Photocyclisation of 2-(o-methoxyaroyl)-3-methylcyclohex-2-enones with elimination of the ortho-methoxy-group
Abstract
Irradiation of 2-(o-methoxyaroyl)-3-methyl-cyclohex-2-enones results in a nonoxidative intramolecular cyclisation and simultaneous demethoxylation to give 9-hydroxy-3,4-dihydroanthracen-1(2H)-ones.
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