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CHEMISTRY LETTERS
Current Issue. Fluorescence Quenching by Complex of a DNA Aptamer and Porphyrin for Sensitive Detection of Porphyrins by Capillary Electrophoresis. Water Vapor Reduces the Effect of Cl-Poisoning on CO Oxidation over Pt/CeO2 Heterogeneous Catalysts. Critical Roles of Surface Oxygen Vacancy in Heterogeneous Catalysis over Ceria-basedMaterials: A
SUPRAMOLECULAR THERMOCELLS BASED ON THERMO-RESPONSIVENESS Supramolecular thermocells use thermo-responsive host–guest interaction to regenerate electrochemical energy from low-grade heat sources. The selective transport of a redox species carried by the host molecule creates a concentration gradient of the redox species and generates the thermoelectric voltage. EFFICIENT CONTINUOUS-FLOW H–D EXCHANGE REACTION OF Herein, a continuous-flow deuteration methodology for various aromatic compounds is developed based on heterogeneous platinum-catalyzed hydrogen-deuterium exchange. The reaction entails the transfe A CONVENIENT TRIFLUOROMETHYLATION OF AROMATIC … previous amine-catalyzed 1,2-haloselenenylation of alkynes with phenyl selenocyanate in the presence of cupric halide next >> sequential wittig and claisen rearrangement: a facile synthetic method for (e,e)-4,7-alkadienals and -alkadienoic acids.a new formal synthesis of(±)-cerulenin
PRODUCTION OF CO AND CH4 IN ELECTROCHEMICAL … The total analysis of gaseous and soluble products was carried out in the electrochemical reduction of CO 2 (current density 5 mA cm −2) on various electrode metals.HCOO − was predominantly produced at Cd, In, Sn, and Pb cathodes. Ag and Au principally gave CO. CH 4 BENZOQUINOLIN-10-YL-N IRIDIUM(III) COMPLEXES Benzoquinoline(bhqH) is metallated with iridium(III) to give 2 in which bhq is coordinated at 1-N and 10-C atoms.This complex reacts with a ligand(L) such as tri-n-butylphosphine and diethylsulfide to yield . AN EFFICIENT ONE-POT SYNTHETIC PROCEDURE OF MULTIPLE An Efficient One-Pot Synthetic Procedure of Multiple Porphyrin-Cyclization. Trichloroacetic acid catalyzed condensation of an aldehyde carrying more than two formyl groups and 3,5-di-tert-butylbenzaldehyde with bis (3-ethyl-4-methyl-2-pyrrolyl)-methane in acetonitrile followed by p-chloranil oxidation gave oligomeric porphyrins in good yield H2 OR O2 EVOLUTION FROM AQUEOUS SOLUTIONS ON LAYERED OXIDE Bi 2 W 2 O 9, Bi 2 WO 6, and Bi 3 TiNbO 9 consisting of layered structure with perovskite slabs interleaved with Bi 2 O 2 layers showed photocatalytic activities for H 2 evolution from an aqueous methanol solution and O 2 evolution from an aqueous silver nitrate solution. Bi 2 WO 6 with the Aurivillius structure and a 2.8 eV band gap was active for the O 2 evolution reaction under visible NOVEL GOLD CATALYSTS FOR THE OXIDATION OF CARBON MONOXIDE A variety of gold catalysts can be used to catalyze the oxidation of carbon monoxide at temperatures as low as −70 °C and are stable in a moistened gas atmosphere. The novel catalysts, prepared by BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN Direct sampling graphite furnace atomic absorption spectrometry – A suitable tool for the determination of metallic contaminants in pitch. Elucidation of the mechanism of quantum dot arrangement based on self-assembly of an azobenzene derivative. Construction of CF3-Containing Quaternary Chiral Centers via Michael AdditionReactions.
