O-PHENYLENEDIAMINES

作品数：6被引量：7H指数：2
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Protecting-group-free enantioselective tandem allylic substitution of o-phenylenediamines and o-aminophenols
《Green Synthesis and Catalysis》2022年第2期185-189,共5页Xuehua Kang Chao Qian He Yang Jicheng Shi Jerome Claverie Wenjun Tang 
Financial support is provided by the National Natural Science Foundation of China(Nos.82188101,21725205,21432007,21572246,21702223);the Key-Area Research and Development Program of Guangdong Province(No.2020B010188003).
A protecting-group-free enantioselective tandem allylic substitution of o-phenylenediamines and o-aminophenols is realized for the first time with a Pd-WingPhos catalyst,providing expedient access to a series of chira...
关键词：Tandem allylic substitution WingPhos Protecting-group-free Palladium catalysis ENANTIOSELECTIVITY 
In（OTf）3-Catalyzed Synthesis of Functionalized 1,5-Benzodiazepines from o-Phenylenediamine and Alkyl Propiolates under Solvent-Free Reaction Conditions
《Chinese Journal of Chemistry》2011年第8期1721-1726,共6页吴海生 杨进 王磊 
Project supported bythe National Natural Science Foundation of China（Nol 20972057）.
A simple, environmental-friendly, and practical method for the synthesis of benzodiazepine derivatives through a reaction of substituted o-phenylenediamines with alkyl propiolates has been developed. The reactions gen...
关键词：benzodiazepines O-PHENYLENEDIAMINES alkyl propiolates In（OTf）3 SOLVENT-FREE 
Citric acid:An efficient and green catalyst for rapid one pot synthesis of quinoxaline derivatives at room temperature被引量：3
《Chinese Chemical Letters》2011年第4期389-392,共4页Radhakrishnan Mahesh Arghya Kusum Dhar Tara Sasank T.V.N.V. Sappanimuthu Thirunavukkarasu Thangaraj Devadoss 
supported by the University Grants Commission(UGC),New Delhi,India.
The condensation of o-phenylenediamines with 1,2-dicarbonyl compounds in the presence of citric acid afforded the corresponding quinoxaline derivatives in higher yields at room temperature in ethanol,and most of the r...
关键词：Quinoxalins Citric acid O-PHENYLENEDIAMINES 1 2-Dicarbonyl compounds Green catalyst 
An efficient synthesis of 1,5-benzodiazepine derivatives catalyzed by boric acid被引量：2
《Chinese Chemical Letters》2009年第8期905-908,共4页Xin Zhou Mei Yue Zhang Shu Tao Gao Jing Jun Ma Chun Wang Chao Liu 
1,5-Benzodiazepine derivatives have been synthesized by the condensation of o-phenylenediamines and ketones in the presence of boric acid as catalyst under mild conditions. This method is simple, environmentally benig...
关键词：1 5-Benzodiazepincs O-PHENYLENEDIAMINES Boric acid Synthesis 
Novel,efficient,and green procedure for the synthesis of 1,5-benzodiazepines catalyzed by MgBr_2 in aqueous media被引量：1
《Chinese Chemical Letters》2009年第1期32-36,共5页Shivaji S.Pawar Murlidhar S.Shingare Shivaji N.Thore 
MgBr2 performs as a novel catalyst for the synthesis of various 1,5-benzodiazepine derivatives from wide range of substituted o- phenylenediamines and various ketones in good to excellent isolated yields （93-98%） us...
关键词：MgBr2 O-PHENYLENEDIAMINES KETONES Aqueous media 1 5-Benzodiazepine 
Glyoxylic acid as catalyst:A simple selective synthesis of 1,2-disubstituted benzimidazoles in aqueous media被引量：2
《Chinese Chemical Letters》2008年第9期1055-1058,共4页Shivaji S.Pawar Deepak V.Dekhane Murlidhar S.Shingare Shivaji N.Thore 
Head,Department of Chemistry,Vinayakrao Patil Mahavidyala Vaijapur 423701(M.S.),India,for partial support of this work.
Glyoxylic acid （5 mol%） performs as a novel highly water-soluble catalyst for the synthesis of 2-aryl-l-arylmethyl-lH- benzimidazoles from a wide range of substituted o-phenylenediamines and various substituted alde...
关键词：Glyoxylic acid BENZIMIDAZOLES Aqueous media 2-Aryl-l-arylmethyl-lH-benzimidazoles o-Phenylenediamines and aldehydes 
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