Isolation and structures of two new compounds from the essential oil of Brazilian propolis |
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| Authors: | Kusumoto T Miyamoto THiguchi R Doi S Sugimoto H Yamada H |
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| Affiliation: | Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan. |
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| Abstract: | Two new and seven known compounds, including terpenoids and aromatic compounds, were isolated from the essential oil of Brazilian propolis. The structures of the new compounds were elucidated as 2,2-dimethyl-8-prenyl-6-vinylchromene (1) and 2,6-diprenyl-4-vinylphenol (2) on the basis of spectroscopic analyses. |
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