CHEMISTRY LETTERS
Current Issue. Fluorescence Quenching by Complex of a DNA Aptamer and Porphyrin for Sensitive Detection of Porphyrins by Capillary Electrophoresis. Water Vapor Reduces the Effect of Cl-Poisoning on CO Oxidation over Pt/CeO2 Heterogeneous Catalysts. Critical Roles of Surface Oxygen Vacancy in Heterogeneous Catalysis over Ceria-basedMaterials: A
SUPRAMOLECULAR THERMOCELLS BASED ON THERMO-RESPONSIVENESS Supramolecular thermocells use thermo-responsive host–guest interaction to regenerate electrochemical energy from low-grade heat sources. The selective transport of a redox species carried by the host molecule creates a concentration gradient of the redox species and generates the thermoelectric voltage. EFFICIENT CONTINUOUS-FLOW H–D EXCHANGE REACTION OF Herein, a continuous-flow deuteration methodology for various aromatic compounds is developed based on heterogeneous platinum-catalyzed hydrogen-deuterium exchange. The reaction entails the transfe A CONVENIENT TRIFLUOROMETHYLATION OF AROMATIC … previous amine-catalyzed 1,2-haloselenenylation of alkynes with phenyl selenocyanate in the presence of cupric halide next >> sequential wittig and claisen rearrangement: a facile synthetic method for (e,e)-4,7-alkadienals and -alkadienoic acids.a new formal synthesis of(±)-cerulenin
PRODUCTION OF CO AND CH4 IN ELECTROCHEMICAL … The total analysis of gaseous and soluble products was carried out in the electrochemical reduction of CO 2 (current density 5 mA cm −2) on various electrode metals.HCOO − was predominantly produced at Cd, In, Sn, and Pb cathodes. Ag and Au principally gave CO. CH 4 BENZOQUINOLIN-10-YL-N IRIDIUM(III) COMPLEXES Benzoquinoline(bhqH) is metallated with iridium(III) to give 2 in which bhq is coordinated at 1-N and 10-C atoms.This complex reacts with a ligand(L) such as tri-n-butylphosphine and diethylsulfide to yield . AN EFFICIENT ONE-POT SYNTHETIC PROCEDURE OF MULTIPLE An Efficient One-Pot Synthetic Procedure of Multiple Porphyrin-Cyclization. Trichloroacetic acid catalyzed condensation of an aldehyde carrying more than two formyl groups and 3,5-di-tert-butylbenzaldehyde with bis (3-ethyl-4-methyl-2-pyrrolyl)-methane in acetonitrile followed by p-chloranil oxidation gave oligomeric porphyrins in good yield H2 OR O2 EVOLUTION FROM AQUEOUS SOLUTIONS ON LAYERED OXIDE Bi 2 W 2 O 9, Bi 2 WO 6, and Bi 3 TiNbO 9 consisting of layered structure with perovskite slabs interleaved with Bi 2 O 2 layers showed photocatalytic activities for H 2 evolution from an aqueous methanol solution and O 2 evolution from an aqueous silver nitrate solution. Bi 2 WO 6 with the Aurivillius structure and a 2.8 eV band gap was active for the O 2 evolution reaction under visible NOVEL GOLD CATALYSTS FOR THE OXIDATION OF CARBON MONOXIDE A variety of gold catalysts can be used to catalyze the oxidation of carbon monoxide at temperatures as low as −70 °C and are stable in a moistened gas atmosphere. The novel catalysts, prepared by SINGLET-TO-TRIPLET ABSORPTION FOR NEAR-INFRARED-TO-VISIBLE 1 Department of Chemistry and Biochemistry, Graduate School of Engineering, Center for Molecular Systems (CMS), Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan 2 NanoMaterials Research Institute, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan 3 JST-PRESTO, Honcho 4-1-8, Kawaguchi, Saitama332-0012, Japan
CHEMISTRY LETTERS: GENERAL INFORMATION Chemistry Letters is a monthly scientific journal for the publication of Highlight Review and Letter focusing on current topics of all aspects of chemistry. The purpose of this journal is to publish the original and meaningful research very rapidly and widely for technically knowledgeable readers who are not necessarily specialistsin this area.
CHEMISTRY LETTERS: SUBMISSION The Chemistry Letters editorial process broadly occurs in three phases; preparing a manuscript for initial submission, revising it in accordance with comments provided by referees in review, and confirming a proof sent from the editorial office after it is finallyaccepted. 1.
LAYER-BY-LAYER NANOARCHITECTONICS: INVENTION, INNOVATION Layer-by-layer Nanoarchitectonics: Invention, Innovation, and Evolution. Materials fabrication with nanoscale structural precision based on bottom-up-type self-assembly has become more important in various current disciplines in chemistry including materials chemistry, organic chemistry, physical chemistry, analytical chemistry, biochemistry DFT SUPPORTED STRUCTURAL REVISION OF SEIRICARDINES Seiridium sp. KT3957 produces a secondary metabolite giving identical 1 H and 13 C NMR spectra to those of seiricardine B (2), a bicyclic sesquiterpene monoalcohol isolated from Seiridium cupressi.An independent spectral analysis suggested that the isolated compound contains one extra H 2 O unit compared with the original molecular formula, which was consequently revised to that of a MONITORING THE RELEASE OF SILVER FROM A SUPRAMOLECULAR Release of silver from the supramolecular fullerene-silver(I) nitrate complex C 60 (AgNO 3) 5 was investigated. Silver(I) nitrate release from the complex on treatment with solvent was monitored using the small molecule organo-supergelator 1-phenyl-3-(quinolin-5-yl)urea, which interacts selectively with AgNO 3 yielding a stable gel whose extent (i.e. volume fraction of solvent gelated) and POTASSIUM-REGULATED IMMOBILIZATION OF CORTISOL APTAMER FOR 1 Research Organization for Nano & Life Innovation, Waseda University, 513 Waseda-tsurumaki-cho, Shinjuku, Tokyo 162-0041, Japan 2 Graduate School of Advanced Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan 3 NEC Solution Innovators, Ltd., 1-18-7 Shinkiba, Koto-ku, Tokyo 136-8627, Japan LAYERED LITHIUM INSERTION MATERIAL OF LICO1/3NI1/3MN1/3O2 Layered LiCo 1/3 Ni 1/3 Mn 1/3 O 2 was prepared by a solid state reaction at 1000 °C in air and examined in nonaqueous lithium cells. LiCo 1/3 Ni 1/3 Mn 1/3 O 2 showed a rechargeable capacity of 150 mAh g −1 in 3.5–4.2 V or 200 mAh g −1 in 3.5–5.0 V. Operating voltage of Li / LiCo 1/3 Ni 1/3 Mn 1/3 O 2 was by 0.2–0.25 V lower than that of a cell with LiCoO 2 or LiMn 2 O 4 and by 0 FLUORIDE-INDUCED 1,2-ELIMINATION OF O Fluoride-induced 1,2-elimination of o-trimethylsilylphenyl triflate provided a convenient route to benzyne under mild conditions where detriflation from an intermediary aryl anion appeared to occur in preference to protonation even in the presence of alcohols. LAYERED LITHIUM INSERTION MATERIAL OF LINI1/2MN1/2O2 : A We have successfully prepared a layered nickel manganese oxide of LiNi 1/2 Mn 1/2 O 2 (a = 2.89 Å and c = 14.30 Å in hexagonal setting) and shown that this material may be a possible alternative to LiCoO 2 for advanced lithium batteries in terms of the operating voltage, rechargeable capacity, cycleability, safety, and materials economy. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN Direct sampling graphite furnace atomic absorption spectrometry – A suitable tool for the determination of metallic contaminants in pitch. Elucidation of the mechanism of quantum dot arrangement based on self-assembly of an azobenzene derivative. Construction of CF3-Containing Quaternary Chiral Centers via Michael AdditionReactions.
