Results 81 to 90 of about 155 (114)
Anthrone and oxanthrone C , O -diglycosides from Picramnia teapensis
Phytochemistry, 2000 Two C,O-diglycosylated compounds, the anthrone picramnioside F, and the oxanthrone mayoside C, were isolated from the stem bark of Picramnia teapensis, along with the previously reported anthraquinones, 1-O-beta-D- and 8-O-beta-D-glucopyranosyl emodin. The compounds were separated by recycling-HPLC, and their structures were determined on the basis of ...
João Batista Fernandes +2 more
exaly +6 more sources
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Cytotoxic Anthraquinone Derivatives from Picramnia antidesma
Planta Medica, 2002Activity-guided investigation of crude extracts prepared from the root bark of Picramnia antidesma, a medicinal plant long used for the treatment of malaria in tropical areas of the Americas, when tested on KB cells led to the isolation of a new compound, 10-epi-uveoside, from a cytotoxic fraction containing a rich mixture of anthrone glycosides.
Rogelio Pereda-Miranda
exaly +3 more sources
Diastereomeric C-glycosyloxanthrones from picramnia antidesma
Phytochemistry, 1999Nine compounds were isolated and identified from the stem of Picramnia antidesma. Two of the isolated compounds: mayoside and saroside, which is new, are diastereoisomeric oxanthrones. The structure of saroside has been obtained on the basis of spectroscopic evidence.
Susana Rojas-Lima
exaly +2 more sources
A Conspectus of Mexican and Central American Picramnia (Simaroubaceae)
Brittonia, 1988A complete checklist with synonymy and notes is provided for the Mexican and Central American species ofPicramnia. A key to all taxa of the region is included. Four new taxa (Picramnia guerrerensis, P. hirsuta, P. deflexa, andP. antidesma subsp.nicaraguensis) are described and illustrated, and a new combination (Picramnia antidesma subsp.fessonia) is ...
William Wayt Thomas, Thomas Wm Wayt
exaly +2 more sources
Ueber das Fett von Picramnia Lindeniana [PDF]
Chemische Revue über Die Fett- Und Harz-Industrie, 1912 n ...
exaly +3 more sources
Triterpenes and anthraquinones from Picramnia sellowii Planchon in Hook (Simaroubaceae)
Biochemical Systematics and Ecology, 2001Triterpenes and anthraquinones from Picramnia sellowii Planchon in Hook (Simaroubaceae) Luisa Balderrama, Alessandra Braca*, Emilia Garcia, Marcela Melgarejo, Cosimo Pizza, Nunziatina De Tommasi a Instituto de Investigaciones Quimicas, Universidad Mayor de San Andres, Calle 27, esq. A.
Alessandra Braca +2 more
exaly +4 more sources
An anthrone from Picramnia antidesma
Phytochemistry, 1998Abstract A new chrysophanol anthrone C-glycoside, named uveoside and four known compounds were isolated and identified from the chloroform extract of roots from Picramnia antidesma .
Maria Del R Hernandez-Medel +3 more
openaire +1 more source
A New Species of Picramnia (Simaroubaceae) from Amazonian Peru
Brittonia, 1990A new and rare species,Picramnia bullata, is described, illustrated, and compared to its closest relatives It is unique in its hirsute pubescence, numerous, elongate, bullate leaflets, and long, pendent, unbranched inflorescences.
William Wayt Thomas, Thomas Wm Wayt
exaly +2 more sources
Casabitoa perfae (Euphorbiaceae)-A New Synonym of Picramnia Dictyoneura (Simaroubaceae)
Brittonia, 1994Casabitoa perfae Alain (Euphorbiaceae) was rediscovered in Alto de Casabito, Cordillera Central, Dominican Republic and was found to be identical withPicramnia dictyoneura (Urban) Urban (Simaroubaceae).
Thomas A Zanoni, Zanoni Thomas A
exaly +2 more sources