Sesquiterpenes and a phenylpropanoid from Cordia trichotoma.

نویسندگان

  • Jane Eire S A de Menezes
  • Francisca Elane A Machado
  • Telma Leda G Lemos
  • Edilberto R Silveira
  • Raimundo Braz Filho
  • Otília Deusdênia L Pessoa
چکیده

Two new secondary metabolites, the phenylpropanoid 3-(2',4',5'-trimethoxyphenyl)propanoic acid (1) and the sesquiterpene (+)-1beta,4beta,6alpha-trihydroxyeudesmane (2) were isolated from the heartwood of Cordia trichotoma Vell., along with the known sesquiterpenes (-)-1beta,4beta,7alpha-trihydroxyeudesmane (3) and (+)-1beta,4beta,11-trihydroxyoppositane (4). Their structures were elucidated by means of spectroscopic data interpretation, mainly 1D and 2D NMR and mass spectrometry.

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NATURE | VOL 411 | 14 JUNE 2001 | www.nature.com 843 Collectively, plants produce a remarkably diverse array of over 100,000 low-molecular-mass natural products, also known as secondary metabolites. Secondary metabolites are distinct from the components of intermediary (primary) metabolism in that they are generally nonessential for the basic metabolic processes of the plant. Most are derived f...

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عنوان ژورنال:
  • Zeitschrift fur Naturforschung. C, Journal of biosciences

دوره 59 1-2  شماره 

صفحات  -

تاریخ انتشار 2004