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Novel heterocyclization of 4‐phenylthiosemicarbazones and related compounds with chlorocarbonylsulfenyl chloride
Author(s) -
Kabashima Shigeru,
Okawara Tadashi,
Yamasaki Tetsuo,
Furukawa Mitsuru
Publication year - 1991
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570280827
Subject(s) - chemistry , triethylamine , chloride , medicinal chemistry , organic chemistry
Chlorocarbonylsulfenyl chloride was allowed to react with 1‐alkylidene‐4‐phenylthiosemicarbazones in the presence of triethylamine to give 1,2,4‐triazolines, whereas with 1‐arylidene‐4‐phenylthiosemicarbazones to afford 1,2,4‐dithiazolidines. Treatment of diarylidenethiocarbohydrazides and diarylidenaminoguanidines with chlorocarbonylsulfenyl chloride under similar conditions gave 1,2,4‐dithiazolidines and 1,2,4‐thiadiazolidines, respectively.