A novel manganese(III) acetate mediated reaction between 2-benzoyl-1,4-naphthoquinones and 1,3-dicarbonyl compounds |
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| Authors: | Lin Chien-Yu Cheng Yu-Chih Tsai An-I Chuang Che-Ping |
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| Institution: | Department of Chemistry, National Cheng Kung University, Tainan, Taiwan, 70101, Republic of China. |
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| Abstract: | A manganese(III)-mediated reaction between 2-benzoyl-1,4-naphthoquinones and 1,3-dicarbonyl compounds is described. This reaction provides an effective method for the synthesis of naphtho2,3-c]furan-4,9-diones and naphthacene-5,12-diones, and it shows fair to high chemoselectivity depending on the electronic effect of the benzoyl group substituent on the reactants. With ethyl benzoylacetate and 1,3-diketones, the novel naphtho2,3-c]furan-4,9-diones were produced effectively with high selectivity. |
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