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Vinylogous aldol products from chiral crotylsilanes obtained by enantioselective Rh(II) and Cu(I) carbenoid Si-H insertion.


ABSTRACT: Enantioenriched homoallylic ethers containing a alpha,beta-unsaturated ester (syn-vinylogous aldol products) were directly accessed by Lewis acid catalyzed crotylation utilizing chiral silane 2. The reagents were prepared by enantioselective Si-H insertion to an alpha-diazovinylacetates using Davies' Rh(2)(DOSP)(4) catalyst or chiral Cu(I) Schiff base complex.

SUBMITTER: Wu J 

PROVIDER: S-EPMC3164278 | BioStudies | 2010-01-01

REPOSITORIES: biostudies

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