Determinação da Estereoquímica Relativa de Pimaradienos Através de Produtos de Oxidação
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.
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Main Authors: | , |
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Format: | Digital revista |
Language: | Portuguese |
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Sociedade Brasileira de Química
1997
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40421997000300006 |
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