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DOI | 10.4067/S0717-97072018000304086 | ||||||
Año | 2018 | ||||||
Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
In this paper we report the absolute configuration which has been determined from the refinement of the Flack parameter, x = 0.05(5), which indicate that the correct configuration had been assigned against 1353 (99%) CuKa Bijvoet pairs. On this basis the absolute configuration was assigned as C5R, C8S, C9R and C10S. The structure of 18-acetoxy-cis-cleroda-3,13E-dien-15-oic acid consists of a clerodane skeleton and the corresponding methyl groups are alpha-oriented (C8, C9) while C5 is beta-oriented. The acidic lateral chain is beta-oriented and the double bond between C13 and C14 has E isomeric. The ciclohexene, cyclohexane rings are cis fused, and in an sofa and chair conformation respectively. In the crystal the molecules are linked by one intermolecular O-H center dot center dot center dot O hydrogen bond forming 1D-dimensional chain with distance donor-acceptor of 2.060(6)angstrom with graph-set notation C-1(1)(15).
Ord. | Autor | Género | Institución - País |
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1 | Brito, Ivan | Hombre |
Universidad de Antofagasta - Chile
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2 | BORQUEZ-RAMIREZ, JORGE PATRICIO | Hombre |
Universidad de Antofagasta - Chile
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3 | Robledo, Diego | Hombre |
Universidad de Antofagasta - Chile
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4 | Simirgiotis, Mario J. | Hombre |
Universidad Austral de Chile - Chile
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5 | CARDENAS-OYARZO, ARELI MARLY | Hombre |
Universidad de Antofagasta - Chile
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Fuente |
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FONDECYT |
FONDEQUIP |
Fondequip Program |
Fondo Nacional de Desarrollo Científico y Tecnológico |
FONDECYT (Chile) |
Fondo Nacional de Desarrollo CientÃfico y Tecnológico |
Agradecimiento |
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IB acknowledgment Fondequip Program (Grant EQM130021) for the funding to purchase Single Crystal X-ray Diffractometer. JB & MS thanks FONDECYT (Chile) (Grant 1180059) and Fondequip (EQM140002) for financial support. |
IB acknowledgment Fondequip Program (Grant EQM130021) for the funding to purchase Single Crystal X-ray Diffractometer. JB & MS thanks FONDECYT (Chile) (Grant 1180059) and Fondequip (EQM140002) for financial support. |
IB acknowledgment Fondequip Program (Grant EQM130021) for the funding to purchase Single Crystal X-ray Diffractometer. JB & MS thanks FONDECYT (Chile) (Grant 1180059) and Fondequip (EQM140002) for financial support. |