methyl N-(3-(N-(2-propen-1-yl)(4-chlorophenyl)sulfonamidomethyl)benzoyl)-O-methyl-2-(2-propen-1-yloxy)tyrosinate 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
以51%的产率得到methyl 17-((4-chlorophenyl)sulfonyl)-9-methoxy-2-oxo-12-oxa-3,17-diazatricyclo[17.3.1.0
6,11]trieicosa-1(23),6,8,10,14,19,21-heptaene-4-carboxylate