Improved method for the synthesis of o-glycosylated fmoc amino acids to be used in solid-phase glycopeptide synthesis (Fmoc = fluoren-9-ylmethoxycarbonyl)
作者:Beatriz G. de la Torre、Josep L. Torres、Eduard Bardají、Pere Clapés、Núria Xaus、Xavier Jorba、Silvia Calvet、Fernando Albericio、Gregorio Valencia
DOI:10.1039/c39900000965
日期:——
anosyl)-Nα-(fluoren-9-ylmethoxycarbonyl)threonine (6) for use in solid-phase glycopeptide synthesis can be obtained via their ally esters by mild treatment with tetrakis(triphenylphosphine)palladium(0) and tributyltin hydride with no Fmoc elimination or sugar cleavage or anomerization.
积木Ô 1 - (2,3,4,6-四- ö乙酰基β- d -galactopyranosyl)-N α - (芴-9-基甲氧羰基)丝氨酸(5)和Ô 1 - (2,3- ,4,6-四ö乙酰基β- d -galactopyranosyl)-N α - (芴-9-基甲氧羰基)苏氨酸(6),用于固相合成的糖肽的使用能够得到通过由轻度治疗他们的烯丙基酯含有四(三苯基膦)钯(0)和氢化三丁基锡,且无Fmoc消除或糖裂解或异构化作用。