CATALYTIC INTRAMOLECULAR 2-(4-ALKENYL)ALLYLPALLADIUM INSERTIONS

Article abstract of DOI:10.1016/S0040-4039(00)80804-7

Pd(O)-catalyzed cyclizations of 1-acetoxy-2-methylene-6-heptenes(3<*>4, 18<*>19) are consistent with a allylpalladium/olefin insertion involving a metal-transfer to the distal alkene terminal.Cyclization 7<*>8 exemplifies a new stereocontrolled access to