Construction of spirooxindole-fused spiropyrazolones containing contiguous three stereogenic centres <i>via</i> [3 + 2] annulation utilizing a ferrocene derived bifunctional phosphine catalyst
Wenjun Luo, Bingxuan Shao, Jingyi Li, Xiao Xiao, Dingguo Song, Fei Ling, Weihui Zhong
Abstract
Regional and stereoselective construction of spirooxindole-fused spiropyrazolones containing contiguous three stereogenic centres <italic>via</italic> [3 + 2] annulation catalyzed by ferrocene derived bifunctional phosphine.
Topics & Concepts
StereocenterAnnulationBifunctionalPhosphineChemistryFerroceneCatalysisStereoselectivityCombinatorial chemistryStereochemistryOrganic chemistryEnantioselective synthesisElectrochemistryPhysical chemistryElectrodeAsymmetric Synthesis and CatalysisSynthetic Organic Chemistry MethodsAsymmetric Hydrogenation and Catalysis