Stereoselective preparation of indoloquinolizidine N-oxides: Predominant conformations.
作者:Mauri Lounasmaa、Tarja Tamminen
DOI:10.1016/s0040-4020(01)87093-9
日期:1991.1
Stereoselective preparation of indologuinolizidine N-oxides possessing the Nb-oxygen - C(12b)-hydrogen relationship, or at will, is described. Contribution of the different conformations to the conformational equilibrium is studied by 13C NMR spectroscopy, and significance of the Nb-oxygen - C(12b)-hydrogen relationship for the regioselective transformation of indologuinolizidine N-oxides to the corresponding
描述了具有N b-氧-C(12b)-氢关系或随意的吲哚并吲哚并吡啶N-氧化物的立体选择性制备。通过13 C NMR光谱研究了不同构象对构象平衡的贡献,并讨论了N b-氧-C(12b)-氢关系对于吲哚并吲哚并核苷N-氧化物向相应亚胺离子的区域选择性转化的意义。