CHEMISTRY LETTERS
Current Issue. Fluorescence Quenching by Complex of a DNA Aptamer and Porphyrin for Sensitive Detection of Porphyrins by Capillary Electrophoresis. Water Vapor Reduces the Effect of Cl-Poisoning on CO Oxidation over Pt/CeO2 Heterogeneous Catalysts. Critical Roles of Surface Oxygen Vacancy in Heterogeneous Catalysis over Ceria-basedMaterials: A
SINGLET-TO-TRIPLET ABSORPTION FOR NEAR-INFRARED-TO-VISIBLE 1 Department of Chemistry and Biochemistry, Graduate School of Engineering, Center for Molecular Systems (CMS), Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan 2 NanoMaterials Research Institute, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan 3 JST-PRESTO, Honcho 4-1-8, Kawaguchi, Saitama332-0012, Japan
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN: LIST OF ISSUE List of Issues Advance Publication. Vol.94 (2021) ARYLATION OF OLEFIN WITH ARYL IODIDE CATALYZED BY Chemistry Can Make Strict and Fuzzy Controls for Bio-Systems: DNA Nanoarchitectonics and Cell-Macromolecular Nanoarchitectonics SUPRAMOLECULAR THERMOCELLS BASED ON THERMO-RESPONSIVENESS Supramolecular thermocells use thermo-responsive host–guest interaction to regenerate electrochemical energy from low-grade heat sources. The selective transport of a redox species carried by the host molecule creates a concentration gradient of the redox species and generates the thermoelectric voltage. THE REACTION RATE OF THE ALKALINE HYDROLYSIS OF ETHYL The reaction rate of the alkaline hydrolysis of ethyl acetate was studied by means of a continuous measurement of the electric conductivity change. The second-order rate constant decreased as the r CHEMISTRY LETTERS: LIST OF ISSUE Layered Lithium Insertion Material of LiCo 1/3 Ni 1/3 Mn 1/3 O 2 for Lithium-Ion Batteries. Layer-by-layer Nanoarchitectonics: Invention, Innovation, and Evolution PRODUCTION OF CO AND CH4 IN ELECTROCHEMICAL … The total analysis of gaseous and soluble products was carried out in the electrochemical reduction of CO 2 (current density 5 mA cm −2) on various electrode metals.HCOO − was predominantly produced at Cd, In, Sn, and Pb cathodes. Ag and Au principally gave CO. CH 4 NOVEL GOLD CATALYSTS FOR THE OXIDATION OF CARBON MONOXIDE A variety of gold catalysts can be used to catalyze the oxidation of carbon monoxide at temperatures as low as −70 °C and are stable in a moistened gas atmosphere. The novel catalysts, prepared by BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN Direct sampling graphite furnace atomic absorption spectrometry – A suitable tool for the determination of metallic contaminants in pitch. Elucidation of the mechanism of quantum dot arrangement based on self-assembly of an azobenzene derivative. Construction of CF3-Containing Quaternary Chiral Centers via Michael AdditionReactions.
