Abstract
Condensation reactions of aromatic aldehydes with acetone for carbon–carbon bond formation are catalysed by magnesium carboxylate complexes. Two magnesium complexes having compositions [(4-NO 2-C 6H 4CO 2) 2Mg(CH 3OH) 4] ( 1) and [(4-CH 3-C 6H 4CO 2) 2Mg(CH 3OH) 2(H 2O) 2] ( 2) that are catalysts for such reactions are synthesized. They are prepared by reacting metallic magnesium with methanol in the presence of 4-nitrobenzoic acid and 4-methylbenzoic acid, respectively. Structures of 1 and 2 are determined by X-ray crystallography. The catalytic reactions of these two complexes for carbon–carbon bond formation reactions of various aromatic aldehydes with acetone are presented.
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