Two guaiane-based sesquiterpenes from a Sinularia sp. soft coral
Investigation of a Sinularia sp. of soft coral has led to the identification of two known guaiane-based sesquiterpenes by evaluation of nuclear magnetic resonance spectroscopic data. The compounds are easily related either by biosynthetic dehydration across a methyl group and a tertiary alcoholic ca...
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| Format: | text |
| Language: | English |
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Animo Repository
1992
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| Online Access: | https://animorepository.dlsu.edu.ph/etd_masteral/1468 https://animorepository.dlsu.edu.ph/cgi/viewcontent.cgi?article=8306&context=etd_masteral |
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| Institution: | De La Salle University |
| Language: | English |
| Summary: | Investigation of a Sinularia sp. of soft coral has led to the identification of two known guaiane-based sesquiterpenes by evaluation of nuclear magnetic resonance spectroscopic data. The compounds are easily related either by biosynthetic dehydration across a methyl group and a tertiary alcoholic carbon in the diol or addition of water at the exo-methylene group in the alcohol. The allied compounds have never been reported from a Sinularia species. The diol was previously isolated from Lemnalia africana while the alcohol was reported from Nephthea chabrolli. As such, this is also the first reported co-occurrence of the two compounds in a single coral. |
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