A highly enantioselective rhodium-catalyzed addition of arylboronic acids to N-tosylarylimines is described, using chiral binaphtholic phosphite and phosphoramidite ligands. The best ee’s (76-99%), associated with moderate to good chemical yields, were obtained with binaphtholic phosphoramidite ligands containing a bulky chiral amine.
Enantioselective Rh-Catalyzed Addition of Arylboronic Acids to N-Tosylarylimines / C. Marelli, C. Monti, C. Gennari, U. Piarulli. - In: SYNLETT. - ISSN 0936-5214. - 2007:14(2007 Aug), pp. 2213-2216. [10.1055/s-2007-985570]
Enantioselective Rh-Catalyzed Addition of Arylboronic Acids to N-Tosylarylimines
C. MontiSecondo
;C. GennariPenultimo
;
2007
Abstract
A highly enantioselective rhodium-catalyzed addition of arylboronic acids to N-tosylarylimines is described, using chiral binaphtholic phosphite and phosphoramidite ligands. The best ee’s (76-99%), associated with moderate to good chemical yields, were obtained with binaphtholic phosphoramidite ligands containing a bulky chiral amine.
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