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Acta Cryst. (2013). E69, o1824
[ doi:10.1107/S1600536813031541 ]

Diethyl [4-(2,2':6',2''-terpyridine-4'-yl)phen­yl]phospho­nate

J. Chyba, M. Necas and J. Pinkas

Abstract: The title compound, C25H24N3O3P, was obtained by catalytic phospho­nation of 4'-(4-bromphen­yl)-2,2':6',2''-terpyridine. The terpyridine moiety is nearly planar, the dihedral angles between the central and the outer rings being 4.06 (9) and 5.39 (9)°. The N atoms in the two pyridine rings are oriented nearly anti­periplanar to that of the central ring. The benzene ring is rotated out of the plane of the central ring of the terpyridine unit by 34.65 (6)°.


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