Intramolecular cyclization of acetylene-containing α-amino carboxylates and α-amino phosphonates: synthesis of α-CF3-substituted dehydroprolines and their P-analogs
作者:M. A. Zotova、T. P. Vasil’eva、S. N. Osipov
DOI:10.1007/s11172-013-0107-0
日期:2013.3
CF3-Containing α-arylpropargyl-α-amino carboxylates and α-arylpropargyl-α-amino phosphonates on treatment with the Brønsted or Lewis acids undergo cyclization involving the free NH2 group and triple bond to yield the corresponding dehydroprolines and their phosphorus analogs.