Received 4 May 2011
The title compound, C9H22NOP, was obtained by slow diffusion of oxygen into a toluene solution of iPr2PNHiPr. In the crystal, an intermolecular N-HO hydrogen bond occurs.
For the synthesis of the starting compound (iPr)2PNHiPr, see: Kuchen et al. (1990). For a similar synthesis of the title compound, see: Brück et al. (1995). For similar structures of R2P(O)NHR in which the P atom has at least one attached alkyl substituent, see: Burns et al. (1997); Denmark & Dorow (2002); Kolodiazhnyi et al. (2003); Francesco et al. (2010).
Data collection: X-AREA (Stoe & Cie, 2005); cell refinement: X-AREA; data reduction: X-AREA; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: XP in SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXL97.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: YK2008 ).
This work was supported by the Leibniz-Institut für Katalyse e. V. an der Universität Rostock.
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