Regioselective amidation of allylic ?-hydroxyphosphonates with Nitriles: A convenient route to (3-acetylamino-1-alkenyl)-phosphonates
作者:E. �hler、S. Kanzler
DOI:10.1007/bf00807399
日期:1996.2
Reaction of dialkyl (1-hydroxy-2-alkenyl)- and (1-hydroxy-2-cycloalkenyl)phosphonates (1) with acetonitrile in the presence of trifluoromethane sulfonic acid (TfOH) affords regiospecifically and with high (E)-stereoselectivity the 1,3-transposed acetamides 3 in modest to good yields.
OHLER, ELISABETH;ZBIRAL, ERICH, CHEM. BER., 124,(1991) N, C. 175-184