups appear as a ddd around 6.05 ppm for H-9 while H-10a and H-10b appear as dd in 5.42 and 5.29 ppm, respectively. ACETYLATION OF ALCOHOLS, PHENOLS AND SALICYLIC ACID BY General Papers ARKIVOC 2007 (xvi) 123-131 SYNTHESIS OF NOVEL PYRROLOAZEPINONES BY SCHMIDT EXPANSIONS Arkivoc 2020, vi, 262-275 Gámez-Gómez, C. et al. Page 265 © AUTHOR(S) Table 1. Continued Entry Equiv. of PdCl 2 Atm Reaction Time (h) Solvent Yield (%)b 12 0.5 O 2 IDENTIFICATION OF ALPRAZOLAM AND ITS DEGRADATION PRODUCTS Issue in Honor of Prof. António-Rocha Gonsalves ARKIVOC 2010 (v) 128-141 ISSN 1551-7012 Page 129 ©ARKAT USA, Inc. Introduction Alprazolam (AL) is a triazolobenzodiazepine used extensively for the control of panic attacksARKAT USA, INC.
ARKAT USA, Inc. - Publisher of ARKIVOC (Free Journal of OrganicChemistry)
ARKAT USA, INC.
Volume 2004. Volume 2003. Volume 2002. Volume 2001. Volume 2000. Future Volumes. Volume 2022. LOCKSS system has permission to collect, preserve, and serve this open access Archival Unit. CHEMISTRY OF SILEPINS AND THEIR ANALOGS CONTAINING GROUP Arkivoc 2020, vii, 379-400 Janosik, T. et al. Page 382 ©AUTHOR(S) Fused silepins are more well-studied, and several different strategies for their construction are available. During extensive studies on compounds featuring C−Si bonds, a series of tetrahydrosilepins 12a−c were obtained as products from the reactions of the Grignard reagent derived from the dibromide 13 with suitableARKAT USA, INC.
12. Mitsonobu reaction of cannabidiol. Synthesis of water-soluble cannabidiol derivatives (HK-11347IP) Thomas Ziegler and Eric Cosky DOI: https://doi.org/10.24820/ark PYRETHROID INSECTICIDES. CHAPTER I. SYNTHESIS, STRUCTURE Arkivoc 2021, i, 55-77 Krief, A. Page 59 ©AUTHOR(S) 2.2.1 Cypermethrin.(1j, Figure 2) possessing two vinylic chlorine substituents, is sold as a mixture of stereoisomers in which the one that possesses the same stereochemistry 1(R)-cis-stereochemistry, as deltamethrin (1k), is by far the most active although lessefficient.2.2.2.
NUCLEOBASE COUPLING BY MITSUNOBU REACTION TOWARDS Arkivoc 2021, iv, 0-0 de Sousa, E. C. et al. Page 2 ©AUTHOR(S) Table of Contents 1. Introduction 1.1. Nucleoside analogs 1.2. Mitsunobu reaction 2. Nucleobase Coupling 2.1. Reaction condition in SYNTHESIS OF FRÉCHET-TYPE POLY(ARYL ETHER) DENDRIMERS WITH Arkivoc 2017, v, 117-128 Magaña-Vergara, N. E. et al. Page 120 ©ARKAT USA, Inc The 1H NMR spectra of 6, 7 and 8 are shown in Figure 1. For compound 6 (G1) with six allyl groups, the protecting groups appear as a ddd around 6.05 ppm for H-9 while H-10a and H-10b appear as dd in 5.42 and 5.29 ppm, respectively. ACETYLATION OF ALCOHOLS, PHENOLS AND SALICYLIC ACID BY General Papers ARKIVOC 2007 (xvi) 123-131 SYNTHESIS OF NOVEL PYRROLOAZEPINONES BY SCHMIDT EXPANSIONS Arkivoc 2020, vi, 262-275 Gámez-Gómez, C. et al. Page 265 © AUTHOR(S) Table 1. Continued Entry Equiv. of PdCl 2 Atm Reaction Time (h) Solvent Yield (%)b 12 0.5 O 2 IDENTIFICATION OF ALPRAZOLAM AND ITS DEGRADATION PRODUCTS Issue in Honor of Prof. António-Rocha Gonsalves ARKIVOC 2010 (v) 128-141 ISSN 1551-7012 Page 129 ©ARKAT USA, Inc. Introduction Alprazolam (AL) is a triazolobenzodiazepine used extensively for the control of panic attacksARKAT USA, INC.
