(1R,18R,22R,26S,29S,30S)-26-tert-butyl-7-methoxy-30-methyl-24,27-dioxo-2,23-dioxa-4,11,25,28-tetrazapentacyclo[26.2.1.03,12.05,10.018,22]hentriaconta-3,5(10),6,8,11-pentaene-29-carboxylic acid 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 1.25h,
以119 mg的产率得到(1aR,5S,8S,9S,10R,22aR)-5-tert-butyl-N-[(1R,2S)-2-(2,2-difluoroethyl)-1-{[(1-methylcyclopropyl)sulfonyl]carbamoyl}cyclopropyl]-14-methoxy-9-methyl-3,6-dioxo-1,1a,3,4,5,6,9,1 0,18,19,20,21,22,22a-tetradecahydro-8H-7,10-methanocyclopropa[18,19][1,10,3,6]dioxadiazacyclononadecino[11,12-b]quinoxaline-8-carboxamide