D. Briel, T. Maschke, G. Wagner
Aug 1, 1992
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Journal
Die Pharmazie
Abstract
3-Acetylamino-substituted thiophene with cyano and carboxylic acid methylester group in 2- and 4-position react with primary amines to give thieno(3,2-d)- or thieno(3,4)-dpyrimidines. Furthermore thieno(3,4-d)-pyrimidines were prepared from non-acetylated thiophene derivatives. Some thienopyrimidines showed antiulcer antiallergic effects, respectively.