ARKIVOC Volume 2020. Part (vi): General Papers. Graphical Abstracts. 1. Synthesis and spectral comparison of electronic and molecular properties of some hydrazines and hydrazyl free radicals (20-11119MP) Bianca Patrascu, Cecilia Lete, Codruta Popescu, Mihaela Matache, Anca Paun, Augustin Madalan and Petre Ionitaa. PYRETHROID INSECTICIDES. CHAPTER I. SYNTHESIS, STRUCTURE Arkivoc 2021, i, 55-77 Krief, A. Page 59 ©AUTHOR(S) 2.2.1 Cypermethrin.(1j, Figure 2) possessing two vinylic chlorine substituents, is sold as a mixture of stereoisomers in which the one that possesses the same stereochemistry 1(R)-cis-stereochemistry, as deltamethrin (1k), is by far the most active although lessefficient.2.2.2.
-PINENE AND CAMPHOR BASED, PYRAZOLE-TETHERED Arkivoc 2021, viii, 0-0 Saha, D. et al. Page 2 ©AUTHOR(S) Introduction Asymmetric catalysis often requires design and synthesis of new chiral ligands to improve enantioselectivity in AMBERLYST-15 IN ORGANIC SYNTHESIS Reviews and Accounts ARKIVOC 2012 (i) 570-609 Page 572 ©ARKAT-USA, Inc. (CHCH 2) n SO 3 H Amberlyst-15 1. Introduction In the past decade, the chemistry of Amberlyst-15 has experienced a COPPER-CATALYZED RADICAL OXYALLYLATION OF OLEFINS FOR THE Arkivoc 2020, viii, 0-0 He, X. et al. Page 2 ©AUTHOR(S) Introduction The direct difunctionalization of alkenes, a valuable and readily available feedstock, represents one of the most effective strategies for increasing molecular complexity in synthetic organic chemistry.1-16 Among them, the oxyallylation of alkenes is a particularly useful reactions, because the alkenes motif in theresulting
SYNTHESIS OF METHOXYCHALCONE DERIVATIVES WITH ISOBORNYL Arkivoc 2020, viii, 0-0 Popova, S. A. et al. Page 3 ©AUTHOR(S) a strong base, we preliminarily spent protected the OH groups of 1-acetyl-2,4-dihydroxy-5-isobornylbenzene 2 by O-allylation in the presence of K 2 CO 3 /KI26.Varying the temperature of the reaction mixture and the ratio of 1,3,4-THIADIAZOL-2-YLPHENYL-1,2,4,5-TETRAZINES: EFFICIENT Arkivoc 2021, viii, 0-0 Maj, A. et al. Page 2 ©AUTHOR(S) Introduction One of the most interesting heterocyclic arrangements, characterised by both the maximum content of nitrogen atoms and its ring stability, is the six-membered 1,2,4,5-tetrazine (s-tetrazine).1 Among its most commonly described applications, one has to distinguish high-energy-density materials (HEDM), which allow SUPPLEMENTARY MATERIAL General Papers ARKIVOC 2021, viii, S1-S29 ©Page S3 AUTHOR(S) Synthetic procedure for allyl sulfones. a) A solution of a-methyl styrene (8.3 mL, 64 mmol) and N-bromosuccinimide (N S, 15.0 g,84 mmol) in H l3 (15 mL) was heated to reflux for 3 h. A SIMPLE AND EFFICIENT PREPARATION OF BIS(INDOLYL)METHANES Arkivoc 2021, viii, 0-0 Katrun, P. et al. Page 4 ©AUTHOR(S) Table 1. Continued Entry HCl (mmol) Support Yield (%)b 8 0.6 –c 69 9 –d silica gel no reaction a Reaction conditions: indole (1a) (2 mmol), benzaldehyde (2a) (1 mmol) and support (0.5 g) in the presence of HCl. b Isolated yield after chromatographic purification. EFFICIENT SYNTHESIS OF (-)-CLAUSENAMIDE Arkivoc 2021, viii, 0-0 Zhu, S. et al. Page 2 ©AUTHOR(S) Introduction Racemic clausenamide is a pyrrolidone natural product first isolated from the aqueous extract of the leaves of clausenalansium,1 and it exhibited nootropic and anti-acute cerebral ischemia in biological tests.2 However, it has been shown that (-)-clausenamide was the real nootropic active ingredient, which possessed significantARKAT USA, INC.
