1261065-43-3Relevant articles and documents
Synthesis and antimicrobial activity of some new derivatives of thieno [2,3-i/] Pyrimidin-4 (l//)-one and 1,2,41 triazolo [4,3-fl] thienopyrimidin -5-ones
Mahran, Asma M.
experimental part, p. 539 - 553 (2010/10/03)
ETHYL 2-AMINOCYCLOALKA[6]thiophene-3-carboxylate 1-3 was used as precursor for the preparation of some novel cycloalka [b]thieno [2,3-d] - 3,4-dihydropyrimidin- 4 (1H)-one 8-10, ethyl 2-[(2thienylcarbonyl) amino] - 5, 6-dihydro-4//-[6]thiophene-3 carboxylate 12-14 and [1, 2, 4] triazolo [4, 3-a] thieno - pyrimidine - 5(1H) - one derivatives 20. These compounds were prepared by treating compounds 1-3 with each of ethyl N-phenylhydrazonochloroacetate 4 or thiophenc-2-carbonylchloride 11 and cycloalka[b]thieno[2,3-d]-3,4dihydro- pyrimidin-4-one or its methyl thio 21 with each of the hydazonoyl halides4,12.