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Mostrando ítems 11-20 de 34
Eudesmanolides and Methyl Ester Derivatives from Dimerostemma arnottii
(NATURAL PRODUCTS INC, 2010)
The phytochemical investigation of Dimerostemma arnottii (Asteraceae) afforded, in addition to a known eudesmanolide, two unusual eudesmane methyl ester derivatives and a new eudesmanolide. Structural elucidation of the ...
REGIO AND STEREOSELECTIVE HYDROXYLATION OF A-AGAROFURAN BY BIOTRANSFORMATION OF RHIZOPUS NIGRICANS
(Sociedad Chilena de Química, 2005)
A new sesquiterpene from the fruits of Allophylus laevigatus
(2004)
From the fruits of Allophylus laevigatus a new sesquiterpene, 11-acetoxy-4a-methoxyeudes-mane, was isolated alongwith the known compounds carissone and apigenin-8-C-h-rhamnopyrano-side. The flavone showed no antioxidant ...
Eremophilane, germacrane and shikimic acid derivatives from chilean Senecio species
(1991)
From 11 Chilean Senecio species eight new furoeremophilanes and eremophilanolides, eight eremophilane, one cadinane, five germacrane, one oplopanone and five shikimic acid derivatives were isolated in addition to known ...
REGIO AND STEREOSELECTIVE HYDROXYLATION OF 5a-HYDROXY-14-EUDESM-11-EN-3-ONE EUDESMANE BY BIOTRANSFORMATION OF RHIZOPUS NIGRICANS
(Sociedad Chilena de Química, 2006)
Gastric cytoprotective activity of ilicic aldehyde: structure-activity relationships
(Pergamon-Elsevier Science Ltd, 2005-09-01)
A series of sesquiterpene compounds possessing both eudesmane and eremophilane skeletons were tested as gastric cytoprotective agents on male Wistar rats. The presence of an alpha,beta-unsaturated aldehyde on the C-7 side ...
Diterpenes and sesquitrpenes from Mikania banisteriae
(1997)
Two new ent-kaurane diterpenes, 18,19-diacetoxy-ent-kaur-16-ene and 17-oxo-ent-kaur-15(16)-en-18-oic acid, were isolated from the aerial parts of Mikania banisteriae, together with the known ent-kauranes ent-kaur-16-en-18-oic ...