Efficient Synthesis of 7-benzyl-5,6,7,8-tetrahydropyrido[4',3':4',5]thieno [2,3-d]pyrimidin-4(3H)-Ones Via Aza-Wittig Reaction
作者:Hong Chen、Kai Yan、Ming-Guo Liu
DOI:10.2174/157017811799304250
日期:2011.11.1
7-benzyl-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4(3H)-ones were synthesized by base catalytic reactions of nucleophilic reagents (aliphatic amines, alcohols or phenols) with carbodiimides 4, which were obtained from the aza-Wittig reaction of iminophosphoranes 3 with aromatic isocyanates.
通过催化基本反应将亲核试剂(脂肪胺、醇或
酚)与从亚氮-维蒂希反应中获得的
氨基
磷烯 3 和芳香
异氰酸酯反应生成的
氨基
氨基吡啶4合成了7-苄基-5,6,7,8-四氢
吡啶[4',3':4,5]
噻唑[2,3-d]
嘧啶-4(3H)-酮。