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12. Mitsonobu reaction of cannabidiol. Synthesis of water-soluble cannabidiol derivatives (HK-11347IP) Thomas Ziegler and Eric Cosky DOI: https://doi.org/10.24820/ark CHEMISTRY OF SILEPINS AND THEIR ANALOGS CONTAINING GROUP Arkivoc 2020, vii, 379-400 Janosik, T. et al. Page 382 ©AUTHOR(S) Fused silepins are more well-studied, and several different strategies for their construction are available. During extensive studies on compounds featuring C−Si bonds, a series of tetrahydrosilepins 12a−c were obtained as products from the reactions of the Grignard reagent derived from the dibromide 13 with suitable NUCLEOBASE COUPLING BY MITSUNOBU REACTION TOWARDS Arkivoc 2021, iv, 0-0 de Sousa, E. C. et al. Page 2 ©AUTHOR(S) Table of Contents 1. Introduction 1.1. Nucleoside analogs 1.2. Mitsunobu reaction 2. Nucleobase Coupling 2.1. Reaction condition in IDENTIFICATION OF ALPRAZOLAM AND ITS DEGRADATION PRODUCTS Issue in Honor of Prof. António-Rocha Gonsalves ARKIVOC 2010 (v) 128-141 ISSN 1551-7012 Page 129 ©ARKAT USA, Inc. Introduction Alprazolam (AL) is a triazolobenzodiazepine used extensively for the control of panic attacks RECENT APPLICATIONS OF ISATIN IN THE SYNTHESIS OF ORGANIC Arkivoc 2017, i, 148-201 Moradi, R. et al. Page 150 ©ARKAT USA, Inc arylprolinamides has been developed and the corresponding aldol products 3 were obtained (Scheme 1).26 The same authors used trans-4-hydroxy-L-prolinamide as a catalyst in this reaction.27 In a similar reaction, α-cross-coupling aldol addition of activated olefins 4 with isatins 1 has been described in the presence of ON THE DISCOVERY AND DEVELOPMENT OF TANDEM 1,4- AND 1,2 Reviews and Accounts ARKIVOC 2014 (i) 386-427 Page 386 ©ARKAT-USA, Inc. On the discovery and development of tandem 1,4- and 1,2-addition of phosphites to 1-azadienes SELECTED APPLICATIONS OF CALIXARENE DERIVATIVES Reviews and Accounts ARKIVOC 2015 (vi) 393-416 Page 396 ©ARKAT-USA, Inc. narrow rim substituted calixarenes.32 The contradiction is probably due to the fact that in 62– the CMPO groups B are directly bound to the ipso positions of calixarenes, while in 72–and 82–they are bound via the flexible butyloxy or ethyloxy chains, respectively (Scheme 1).ARKAT USA, INC.
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Volume 2004. Volume 2003. Volume 2002. Volume 2001. Volume 2000. Future Volumes. Volume 2022. LOCKSS system has permission to collect, preserve, and serve this open access Archival Unit.ARKAT USA, INC.
