371149-32-5Relevant articles and documents
Arylamino-thieno-oxobutanainides under Lawesson's conditions: Competition between thienylpyrrole and bithiophene formation
Raposo, M. Manuela M.,Sampaio, Ana M. B. A.,Kirsch
, p. 199 - 210 (2005)
1-Aryl-2-thienyl-substituted pyrroles and/or 5-arylamino-2,2′- bithiophenes were synthesized by treatment of arylamino-thieno-oxobutanamides with Lawesson's reagent. These in turn were prepared by direct amidation of 4-oxo-(2-thienyl)butanoic acid through DCC-BtOH mediated reactions.