Murthy, P. S. ; Venkatesan, K. ; Reddy, S. M. ; Kasturi, T. R. (1982) Structure of 2-(2, 6-dimethoxyphenyl)-2, 5-dimethylbicyclo [3.2.1] octane-6, 8-dione Acta Crystallographica Section B: Structural Science, 38 (7). pp. 2055-2057. ISSN 0108-7681
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Official URL: http://scripts.iucr.org/cgi-bin/paper?S05677408820...
Related URL: http://dx.doi.org/10.1107/S0567740882007936
Abstract
C18H2204, orthorhombic, P212121, a = 7.343 (4), b = 11.251 (4), c = 19.357 (4)Å, Z = 4, Dr = 1.20, De = 1.254 g cm-3, F(000) = 648, μ(MoKa) = 0.94 cm-1. X-ray intensity data were collected on a Nonius CAD-4 diffractometer and the structure was solved by direct methods. Full-matrix least-squares refinement gave R = 0.052 (R w = 0.045) for 1053 observed reflections. The stereochemical configuration at C(2) has been shown to be 2-exo-methyl-2-endo-(2,6-dimethoxyphenyl), i.e. (3) in contrast to the structure (2) assigned earlier based on its 1H NMR data.
Item Type: | Article |
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Source: | Copyright of this article belongs to International Union of Crystallography. |
ID Code: | 16079 |
Deposited On: | 15 Nov 2010 14:15 |
Last Modified: | 04 Jun 2011 04:33 |
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