Alcohols immobilization onto 2-chlorotritylchloride resin under microwave irradiation
作者:Luca Rizzi、Katarina Cendic、Nadia Vaiana、Sergio Romeo
DOI:10.1016/j.tetlet.2011.03.113
日期:2011.6
immobilization of alcohols onto 2-chlorotritylchloride resin using microwave irradiation was studied. Three different Fmoc-aminoalcohols were tested: the phenol-like Fmoc-tyramine, the primary alcohol Fmoc-ethanolamine, and the secondary alcohol Fmoc-4-hydroxypiperidine. Several reaction conditions were evaluated: different bases, reaction times, temperatures, and concentrations. Microwave immobilization
研究了用微波辐射将醇固定在2-氯三苯甲基氯树脂上。测试了三种不同的Fmoc-氨基醇:酚样Fmoc-酪胺,伯醇Fmoc-乙醇胺和仲醇Fmoc-4-羟基哌啶。评价了几种反应条件:不同的碱,反应时间,温度和浓度。所产生的微波固定作用在短时间内且不使用有毒和消旋试剂的情况下,可有效地将所有三种类型的醇与树脂结合,其负载量优于或等同于“经典”方法。这种方法的结果对于通过羟基固定FmocTyrOAll,FmocSerOAll和FmocThrOAll也是有用的,这是合成环肽的重要组成部分。