874913-09-4Relevant articles and documents
New efficient synthesis of 2-substituted benzothieno[3,2-d]pyrimidin-4(3H)- ones via a tandem aza-Wittig reaction
Xu, Sheng-Zhen,Hu, Yang-Gen,Ding, Ming-Wu
, p. 4180 - 4186 (2006)
1-Aryl-3-[2-(ethoxycarbonyl)benzothien-3-yl]carbodiimides 4, obtained from aza-Wittig reactions of iminophosphorane 3 with aryl isocyanates, reacted with secondary amines, phenols, or alkanols in the presence of a catalytic amount of potassium carbonate o