CHEMISTRY LETTERS
Current Issue. Fluorescence Quenching by Complex of a DNA Aptamer and Porphyrin for Sensitive Detection of Porphyrins by Capillary Electrophoresis. Water Vapor Reduces the Effect of Cl-Poisoning on CO Oxidation over Pt/CeO2 Heterogeneous Catalysts. Critical Roles of Surface Oxygen Vacancy in Heterogeneous Catalysis over Ceria-basedMaterials: A
SINGLET-TO-TRIPLET ABSORPTION FOR NEAR-INFRARED-TO-VISIBLE 1 Department of Chemistry and Biochemistry, Graduate School of Engineering, Center for Molecular Systems (CMS), Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan 2 NanoMaterials Research Institute, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan 3 JST-PRESTO, Honcho 4-1-8, Kawaguchi, Saitama332-0012, Japan
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN: LIST OF ISSUE List of Issues Advance Publication. Vol.94 (2021) ARYLATION OF OLEFIN WITH ARYL IODIDE CATALYZED BY Chemistry Can Make Strict and Fuzzy Controls for Bio-Systems: DNA Nanoarchitectonics and Cell-Macromolecular Nanoarchitectonics SUPRAMOLECULAR THERMOCELLS BASED ON THERMO-RESPONSIVENESS Supramolecular thermocells use thermo-responsive host–guest interaction to regenerate electrochemical energy from low-grade heat sources. The selective transport of a redox species carried by the host molecule creates a concentration gradient of the redox species and generates the thermoelectric voltage. THE REACTION RATE OF THE ALKALINE HYDROLYSIS OF ETHYL The reaction rate of the alkaline hydrolysis of ethyl acetate was studied by means of a continuous measurement of the electric conductivity change. The second-order rate constant decreased as the r CHEMISTRY LETTERS: LIST OF ISSUE Layered Lithium Insertion Material of LiCo 1/3 Ni 1/3 Mn 1/3 O 2 for Lithium-Ion Batteries. Layer-by-layer Nanoarchitectonics: Invention, Innovation, and Evolution PRODUCTION OF CO AND CH4 IN ELECTROCHEMICAL … The total analysis of gaseous and soluble products was carried out in the electrochemical reduction of CO 2 (current density 5 mA cm −2) on various electrode metals.HCOO − was predominantly produced at Cd, In, Sn, and Pb cathodes. Ag and Au principally gave CO. CH 4 NOVEL GOLD CATALYSTS FOR THE OXIDATION OF CARBON MONOXIDE A variety of gold catalysts can be used to catalyze the oxidation of carbon monoxide at temperatures as low as −70 °C and are stable in a moistened gas atmosphere. The novel catalysts, prepared by SUPRAMOLECULAR THERMOCELLS BASED ON THERMO-RESPONSIVENESS Supramolecular thermocells use thermo-responsive host–guest interaction to regenerate electrochemical energy from low-grade heat sources. The selective transport of a redox species carried by the host molecule creates a concentration gradient of the redox species and generates the thermoelectric voltage. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN: LIST OF ISSUE List of Issues Advance Publication. Vol.94 (2021) ALKYL-FULLERENE MATERIALS OF TUNABLE MORPHOLOGY AND The self-assembly of molecules into complex superstructures underpins the functionality of many biological processes and physical materials. Many such structures stem from amphiphilic monomer units, with attractions and repulsions between their ends determining the structure and state of the assembled system under equilibrium, which affect its function. PRODUCTION OF CO AND CH4 IN ELECTROCHEMICAL … The total analysis of gaseous and soluble products was carried out in the electrochemical reduction of CO 2 (current density 5 mA cm −2) on various electrode metals.HCOO − was predominantly produced at Cd, In, Sn, and Pb cathodes. Ag and Au principally gave CO. CH 4 CHEMISTRY LETTERS: LIST OF ISSUE Layered Lithium Insertion Material of LiCo 1/3 Ni 1/3 Mn 1/3 O 2 for Lithium-Ion Batteries. Layer-by-layer Nanoarchitectonics: Invention, Innovation, and Evolution LAYER-BY-LAYER NANOARCHITECTONICS: INVENTION, INNOVATION Layer-by-layer Nanoarchitectonics: Invention, Innovation, and Evolution. Materials fabrication with nanoscale structural precision based on bottom-up-type self-assembly has become more important in various current disciplines in chemistry including materials chemistry, organic chemistry, physical chemistry, analytical chemistry, biochemistry SYNTHESIS OF MIXED TRIALKYL PHOSPHATES: OXIDATIVE Mixed trialkyl phosphates were synthesized by oxidative phosphorylation of alcohols with dialkyl phosphonates and oxygen in the presence of copper(II) chloride in fairly good yields. PREPARATION OF AN ORDERED NANOPOROUS SILICONE-BASED An ordered nanoporous silicone-based material with an inverse opal structure consisting of interconnected spherical pores was prepared by the thiol-ene reaction of linear and cyclic organosiloxanes within the interstitial voids of silica colloidal crystals, followed by removal of the silica template under basic conditions. MONITORING THE RELEASE OF SILVER FROM A SUPRAMOLECULAR Release of silver from the supramolecular fullerene-silver(I) nitrate complex C 60 (AgNO 3) 5 was investigated. Silver(I) nitrate release from the complex on treatment with solvent was monitored using the small molecule organo-supergelator 1-phenyl-3-(quinolin-5-yl)urea, which interacts selectively with AgNO 3 yielding a stable gel whose extent (i.e. volume fraction of solvent gelated) and LUMINESCENCE PHOTOSWITCHING OF COLLOIDAL CSPBBR3 Perovskite lead halide quantum dots (pQDs) are a class of interesting nano-emitters that have gathered great attention because of their superior optoelectronic properties. Here we report on the pre BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN Direct sampling graphite furnace atomic absorption spectrometry – A suitable tool for the determination of metallic contaminants in pitch. Elucidation of the mechanism of quantum dot arrangement based on self-assembly of an azobenzene derivative. Construction of CF3-Containing Quaternary Chiral Centers via Michael AdditionReactions.
