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2-(1,3-Benzothiazol-2-yl)ethanethioamides in Heterocyclic Synthesis: Novel Synthesis of Pyridine, Pyrido[2,3-d]pyrimidine, Coumarin, Thiazolone and Triazole Derivatives

✍ Scribed by Elneairy, Mohamed A. A.; Abdel-Rahman, Taha M.; Hammad, Ahmed M.


Book ID
120588417
Publisher
Science Reviews 2000 Ltd
Year
1998
Tongue
English
Weight
122 KB
Volume
11
Category
Article
ISSN
0308-2342

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## Abstract The reaction of the α‐arylethylidenemalononitrile derivatives 1a, c with piperonylidenemalononitrile (2a) and with ethyl piperonylidenecyanoacetate (2b) yield 1‐amino‐3,5‐diaryl‐2,6‐benzenedicarbonitrile (3a, c). Phenylaminopyridines 5a, b were obtained from the reaction of 1a, b with p