Conjugated addition of primary nitroalkanes to ,-unsaturated ketones or ,-unsaturated esters, in the presence of two equivalents of DBU, allows the one-pot prepration of -diketones or -keto esters, respectively. When 2-aryl-1-nitroethane derivatives are employed as starting nitroalkanes in the reaction with ,-unsaturated ketones, the one-pot formation of cyclopentenones is observed
One-Pot Synthesis of γ-Diketones, γ-Keto Esters, and Conjugated Cyclopentenones from Nitroalkanes
BALLINI, Roberto;BARBONI, Luciano;BOSICA, Giovanna;FIORINI, Dennis
2002-01-01
Abstract
Conjugated addition of primary nitroalkanes to ,-unsaturated ketones or ,-unsaturated esters, in the presence of two equivalents of DBU, allows the one-pot prepration of -diketones or -keto esters, respectively. When 2-aryl-1-nitroethane derivatives are employed as starting nitroalkanes in the reaction with ,-unsaturated ketones, the one-pot formation of cyclopentenones is observedFile in questo prodotto:
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