Asymmetric diels-alder reaction of a chiral allenic ester : enantioselective synthesis of (−)-β-santalene
作者:Wolfgang Oppolzer、Christian Chapuis
DOI:10.1016/s0040-4039(00)86221-8
日期:1983.1
The Lewis-acid promoted Diels-Alderreaction of the allenic ester 10 provides the adduct 11 with excellent π-facial selection leading to an efficient enantioselectivesynthesis of (−)-β-santalene and to the recovery of the chiral control element 7.