Enantiopure isothiourea@carbon-based support: stacking interactions for recycling a lewis base in asymmetric catalysis
Yu‐Chao Yuan, Mariam Abd El Sater, Mohamed Mellah, Nada Jaber, Olivier David, Emmanuelle Schulz
Abstract
An enantiopure isothiourea (hyperBTM) was functionalized by a pyrene moiety via click chemistry; immobilized on reduced Graphene Oxide, this recyclable chiral organocatalyst promotes formal [3+2] cycloaddition of ammonium enolates with oxaziridines.
Topics & Concepts
Enantiopure drugChemistryMoietyCycloadditionCatalysisStackingCombinatorial chemistryPyreneEnantioselective synthesisLewis acids and basesOrganic chemistryAmmoniumClick chemistryAsymmetric Synthesis and CatalysisSynthesis and Catalytic ReactionsAsymmetric Hydrogenation and Catalysis