340-72-7Relevant academic research and scientific papers
TaBr5-catalyzed Biginelli reaction: one-pot synthesis of 3,4-dihydropyrimidin-2-(1H)-ones/thiones under solvent-free conditions
Ahmed, Naseem,van Lier, Johan E.
, p. 5407 - 5409 (2008/02/10)
An efficient TaBr5 (5-10 mol %)-catalyzed Biginelli reaction under solvent-free conditions for one-pot syntheses of 3,4-dihydropyrimidin-2-(1H)-ones (DHPMs) and their thione analogs is reported. The catalyst is stable at room temperature and em
Syntheses of 2,3-Dihydro-5H-thiazolopyrimidines and Tetrasubstituted Dihydropyrimidine Derivatives as Possible Anthelmintic Agents
Akhtar, M. Shamim,Seth, M.,Bhaduri, A. P.
, p. 556 - 561 (2007/10/02)
The hitherto unreported ring closure reaction of 5-ethoxycarbonyl-6-methyl-4-substitutedphenyl-3,4-dihydropyrimidine-2-thione with monochloroacetic acid in the presence of BF3-etherate is described.The reaction appears to have a general applicability and
