Received 28 December 2009
The molecules of the title compound, C27H28O2, exhibit axial chirality. The planes of the aromatic rings of the tetralin ring systems make an angle of 85.72 (11)°. The non-aromatic rings adopt distorted half-chair conformations. In one of them, two C atoms of the four-atom aliphatic chain are disordered over two sites in a 0.75 (2):0.25 (2) ratio. The substituent phenyl ring is also disordered over two positions in a 0.59 (3):0.41 (3) ratio. There are no conventional hydrogen bonds joining the molecules.
For the use of 1,1'-binaphthyl-2,2'-diol in asymmetric synthesis, see: Brunel (2005) Nájera et al. (2009). For the catalytic properties of related compounds, see: Zhang et al. (1997); Reetz et al. (1997); Chan et al. (1997); Waltz et al. (2004). For the synthetic procedure, see: Carrilho et al. (2009); Abreu et al. (2010).
Data collection: SMART (Bruker, 2003); cell refinement: SAINT (Bruker, 2003); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEPII (Johnson, 1976); software used to prepare material for publication: SHELXL97.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: OM2312 ).
This work was supported by the Fundação para a Ciência e a Tecnologia (FCT) through project PTDC/QUI/66015/2006 and Merquinsa (Barcelona, Spain). ARA also thanks the FCT for a PhD grant (SFRH/BD/21314/2005).
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