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Structure of 1 lct-Hydroxyeon-1,4,18-trienine-3-one

Radhakrishnan, R and Viswamitra, MA and Bhutani, KK and Ali, M (1988) Structure of 1 lct-Hydroxyeon-1,4,18-trienine-3-one. In: Acta Crystallographica Section C, 44 . pp. 1462-1464.

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Abstract

C21H27NO2, Mr=325.5 , orthorhombic,P21212,, a = 7.516 (2), b = 13.430 (2), c =18.047 (2) A, U= 1821.79 A 3, Z = 4, D x =1.186 Mg m -a, 2(Cu Ka) = 1.5418 A, # = 0.56 mm -1, F(000) = 704, T= 293 K, final R = 0.04 for 1892 reflections with I _> 3a(I). Ring A is planar, and rings B and C adopt a chair conformation. Rings D and E are envelopes, with C(14) and C(17) displaced from their respective planes by 0.643 (3) and 0.482 (3)A. The ring system A/B shows quasi-trans fusion, whilst ring systems B/C and C/D are trans fused about C(8)-C(9) and C(13)-C(14) respectively. The D/E junction shows cis fusion.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to International Union of Crystallography.
Department/Centre: Division of Biological Sciences > Microbiology & Cell Biology
Division of Biological Sciences > Molecular Reproduction, Development & Genetics (formed by the merger of DBGL and CRBME)
Division of Physical & Mathematical Sciences > Physics
Date Deposited: 11 Oct 2010 08:30
Last Modified: 11 Oct 2010 08:30
URI: http://eprints.iisc.ernet.in/id/eprint/32949

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