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Volume 68 
Part 12 
Page o3348  
December 2012  

Received 27 October 2012
Accepted 7 November 2012
Online 14 November 2012

Key indicators
Single-crystal X-ray study
T = 193 K
Mean [sigma](C-C) = 0.002 Å
R = 0.042
wR = 0.126
Data-to-parameter ratio = 15.0
Details
Open access

{2,7-Dimethoxy-8-[4-(2-methylpropyl)benzoyl]naphthalen-1-yl}[4-(2-methylpropyl)phenyl]methanone

aDepartment of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture & Technology, Koganei, Tokyo 184-8588, Japan
Correspondence e-mail: aokamoto@cc.tuat.ac.jp

In the molecule of the title compound, C34H36O4, the two 4-isobutylbenzoyl groups at the 1- and 8-positions of the naphthalene ring system are aligned almost antiparallel, and the benzene rings make a dihedral angle of 21.59 (7)°. The dihedral angles between the benzene rings and the naphthalene ring system are 69.26 (6) and 64.29 (5)°. There are no classical hydrogen bonds in the structure, but inversion-related molecules engage in [pi]-[pi] stacking, with an interplanar spacing between related naphthalene groups of 3.4120 (16) Å.

Related literature

For details of the formation reaction of aroylated naphthalene compounds via electrophilic aromatic substitution of naphthalene derivatives, see: Okamoto & Yonezawa (2009[Okamoto, A. & Yonezawa, N. (2009). Chem. Lett. 38, 914-915.]); Okamoto et al. (2011[Okamoto, A., Mitsui, R., Oike, H. & Yonezawa, N. (2011). Chem. Lett. 40, 1283-1284.]). For the structures of closely related compounds, see: Hijikata et al. (2010[Hijikata, D., Takada, T., Nagasawa, A., Okamoto, A. & Yonezawa, N. (2010). Acta Cryst. E66, o2902-o2903.]); Muto et al. (2010[Muto, T., Kato, Y., Nagasawa, A., Okamoto, A. & Yonezawa, N. (2010). Acta Cryst. E66, o2752.]); Sasagawa, Hijikata et al. (2011[Sasagawa, K., Hijikata, D., Okamoto, A., Oike, H. & Yonezawa, N. (2011). Acta Cryst. E67, o2119.]); Sasagawa, Muto et al. (2011[Sasagawa, K., Muto, T., Okamoto, A., Oike, H. & Yonezawa, N. (2011). Acta Cryst. E67, o3354.]); Sasagawa et al. (2012[Sasagawa, K., Hijikata, D., Sakamoto, R., Okamoto, A. & Yonezawa, N. (2012). Acta Cryst. E68, o2596.]).

[Scheme 1]

Experimental

Crystal data
  • C34H36O4

  • Mr = 508.63

  • Monoclinic, P 21 /c

  • a = 18.5280 (4) Å

  • b = 7.83885 (15) Å

  • c = 20.2304 (4) Å

  • [beta] = 103.642 (1)°

  • V = 2855.33 (10) Å3

  • Z = 4

  • Cu K[alpha] radiation

  • [mu] = 0.60 mm-1

  • T = 193 K

  • 0.60 × 0.40 × 0.05 mm

Data collection
  • Rigaku R-AXIS RAPID diffractometer

  • Absorption correction: numerical (NUMABS; Higashi, 1999[Higashi, T. (1999). NUMABS. Rigaku Corporation, Tokyo, Japan.]) Tmin = 0.714, Tmax = 0.971

  • 50913 measured reflections

  • 5237 independent reflections

  • 3838 reflections with I > 2[sigma](I)

  • Rint = 0.052

Refinement
  • R[F2 > 2[sigma](F2)] = 0.042

  • wR(F2) = 0.126

  • S = 1.12

  • 5237 reflections

  • 350 parameters

  • H-atom parameters constrained

  • [Delta][rho]max = 0.17 e Å-3

  • [Delta][rho]min = -0.15 e Å-3

Data collection: PROCESS-AUTO (Rigaku, 1998[Rigaku (1998). PROCESS-AUTO. Rigaku Corporation, Tokyo, Japan.]); cell refinement: PROCESS-AUTO; data reduction: PROCESS-AUTO; program(s) used to solve structure: SIR2004 (Burla et al., 2005[Burla, M. C., Caliandro, R., Camalli, M., Carrozzini, B., Cascarano, G. L., De Caro, L., Giacovazzo, C., Polidori, G. & Spagna, R. (2005). J. Appl. Cryst. 38, 381-388.]); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); molecular graphics: ORTEPIII (Burnett & Johnson, 1996[Burnett, M. N. & Johnson, C. K. (1996). ORTEPIII. Report ORNL-6895. Oak Ridgeational Laboratory, Tennessee, USA.]); software used to prepare material for publication: SHELXL97.


Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: PK2455 ).


Acknowledgements

The authors express their gratitude to Professor Keiichi Noguchi, Instrumentation Analysis Center, Tokyo University of Agriculture and Technology, for technical advice. This work was partially supported by a Sasagawa Scientific Research Grant from the Japan Science Society.

References

Burla, M. C., Caliandro, R., Camalli, M., Carrozzini, B., Cascarano, G. L., De Caro, L., Giacovazzo, C., Polidori, G. & Spagna, R. (2005). J. Appl. Cryst. 38, 381-388.  [ISI] [CrossRef] [ChemPort] [details]
Burnett, M. N. & Johnson, C. K. (1996). ORTEPIII. Report ORNL-6895. Oak Ridgeational Laboratory, Tennessee, USA.
Higashi, T. (1999). NUMABS. Rigaku Corporation, Tokyo, Japan.
Hijikata, D., Takada, T., Nagasawa, A., Okamoto, A. & Yonezawa, N. (2010). Acta Cryst. E66, o2902-o2903.  [CSD] [CrossRef] [details]
Muto, T., Kato, Y., Nagasawa, A., Okamoto, A. & Yonezawa, N. (2010). Acta Cryst. E66, o2752.  [CSD] [CrossRef] [details]
Okamoto, A., Mitsui, R., Oike, H. & Yonezawa, N. (2011). Chem. Lett. 40, 1283-1284.  [ISI] [CrossRef] [ChemPort]
Okamoto, A. & Yonezawa, N. (2009). Chem. Lett. 38, 914-915.  [ISI] [CrossRef] [ChemPort]
Rigaku (1998). PROCESS-AUTO. Rigaku Corporation, Tokyo, Japan.
Sasagawa, K., Hijikata, D., Okamoto, A., Oike, H. & Yonezawa, N. (2011). Acta Cryst. E67, o2119.  [CSD] [CrossRef] [details]
Sasagawa, K., Hijikata, D., Sakamoto, R., Okamoto, A. & Yonezawa, N. (2012). Acta Cryst. E68, o2596.  [CSD] [CrossRef] [details]
Sasagawa, K., Muto, T., Okamoto, A., Oike, H. & Yonezawa, N. (2011). Acta Cryst. E67, o3354.  [CSD] [CrossRef] [details]
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.  [CrossRef] [details]


Acta Cryst (2012). E68, o3348  [ doi:10.1107/S1600536812045953 ]

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