A Definitive Synthesis ofD-myo-Inositol 1,4,5,6-Tetrakisphosphate and Its EnantiomerD-myo-Inositol 3,4,5,6-Tetrakisphosphate from a Novel Butane-2,3-diacetal-Protected Inositol
作者:Stephen J. Mills、Andrew M. Riley、Changsheng Liu、Mary F. Mahon、Barry V. L. Potter
DOI:10.1002/chem.200305207
日期:2003.12.15
rapid syntheses of the enantiomeric intracellular signalling molecules d-myo-inositol 1,4,5,6-tetrakisphosphate (1 a) and D-myo-inositol 3,4,5,6-tetrakisphosphate (1 b) are described. The synthetic strategy employs the novel butane-2,3-diacetal-protected (BDA-protected) myo-inositol (+/-)-3 ab, directly accessible from myo-inositol on a large scale, and an optical resolution with diastereoisomeric (R
描述了对映体细胞内信号分子d-肌醇1,4,5,6-四磷酸(1a)和D-肌醇3,4,5,6-四磷酸(1b)的快速合成。合成策略采用新型的丁烷2,3-二缩醛保护的(BDA保护的)肌醇(+/-)-3 ab,可直接从肌醇直接大规模获得,并具有非对映异构体( R)-(-)-乙酰扁桃酸酯。还展示了(+/-)-4的X射线晶体结构,这是肌醇与丁二酮发生酸催化反应的不寻常副产物,并且通过转化成1a和1b的绝对构型来确定其绝对构型。关键的前体分别为(+)-冰片糖醇和L-艾杜糖醇六乙酸酯。与天然多磷酸盐相比,证实了合成物1b的生物活性。