Synthesis and structure of novel thieno[2,3-d]pyrimidine derivatives containing 1,3,4-oxadiazole moiety

Article abstract of DOI:10.1002/jccs.200900060

The reaction of 5-(1-pyrrolyl)-4-methyl-2-phenylthieno[2,3-d]pyrimidine carbohydrazide 5 with CS² in the presence of pyridine afforded the 6-(2,3-dihydro-2-mercapto-1,3,4-oxadiazol-5-yl)-4-methyl-5-(1-pyrrolyl) -2-phenylthieno[2,3-d]pyrimidine