Ammonolysis of penta-O-benzoyl-α-d-glucopyranose in an aprotic medium. Characterization of the products isolated, and conformational analysis of eleven N-benzoyl-d-glucofuranosylamine derivatives
作者:Amelia E. Salinas、Jorge F. Sproviero、Venancio Deulofeu
DOI:10.1016/0008-6215(87)85006-1
日期:1987.12
Abstract The reaction of penta-O-benzoyl-α- d -glucopyranose with chloroform-1,4-dioxane-liquid ammonia gave 1,1-bis(benzamido)-6-O-benzoyl-1-deoxy- d -glucitol (29.0%), three partially benzoylated derivatives of N-benzoyl-α- d -glucofuranosylamine (23.6%), a small proportion of N-benzoyl-di-O-benzoyl-β- d -glucofuranosylamine (0.2%), and four partially benzoylated derivatives of α- d -glucopyranose
摘要五-O-苯甲酰基-α-d-吡喃葡萄糖与氯仿-1,4-二恶烷-液氨反应生成1,1-双(苯甲酰胺基)-6-O-苯甲酰基-1-脱氧-d-葡萄糖醇( 29.0%),N-苯甲酰基-α-d-葡萄糖呋喃糖胺的三部分苯甲酰化衍生物(23.6%),N-苯甲酰基-二-O-苯甲酰基-β-d-葡萄糖呋喃糖胺的一小部分(0.2%)和四部分α-d-吡喃葡萄糖的苯甲酰化衍生物(9.9%)。通过化学和光谱学方法建立了迄今未知的产物的结构及其端基构型。N-苯甲酰基-d-葡萄糖呋喃糖胺的两种异构体在溶液中的构象,从氨解反应中分离出的部分苯甲酰化衍生物以及各种化合物的过氧乙酰基衍生物均通过1H-nmr光谱法进行了分析。