3-(bromomethyl)quinolin-8-yl tert-butyl carbonate 、
(4S,11S,18S)-7,14,21-trimethyl-4,11,18-tri(propan-2-yl)-3,6,10,13,17,20,22,23,24-nonazatetracyclo[17.2.1.15,8.112,15]tetracosa-1(21),5(24),7,12(23),14,19(22)-hexaene-2,9,16-trione 在
potassium carbonate 作用下,
以
乙腈 为溶剂,
反应 6.0h,
以56%的产率得到tert-butyl [3-[[(4S,11S,18S)-7,14,21-trimethyl-13,20-bis[[8-[(2-methylpropan-2-yl)oxycarbonyloxy]quinolin-3-yl]methyl]-2,9,16-trioxo-4,11,18-tri(propan-2-yl)-3,6,10,13,17,20,22,23,24-nonazatetracyclo[17.2.1.15,8.112,15]tetracosa-1(21),5(24),7,12(23),14,19(22)-hexaen-6-yl]methyl]quinolin-8-yl] carbonate