869287-33-2Relevant academic research and scientific papers
Synthesis of tri-or tetrasubstituted pyrimidine derivatives through the [5+1] annulation of enamidines with either N,N-dimethylformamide dialkyl acetals or orthoesters and their application in a ring transformation of pyrimidines to pyrido[2,3-d]pyrimidin
Sasada, Toshiaki,Aoki, Youichi,Ikeda, Reiko,Sakai, Norio,Konakahara, Takeo
supporting information; experimental part, p. 9385 - 9394 (2011/10/02)
The [5+1] annulation of enamidines, which were prepared from functionalized silanes, organolithium compounds and two nitriles, with N,N-dimethylformamide dialkyl acetals as the C1 unit is described, leading to the synthesis of tri- and tetrasubstituted py