CHEMISTRY LETTERS
Current Issue. Fluorescence Quenching by Complex of a DNA Aptamer and Porphyrin for Sensitive Detection of Porphyrins by Capillary Electrophoresis. Water Vapor Reduces the Effect of Cl-Poisoning on CO Oxidation over Pt/CeO2 Heterogeneous Catalysts. Critical Roles of Surface Oxygen Vacancy in Heterogeneous Catalysis over Ceria-basedMaterials: A
SUPRAMOLECULAR THERMOCELLS BASED ON THERMO-RESPONSIVENESS Supramolecular thermocells use thermo-responsive host–guest interaction to regenerate electrochemical energy from low-grade heat sources. The selective transport of a redox species carried by the host molecule creates a concentration gradient of the redox species and generates the thermoelectric voltage. PRODUCTION OF CO AND CH4 IN ELECTROCHEMICAL … The total analysis of gaseous and soluble products was carried out in the electrochemical reduction of CO 2 (current density 5 mA cm −2) on various electrode metals.HCOO − was predominantly produced at Cd, In, Sn, and Pb cathodes. Ag and Au principally gave CO. CH 4 A CONVENIENT TRIFLUOROMETHYLATION OF AROMATIC … previous amine-catalyzed 1,2-haloselenenylation of alkynes with phenyl selenocyanate in the presence of cupric halide next >> sequential wittig and claisen rearrangement: a facile synthetic method for (e,e)-4,7-alkadienals and -alkadienoic acids.a new formal synthesis of(±)-cerulenin
THE REACTION RATE OF THE ALKALINE HYDROLYSIS OF ETHYL The reaction rate of the alkaline hydrolysis of ethyl acetate was studied by means of a continuous measurement of the electric conductivity change. The second-order rate constant decreased as the r SEPARATION OF AMERICIUM(III) FROM LANTHANIDE BY Am(III) is encapsulated in an aqueous phase by a podand-type ligand, N,N,N′,N′-tetrakis(2-methylpyridyl)ethylenediamine (TPEN), and is extracted selectively over trivalent lanthanide in an organic phase using nitrobenzene.The extraction of Am(III) using TPEN shows higher selectivity and chemical stability than other conventional ones using nitrogen-donor ligands. ARYLATION OF OLEFIN WITH ARYL IODIDE CATALYZED BY Chemistry Can Make Strict and Fuzzy Controls for Bio-Systems: DNA Nanoarchitectonics and Cell-Macromolecular Nanoarchitectonics AN EFFICIENT ONE-POT SYNTHETIC PROCEDURE OF MULTIPLE An Efficient One-Pot Synthetic Procedure of Multiple Porphyrin-Cyclization. Trichloroacetic acid catalyzed condensation of an aldehyde carrying more than two formyl groups and 3,5-di-tert-butylbenzaldehyde with bis (3-ethyl-4-methyl-2-pyrrolyl)-methane in acetonitrile followed by p-chloranil oxidation gave oligomeric porphyrins in good yield NOVEL GOLD CATALYSTS FOR THE OXIDATION OF CARBON MONOXIDE A variety of gold catalysts can be used to catalyze the oxidation of carbon monoxide at temperatures as low as −70 °C and are stable in a moistened gas atmosphere. The novel catalysts, prepared by BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN Direct sampling graphite furnace atomic absorption spectrometry – A suitable tool for the determination of metallic contaminants in pitch. Elucidation of the mechanism of quantum dot arrangement based on self-assembly of an azobenzene derivative. Construction of CF3-Containing Quaternary Chiral Centers via Michael AdditionReactions.
CHEMISTRY LETTERS
Current Issue. Fluorescence Quenching by Complex of a DNA Aptamer and Porphyrin for Sensitive Detection of Porphyrins by Capillary Electrophoresis. Water Vapor Reduces the Effect of Cl-Poisoning on CO Oxidation over Pt/CeO2 Heterogeneous Catalysts. Critical Roles of Surface Oxygen Vacancy in Heterogeneous Catalysis over Ceria-basedMaterials: A
SUPRAMOLECULAR THERMOCELLS BASED ON THERMO-RESPONSIVENESS Supramolecular thermocells use thermo-responsive host–guest interaction to regenerate electrochemical energy from low-grade heat sources. The selective transport of a redox species carried by the host molecule creates a concentration gradient of the redox species and generates the thermoelectric voltage. PRODUCTION OF CO AND CH4 IN ELECTROCHEMICAL … The total analysis of gaseous and soluble products was carried out in the electrochemical reduction of CO 2 (current density 5 mA cm −2) on various electrode metals.HCOO − was predominantly produced at Cd, In, Sn, and Pb cathodes. Ag and Au principally gave CO. CH 4 A CONVENIENT TRIFLUOROMETHYLATION OF AROMATIC … previous amine-catalyzed 1,2-haloselenenylation of alkynes with phenyl selenocyanate in the presence of cupric halide next >> sequential wittig and claisen rearrangement: a facile synthetic method for (e,e)-4,7-alkadienals and -alkadienoic acids.a new formal synthesis of(±)-cerulenin
