ABSOLUTE CONFIGURATION OF MULINOLIC ACID

ABSTRACT The structure of this mulinolic acid consists of a mulinane skeleton and the corresponding isopropyl, methyl, carboxyl and methyl groups at C3, C8, C5, C13, respectively, which are β-oriented, whereas the hydroxyl group at C13 is α-oriented. The cyclopentane (A), ciclohexa...

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Autores principales: BRITO,IVÁN, BORQUEZ,JORGE, HUAROTE,EMILY, LOYOLA,LUIS, CÁRDENAS,ALEJANDRO, SIMIRGIOTIS,MARIO
Lenguaje:English
Publicado: Sociedad Chilena de Química 2017
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072017000303658
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spelling oai:scielo:S0717-970720170003036582017-09-08ABSOLUTE CONFIGURATION OF MULINOLIC ACIDBRITO,IVÁNBORQUEZ,JORGEHUAROTE,EMILYLOYOLA,LUISCÁRDENAS,ALEJANDROSIMIRGIOTIS,MARIO absolute configuration diterpenoid X-ray diffraction crystal and supramolecular structure ABSTRACT The structure of this mulinolic acid consists of a mulinane skeleton and the corresponding isopropyl, methyl, carboxyl and methyl groups at C3, C8, C5, C13, respectively, which are β-oriented, whereas the hydroxyl group at C13 is α-oriented. The cyclopentane (A), ciclohexane (B) and cicloheptene (C) rings are trans (A/B) and (B/C) cis fused, and in an envelope, chair, and twist conformation respectively. In the crystal the molecules are linked by two intermolecular O—H⋅⋅⋅O hydrogen bond forming bidimensional supramolecular structures with graph-set notation R44(12), R44(40), R66(46) and C44(46). The absolute configuration of the title compound has been determined from the refinement of the Flack parameter16. On this basis the absolute configuration was assigned as C3R, C5S, C8S, C9S, C10S and C13R.info:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.62 n.3 20172017-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072017000303658en10.4067/s0717-97072017000303658
institution Scielo Chile
collection Scielo Chile
language English
topic absolute configuration
diterpenoid
X-ray diffraction
crystal and supramolecular structure
spellingShingle absolute configuration
diterpenoid
X-ray diffraction
crystal and supramolecular structure
BRITO,IVÁN
BORQUEZ,JORGE
HUAROTE,EMILY
LOYOLA,LUIS
CÁRDENAS,ALEJANDRO
SIMIRGIOTIS,MARIO
ABSOLUTE CONFIGURATION OF MULINOLIC ACID
description ABSTRACT The structure of this mulinolic acid consists of a mulinane skeleton and the corresponding isopropyl, methyl, carboxyl and methyl groups at C3, C8, C5, C13, respectively, which are β-oriented, whereas the hydroxyl group at C13 is α-oriented. The cyclopentane (A), ciclohexane (B) and cicloheptene (C) rings are trans (A/B) and (B/C) cis fused, and in an envelope, chair, and twist conformation respectively. In the crystal the molecules are linked by two intermolecular O—H⋅⋅⋅O hydrogen bond forming bidimensional supramolecular structures with graph-set notation R44(12), R44(40), R66(46) and C44(46). The absolute configuration of the title compound has been determined from the refinement of the Flack parameter16. On this basis the absolute configuration was assigned as C3R, C5S, C8S, C9S, C10S and C13R.
author BRITO,IVÁN
BORQUEZ,JORGE
HUAROTE,EMILY
LOYOLA,LUIS
CÁRDENAS,ALEJANDRO
SIMIRGIOTIS,MARIO
author_facet BRITO,IVÁN
BORQUEZ,JORGE
HUAROTE,EMILY
LOYOLA,LUIS
CÁRDENAS,ALEJANDRO
SIMIRGIOTIS,MARIO
author_sort BRITO,IVÁN
title ABSOLUTE CONFIGURATION OF MULINOLIC ACID
title_short ABSOLUTE CONFIGURATION OF MULINOLIC ACID
title_full ABSOLUTE CONFIGURATION OF MULINOLIC ACID
title_fullStr ABSOLUTE CONFIGURATION OF MULINOLIC ACID
title_full_unstemmed ABSOLUTE CONFIGURATION OF MULINOLIC ACID
title_sort absolute configuration of mulinolic acid
publisher Sociedad Chilena de Química
publishDate 2017
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072017000303658
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