(8S,9R,11R)-8-[(4aR,8R,8aR)-2,2-ditert-butyl-8-tri(propan-2-yl)silyloxy-4,4a,8,8a-tetrahydropyrano[3,2-d][1,3,2]dioxasilin-6-yl]-3-(methoxymethoxy)-11-methyl-14-oxa-15-azatetracyclo[7.6.1.02,7.013,16]hexadeca-1(15),2(7),3,5,13(16)-pentaene-8,9-diol 、
氯碘甲烷 在
sodium hydride 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
以84%的产率得到[(4aR,8R,8aR)-2,2-ditert-butyl-6-[(1R,5R,17R)-10-(methoxymethoxy)-17-methyl-2,4,14-trioxa-13-azapentacyclo[10.6.1.01,5.06,11.015,19]nonadeca-6(11),7,9,12,15(19)-pentaen-5-yl]-4,4a,8,8a-tetrahydropyrano[3,2-d][1,3,2]dioxasilin-8-yl]oxy-tri(propan-2-yl)silane