Enantioselective Equilibration−Access to Chiral Aldol Adducts of Mandelic Acid Esters
作者:Stefan Scholtis、Andreas Ide、Rainer Mahrwald
DOI:10.1021/ol062252w
日期:2006.11.9
[Structure: see text] Syn-configured aldol products of mandelic acid esters and aldehydes were synthesized by the catalytic use of amines in the presence of titanium(IV) tert-butoxide. Used along with chiral N-methylephedrine, anti-configured alpha,beta-dihydroxyesters were isolated with a high degree of enantioselectivity for the first time.