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Article Abstract
The title compound, CHO [systematic name: 6a,6 b,8a,9a,12a,14b)-4,4,6a,6;b,8a,14b-hexa-methyl-12-methyl-eneicosa-hydro-3-phenanthro[1',2':6,7]indeno-[2,1-]furan-3,11(2)-dione], is a triterpene lactone, which was isolated from di-chloro-methane extract of (Turcz.) Lundell (celastraceae) stem bark. The compound has a lupane skeleton and consists of four fused six-membered rings and two five-membered rings. In the crystal, mol-ecules are linked by weak C-H⋯O hydrogen bonds into a three-dimensional network. The configuration of ochraceolide A was proposed based on analogue compounds which belong to the lupane type.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5730298 | PMC |
| http://dx.doi.org/10.1107/S2056989017012816 | DOI Listing |
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Crystal structure of ochraceolide A isolated from (Turcz.) Lundell.
Acta Crystallogr E Crystallogr Commun
October 2017
Facultad de Química, Universidad Autónoma de Yucatán, Calle 43 No. 613, Col. Inalámbrica, 97069, Mérida, Yucatán, Mexico.
The title compound, CHO [systematic name: 6a,6 b,8a,9a,12a,14b)-4,4,6a,6;b,8a,14b-hexa-methyl-12-methyl-eneicosa-hydro-3-phenanthro[1',2':6,7]indeno-[2,1-]furan-3,11(2)-dione], is a triterpene lactone, which was isolated from di-chloro-methane extract of (Turcz.) Lundell (celastraceae) stem bark. The compound has a lupane skeleton and consists of four fused six-membered rings and two five-membered rings.
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