tert-butyl ((2S,3R)-1-((2S,4R)-4-hydroxy-2-(((1R,2S)-1-(((1-methylcyclopropyl)sulfonyl)carbamoyl)-2-vinylcyclopropyl)carbamoyl)pyrrolidin-1-yl)-3-(methoxymethyl)-1-oxonon-8-en-2-yl)carbamate 在
Hoveyda-Grubbs catalyst second generation 氮气 、 silica gel 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 2.5h,
以to give tert-butyl ((2R,6S,7R,13aS,14aR,16aS,Z)-2-hydroxy-7-(methoxymethyl)-14a-(((1-methylcyclopropyl)sulfonyl)carbamoyl)-5,16-dioxo-1,2,3,5,6,7,8,9,10,11,13a,14,14a,15,16,16a-hexadecahydrocyclopropa[e]pyrrolo[1,2-a][1,4]diazacyclopentadecin-6-yl)carbamate (700 mg, 55%) as a brown solid (5.6 g, 70% yield)的产率得到tert-butyl ((2R,6S,7R,13aS,14aR,16aS,Z)-2-hydroxy-7-(methoxymethyl)-14a-(((1-methylcyclopropyl)sulfonyl)carbamoyl)-5,16-dioxo-1,2,3,5,6,7,8,9,10,11,13a,14,14a,15,16,16a-hexadecahydrocyclopropa[e]pyrrolo[1,2-a][1,4]diazacyclopentadecin-6-yl)carbamate