Abstract

Bis-(3,5-dimethylphenyl)(( S)-pyrrolidin-2-yl)methanol, easily prepared from l-proline, was found to be an efficient bifunctional organocatalyst, amongst the different 2-pyrrolidinemethanols tested, for the enantioselective Michael addition of malonate esters to nitroolefins. The products were isolated in good to high yields and with up to 56% ee.

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