(1R,2R)-1-amino-N-(cyclopropaneylsulfonyl)-2-(difluoromethyl)cyclopropanecarboxamide hydrochloride 、
(1R,2R,19R,20S,21S,24S,28R,29S)-24-tert-butyl-20-ethyl-13-methoxy-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-carboxylic acid 、
三氟乙酸 在
4-二甲氨基吡啶 、 O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 、
N,N-二异丙基乙胺 作用下,
以
水 、
乙腈 为溶剂,
反应 16.0h,
以14.5 mg的产率得到(1R,4S,4aR,8S,11S,12S,13R,25aR)-8-tert-butyl-N-[(1R,2R)-1-[(cyclopropylsulfonyl)carbamoyl]-2-(difluoromethyl)cyclopropyl]-12-ethyl-17-methoxy-6,9-dioxo2,3,4,4a,6,7,8,9,12,13,21,22,23,24,25,25a-hexadecahydro-1H,11H-1,4:10,13-dimethanoquinoxalino[2,3-k][1,10,3,6]benzodioxadiazacyclononadecine-11-carboxamide trifluoroacetate