1414976-10-5Relevant academic research and scientific papers
A simple, one-pot synthesis of N-Alkyl and N-aryl thieno[2,3-d] pyrimidinones from thiophene-and benzothiophene-2-yl-ureas
Yule, Ian A.,Fishwick, Colin W. G.
, p. 337 - 344,8 (2020/10/15)
We herein describe a convenient, one-pot synthesis of N-substituted thieno and benzothieno[2,3-d]pyrimidinones from the respective thiophene-2-yl ureas. This intramolecular cyclization, which presumably proceeds via a Vilsmeier-Haack dimethyliminium inter
