Synthesis of phenyl 2-acetamido-2-deoxy-3-O-α-l-fucopyranosyl-β-d-glucopyranoside and related compounds
作者:Surjit S. Rana、Joseph J. Barlow、Khushi L. Matta
DOI:10.1016/s0008-6215(00)86027-9
日期:1981.5
phenyl 2-acetamido-2-deoxy-3- O -α- l -fucopyranosyl-β- d -glucopyranoside. Starting from 6-(trifluoroacetamido)hexyl 2-acetamido-3,4,6-tri- O -acetyl-2-deoxy-β- d -glucopyranoside, the synthesis of 6-(trifluoroacetamido)hexyl 2-acetamido-2-deoxy-3- O -β- l -fucopyranosyl-β- d -glucopyranoside has been accomplished by a similar reaction-sequence. On acetolysis, methyl 2-acetamido-2-deoxy-3- O -α- l
摘要苯基2-乙酰氨基-2-脱氧-4,6-O-(对甲氧基亚苄基)-β-d-吡喃葡萄糖苷与2,3,4-三-O-苄基-α-1-呋喃核糖基溴的反应卤离子催化的条件容易进行,得到苯基2-乙酰氨基-2-脱氧-4,6-O-(对甲氧基亚苄基)-3-O-(2,3,4-三-O-苄基-α- 1-呋喃核糖基)-β-d-吡喃葡萄糖苷(8)。用酸温和地处理8,然后进行氢解,得到二糖苯基2-乙酰氨基-2-脱氧-3-O-α-1-呋喃核糖基-β-d-吡喃葡萄糖苷。从6-(三氟乙酰氨基)己基2-乙酰氨基-3,4,6-三-O-乙酰基-2-脱氧-β-d-吡喃葡萄糖苷开始,合成6-(三氟乙酰氨基)己基2-乙酰氨基-2-脱氧通过类似的反应序列可以完成-3-O-β-l-呋喃果糖基-β-d-吡喃葡萄糖苷。在乙解中