Polystyrene-supported chiral 2,2'-methylenebis[(4S)-4-tertbutyl- 2-oxazoline] is a promising heterogeneous catalyst for the enantioselective Henry reaction of nitromethane with substituted benzaldehydes. The process is carried out in ethanol as a green solvent, and the corresponding chiral β-nitroalcohols are obtained in 56–95% yield with 49–88%ee.
Heterogeneous Bisoxazoline/Copper Complex: A Green Catalyst for the Enantioselective Reaction of Nitromethane with Substituted Benzaldehydes
LANARI, DANIELA;VACCARO, Luigi
2011
Abstract
Polystyrene-supported chiral 2,2'-methylenebis[(4S)-4-tertbutyl- 2-oxazoline] is a promising heterogeneous catalyst for the enantioselective Henry reaction of nitromethane with substituted benzaldehydes. The process is carried out in ethanol as a green solvent, and the corresponding chiral β-nitroalcohols are obtained in 56–95% yield with 49–88%ee.File in questo prodotto:
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