Sesquiterpenos e hidrocarbonetos dos frutos de Xylopia emarginata (Annonaceae) / Sesquiterpenes and hydrocarbons from Xylopia emarginata (Annonaceae) fruits
Rev. bras. farmacogn
;
17(1): 55-58, jan.-mar. 2007. ilus
Article
in Portuguese
| LILACS
| ID: lil-451565
RESUMO
O extrato hexânico dos frutos de Xylopia emarginata foi particionado entre hexano e MeOH/H2O. A fase hidroalcoólica foi submetida à separação cromatográfica fornecendo quatro sesquiterpenos óxido de cariofileno, espatulenol, 1beta,6alfa-diidroxi-4(15)-eudesmeno e 4-hidroxi-1,15-peróxieudesmano. A fase hexânica foi fracionada através de cromatografia em coluna fornecendo dois hidrocarbonetos (nonadecano e 1-nonadeceno) e uma cetona alifática (hentriacontan-16-ona). As estruturas dos compostos isolados foram estabelecidas através de análise espectroscópica, principalmente RMN e EM.
ABSTRACT
The hexane extract from Xylopia emarginata fruits was partitioned between hexane and MeOH/H2O. The hydro-alcoholic phase was submitted to chromatographic separation to afford four sesquiterpenes caryophyllene oxide, spathulenol, 1beta,6alpha-dihydroxy-4(15)-eudesmene and 4-hydroxy-1,15-peroxy-eudesmane. The hexane phase was fractioned in column chromatography to afford two hydrocarbons (nonadecane and 1-nonadecene) and one aliphatic ketone (hentriacontan-16-one). The structures of the isolated compounds were established by spectral data analysis, mainly NMR and MS.
Full text:
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Index:
LILACS (Americas)
Main subject:
Sesquiterpenes
/
Plant Extracts
/
Chromatography
/
Annonaceae
/
Hydrocarbons
Language:
Portuguese
Journal:
Rev. bras. farmacogn
Journal subject:
Pharmacy
Year:
2007
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
Universidade Presbiteriana Mackenzie/BR
/
Universidade de São Paulo/BR
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