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Azo‐coupling Decarboxylation Reaction of α ‐Carboxy Ketene Dithioacetals in Water–a New Route to 1,2‐Diaza‐1,3‐butadienes
Author(s) -
Xu XianXiu,
Wang Mang,
Liu Qun,
Pan Ling,
Zhao YuLong
Publication year - 2006
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.200690268
Subject(s) - chemistry , ketene , decarboxylation , coupling (piping) , coupling reaction , aqueous solution , aqueous medium , organic chemistry , medicinal chemistry , catalysis , mechanical engineering , engineering
Under basic conditions, a series of 4,4‐dialkylthio‐1,2‐diaza‐1,3‐butadienes were synthesized in good to excellent yields via a novel azo‐coupling decarboxylation reaction by reacting α ‐carboxyl ketene dithioacetals with aryldiazonium salts in aqueous medium.