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Org Lett. 2005 Mar 31;7(7):1403-6. doi: 10.1021/ol050244u.

Stereoselective synthesis of alpha-silylamines by the direct addition of silyl anions to activated imines.

Organic letters

David M Ballweg, Rebecca C Miller, Danielle L Gray, Karl A Scheidt

Affiliations

  1. Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, USA.

PMID: 15787517 DOI: 10.1021/ol050244u

Abstract

[reaction: see text] A highly efficient stereoselective synthesis of unusual alpha-silylamines via a direct silyl anion addition reaction is reported. This approach is convergent and avoids any problematic aza-Brook shifts of the anionic intermediates. The use of enantiopure tert-butanesulfinyl imines as the electrophiles affords exceedingly high levels of diastereocontrol for the newly formed stereogenic carbon.

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