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Molecules 2012, 17(8), 9716-9727; doi:10.3390/molecules17089716
Communication

Diterpenoids from the Buds of Pinus banksiana Lamb.

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 and *
Laboratoire d'analyse et de séparation des essences végétales, Département des sciences fondamentales, Chaire de recherche sur les agents anticancéreux d'origine naturelle, Université du Québec à Chicoutimi, Québec, G7H 2B1 Canada
* Author to whom correspondence should be addressed.
Received: 12 June 2012 / Revised: 5 August 2012 / Accepted: 10 August 2012 / Published: 13 August 2012
(This article belongs to the Section Metabolites)
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Abstract

Three new diterpenoids, namely 7α-hydroxyabieta-8,11,13,15-tetraen-18-oic acid, 7β,15,18-trihydroxyabieta-8,11,13-triene, 13,15-dihydroxypodocarpa-8,11,13-triene, and 12 other known compounds were isolated from buds of Pinus banksiana Lamb. All these compounds, except for 7-oxodehydroabietinol, were isolated for the first time from this plant. Their structures were elucidated by detailed spectroscopic studies and comparison with published data. All isolated compounds were tested for cytotoxic and antibacterial activities. Overall, two compounds, 7-oxodehydroabietinol and 18-nor-4,15-dihydroxyabieta-8,11,13-trien-7-one, showed moderate cytotoxicity against a human lung carcinoma cell line.
Keywords: Pinus banksiana; bud; dehydroabietane; cytotoxicity; antibacterial activity Pinus banksiana; bud; dehydroabietane; cytotoxicity; antibacterial activity
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Georges, P.; Legault, J.; Lavoie, S.; Grenon, C.; Pichette, A. Diterpenoids from the Buds of Pinus banksiana Lamb.. Molecules 2012, 17, 9716-9727.

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