diallyl 5-{[(2R,3S)-3-((1R)-1-{[tert-butyl(dimethyl)silyl]oxy}ethyl)-4-oxoazetidin-2-yl]acetyl}-2-oxo-1H-benzimidazole-1,3(2H)-dicarboxylate 、
allyl glyoxalate dihydrate 以
甲苯 为溶剂,
反应 2.0h,
生成 allyl {(2R,3S)-2-{2-(1,3-diallyloxydicarbonyl-2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-2-oxoethyl}-3-((1R)-1-{[tert-butyl(dimethyl)silyl]oxy}ethyl)-4-oxoazetidin-1-yl}(hydroxyl)acetate