3,3-difluoro-2-methylbutan-2-yl pyridin-2-yl carbonate 、
tert-butyl 3-chloro-2-(trifluoromethyl)quinoxaline-6-carboxylate 、 (2R,6S,7R,9R,13aS,14aR,16aS,Z)-6-amino-2-hydroxy-7,9-dimethyl-N-((1-methylcyclopropyl)sulfonyl)-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]diazacyclopentadecine-14a-carboxamide trifluoroacetate 在
potassium tert-butylate 、
溶剂黄146 、
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 为溶剂,
反应 0.42h,
以32%的产率得到tert-butyl 3-(((2R,6S,7R,9R,13aS,14aR,16aS,Z)-6-((((3,3-difluoro-2-methylbutan-2-yl)oxy)carbonyl)amino)-7,9-dimethyl-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-2-yl)oxy)-2-(trifluoromethyl)quinoxaline-6-carboxylate