Enantioselective epoxidation of alpha,beta-enones promoted by alpha,alpha-diphenyl-L-prolinol as bifunctional organocatalyst |
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Authors: | Lattanzi Alessandra |
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Institution: | Dipartimento di Chimica, Università di Salerno, Via S. Allende, I-84081 Baronissi, Salerno, Italy. lattanzi@unisa.it |
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Abstract: | reaction: see text] An operationally simple and mild protocol for the catalytic enantioselective epoxidation of alpha,beta-unsaturated ketones has been estabilished using commercially available alpha,alpha-diphenyl-l-prolinol as bifunctional organocatalyst and tert-butyl hydroperoxide (TBHP) as oxidant. The epoxides have been obtained in good yields and with up to 80% ee. |
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