Received 16 May 2013
In the title spiro-phosphazene derivative, C33H46N9OP3, the phosphazene and six-membered N/O rings are in flattened chair and twisted-boat conformations, respectively. The naphthalene ring system and the pyridine ring are oriented at a dihedral angle of 41.82 (4)°. In the crystal, weak C-HO hydrogen bonds link the molecules related by translation along the a axis into chains. C-H interactions aggregate these chains into layers parallel to the ab plane.
For N/O-donor-type bifunctional reagents used for the reaction of hexachlorocyclotriphosphazene giving spiro derivatives, see: Besli et al. (2007); Isiklan et al. (2010, 2013). For bond-length data, see: Allen et al. (1987). For the standard compound, N3P3Cl6, see: Bullen (1971). For ring puckering parameters, see: Cremer & Pople (1975).
Data collection: APEX2 (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for publication: WinGX (Farrugia, 2012) and PLATON (Spek, 2009).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: CV5414 ).
The authors are indebted to Anadolu University and the Medicinal Plants and Medicine Research Centre of Anadolu University, Eskisehir, Turkey, for the use of X-ray diffractometer. The authors gratefully acknowledge the Kirikkale University Scientific Research Projects Coordination Unit (grant No. 2009/42), the Scientific and Technical Research Council of Turkey, TÜBITAK (grant No. 106 T503) and the Hacettepe University Scientific Research Unit (grant No. 02 02 602 002) for financial support.
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