2-tert-Butylimino-2-diethylamino-1,3-dimethylperhydro-1,3,2-diazaphosphorine anchored on polystyrene (PS-BEMP) catalyzed the addition of nitroalkanes to α,β-unsaturated carbonyl compounds. Thus, Michael addition of nitromethane to α,β-unsaturated carbonyl compounds was carried out with 5 mol% of PS-BEMP under solvent-free conditions to give the corresponding γ-nitro compounds in 76-95% yield (14 examples)
PS-BEMP-Catalyzed Michael Addition
CASTRICA, Luca;FRINGUELLI, Francesco;LANARI, DANIELA;PIZZO, Ferdinando;VACCARO, Luigi;
2008
Abstract
2-tert-Butylimino-2-diethylamino-1,3-dimethylperhydro-1,3,2-diazaphosphorine anchored on polystyrene (PS-BEMP) catalyzed the addition of nitroalkanes to α,β-unsaturated carbonyl compounds. Thus, Michael addition of nitromethane to α,β-unsaturated carbonyl compounds was carried out with 5 mol% of PS-BEMP under solvent-free conditions to give the corresponding γ-nitro compounds in 76-95% yield (14 examples)File in questo prodotto:
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