A facile one-pot synthesis of novel substituted 1,2,3,4-tetrahydropyrimidine, part 2: Synthesis of 1-(aralkyl/aryl)-3-(alkyl/aralkyl/aryl)-5-aroyl-1,2,3,4-tetrahydropyrimidines
作者:Kaushik Chanda、Milan Ch. Dutta、Enamul Karim、Jai N. Vishwakarma
DOI:10.1002/jhet.5570410425
日期:2004.7
1-(Aralkyl/aryl)-3-(alkyyaralkyl)-5-aroyl-1,2,3,4-tetrahydropyrimidines (2a-c) have been synthesized by dethiomethylation of 5-aroyl-6-methylthio-1,2,3,4-tetrahydropyrimidines (1a-c). An alternative one-pot synthetic strategy has been developed for the title compounds 2a-t by the reaction of enaminones 3 with pri mary amine and formaldehyde in refluxing methanol in good yields.
1-(芳烷基/芳基)-3-(烷基芳烷基)-5-芳酰基-1,2,3,4-四氢嘧啶(2a-c)是通过5-芳酰基-6-甲硫基1,2-的脱硫甲基化合成的, 3,4-四氢嘧啶(1a-c)。通过使烯胺酮3与主胺和甲醛在回流的甲醇中以良好的产率反应,已经开发了标题化合物2a-t的另一种单锅合成策略。