Asymmetric Hydroformylation of Olefins Catalyzed by a Chiral Diphosphite-Rhodium Complex-中国Betway体育网页登陆

摘要 AC2-symmetricalaryldiphosphitederivedfromchiralbinaphtholwaspreparedanditsrhodiumcomplexwasusedascatalystsintheasymmetrichydroformylationofolefins.Highcatalyticactivityandgoodregioselectivitywereobserved.Upto31.2%eeand38.1%eewereachievedforthehydroformylationof4-fluoro-styreneandvinylacetaterespectively.Theinfluencesofligand-to-metalratio,reactiontemperatureandthepressureofsyn-gasontheenantioselectivityandregioselectivitywerealsostudied.

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Asymmetric Hydroformylation of Olefins Catalyzed by a Chiral Diphosphite-Rhodium Complex

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