Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn¡¯t involve a screen. 23190-16-1, C6H5CH(NH2)CH(C6H5)OH. A document type is Article, introducing its new discovery., name: (1R,2S)-(?)-2-Amino-1,2-diphenylethanol
Self-assembled ion-pair organocatalysis – Asymmetric Baeyer-Villiger oxidation mediated by flavinium-cinchona alkaloid dimer
An ion-pair catalyst generated by assembly of a chiral flavinium and a cinchona alkaloid dimer for use in asymmetric Baeyer-Villiger oxidation is presented. Ion-pair formation is essential for enhancing the catalytic activity and stereoselectivity. The catalyst is applicable to structurally diverse 3-substituted cyclobutanones, providing good to excellent enantioselectivities (up to 98: 2 e.r.). This study provides the first example of self-assembly of a flavin derivative and a base to form a chiral reaction site that enables a highly stereoselective reaction to occur.
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Reference£º
Chiral Catalysts,
Chiral catalysts – SlideShare