THE REACTION RATE OF THE ALKALINE HYDROLYSIS OF ETHYL The reaction rate of the alkaline hydrolysis of ethyl acetate was studied by means of a continuous measurement of the electric conductivity change. The second-order rate constant decreased as the r SEPARATION OF AMERICIUM(III) FROM LANTHANIDE BY Am(III) is encapsulated in an aqueous phase by a podand-type ligand, N,N,N′,N′-tetrakis(2-methylpyridyl)ethylenediamine (TPEN), and is extracted selectively over trivalent lanthanide in an organic phase using nitrobenzene.The extraction of Am(III) using TPEN shows higher selectivity and chemical stability than other conventional ones using nitrogen-donor ligands. ARYLATION OF OLEFIN WITH ARYL IODIDE CATALYZED BY Chemistry Can Make Strict and Fuzzy Controls for Bio-Systems: DNA Nanoarchitectonics and Cell-Macromolecular Nanoarchitectonics AN EFFICIENT ONE-POT SYNTHETIC PROCEDURE OF MULTIPLE An Efficient One-Pot Synthetic Procedure of Multiple Porphyrin-Cyclization. Trichloroacetic acid catalyzed condensation of an aldehyde carrying more than two formyl groups and 3,5-di-tert-butylbenzaldehyde with bis (3-ethyl-4-methyl-2-pyrrolyl)-methane in acetonitrile followed by p-chloranil oxidation gave oligomeric porphyrins in good yield NOVEL GOLD CATALYSTS FOR THE OXIDATION OF CARBON MONOXIDE A variety of gold catalysts can be used to catalyze the oxidation of carbon monoxide at temperatures as low as −70 °C and are stable in a moistened gas atmosphere. The novel catalysts, prepared by BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN Direct sampling graphite furnace atomic absorption spectrometry – A suitable tool for the determination of metallic contaminants in pitch. Elucidation of the mechanism of quantum dot arrangement based on self-assembly of an azobenzene derivative. Construction of CF3-Containing Quaternary Chiral Centers via Michael AdditionReactions.
A CUBOIDAL CU4S4 CLUSTER SUPPORTED BY BULKY IMINOTHIOLATE A new tetracopper(I) complex containing a cuboidal Cu 4 S 4 core, , where dap − is dibenzodiazepinethiolate(1–), has been synthesized and structurally characterized by single-crystal X-ray diffraction analysis. The monoanionic iminothiolate ligand dap − renders the cluster framework exceptionally stable to retain the tetranuclear structure in solution, which allows us to SINGLET-TO-TRIPLET ABSORPTION FOR NEAR-INFRARED-TO-VISIBLE 1 Department of Chemistry and Biochemistry, Graduate School of Engineering, Center for Molecular Systems (CMS), Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan 2 NanoMaterials Research Institute, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan 3 JST-PRESTO, Honcho 4-1-8, Kawaguchi, Saitama332-0012, Japan
CHEMISTRY LETTERS: GENERAL INFORMATION Chemistry Letters is a monthly scientific journal for the publication of Highlight Review and Letter focusing on current topics of all aspects of chemistry. The purpose of this journal is to publish the original and meaningful research very rapidly and widely for technically knowledgeable readers who are not necessarily specialistsin this area.
MECHANISM OF 2,6-DICHLORO-4,4’-BIPYRIDINE-CATALYZED 1 Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan 2 Department of Chemistry, Faculty of Science, Hokkaido University, N10-W8, Kita-ku, Sapporo 060-0810, Japan 3 Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan NITROGEN-SUBSTITUTION IN THE FLAPPING WINGS OF New synthetic protocols to the nitrogen-embedded flapping molecules have been developed. Gram-scale synthesis of a key precursor, tetraamine of dibenzocyclooctatetraene has been established for designing flapping quinoxaline and flapping phenazineimide.The impact of the nitrogen substitution on the photophysical properties and the viscosity-probing function has been investigated in CHEMISTRY LETTERS: SUBMISSION The Chemistry Letters editorial process broadly occurs in three phases; preparing a manuscript for initial submission, revising it in accordance with comments provided by referees in review, and confirming a proof sent from the editorial office after it is finallyaccepted. 1.
ARYLATION OF OLEFIN WITH ARYL IODIDE CATALYZED BY Chemistry Can Make Strict and Fuzzy Controls for Bio-Systems: DNA Nanoarchitectonics and Cell-Macromolecular Nanoarchitectonics PREPARATION OF AN ORDERED NANOPOROUS SILICONE-BASED An ordered nanoporous silicone-based material with an inverse opal structure consisting of interconnected spherical pores was prepared by the thiol-ene reaction of linear and cyclic organosiloxanes within the interstitial voids of silica colloidal crystals, followed by removal of the silica template under basic conditions. POTASSIUM-REGULATED IMMOBILIZATION OF CORTISOL APTAMER FOR 1 Research Organization for Nano & Life Innovation, Waseda University, 513 Waseda-tsurumaki-cho, Shinjuku, Tokyo 162-0041, Japan 2 Graduate School of Advanced Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan 3 NEC Solution Innovators, Ltd., 1-18-7 Shinkiba, Koto-ku, Tokyo 136-8627, Japan BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN Direct sampling graphite furnace atomic absorption spectrometry – A suitable tool for the determination of metallic contaminants in pitch. Elucidation of the mechanism of quantum dot arrangement based on self-assembly of an azobenzene derivative. Construction of CF3-Containing Quaternary Chiral Centers via Michael AdditionReactions.
