N,N'-bis(2-propenyl)-N-[[(R)-1-ethoxycarbonyl-ethylamino]sulfonyl]-L-valine methyl ester 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
以99%的产率得到2-(2S)-[(7-[(1'R)-1'-ethoxycarbonyl-ethyl]-2,3,6,7-tetrahydro-1,2,7-thiadiazepine-1,1-dioxido-2-yl)]-3-phenyl-propionic acid methyl ester