The asymmetric unit of the title compound, C(20)H(15)N(2)P, contains two independent mol-ecules with similar structures. The 1,5-naphthyridine ring system is nearly planar, with maximum deviations of 0.010 (3) and 0.012 (3) Å; its mean plane is oriented with respect to the two phenyl rings at 79.69 (12) and 84.00 (10)° in one mol-ecule, and at 74.25 (12) and 82.05 (11)° in the other. The two phenyl rings are twisted with respect to each other with a dihedral angle of 75.96 (14)° in one mol-ecule and 86.30 (13)° in the other.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3470369 | PMC |
| http://dx.doi.org/10.1107/S1600536812039992 | DOI Listing |
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