A strong enhancement of the enantiomeric excess can be obtained by performing the enantioselective aldol reaction of Chan's diene in the presence of enantiornerically enriched Ti(O-i-Pr)(4)/BINOL catalysts derived from mixing pre-prepared solutions of enantiopure Ti(O-i-Pr)(4)/(R)-BINOL and Ti(O-i-Pr)(4)/(S)-BINOL at different concentrations.
Pronounced asymmetric amplification in the aldol condensation of Chan's diene promoted by a Ti(IV)/BINOLcomplex
Rosaria Villano;
2004
Abstract
A strong enhancement of the enantiomeric excess can be obtained by performing the enantioselective aldol reaction of Chan's diene in the presence of enantiornerically enriched Ti(O-i-Pr)(4)/BINOL catalysts derived from mixing pre-prepared solutions of enantiopure Ti(O-i-Pr)(4)/(R)-BINOL and Ti(O-i-Pr)(4)/(S)-BINOL at different concentrations.File in questo prodotto:
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