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A simple and efficient method was developed for the synthesis of 2,2′-arylmethylene dicyclohexane-1,3-dione derivatives via the Knoevenagel–Michael cascade reactions of aromatic aldehydes and 1,3-cyclic diketones catalyzed by “Amano” lipase DF, which expands the application field of enzyme catalytic promiscuity. This protocol provides several advantages over the traditional chemical synthesis, such...
Enzymatic catalytic promiscuity has received increasing attention in the past decade. In this research, ten enzymes were investigated for the promiscuous activity in catalysis of the Michael addition-cyclization cascade reaction of p-nitrobenzalacetone with 1,3-cyclohexanedione to prepare 2-hydroxy-2-methyl-4-(4-nitrophenyl)-3,4,7,8-tetrahydro-2H-chromen-5(6H)-one in anhydrous media, and control experiments...
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