(S)-N-((2S,3R)-4-((R)-1-(allyloxy)-4-methylpentan-2-ylamino)-1-(3,5-difluorophenyl)-3-hydroxybutan-2-yl)-2-(3,3,3-trifluoro-N-methylpropylsulfonamido)hex-5-enamide 、
三氟乙酸 在
Hoveyda-Grubbs catalyst 作用下,
以
1,2-二氯乙烷 为溶剂,
以19%的产率得到N-((3R,6R,7S,10S)-7-(3,5-difluorobenzyl)-6-hydroxy-3-isobutyl-9-oxo-1-oxa-4,8-diazacyclopentadec-13-en-10-yl)-3,3,3-trifluoro-N-methylpropane-1-sulfonamide trifluoroacetate