Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 5 (May 2013)

organic compounds

Acta Cryst. (2013). E69, o715    [ doi:10.1107/S1600536813009380 ]


C. Niu, Y. Q. Liu, Y. W. He and H. A. Aisa

Abstract: The title compound, C19H20O6, consists of a tetra­substituted benzene ring with one substituent being an [alpha],[beta]-unsaturated cinnamoyl group, which forms an extended conjugated system in the mol­ecule. In addition, two meth­oxy­meth­oxy and one hy­droxy group are bonded to the central benzene ring. The dihedral angle between eh rings is 10.22 (10)°. An intra­molecular hydrogen bond is observed between the hy­droxy group and the carbonyl O atom. One of the meth­oxy­meth­oxy substituents is conformationally disordered over two sets of sites with site-occupation factors of 0.831 (3) and 0.169 (3).

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