Unambiguous Total Synthesis of the Enantiomers of myo-Inositol 1,3,4-Trisphosphate: 1L-myo-Inositol 1,3,4-Trisphosphate Mobilizes Intracellular Ca2+ in Limulus Photoreceptors
作者:Andrew M. Riley、Richard Payne、Barry V. L. Potter
DOI:10.1021/jm00049a011
日期:1994.11
trisphosphite triester. Oxidation using tert-butyl hydroperoxide gave 2,5,6-tri-O-benzyl-1,3,4-tris(dibenzylphospho)-myo-inositol, and deprotection using sodium in liquid ammonia gave racemic myo-inositol 1,3,4-trisphosphate. Deprotection of the key intermediate 1,4-di-O-allyl-2,5,6-tri-O-benzyl-3-O-(p-methoxybenzyl)-myo-inositol by isomerization of allyl groups followed by mild acid hydrolysis gave 2,4,5
描述了肌醇1,3,4-三磷酸肌醇的对映体的合成。将1,4-二-O-烯丙基-肌醇在3-位区域选择性对甲氧基苄基化,得到1,4-二-O-烯丙基-3-O-(对甲氧基苄基)-肌醇,然后剩余的游离羟基被苄基化,得到关键中间体1,4-二-O-烯丙基-2,5,6-三-O-苄基-3-O-(对甲氧基苄基)-肌醇。除去对甲氧基苄基和烯丙基,得到2,4,5-三-O-苄基-肌醇,将其用双(苄氧基)(二异丙基氨基)膦磷酸化,得到完全保护的三亚磷酸三酯。用叔丁基过氧化氢氧化得到2,5,6-三-O-苄基-1,3,4-三(二苄基膦基)-肌醇,用钠在液态氨中脱保护得到外消旋肌醇1,3, 4-三磷酸酯。关键中间体1,4-di-O-allyl-2,5的脱保护