D-ribose N-1-(5,6-dihydronaphtho[1',2':4,5]thieno[2,3-d]pyrimidin-11-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl-hydrazone 、
乙酸酐 反应 4.0h,
以48%的产率得到[(2R,3S,4S)-2,3,4-triacetyloxy-4-[10-(11-thia-13,15-diazatetracyclo[8.7.0.02,7.012,17]heptadeca-1(10),2,4,6,12,14,16-heptaen-16-yl)-3,5,6,8,10,11-hexazatricyclo[7.3.0.02,6]dodeca-1(9),2,4,7,11-pentaen-4-yl]butyl] acetate