CHEMISTRY LETTERS
Current Issue. Fluorescence Quenching by Complex of a DNA Aptamer and Porphyrin for Sensitive Detection of Porphyrins by Capillary Electrophoresis. Water Vapor Reduces the Effect of Cl-Poisoning on CO Oxidation over Pt/CeO2 Heterogeneous Catalysts. Critical Roles of Surface Oxygen Vacancy in Heterogeneous Catalysis over Ceria-basedMaterials: A
SUPRAMOLECULAR THERMOCELLS BASED ON THERMO-RESPONSIVENESS Supramolecular thermocells use thermo-responsive host–guest interaction to regenerate electrochemical energy from low-grade heat sources. The selective transport of a redox species carried by the host molecule creates a concentration gradient of the redox species and generates the thermoelectric voltage. PRODUCTION OF CO AND CH4 IN ELECTROCHEMICAL … The total analysis of gaseous and soluble products was carried out in the electrochemical reduction of CO 2 (current density 5 mA cm −2) on various electrode metals.HCOO − was predominantly produced at Cd, In, Sn, and Pb cathodes. Ag and Au principally gave CO. CH 4 A CONVENIENT TRIFLUOROMETHYLATION OF AROMATIC … previous amine-catalyzed 1,2-haloselenenylation of alkynes with phenyl selenocyanate in the presence of cupric halide next >> sequential wittig and claisen rearrangement: a facile synthetic method for (e,e)-4,7-alkadienals and -alkadienoic acids.a new formal synthesis of(±)-cerulenin
THE REACTION RATE OF THE ALKALINE HYDROLYSIS OF ETHYL The reaction rate of the alkaline hydrolysis of ethyl acetate was studied by means of a continuous measurement of the electric conductivity change. The second-order rate constant decreased as the r SEPARATION OF AMERICIUM(III) FROM LANTHANIDE BY Am(III) is encapsulated in an aqueous phase by a podand-type ligand, N,N,N′,N′-tetrakis(2-methylpyridyl)ethylenediamine (TPEN), and is extracted selectively over trivalent lanthanide in an organic phase using nitrobenzene.The extraction of Am(III) using TPEN shows higher selectivity and chemical stability than other conventional ones using nitrogen-donor ligands. ARYLATION OF OLEFIN WITH ARYL IODIDE CATALYZED BY Chemistry Can Make Strict and Fuzzy Controls for Bio-Systems: DNA Nanoarchitectonics and Cell-Macromolecular Nanoarchitectonics AN EFFICIENT ONE-POT SYNTHETIC PROCEDURE OF MULTIPLE An Efficient One-Pot Synthetic Procedure of Multiple Porphyrin-Cyclization. Trichloroacetic acid catalyzed condensation of an aldehyde carrying more than two formyl groups and 3,5-di-tert-butylbenzaldehyde with bis (3-ethyl-4-methyl-2-pyrrolyl)-methane in acetonitrile followed by p-chloranil oxidation gave oligomeric porphyrins in good yield NOVEL GOLD CATALYSTS FOR THE OXIDATION OF CARBON MONOXIDE A variety of gold catalysts can be used to catalyze the oxidation of carbon monoxide at temperatures as low as −70 °C and are stable in a moistened gas atmosphere. The novel catalysts, prepared by BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN Direct sampling graphite furnace atomic absorption spectrometry – A suitable tool for the determination of metallic contaminants in pitch. Elucidation of the mechanism of quantum dot arrangement based on self-assembly of an azobenzene derivative. Construction of CF3-Containing Quaternary Chiral Centers via Michael AdditionReactions.
CHEMISTRY LETTERS
Current Issue. Fluorescence Quenching by Complex of a DNA Aptamer and Porphyrin for Sensitive Detection of Porphyrins by Capillary Electrophoresis. Water Vapor Reduces the Effect of Cl-Poisoning on CO Oxidation over Pt/CeO2 Heterogeneous Catalysts. Critical Roles of Surface Oxygen Vacancy in Heterogeneous Catalysis over Ceria-basedMaterials: A
SUPRAMOLECULAR THERMOCELLS BASED ON THERMO-RESPONSIVENESS Supramolecular thermocells use thermo-responsive host–guest interaction to regenerate electrochemical energy from low-grade heat sources. The selective transport of a redox species carried by the host molecule creates a concentration gradient of the redox species and generates the thermoelectric voltage. PRODUCTION OF CO AND CH4 IN ELECTROCHEMICAL … The total analysis of gaseous and soluble products was carried out in the electrochemical reduction of CO 2 (current density 5 mA cm −2) on various electrode metals.HCOO − was predominantly produced at Cd, In, Sn, and Pb cathodes. Ag and Au principally gave CO. CH 4 A CONVENIENT TRIFLUOROMETHYLATION OF AROMATIC … previous amine-catalyzed 1,2-haloselenenylation of alkynes with phenyl selenocyanate in the presence of cupric halide next >> sequential wittig and claisen rearrangement: a facile synthetic method for (e,e)-4,7-alkadienals and -alkadienoic acids.a new formal synthesis of(±)-cerulenin