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12. Mitsonobu reaction of cannabidiol. Synthesis of water-soluble cannabidiol derivatives (HK-11347IP) Thomas Ziegler and Eric Cosky DOI: https://doi.org/10.24820/ark CHEMISTRY OF SILEPINS AND THEIR ANALOGS CONTAINING GROUP Arkivoc 2020, vii, 379-400 Janosik, T. et al. Page 382 ©AUTHOR(S) Fused silepins are more well-studied, and several different strategies for their construction are available. During extensive studies on compounds featuring C−Si bonds, a series of tetrahydrosilepins 12a−c were obtained as products from the reactions of the Grignard reagent derived from the dibromide 13 with suitable NUCLEOBASE COUPLING BY MITSUNOBU REACTION TOWARDS Arkivoc 2021, iv, 0-0 de Sousa, E. C. et al. Page 2 ©AUTHOR(S) Table of Contents 1. Introduction 1.1. Nucleoside analogs 1.2. Mitsunobu reaction 2. Nucleobase Coupling 2.1. Reaction condition in IDENTIFICATION OF ALPRAZOLAM AND ITS DEGRADATION PRODUCTS Issue in Honor of Prof. António-Rocha Gonsalves ARKIVOC 2010 (v) 128-141 ISSN 1551-7012 Page 129 ©ARKAT USA, Inc. Introduction Alprazolam (AL) is a triazolobenzodiazepine used extensively for the control of panic attacks RECENT APPLICATIONS OF ISATIN IN THE SYNTHESIS OF ORGANIC Arkivoc 2017, i, 148-201 Moradi, R. et al. Page 150 ©ARKAT USA, Inc arylprolinamides has been developed and the corresponding aldol products 3 were obtained (Scheme 1).26 The same authors used trans-4-hydroxy-L-prolinamide as a catalyst in this reaction.27 In a similar reaction, α-cross-coupling aldol addition of activated olefins 4 with isatins 1 has been described in the presence of ON THE DISCOVERY AND DEVELOPMENT OF TANDEM 1,4- AND 1,2 Reviews and Accounts ARKIVOC 2014 (i) 386-427 Page 386 ©ARKAT-USA, Inc. On the discovery and development of tandem 1,4- and 1,2-addition of phosphites to 1-azadienes SELECTED APPLICATIONS OF CALIXARENE DERIVATIVES Reviews and Accounts ARKIVOC 2015 (vi) 393-416 Page 396 ©ARKAT-USA, Inc. narrow rim substituted calixarenes.32 The contradiction is probably due to the fact that in 62– the CMPO groups B are directly bound to the ipso positions of calixarenes, while in 72–and 82–they are bound via the flexible butyloxy or ethyloxy chains, respectively (Scheme 1).ARKAT USA, INC.
