(1R,6R,7S,8S,10S,11R,12S)-10-(4,4'-dimethoxytrityloxymethyl)-11-hydroxy-6-methyl-13-oxa-2,4,8-triazatetracyclo[8.2.1.02,7.08,12]tridecan-3,5-dione 、
2-氰乙基N,N-二异丙基氯亚磷酰胺 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以73%的产率得到(1R,6R,7S,8S,10S,11R,12S)-11-[2-cyanoethoxy(diisopropylamino)phosphinoxy]-10-(4,4'-dimethoxytrityloxymethyl)-6-methyl-13-oxa-2,4,8-triazatetracyclo[8.2.1.0
2,7.0
8,12]tridecan-3,5-dione