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Royal Society of Chemistry, Organic and Biomolecular Chemistry, 5(13), p. 1328-1332, 2015

DOI: 10.1039/c4ob02478h

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Asymmetric metal free β-boration of α,β-unsaturated imines assisted by (S)-MeBoPhoz

Journal article published in 2014 by Enrico La Cascia, Xavier Sanz, Carles Bo, Andrew Whiting, Elena Fernandez ORCID, Enrico LaCascia
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The adduct [MeO→Bpin-Bpin]- efficiently mediates the β-boration of α,β-unsaturated imines formed “in situ”. The use of chiral phosphines as additives, and in particular the chiral phosphine (S)-MeBoPhoz, enables the catalytic asymmetric reaction to proceed with higher enantioselectivity than the analogue copper (I) mediated reaction