The title compound, C(20)H(17)NO(5), was prepared by the reaction of 3-acetyl-2-oxo-2H-chromen-7-yl acetate with benzyl-oxy-amine. The mol-ecule adopts an E configuration with respect to the C=N double bond. The dihedral angles between the coumarin ring system, the phenyl ring and the C=N-O-C plane of the oxime unit are 35.83 (6), 35.8 (2) and 69.99 (15)°, respectively. In the crystal, a two-dimensional supra-molecular network is assembled through weak inter-molecular C-H⋯O hydrogen-bonding inter-actions.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2983746 | PMC |
| http://dx.doi.org/10.1107/S1600536810003454 | DOI Listing |
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