ARKIVOC ONLINE SUBMISSION. Please Login to ARKIVOC: Email Address: Password: Register/Reset Password/Reset Password AMBERLYST-15 IN ORGANIC SYNTHESIS Reviews and Accounts ARKIVOC 2012 (i) 570-609 Page 572 ©ARKAT-USA, Inc. (CHCH 2) n SO 3 H Amberlyst-15 1. Introduction In the past decade, the chemistry of Amberlyst-15 has experienced a 1,3,4-THIADIAZOL-2-YLPHENYL-1,2,4,5-TETRAZINES: EFFICIENT Arkivoc 2021, viii, 0-0 Maj, A. et al. Page 2 ©AUTHOR(S) Introduction One of the most interesting heterocyclic arrangements, characterised by both the maximum content of nitrogen atoms and its ring stability, is the six-membered 1,2,4,5-tetrazine (s-tetrazine).1 Among its most commonly described applications, one has to distinguish high-energy-density materials (HEDM), which allow SYNTHESIS OF METHOXYCHALCONE DERIVATIVES WITH ISOBORNYL Arkivoc 2020, viii, 0-0 Popova, S. A. et al. Page 3 ©AUTHOR(S) a strong base, we preliminarily spent protected the OH groups of 1-acetyl-2,4-dihydroxy-5-isobornylbenzene 2 by O-allylation in the presence of K 2 CO 3 /KI26.Varying the temperature of the reaction mixture and the ratio of COPPER-CATALYZED RADICAL OXYALLYLATION OF OLEFINS FOR THE Arkivoc 2020, viii, 0-0 He, X. et al. Page 2 ©AUTHOR(S) Introduction The direct difunctionalization of alkenes, a valuable and readily available feedstock, represents one of the most effective strategies for increasing molecular complexity in synthetic organic chemistry.1-16 Among them, the oxyallylation of alkenes is a particularly useful reactions, because the alkenes motif in theresulting
A SIMPLE AND EFFICIENT PREPARATION OF BIS(INDOLYL)METHANES Arkivoc 2021, viii, 0-0 Katrun, P. et al. Page 4 ©AUTHOR(S) Table 1. Continued Entry HCl (mmol) Support Yield (%)b 8 0.6 –c 69 9 –d silica gel no reaction a Reaction conditions: indole (1a) (2 mmol), benzaldehyde (2a) (1 mmol) and support (0.5 g) in the presence of HCl. b Isolated yield after chromatographic purification. SUPPLEMENTARY MATERIAL General Papers ARKIVOC 2021, viii, S1-S29 ©Page S3 AUTHOR(S) Synthetic procedure for allyl sulfones. a) A solution of a-methyl styrene (8.3 mL, 64 mmol) and N-bromosuccinimide (N S, 15.0 g,84 mmol) in H l3 (15 mL) was heated to reflux for 3 h. SYNTHESIS OF NOVEL PYRROLOAZEPINONES BY SCHMIDT EXPANSIONS Arkivoc 2020, vi, 262-275 Gámez-Gómez, C. et al. Page 265 © AUTHOR(S) Table 1. Continued Entry Equiv. of PdCl 2 Atm Reaction Time (h) Solvent Yield (%)b 12 0.5 O 2 BACCHARIS (COMPOSITAE): A REVIEW UPDATE Issue in Honor of Prof. Atta-ur-Rahman ARKIVOC 2007 (vii) 76-96 ISSN 1424-6376 Page 80 ©ARKAT Baccharis teindalensis L. is a herbal plant which is widely used in folk medicine in SYNTHESIS OF POLY(VINYL ETHER)S BY CHAIN-END CAPPING WITH Arkivoc 2021, vi, 0-0 Sarker, P. et al. Page 2 ©AUTHOR(S) Introduction End functional polymers are ubiquitous in many important established technologies (e.g. adhesives and paints.) and the newer emergent technologies (drug delivery, controlled release etc.).ARKAT USA, INC.
