Ba(OH)2 as catalyst in organic reactions : Part XVI-Contribution to the study of the michael addition mechanism to chalcone in interfacial solid-liquid conditions
作者： M. Iglesias , J.M. Marinas , J.V. Sinisterra
DOI: 10.1016/S0040-4020(01)86819-8
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摘要: Abstract The Michael addition of several active methylene compounds to chal-cone, catalyzed in interfacial solid-liquid conditions is described.The mecha -nism the process analyzed using diethyl malonate chalcone as reaction test. Several microcrystalline barium hydroxide ca-talysts are tested.The nature solid catalyst sites taking part discussed. presence adsorbed carbanion from malo-nate-on strong basic site solid-is shown by IR spectroscopy. A Me-rifield resin used prove that takes place on sur-face.
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