Results 241 to 250 of about 17,490 (306)
ChemInform Abstract: Direct Arylation of Oxazoles at C2. A Concise Approach to Consecutively Linked Oxazoles. [PDF]
ChemInform, 2008 AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Flegeau, Emmanuel Ferrer +2 more
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Organic Letters, 2019
A practical and flexible intermolecular protocol for the diverse synthesis of trisubstituted oxazole derivatives via a Pd-catalyzed direct C-H addition of electronic-rich heteroarenes to O-acyl cyanohydrins bearing an α-hydrogen/cyclization sequence is ...
Di Zhang +3 more
semanticscholar +1 more source
A practical and flexible intermolecular protocol for the diverse synthesis of trisubstituted oxazole derivatives via a Pd-catalyzed direct C-H addition of electronic-rich heteroarenes to O-acyl cyanohydrins bearing an α-hydrogen/cyclization sequence is ...
Di Zhang +3 more
semanticscholar +1 more source
Organic Letters, 2019
A copper-catalyzed oxidative cyclization of oxime, arylthiol, and trifluoroacetic anhydride for the construction of trisubstituted oxazoles has been developed.
Fuhong Xiao +4 more
semanticscholar +1 more source
A copper-catalyzed oxidative cyclization of oxime, arylthiol, and trifluoroacetic anhydride for the construction of trisubstituted oxazoles has been developed.
Fuhong Xiao +4 more
semanticscholar +1 more source
ACS Catalysis, 2018
Unprecedented selenium-catalyzed propargylic oxidation of alkynes is disclosed. Various propargylphosphonates and 3-alkynoates were efficiently converted to valuable ynones via unusual C–C triple bond migration and deselenenylation at a vinyl carbon.
Lihao Liao, Hang Zhang, Xiaodan Zhao
semanticscholar +1 more source
Unprecedented selenium-catalyzed propargylic oxidation of alkynes is disclosed. Various propargylphosphonates and 3-alkynoates were efficiently converted to valuable ynones via unusual C–C triple bond migration and deselenenylation at a vinyl carbon.
Lihao Liao, Hang Zhang, Xiaodan Zhao
semanticscholar +1 more source
Synthesis of functionalised oxazoles and bis-oxazoles 1
Journal of the Chemical Society, Perkin Transactions 1, 1998A new method for the synthesis of oxazoles, and in particular chiral non-racemic oxazoles derived from amino acids, has been developed. Thus, rhodium(II) catalysed reaction of diazocarbonyl compounds 6 and 11 in the presence of amides 8 and 10 results in regioselective insertion of the carbenoid into the amide N–H bond with formation of the β-carbonyl ...
Christopher J. Moody +3 more
openaire +2 more sources
Journal of Organic Chemistry, 2019
This manuscript details the development of the nickel-catalyzed arylation of oxazoles and benzoxazoles with aryl halides. A series of aryl, heteroaryl, and druglike electrophiles relevant to pharmaceutical applications were surveyed. The desired arylated
H. Larson +2 more
semanticscholar +1 more source
This manuscript details the development of the nickel-catalyzed arylation of oxazoles and benzoxazoles with aryl halides. A series of aryl, heteroaryl, and druglike electrophiles relevant to pharmaceutical applications were surveyed. The desired arylated
H. Larson +2 more
semanticscholar +1 more source
Photochemical and Electrochemical Synthesis of Oxazoles and Isoxazoles: An Update
Advanced Synthesis & CatalysisThis review presents an outline of current advancements in the photochemical and electrochemical synthesis of oxazoles and isoxazoles. Oxazole and isoxazole are important building blocks for a variety of medicinally useful compounds.
Debashis Ghosh +4 more
semanticscholar +1 more source
ChemCatChem, 2019
A silver‐induced cycloaddition of isocyanides with acyl chlorides has been developed. This transition metal‐catalyzed strategy provides an effective and scalable approach for the formation of 2,5‐disubstituted oxazoles in good to high yields.
Jianquan Liu +5 more
semanticscholar +1 more source
A silver‐induced cycloaddition of isocyanides with acyl chlorides has been developed. This transition metal‐catalyzed strategy provides an effective and scalable approach for the formation of 2,5‐disubstituted oxazoles in good to high yields.
Jianquan Liu +5 more
semanticscholar +1 more source
Oxazole Diels—Alder Reactions [PDF]
ChemInform, 2003 AbstractFor Abstract see ChemInform Abstract in Full Text.
Jeremy I. Levin, Leif M. Laakso
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ChemInform, 1994
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Christopher J. Moody, Kevin J. Doyle
openaire +3 more sources
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Christopher J. Moody, Kevin J. Doyle
openaire +3 more sources