Synthesis of methyl 4-aryl-4-oxo-2-[(4-sulfamoylphenyl)amino]but-2-enoates and their reaction with ninhydrin


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The reaction of methyl 4-aryl-2,4-dioxobut-2-enoates with 4-aminobenzenesulfonamide in acetic acid–ethanol (1: 1) afforded methyl (2Z)-4-aryl-4-oxo-2-(4-sulfamoylanilino)but-2-enoates which reacted with ninhydrin in glacial acetic acid to give 3-aroyl-4-(4-sulfamoylanilino]-5H-spiro[furan-2,2′-indene]-1′,3′,5-triones.

作者简介

V. Gein

Perm State Pharmaceutical Academy

编辑信件的主要联系方式.
Email: geinvl48@mail.ru
俄罗斯联邦, ul. Polevaya 2, Perm, 614990

O. Bobrovskaya

Perm State Pharmaceutical Academy

Email: geinvl48@mail.ru
俄罗斯联邦, ul. Polevaya 2, Perm, 614990

M. Dmitriev

Perm State Natsional Research University

Email: geinvl48@mail.ru
俄罗斯联邦, ul. Bukireva 15, Perm, 614990

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