✍ Scribed by Min Hui Cao; Sheng Zhen Xu; Chang Shui Chen
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
## Abstract magnified image The carbodiimides **5**, obtained from reactions of iminophosphorane **4** with aromatic isocyanates, reacted with amines, phenols or ROH to give 2‐substituted 5,6,7,8‐tetrahydropyrido[4′,3′:4,5]thieno[2,3‐__d__]‐pyrimidin‐4(3__H__)‐one 7 in the presence of catalytic am
## Abstract The carbodiimides **4**, obtained from reactions of iminophosphorane **3** with aromatic isocyanates, were reacted with secondary amines to give 2‐dialkylamino‐5‐ethyl‐6‐methyl‐thieno[2,3‐__d__]pyrimidin‐4(3__H__)‐ones **6** in the presence of catalytic amount of EtONa. Reactions of **4