Ce immobilized 1 H -pyrazole-3,5-dicarboxylic acid (PDA) modified CoFe 2 O 4 : A potential magnetic nanocomposite catalyst towards the synthesis of diverse benzo[ a ]pyrano[2,3- c ]phenazine derivativesMansoureh Daraie aTaiebeh Tamoradi b...
产品编号:WKQ-0037583CAS No.:512809-16-4纯度:分子式:C8H10N2O4 暂无牌价信息,您可以发送询价,我们会尽快给你回复。 基本信息 英文名称5-(ethoxycarbonyl)-1-methyl-1H-pyrazole-3-carboxylic Acid/1H-Pyrazole-3,5-dicarboxylic acid,1-methyl-,5-ethyl ester ...
(S)-2-(4-tert-butyl-4,5-dihydrooxazol-2-yl)propan-2-ol(4S)-4-叔丁基-4,5-二氢-ALPHA,ALPHA-二甲基-2-恶唑甲醇204333-19-7C10H19NO2 4-chloro-3-Methylpicolinic acid4-氯-3-甲基-2-吡啶甲酸30235-20-2C7H6ClNO2 Ethyl pyrazole-4-carboxylate4-吡唑甲酸乙酯37622-90-5C6H8N2O2 ...
A general procedure is described for the regiospecific preparation of 1-substituted-5-hydroxy-1 H-pyrazoles containing differentiated ester moieties at the 3- and 4-positions. This process involves the coupling of monosubstituted benzyl carbazates with various malonyl chlorides or acids, deprotection ...