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Diterpenes and other constituents from Croton draco (Euphorbiaceae)
Murillo, R. M; Jakupovic, J; Rivera, J; Castro, V. H.
Affiliation
  • Murillo, R. M; Universidad de Costa Rica. Escuela de Química and CIPRONA (Centro de Investigación de Productos Naturales). CR
  • Jakupovic, J; Technical University of Berlim. Institute of Organic Chemistry. Berlin. DE
  • Rivera, J; Universidad de Costa Rica. Escuela de Química and CIPRONA (Centro de Investigación de Productos Naturales). CR
  • Castro, V. H; Universidad de Costa Rica. Escuela de Química and CIPRONA (Centro de Investigación de Productos Naturales). CR
Rev. biol. trop ; 49(1): 259-264, Mar. 2001.
Article in English | LILACS | ID: lil-320095
Responsible library: BR1.1
RESUMO
Croton draco (Euphorbiaceae) from Guadalupe, San José, Costa Rica was collected in July 1992 and phytochemically studied (leaves, seeds, wood, bark, sap and flowers separately). Commonly known compounds such as 1-hydroxyjunenol, p-hydroxybenzaldehyde, p-methoxybenzoic acid, 3,4,5-trimethoxycinnamyl alcohol, the coumarin scopoletin, the nor-terpenoids 9-dehydrovomifoliol and 2,3-dihydrovomifoliol were obtained. Taspine, two aporphinic alkaloids, the diterpenes 9(11)-dehydrokaurenic acid, hardwikiic acid, the corresponding new 12-oxo derivative as well as five clerodanes and a phorbol ester were also isolated. Three clerodanes were not previously described and their NMR spectroscopical data and MS fragmentation patterns are reported.
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Full text: Available Collection: International databases Database: LILACS Main subject: Plants, Medicinal / Euphorbiaceae / Diterpenes Language: English Journal: Rev. biol. trop Journal subject: Biology / Tropical Medicine Year: 2001 Document type: Article Affiliation country: Costa Rica / Germany Institution/Affiliation country: Technical University of Berlim/DE / Universidad de Costa Rica/CR
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Full text: Available Collection: International databases Database: LILACS Main subject: Plants, Medicinal / Euphorbiaceae / Diterpenes Language: English Journal: Rev. biol. trop Journal subject: Biology / Tropical Medicine Year: 2001 Document type: Article Affiliation country: Costa Rica / Germany Institution/Affiliation country: Technical University of Berlim/DE / Universidad de Costa Rica/CR