Multicomponent Domino Reaction in the Asymmetric Synthesis of Cyclopentan[c]pyran Core of Iridoid Natural Products
作者:Alejandro Manchado、Victoria Elena Ramos、David Díez、Narciso M. Garrido
DOI:10.3390/molecules25061308
日期:——
The asymmetricsynthesis of a compound with the cyclopentan[c]pyran core of iridoid natural products in four steps and 40% overall yield is reported. Our methodology includes a one-pot tandem domino reaction which provides a trisubstituted cyclopentane with five new completely determined stereocenters, which were determined through 2D homo and heteronuclear NMR and n.O.e. experiments on different compounds
据报道,通过四步不对称合成具有环戊烷 [c] 吡喃核的环烯醚萜类天然产物,总产率为 40%。我们的方法包括一锅串联多米诺反应,该反应提供具有五个新的完全确定的立体中心的三取代环戊烷,这些立体中心是通过 2D 同核和异核 NMR 以及专门为此目的设计的不同化合物的 nOe 实验确定的,例如从二醇。由于它们的药物特性,包括镇静、镇痛、抗炎、中枢神经系统抑制剂或抗受孕作用,这种生产上述环烯醚萜衍生物的方法是新药发现和药物开发的有趣策略。