Determinação da Estereoquímica Relativa de Pimaradienos Através de Produtos de Oxidação Relative stereochemistry determination of pimaradienes through oxidative products

<abstract language="eng">Pimaradienes, including isopimaradienes, with an endocyclic double bond between C-9 and C-11 are uncommon compounds in nature. The diterpenoid pimar-9(11),15-dien-19-oic acid (1) was isolated from Mikania triangularis (Asteraceae) and the correct stereochemis...

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Bibliographic Details
Main Authors: Frederico Guaré Cruz, Nídia Franca Roque
Format: Article
Language:English
Published: Sociedade Brasileira de Química 1997-06-01
Series:Química Nova
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40421997000300006
Description
Summary:<abstract language="eng">Pimaradienes, including isopimaradienes, with an endocyclic double bond between C-9 and C-11 are uncommon compounds in nature. The diterpenoid pimar-9(11),15-dien-19-oic acid (1) was isolated from Mikania triangularis (Asteraceae) and the correct stereochemistry of 1was established by ¹H and 13C NMR studies of several oxidative products, mainly epoxides, of this compound and its double bond isomers.
ISSN:0100-4042
1678-7064