(1'R,2'R,2S)-2-(1'-ethyl-2'-(triisopropylsilanyloxy)pent-4'-enyloxy)pent-4-enoic acid dimethylamide 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
以76%的产率得到(Z)-(2S,7R,8R)-8-Ethyl-7-triisopropylsilanyloxy-3,6,7,8-tetrahydro-2H-oxocine-2-carboxylic acid dimethylamide