Facile One-Pot Synthesis of Cyclic N-Sulfonylamidines from Lactam and Sulfonamide
作者:Abudureheman Wusiman、Ayinigeer Mulati
DOI:10.3987/com-15-13307
日期:——
A simple method has been developed for one-pot synthesis of five-, six- and seven-membered cyclic N-sulfonylamidines from lactams and sulfonamides under mild conditions. The method involves a Vilsmeier like reaction promoted by phosphoryl chloride. Detailed synthetic studies showed that the corresponding substituted N-sulfonylamidines were obtained in moderate to good yields.
Coupling reaction of thioamides with sulfonyl azides: an efficient catalyst-free click-type ligation under mild conditions
We report a coupling reaction of thioamides and sulfonyl azides to generate sulfonyl amidines in the absence of any activation additives. The reaction progresses in various solvents under mild conditions. Water exhibits the highest performance with respect to efficiency.