(S)-N-((2S,3R)-1-(3,5-difluorophenyl)-3-hydroxy-4-(2-(pent-4-enyl)-5-(trifluoromethyl)benzylamino)butan-2-yl)-2-(N-methylpentyl sulfonamido)pent-4-enamide trifluoroacetate 在
Hoveyda-Grubbs catalyst 作用下,
以
1,2-二氯乙烷 为溶剂,
以32%的产率得到N-((4R,5S,8S)-5-(3,5-difluorobenzyl)-4-hydroxy-17-(trifluoromethyl)-7-oxo-1,2,3,4,5,6,7,8,9,12,13,14-dodecahydrobenzo[g][1,5]diazacyclohexadecin-8-yl)-N-methylpentane-1-sulfonamide trifluoroacetate