methyl-2-O-benzoyl-4,6-O-benzyliden-α-D-xylo-hexopyranosid-3-ulose 、
碘甲烷 在
potassium tert-butylate 作用下,
生成 mMthyl-3-O-benzoyl-4-desoxy-6-O-methyl-α-D-glycero-hex-3-enopyranosid-2-ulose 、 Methyl-2-O-benzoyl-4,6-O-benzyliden-2-C-methyl-α-D-xylo-hexopyranosid-3-ulose