(3S,4R,E)-4-isopropyl-2-methyl-6-[(S)-N-methyl-S-phenylsulfonimidoyl]nona-5,8-dien-3-yl but-3-enoate 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以
甲苯 为溶剂,
反应 16.0h,
以75%的产率得到(4Z,7E,9R,10S)-9,10-diisopropyl-7-[(S)-N-methyl-S-phenylsulfonimidoyl]-3,6,9,10-tetrahydro-2H-oxecin-2-one