Polyfused nitrogen-containing heterocycles 23. Methyl 4-hydroxy-3-phenyl-5-phenyl(alkyl)-2-phenyliminoselenazolidine-4-carboxylates and selenazolo[3,4- a ]quinoxalin-4(5 H )-one derivatives on their basis

V. A. Mamedov,N. A. Zhukova,A. T. Gubaidullin,T. N. Beschastnova,I. Kh. Rizvanov,Ya. A. Levin,I. A. Litvinov

Russian Chemical Bulletin（2010）

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摘要

Condensation of methyl phenyl(alkyl)halopyrotartrates with N , N ′-diphenylselenourea leads to the formation of methyl 4-hydroxy-3-phenyl-5-phenyl(alkyl)-2-phenyliminoselenazolidine-4-carboxylates, which undergo reaction with 1,2-phenylenediamines to give selenazolo-[3,4- a ]quinoxalin-4(5 H )-ones.

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关键词

N,N′-diphenylselenourea,phenyl- and alkylhalopyruvates,methyl 4-hydroxy-3-phenyl-5-phenyl(alkyl)-2-phenyliminoselenazolidine-4-carboxylates,selenazolo[3,4-a]qui-noxalin-4(5H)-ones,IR spectroscopy,NMR spectroscopy,X-ray diffraction

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