(1R,2R)-1-amino-N-(cyclopropaneylsulfonyl)-2-(difluoromethyl)cyclopropanecarboxamide hydrochloride 、
methyl (1R,2R,19R,20S,21S,24S,28R,29S)-24-tert-butyl-13-methoxy-20-methyl-23,26-dioxo-18,27-dioxa-9,16,22,25-tetrazahexacyclo[27.2.1.119,22.02,28.08,17.010,15]tritriaconta-8,10(15),11,13,16-pentaene-21-carboxylate 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
乙腈 为溶剂,
反应 3.0h,
以113 mg的产率得到(1R,4S,4aR,85,11S,12S,13R,25aR)-8-tert-butyl-N-[(1 R,2R)-1-[(cyclopropylsulfonyl)carbamoyl]-2-(difluoromethyl)cyclopropyl]-17-methoxy-12-methyl-6,9-dioxo-2,3,4,4a,6,7,8,9,12,13,21 ,22,23,24,25,25a-hexadecahydro-1H,11 H-1,4:10,13-dimethanoquinoxalino[2,3-k][1,10,3,6]benzodioxadiazacyclononadecine-11-carboxamide