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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 38, 2008 - Issue 20
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Original Articles

Simple and New Protocol for the Synthesis of Novel (z)-3-Arylidenebenzothiazepin-4-ones Using Baylis–Hillman Derivatives

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Pages 3406-3413 | Received 22 Feb 2008, Published online: 29 Sep 2008
 

Abstract

A simple synthesis of novel (Z)-3-arylidene-2,3-dihydrobenzo[b][1,4]thiazepin-4(5H)-ones from bromo compounds derived from Baylis–Hillman adducts involving selective S-alkylation followed by a lactum formation has been described.

ACKNOWLEDGMENTS

We thank Department of Science & Technology (New Delhi) for the financial support under the fast track scheme. We thank Department of Science & Technology-Fund for Improvement of Science & Technology Infrastructure in Higher Educational Institutions for the funding program at the Department of Organic Chemistry, University of Madras, Chennai.

Notes

a All the products gave satisfactory IR, 1H NMR (300 MHz), 13C NMR (75 MHz), and mass spectral data and elemental analyses.

b Yields of the pure product (6a–k) obtained after column chromatography.

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