乙酸酐 、
methyl 3-acetamido-2,3,6-trideoxy-4-O-methoxymethyl-3-C-methyl-α-L-arabino-hexopyranoside 在
盐酸 作用下,
生成 Acetic acid (2R,3S,4S,6S)-4-acetylamino-6-methoxy-2,4-dimethyl-tetrahydro-pyran-3-yl ester 、 Acetic acid (2R,3S,4S,6S)-4-acetylamino-6-methoxy-2,4-dimethyl-tetrahydro-pyran-3-yl ester