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12. Mitsonobu reaction of cannabidiol. Synthesis of water-soluble cannabidiol derivatives (HK-11347IP) Thomas Ziegler and Eric Cosky DOI: https://doi.org/10.24820/ark CHEMISTRY OF SILEPINS AND THEIR ANALOGS CONTAINING GROUP Arkivoc 2020, vii, 379-400 Janosik, T. et al. Page 382 ©AUTHOR(S) Fused silepins are more well-studied, and several different strategies for their construction are available. During extensive studies on compounds featuring C−Si bonds, a series of tetrahydrosilepins 12a−c were obtained as products from the reactions of the Grignard reagent derived from the dibromide 13 with suitable NUCLEOBASE COUPLING BY MITSUNOBU REACTION TOWARDS Arkivoc 2021, iv, 0-0 de Sousa, E. C. et al. Page 2 ©AUTHOR(S) Table of Contents 1. Introduction 1.1. Nucleoside analogs 1.2. Mitsunobu reaction 2. Nucleobase Coupling 2.1. Reaction condition in RECENT APPLICATIONS OF ISATIN IN THE SYNTHESIS OF ORGANIC Arkivoc 2017, i, 148-201 Moradi, R. et al. Page 150 ©ARKAT USA, Inc arylprolinamides has been developed and the corresponding aldol products 3 were obtained (Scheme 1).26 The same authors used trans-4-hydroxy-L-prolinamide as a catalyst in this reaction.27 In a similar reaction, α-cross-coupling aldol addition of activated olefins 4 with isatins 1 has been described in the presence of IDENTIFICATION OF ALPRAZOLAM AND ITS DEGRADATION PRODUCTS Issue in Honor of Prof. António-Rocha Gonsalves ARKIVOC 2010 (v) 128-141 ISSN 1551-7012 Page 129 ©ARKAT USA, Inc. Introduction Alprazolam (AL) is a triazolobenzodiazepine used extensively for the control of panic attacks ON THE DISCOVERY AND DEVELOPMENT OF TANDEM 1,4- AND 1,2 Reviews and Accounts ARKIVOC 2014 (i) 386-427 Page 386 ©ARKAT-USA, Inc. On the discovery and development of tandem 1,4- and 1,2-addition of phosphites to 1-azadienes SELECTED APPLICATIONS OF CALIXARENE DERIVATIVES Reviews and Accounts ARKIVOC 2015 (vi) 393-416 Page 396 ©ARKAT-USA, Inc. narrow rim substituted calixarenes.32 The contradiction is probably due to the fact that in 62– the CMPO groups B are directly bound to the ipso positions of calixarenes, while in 72–and 82–they are bound via the flexible butyloxy or ethyloxy chains, respectively (Scheme 1).ARKAT USA, INC.
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12. Mitsonobu reaction of cannabidiol. Synthesis of water-soluble cannabidiol derivatives (HK-11347IP) Thomas Ziegler and Eric Cosky DOI: https://doi.org/10.24820/ark CHEMISTRY OF SILEPINS AND THEIR ANALOGS CONTAINING GROUP Arkivoc 2020, vii, 379-400 Janosik, T. et al. Page 382 ©AUTHOR(S) Fused silepins are more well-studied, and several different strategies for their construction are available. During extensive studies on compounds featuring C−Si bonds, a series of tetrahydrosilepins 12a−c were obtained as products from the reactions of the Grignard reagent derived from the dibromide 13 with suitable NUCLEOBASE COUPLING BY MITSUNOBU REACTION TOWARDS Arkivoc 2021, iv, 0-0 de Sousa, E. C. et al. Page 2 ©AUTHOR(S) Table of Contents 1. Introduction 1.1. Nucleoside analogs 1.2. Mitsunobu reaction 2. Nucleobase Coupling 2.1. Reaction condition in RECENT APPLICATIONS OF ISATIN IN THE SYNTHESIS OF ORGANIC Arkivoc 2017, i, 148-201 Moradi, R. et al. Page 150 ©ARKAT USA, Inc arylprolinamides has been developed and the corresponding aldol products 3 were obtained (Scheme 1).26 The same authors used trans-4-hydroxy-L-prolinamide as a catalyst in this reaction.27 In a similar reaction, α-cross-coupling aldol addition of activated olefins 4 with isatins 1 has been described in the presence of IDENTIFICATION OF ALPRAZOLAM AND ITS DEGRADATION PRODUCTS Issue in Honor of Prof. António-Rocha Gonsalves ARKIVOC 2010 (v) 128-141 ISSN 1551-7012 Page 129 ©ARKAT USA, Inc. Introduction Alprazolam (AL) is a triazolobenzodiazepine used extensively for the control of panic attacks ON THE DISCOVERY AND DEVELOPMENT OF TANDEM 1,4- AND 1,2 Reviews and Accounts ARKIVOC 2014 (i) 386-427 Page 386 ©ARKAT-USA, Inc. On the discovery and development of tandem 1,4- and 1,2-addition of phosphites to 1-azadienes SELECTED APPLICATIONS OF CALIXARENE DERIVATIVES Reviews and Accounts ARKIVOC 2015 (vi) 393-416 Page 396 ©ARKAT-USA, Inc. narrow rim substituted calixarenes.32 The contradiction is probably due to the fact that in 62– the CMPO groups B are directly bound to the ipso positions of calixarenes, while in 72–and 82–they are bound via the flexible butyloxy or ethyloxy chains, respectively (Scheme 1).ARKAT USA, INC.
