and methyl 5-deoxy-5-iodo-2,3-O-isopropylidene-β-D-ribofuranoside (19) to dimethyl maleate, methyl acrylate, acrylonitrile, methyl vinyl ketone, and vinylene carbonate gave various types of higher-carbon sugars.
                                    Bu 3 SnH-AIBN诱导3,5-二-O-乙酰基-6-脱氧-6-
碘-1,2-O-异亚丙基-α-
D-葡萄糖和-异
呋喃糖的自由基加成(1和10) ,将5-脱氧-5-
碘-2,3-O-异亚丙基-β-D-
呋喃呋喃糖苷(19)转化为
马来酸二甲酯,
丙烯酸甲酯,
丙烯腈,甲基
乙烯基酮和
碳酸亚乙烯酯,得到各种类型的高级碳糖。