Direct asymmetric aldol-Tishchenko reaction of aliphatic ketones catalyzed by syn-aminoalcohol–Yb(iii) complexes

Literature Information

Publication Date 2005-08-30
DOI 10.1039/B509505K
Impact Factor 6.222
Authors

Jacek Mlynarski, Joanna Jankowska, Bartosz Rakiel


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Abstract

The asymmetric direct aldol condensation of aldehydes with ethyl- and propylketones is catalyzed by syn-α-aminoalcohol–Yb(OTf)3 complexes, yielding the anti-1,3-diol monoesters with high diastereocontrol and good enantioselectivity. Three adjacent stereogenic centers are created in a simultaneous aldol condensation and Evans–Tishchenko reduction in an acyclic system.

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