ARKIVOC Volume 2021 Part (ix): Special Issue 'Reviews and Accounts'Graphical Abstracts
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ARKIVOC ONLINE SUBMISSION. Please Login to ARKIVOC: Email Address: Password: Register/Reset Password/Reset Password AMBERLYST-15 IN ORGANIC SYNTHESIS Reviews and Accounts ARKIVOC 2012 (i) 570-609 Page 572 ©ARKAT-USA, Inc. (CHCH 2) n SO 3 H Amberlyst-15 1. Introduction In the past decade, the chemistry of Amberlyst-15 has experienced a SYNTHESIS OF METHOXYCHALCONE DERIVATIVES WITH ISOBORNYL Arkivoc 2020, viii, 0-0 Popova, S. A. et al. Page 3 ©AUTHOR(S) a strong base, we preliminarily spent protected the OH groups of 1-acetyl-2,4-dihydroxy-5-isobornylbenzene 2 by O-allylation in the presence of K 2 CO 3 /KI26.Varying the temperature of the reaction mixture and the ratio of A SIMPLE AND EFFICIENT PREPARATION OF BIS(INDOLYL)METHANES Arkivoc 2021, viii, 0-0 Katrun, P. et al. Page 4 ©AUTHOR(S) Table 1. Continued Entry HCl (mmol) Support Yield (%)b 8 0.6 –c 69 9 –d silica gel no reaction a Reaction conditions: indole (1a) (2 mmol), benzaldehyde (2a) (1 mmol) and support (0.5 g) in the presence of HCl. b Isolated yield after chromatographic purification. 1,3,4-THIADIAZOL-2-YLPHENYL-1,2,4,5-TETRAZINES: EFFICIENT Arkivoc 2021, viii, 0-0 Maj, A. et al. Page 2 ©AUTHOR(S) Introduction One of the most interesting heterocyclic arrangements, characterised by both the maximum content of nitrogen atoms and its ring stability, is the six-membered 1,2,4,5-tetrazine (s-tetrazine).1 Among its most commonly described applications, one has to distinguish high-energy-density materials (HEDM), which allow COPPER-CATALYZED RADICAL OXYALLYLATION OF OLEFINS FOR THE Arkivoc 2020, viii, 0-0 He, X. et al. Page 2 ©AUTHOR(S) Introduction The direct difunctionalization of alkenes, a valuable and readily available feedstock, represents one of the most effective strategies for increasing molecular complexity in synthetic organic chemistry.1-16 Among them, the oxyallylation of alkenes is a particularly useful reactions, because the alkenes motif in theresulting
SUPPLEMENTARY MATERIAL General Papers ARKIVOC 2021, viii, S1-S29 ©Page S3 AUTHOR(S) Synthetic procedure for allyl sulfones. a) A solution of a-methyl styrene (8.3 mL, 64 mmol) and N-bromosuccinimide (N S, 15.0 g,84 mmol) in H l3 (15 mL) was heated to reflux for 3 h. CO2-ACTIVATED NACLO-5H2O ENABLED SMOOTH OXYGEN TRANSFER TO Arkivoc 2021, vii, 1-11 Miyamoto, K. et al. Page 2 ©AUTHOR(S) Introduction Hypervalent iodine(III) reagents (aryl-λ3-iodane with two heteroatom ligands) have enjoyed widespread use in modern organic synthesis as a potent, safe, and environmentally friendly oxidant.1–4 Among them, iodosylbenzene (1a), which has been known since 1892, offers many advantages.ABOUT
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