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Synthesis of benzo[b][1,4]thiazepines by the reaction of 3-aryl-1-(3-coumarinyl)propen-1-ones with 2-aminothiophenol

✍ Scribed by Albert Lévai; József Jekő; Tímea Gondos; András Simon; Gábor Tóth

Publisher: Journal of Heterocyclic Chemistry
Year: 2007
Tongue: English
Weight: 413 KB
Volume: 44
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570440633

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✦ Synopsis

Abstract

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3‐(2‐Aryl‐2,3‐dihydro‐benzo[b][1,4]thiazepin‐4‐yl)chromen‐2‐ones (2a, e, f) and (Z)‐3‐(2,3‐dihydro‐2‐arylbenzo[b][1,4]thiazepin‐4(5__H__)‐ylidene)chroman‐2‐ones (3a‐f) have been synthesized by the reaction of 3‐aryl‐1‐(3‐coumarinyl)propen‐1‐ones (1a‐f) with 2‐aminothiophenol in a hot mixture of toluene and acetic acid. Structures of all new compounds and their complete ^1^H and ^13^C assignments were achieved applying different one‐ and two‐dimensional nmr experiments in combination with various spectroscopic techniques.

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