作者:Fidel J. Lopez Aparicio、Isidoro Izquierdo Cubero、Maria D. Portal Olea
DOI:10.1016/0008-6215(84)85302-1
日期:1984.7
Abstract Hydroxylation of ethyl cis -2,3-dideoxy-4,5- O -isopropylidene-2- C -methyl- dl - glycero -pent-2-enonate ( 1 ) with osmium tetraoxide gave ethyl 4,5- O -isopropylidene-β- dl -galactosaccharinate (ethyl 4,5- O -isopropylidene-2- C -methyl- dl -lyxonate, 3 ) and ethyl 4,5- O -isopropylidene-α- dl -glucosaccharinate (ethyl 4,5- O -isopropylidene-2- C -methyl- dl -ribonate, 4 ). Similarly, the
摘要用四氧化将顺式-2,3-二脱氧-4,5-O-异亚丙基-2-C-甲基-dl-甘油-戊-2-烯酸酯(1)羟化,得到4,5-O-异亚丙基乙基-β-dl-半乳糖苷(4,5- O-异亚丙基-2-C-甲基-dl-lyxonate,3)和4,5- O-异亚丙基-α-dl-葡萄糖苷(乙基4,5- O -异亚丙基-2-C-甲基-dl-核糖酸酯,4)。类似地,1的反式异构体产生4,5-O-异亚丙基-α-dl-半乳糖苷酸乙酯(4,5-O-异亚丙基-2-C-甲基-dl-木糖酸乙酯,5)的混合物4,5-O-异亚丙基-β-dl-葡糖精(4,5-O-异亚丙基-2-C-甲基-dl-阿拉伯糖酸酯,6)。化合物3–6被转化为相应的1,4-内酯。