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Abstract
The title compound, C21H18O7, is an important intermediate in the synthesis of 3-(4-hydroxyphenyl)-4-methyl-6-methoxy-7-hydroxycoumarin, which is a nonsteroidal analogue of 2-methoxyestradiol (2-ME). The substituent benzene ring is not in the same plane as the coumarin ring system, with a dihedral angle of 66.88 (10)°. There are some weak intermolecular C—H⋯O interactions. One carbonyl O atom is disordered over two sites, with occupancies of 0.6 and 0.4.
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