The 293 K structure of tetradehydrohaliclonacyclamine A

Mudianta, I. W., Garson, M. J. and Bernhardt, P. V. (2010) The 293 K structure of tetradehydrohaliclonacyclamine A. Acta Crystallographica Section C: Crystal Structure Communications, 66 4: O176-O178. doi:10.1107/S0108270110004634

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Author Mudianta, I. W.
Garson, M. J.
Bernhardt, P. V.
Title The 293 K structure of tetradehydrohaliclonacyclamine A
Journal name Acta Crystallographica Section C: Crystal Structure Communications   Check publisher's open access policy
ISSN 0108-2701
Publication date 2010-04
Sub-type Article (original research)
DOI 10.1107/S0108270110004634
Open Access Status File (Publisher version)
Volume 66
Issue 4
Start page O176
End page O178
Total pages 3
Place of publication Malden, MA, United States
Publisher Wiley-Blackwell Publishing
Collection year 2011
Language eng
Formatted abstract
The polycyclic title compound {systematic name: (1S,16S,17S,31S)-3,20- diaza-tetra-cyclo-[15.15.01,17.13,31.116,20] tetra-tria-conta-6,8,23,25-tetra-ene}, C32H52N 2, has recently been isolated and characterized structurally, in solution by NMR spectroscopy and in the solid state by X-ray crystallography. At 130 K the structure is monoclinic (P21, Z = 4) and comprises two mol-ecules in the asymmetric unit with distinctly different conformations in the twelve-C-atom bridging chains. We report that, at 250 K, a phase change from monoclinic to ortho-rhom-bic (P22121, Z = 4) occurs. The higher-temperature phase is structurally characterized herein at 293 K. The two different conformers resolved in the monoclinic low-temperature form merge to give a single disordered mol-ecule in the asymmetric unit of the high-temperature phase. © 2010 International Union of Crystallography.
Keyword Sponge halicona SP
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2011 Collection
School of Chemistry and Molecular Biosciences
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Created: Sun, 25 Apr 2010, 00:07:10 EST