tert-butyl ((2R,6S,7R,9R,13aS,14aR,16aS,Z)-2-hydroxy-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-6-yl)carbamate 、
2-chloro-3-cyclopropyl-6-methoxyquinoxaline 在
potassium tert-butylate 作用下,
以
四氢呋喃 、
二甲基亚砜 为溶剂,
反应 2.0h,
以21%的产率得到tert-butyl ((2R,6S,7R,9R,13aS,14aR,16aS,Z)-2-((3-cyclopropyl-6-methoxyquinoxalin-2-yl)oxy)-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-6-yl)carbamate