2,5-Anhydro-1-azido-1,3-dideoxy-D-erythro-pentitol 、
potassium thioacetate 、
乙腈 在
2,5-Anhydro-1-azido-1,3-dideoxy-4-thio-L-threo-pentitol 、 silica gel 作用下,
以
ethyl acetate n-hexane 为溶剂,
以to give 0.90 g of the desired product after chromatography (silica gel: 30% ethyl acetate/hexane)的产率得到2,5-Anhydro-1-azido-1,3-dideoxy-4-thio-L-threo-pentitol