Stereoselective hydride uptake in modelsystems related to the redox-couple nad+/nadh
作者:P.M.T. de Kok、M.C.A. Donkersloot、P.M. van Lier、G.H.W.M. Meulendijks、L.A.M. Bastiaansen、H.J.G. van Hooff、J.A. Kanters、H.M. Buck
DOI:10.1016/s0040-4020(01)87502-5
日期:1986.1
of the hydride transfer reactions concerning the redox couple NAD+/NADH. Based on the theoretical and experimental investigatins of NAD(H) model compounds as 3-carbamoyl pyridinium cations (3-carbamoyl-1,4-dihydropyridine) it was found that the out-of-plane rotation of the carbonyl function controls the stereo-and regiospecificity of the introduced hydride anion. It was found that the hydride anion
本工作涉及有关氧化还原对NAD +的氢化物转移反应的机理研究。/ NADH。根据NAD(H)模型化合物作为3-氨基甲酰基吡啶鎓阳离子(3-氨基甲酰基-1,4-二氢吡啶)的理论和实验研究,发现羰基官能团的平面外旋转控制了立体和所引入的氢化物阴离子的区域特异性。已经发现,在反应中转移的氢化物阴离子总是相对于羰基是同位的。独特的立体选择性与NAD键合的马肝醇脱氢酶三元复合物的最新晶体学3D数据具有很强的一致性。结果表明,酰胺基与平面成30°角,羰基指向A侧。