(23R)-3-O-tert-butyldimethylsilyl-13,14-desepoxy-1-detigloyl-11,20-O,O-dibenzyl-22,23-dihydro-23-methoxy-7-oxoazadirachtin 在
碳酸氢钠 、
magnesium monoperoxyphthalate hexahydrate 作用下,
以
甲醇 为溶剂,
反应 168.0h,
以20%的产率得到dimethyl (1S,4S,5R,6R,8R,11S,12R,14S,15R)-12-[tert-butyl(dimethyl)silyl]oxy-14-hydroxy-6-[(1R,2S,4R,6R,8S,9R,11S)-4-methoxy-11-methyl-2-phenylmethoxy-5,7,10-trioxatetracyclo[6.3.1.02,6.09,11]dodecan-9-yl]-6-methyl-7-oxo-4-phenylmethoxy-3,9-dioxatetracyclo[6.6.1.01,5.011,15]pentadecane-4,11-dicarboxylate