Synthesis 2012; 44(22): 3447-3452
DOI: 10.1055/s-0032-1316794
paper
© Georg Thieme Verlag Stuttgart · New York

Synthesis of New Thienopyridine Derivatives by [3+2]- and [2+2]-Cycloaddition Reactions

Authors

  • Mátyás Milen*

    a   Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary
    b   EGIS Pharmaceuticals PLC, Division for Chemical Research, P.O.B. 100, 1475 Budapest, Hungary   Fax: +36(1)4633648   Email: gkeglevich@mail.bme.hu
  • Péter Ábrányi-Balogh

    a   Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary
  • András Dancsó

    b   EGIS Pharmaceuticals PLC, Division for Chemical Research, P.O.B. 100, 1475 Budapest, Hungary   Fax: +36(1)4633648   Email: gkeglevich@mail.bme.hu
  • György Keglevich*

    a   Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary
Further Information

Publication History

Received: 16 July 2012

Accepted after revision: 17 September 2012

Publication Date:
02 October 2012 (online)


Graphical Abstract

Abstract

The reaction of 6,7-dihydrothieno[3,2-c]pyridine derivatives with 1,3-dipoles, such as a nitrile oxides or nitrile imines, gave novel fused heterocycles. The Staudinger reaction of the starting material was also studied. This reaction was stereoselective and exclusively gave racemic cis-cycloadducts in which the thienopyridine core was fused with a β-lactam ring.