4.3 Article

Isolation and structures of two new compounds from the essential oil of Brazilian propolis

Journal

CHEMICAL & PHARMACEUTICAL BULLETIN
Volume 49, Issue 9, Pages 1207-1209

Publisher

PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/cpb.49.1207

Keywords

propolis steam distillation; essential oil; 2,2-dimethyl-8-prenyl-6-vinylehromene; 2,6-diprenyl-4-vinylphenol

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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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