Received 3 April 2011
In the title compound, C20H34NO2P, the P atom has an irregular tetrahedral environment and exhibits Sp chirality. In the crystal, weak intermolecular N-HO and C-HO hydrogen bonds link the molecules into chains extending in .
Data collection: SMART (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: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: CV5071 ).
We acknowledge financial support by the Natural Science Foundation of China (grant No. 20772055).
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