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Chemija / Chemistry

ISSN 0235-7216
ISSN 2424-4538 (online)

2011 m. Nr. 3

Heterocyclic synthesis using nitrilimines. Part 17. Synthesis of some new thiadiazinone and thiadiazepinone derivatives
Hany M. DALLOUL

A series of new 5-arylhydrazono-5-aroyl-3-carboxy-4-thiapentanoic acids were synthesized by reaction of the corresponding hydrazonoyl halides with mercaptosuccinic acid. These compounds underwent intramolecular cyclization to 1,3,4-thiadiazine-5-one and 1,3,4-thiadiazepine-5-one derivatives in presence of dicyclohexylcarbodiimide (DCC). The structure of the synthesized compounds has been established by their elemental analysis and spectral data.

: nitrilimines, mercaptosuccinic acid, 1,3,4-thiadiazine-5-one, 1,3,4-thiadiazepine 5-one

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