tert-butyl ((6S,7R,9R,14aS,15R)-7-cyano-9-(((S)-2-(1,3-dioxoisoindolin-2-yl)propanamido)methyl)-11-hydroxy-2-methoxy-3,12,16-trimethyl-10,13-dioxo-6,7,9,10,13,14,14a,15-octahydro-5H-6,15-epiminobenzo[4,5]azocino[1,2-b]isoquinolin-1-yl) carbonate 、
溴氯甲烷 在
palladium on activated charcoal
氢气 、
caesium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
23.0~100.0 ℃
、101.32 kPa
条件下,
反应 2.5h,
以89 mg的产率得到tert-butyl [(1R,2S,13R,15R,16S)-15-cyano-13-[[[(2S)-2-(1,3-dioxoisoindol-2-yl)propanoyl]amino]methyl]-5-hydroxy-21-methoxy-6,20,24-trimethyl-8,10-dioxa-14,24-diazahexacyclo[14.7.1.02,14.04,12.07,11.018,23]tetracosa-4(12),5,7(11),18(23),19,21-hexaen-22-yl] carbonate