A General Approach to the Synthesis of 4,7- Disubstituted Cephams

Anatoly Shutalev

doi:10.3390/ecsoc-2-01677

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A new approach to synthesis of 2-carbamoylbenzothiazoles

A General Approach to the Synthesis of 4,7- Disubstituted Cephams

Anatoly D. Shutalev

¹ Department of Organic Chemistry, State Academy of Fine Chemical Technology, Vernadsky Avenue 86, Moscow 117571, Russia

Published: 01 November 1998 by MDPI in The 2nd International Electronic Conference on Synthetic Organic Chemistry session General Organic Synthesis

https://doi.org/10.3390/ecsoc-2-01677

Abstract: A general approach to the synthesis of 4,7-disubstituted cephams is described starting from a,bunsaturated aldehydes or ketones via 4-functionally substituted tetrahydro-1,3-thiazine-2-thiones.

Keywords: a,b-Unsaturated aldehydes or ketones, dithiocarbamic acid, 4-hydroxy- and 4-alkoxytetrahydro- 1,3-thiazine-2-thiones, 4-functionally substituted tetrahydro-1,3-thiazine-2-thiones, 4-alkoxy-2-methylthio- 5,6-dihydro-4H-1,3-thiazines, 4,7-disubstituted cephams

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Anatoly Shutalev