THE REACTION RATE OF THE ALKALINE HYDROLYSIS OF ETHYL The reaction rate of the alkaline hydrolysis of ethyl acetate was studied by means of a continuous measurement of the electric conductivity change. The second-order rate constant decreased as the r SEPARATION OF AMERICIUM(III) FROM LANTHANIDE BY Am(III) is encapsulated in an aqueous phase by a podand-type ligand, N,N,N′,N′-tetrakis(2-methylpyridyl)ethylenediamine (TPEN), and is extracted selectively over trivalent lanthanide in an organic phase using nitrobenzene.The extraction of Am(III) using TPEN shows higher selectivity and chemical stability than other conventional ones using nitrogen-donor ligands. ARYLATION OF OLEFIN WITH ARYL IODIDE CATALYZED BY Chemistry Can Make Strict and Fuzzy Controls for Bio-Systems: DNA Nanoarchitectonics and Cell-Macromolecular Nanoarchitectonics AN EFFICIENT ONE-POT SYNTHETIC PROCEDURE OF MULTIPLE An Efficient One-Pot Synthetic Procedure of Multiple Porphyrin-Cyclization. Trichloroacetic acid catalyzed condensation of an aldehyde carrying more than two formyl groups and 3,5-di-tert-butylbenzaldehyde with bis (3-ethyl-4-methyl-2-pyrrolyl)-methane in acetonitrile followed by p-chloranil oxidation gave oligomeric porphyrins in good yield NOVEL GOLD CATALYSTS FOR THE OXIDATION OF CARBON MONOXIDE A variety of gold catalysts can be used to catalyze the oxidation of carbon monoxide at temperatures as low as −70 °C and are stable in a moistened gas atmosphere. The novel catalysts, prepared by BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN Direct sampling graphite furnace atomic absorption spectrometry – A suitable tool for the determination of metallic contaminants in pitch. Elucidation of the mechanism of quantum dot arrangement based on self-assembly of an azobenzene derivative. Construction of CF3-Containing Quaternary Chiral Centers via Michael AdditionReactions.
A CUBOIDAL CU4S4 CLUSTER SUPPORTED BY BULKY IMINOTHIOLATE A new tetracopper(I) complex containing a cuboidal Cu 4 S 4 core, , where dap − is dibenzodiazepinethiolate(1–), has been synthesized and structurally characterized by single-crystal X-ray diffraction analysis. The monoanionic iminothiolate ligand dap − renders the cluster framework exceptionally stable to retain the tetranuclear structure in solution, which allows us to SINGLET-TO-TRIPLET ABSORPTION FOR NEAR-INFRARED-TO-VISIBLE 1 Department of Chemistry and Biochemistry, Graduate School of Engineering, Center for Molecular Systems (CMS), Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan 2 NanoMaterials Research Institute, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan 3 JST-PRESTO, Honcho 4-1-8, Kawaguchi, Saitama332-0012, Japan
CHEMISTRY LETTERS: GENERAL INFORMATION Chemistry Letters is a monthly scientific journal for the publication of Highlight Review and Letter focusing on current topics of all aspects of chemistry. The purpose of this journal is to publish the original and meaningful research very rapidly and widely for technically knowledgeable readers who are not necessarily specialistsin this area.
MECHANISM OF 2,6-DICHLORO-4,4’-BIPYRIDINE-CATALYZED 1 Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan 2 Department of Chemistry, Faculty of Science, Hokkaido University, N10-W8, Kita-ku, Sapporo 060-0810, Japan 3 Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan NITROGEN-SUBSTITUTION IN THE FLAPPING WINGS OF New synthetic protocols to the nitrogen-embedded flapping molecules have been developed. Gram-scale synthesis of a key precursor, tetraamine of dibenzocyclooctatetraene has been established for designing flapping quinoxaline and flapping phenazineimide.The impact of the nitrogen substitution on the photophysical properties and the viscosity-probing function has been investigated in CHEMISTRY LETTERS: SUBMISSION The Chemistry Letters editorial process broadly occurs in three phases; preparing a manuscript for initial submission, revising it in accordance with comments provided by referees in review, and confirming a proof sent from the editorial office after it is finallyaccepted. 1.
ARYLATION OF OLEFIN WITH ARYL IODIDE CATALYZED BY Chemistry Can Make Strict and Fuzzy Controls for Bio-Systems: DNA Nanoarchitectonics and Cell-Macromolecular Nanoarchitectonics REPRODUCIBLE FABRICATION OF EFFICIENT PEROVSKITE-BASED Lead halide complexes formed during the fabrication of perovskite (CH 3 NH 3 PbI 3)-based solar cells were examined by single-crystal X-ray diffraction analysis.Based on the observed results, the fabrication protocol using a sequential deposition method was optimized to reproducibly provide highly efficient solar cells with power conversion efficiencies of more than 10%. POTASSIUM-REGULATED IMMOBILIZATION OF CORTISOL APTAMER FOR 1 Research Organization for Nano & Life Innovation, Waseda University, 513 Waseda-tsurumaki-cho, Shinjuku, Tokyo 162-0041, Japan 2 Graduate School of Advanced Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan 3 NEC Solution Innovators, Ltd., 1-18-7 Shinkiba, Koto-ku, Tokyo 136-8627, Japan 日本化学会ホー 日本化学会について 日本化学会について 会長挨拶 論説巻頭言
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