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New sesquiterpenes from Crossopetalum tonduzii.
Tincusi, B M; Jiménez, I A; Ravelo, A G; Missico, R.
Afiliación
  • Tincusi BM; Instituto Universitario de Bio-Orgánica "Antonio González", Universidad de La Laguna, Avenida Astrofísico Francisco Sánchez 2, La Laguna, 38206 Tenerife, Canary Islands, Spain.
J Nat Prod ; 61(12): 1520-3, 1998 Dec.
Article en En | MEDLINE | ID: mdl-9868155
ABSTRACT
Five new sesquiterpenes (1-5) with a dihydro-beta-agarofuran skeleton were isolated from Crossopetalum tonduzii. Their structures were elucidated by means of 1H and 13C NMR spectroscopic studies, including homonuclear and heteronuclear correlation experiments (COSY, ROESY, HMQC, and HMBC). The absolute configurations of 1 and 2 were determined by CD studies and chemical correlation. Compounds 1-3 were assayed against Spodoptera littoralis in an election test and showed low insect-antifeedant activity.
Asunto(s)
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Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Plantas / Sesquiterpenos / Spodoptera / Conducta Alimentaria Límite: Animals País/Región como asunto: America central / Panama Idioma: En Revista: J Nat Prod Año: 1998 Tipo del documento: Article País de afiliación: España
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Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Plantas / Sesquiterpenos / Spodoptera / Conducta Alimentaria Límite: Animals País/Región como asunto: America central / Panama Idioma: En Revista: J Nat Prod Año: 1998 Tipo del documento: Article País de afiliación: España