乙酸酐 、 methyl (2S,3S,4R)-3-azido-5-[tert-butyl(dimethyl)silyl]oxy-4-(4-methylphenyl)sulfonyloxyoxolane-2-carboxylate 生成 (2S,3S,4R,5R)-3-Acetylamino-5-(tert-butyl-dimethyl-silanyloxy)-4-(toluene-4-sulfonyloxy)-tetrahydro-furan-2-carboxylic acid methyl ester 、
methyl (1R,2S,4S,5S)-6-acetyl-4-[tert-butyl(dimethyl)silyl]oxy-3-oxa-6-azabicyclo[3.1.0]hexane-2-carboxylate 、 (1R,2S,4R,5S)-6-Acetyl-4-(tert-butyl-dimethyl-silanyloxy)-3-oxa-6-aza-bicyclo[3.1.0]hexane-2-carboxylic acid methyl ester