作者:Tatiana N. Sokolova、Valery E. Shevchenko、Maria N. Preobrazhenskaya
DOI:10.1016/s0008-6215(00)84538-3
日期:1980.8
Abstract The reaction of indole with 2,3,4-tri- O -acetyl-β- l -arabinopyranosyl bromide in the presence of silver oxide yielded a mixture of O -acetylated 1-α- l -arabinopyranosylindole, 3-α- l -arabinopyranosylindole (the first indole C -nucleoside), and 1,2- O -[1-(indol-1-yl)ethylidene]-β- l -arabinopyranose. The corresponding derivatives were obtained from 5- or 6-nitroindole. Likewise, 6-nitroindole
摘要吲哚与氧化银存在下的2,3,4-三-O-乙酰基-β-1-芳基吡喃喃糖基溴化物的反应生成了O-乙酰化的1-α-1-L-芳基吡喃糖基吲哚,3-α-1的混合物-阿拉伯吡喃喃糖基吲哚(第一个吲哚C-核苷)和1,2-O- [1-(吲哚-1-基)亚乙基]-β-1-阿拉伯吡喃糖。相应的衍生物获自5-或6-硝基吲哚。同样,6-硝基吲哚和2,3,4,6-四-O-乙酰基-α-d-吡喃葡萄糖基溴化物得到O-乙酰化的1,2-O- [1-(6-硝基吲哚-1-基)-亚乙基]-α-d-葡萄糖和1,2- O-[1-(6-硝基吲哚-3-基)亚乙基]-α-d-葡萄糖和6-硝基吲哚与2,3,5-tri- O-苯甲酰基-d-呋喃核糖基溴化物得到O-苯甲酰化的1,2-O- [6-硝基吲哚-1-基(苯基)亚甲基]-α-d-呋喃呋喃糖及其6-硝基吲哚-3-基类似物。只有1个,吲哚与2,3,5-三-O-苯甲酰基-d-呋喃呋喃糖基溴缩合后,分离出2-O-