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BF3.SiO2: An Efficient Heterogeneous Alternative for Regio-Chemo and Stereoselective Claisen-Schmidt Condensation

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Under solvent free conditions between 40-50 ؛C, BF3.SiO2, a mild solid acid catalyst, is applied to regio-chemo and stereoselective Claisen-Schmidt condensation. The procedure is very simple and the products are isolated with an easy workup in good to excellent yields.

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