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Reactivity of the A‐CH=N=NR‐CX‐B System. 1,3,4‐thiadiazoles and Δ 2 ‐thiadiazolines
Author(s) -
Werber Giuseppe,
Buccheri Francesco,
Gentile Manlio,
Librici Luigi
Publication year - 1977
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.5570140525
Subject(s) - thiadiazoles , chemistry , reactivity (psychology) , ferric , nucleophile , medicinal chemistry , chloride , stereochemistry , organic chemistry , catalysis , medicine , alternative medicine , pathology
The reactivity of the‐ system towards ferric chloride has been investigated. The cyclo‐oxidation reaction led to the formation of 2‐amino‐5‐thenoyl‐1,3,4‐thiadiazoles and 4‐methyl‐5‐imino‐2‐thenoyl‐Δ 2 ‐1,3,4‐thiadiazolines. Their structures were proven spectro‐scopically and chemically (nucleophilic attack and formation of the related 2‐amino‐1,3,4‐thiadiazoles and 4‐methyl‐5‐imino‐Δ 2 ‐1,3,4‐thiadiazolines).