Synthesis 2009(16): 2733-2736  
DOI: 10.1055/s-0029-1216886
PAPER
© Georg Thieme Verlag Stuttgart ˙ New York

An Unprecedented Synthesis of Eight-Membered-Ring Cyclic Thioimidic Esters by a Three-Component Reaction

Abdolali Alizadeh*, Reza Hosseinpour
Department of Chemistry, Tarbiat Modares University, P. O. Box 14115-175, Tehran 18716, Iran
Fax: +98(21)88006544; e-Mail: abdol_alizad@yahoo.com; e-Mail: aalizadeh@modares.ac.ir;
Further Information

Publication History

Received 13 April 2009
Publication Date:
07 July 2009 (online)

Abstract

The three-component reaction of the isocyanides and dialkyl acetylenedicarboxylates or dibenzoylacetylene (DBA) in the presence of elemental sulfur is described. The reaction afforded the corresponding eight-membered cyclic thioimidic esters in good yields.