Preparation of pseudo-arsonolipids: 2-acyloxypropane-1,3-bis(arsonic acids). The crystal structure of 2-hydroxypropane-1,3-bis(arsonic acid)
作者:Aris Terzis、Panayiotis V. Ioannou
DOI:10.1016/s0009-3084(02)00030-0
日期:2002.8
2-hydroxypropane-1,3-bis(arsonic acid) (7), a key compound for the synthesis of pseudo-arsonolipids and more complex arsinolipids. Through a series of reduction to -As(SPh)(2), acylation, and oxidation to -AsO(3)H(2), pseudo-arsonolipids, i.e. 2-acyloxypropane-1,3-bis(arsonic acids), were obtained. These pseudo-lipids are very sensitive to bases, being de-acylated. The bis(arsonic acid) (7) crystallizes in
表卤代醇与碱性亚砷酸酯反应可产生非常高的收率2-羟基丙烷-1,3-双(砷酸)(7),这是合成拟砷脂和更复杂的砷脂的关键化合物。通过一系列还原成-As(SPh)(2),酰化和氧化成-AsO(3)H(2),得到了假性son脂,即2-酰氧基丙烷-1,3-双(3-酸)获得。这些伪脂质对碱基非常敏感,被去酰化。双(砷酸)(7)在正交晶空间群P2(1)2(1)2(1)中结晶,晶胞常数a = 6.911(3),b = 17.496(8),c = 7.002(3 A.两个砷原子基本上都是四面体,与三个氧和一个碳键合。所有氢原子均已定位。没有分子内而是仅涉及所有As = O,As-OH和C-OH基团的分子间氢键。