(8R,11R,14S,15R)-5-Bromo-8-tert-butoxycarbonylamino-18,19-dichloro-4,15-dihydroxy-11-(4-methoxy-phenyl)-9,12-dioxo-2-oxa-10,13-diaza-tricyclo[14.2.2.1
3,7]henicosa-1(19),3(21),4,6,16(20),17-hexaene-14-carboxylic acid methyl ester 在
palladium on activated charcoal
氢气 、
溴 、
sodium acetate 、
N,N-二异丙基乙胺 作用下,
以
甲醇 、
二氯甲烷 、
溶剂黄146 为溶剂,
反应 2.17h,
生成
(8R,11R,14S,15R)-5-Bromo-8-tert-butoxycarbonylamino-4,15-dihydroxy-11-(4-methoxy-phenyl)-9,12-dioxo-2-oxa-10,13-diaza-tricyclo[14.2.2.13,7]henicosa-1(19),3(21),4,6,16(20),17-hexaene-14-carboxylic acid methyl ester