5,6-dideoxy-5-C-(1,3-dithian-2-yl)-3-C-hydroxymethyl-1,2-O-isopropylidene-3,3'-O-methylene-6-nitro-α-D-glucofuranose 在
碳酸氢钠 、
三氟乙酸 作用下,
生成 1L-(1,2,3',4,5/3,6)-3-hydroxymethyl-3,3'-O-methylene-6-nitro-2,3,4,5-tetrahydroxycyclohexanecarbaldehyde trimethylene dithioacetal