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Paper | Regular issue | Vol 27, No. 7, 1988, pp.1637-1642
Published online, 1st January, 1970
DOI: 10.3987/COM-88-4513
Synthesis of 4-Aminothieno[2,3-c]pyrid-7-one from 4-Aminocyclopenta[b]thiophen-6-one

Patrick Dallemagne, Sylvain Raute, Michel Cugnon de Sévricourt, and Max Robba*

*Laboratorie de Chimie Thérapeutique, U.F.R. des Sciences Pharmaceutiques, 1, rue Vaubénard, 14032 Caen Cedex, France

Abstract

4-Aminothieno[2,3-c]pyrid-7-one derivatives are obtained selectively by ring enlargement of 4-aminocyclopenta[b]thiophen-6-one derivatives using Schmidt or Beckmann rearrangement. Ir and 1H-Nmr spectra are described.