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Molecules 2013, 18(3), 2589-2597; doi:10.3390/molecules18032589
Article

Hirtinone, a Novel Cycloartane-Type Triterpene and Other Compounds from Trichilia hirta L. (Meliaceae)

1,* , 2, 1, 1, 1 and 1
1 Laboratório de Ciências Químicas, Universidade Estadual do Norte Fluminense Darcy Ribeiro, 28013-602, Campos dos Goytacazes, RJ, Brazil 2 Centro Universitário São Camilo, Campus I, Rua São Camilo de Léllis 01, 29304-910 Cachoeiro de Itapemirim, ES, Brazil
* Author to whom correspondence should be addressed.
Received: 20 December 2012 / Revised: 1 February 2013 / Accepted: 18 February 2013 / Published: 26 February 2013
(This article belongs to the Special Issue Triterpenes and Triterpenoids)
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Abstract

One novel triterpene cycloartane-type, named hirtinone (1), six protolimonoids – nilocitin (2), dihydronilocitin B (3), melianone epimers (4) and (5), piscidinol A (6) and melianone lactone (7), one tertranortriterpenoid, hirtin (8), and one sesquiterpene, spathulenol (9), were identified in the fruits of Trichilia hirta. The structures were established by 1D and 2D NMR (1H and 13C-NMR, DEPTQ, 1H-1H-COSY, 1H-1H-NOESY, HSQC and HMBC), high resolution mass spectroscopy (HR-ESI-MS) and infrared (IR) spectral data.
Keywords: Meliaceae; Trichilia hirta; terpenoids; NMR data Meliaceae; Trichilia hirta; terpenoids; NMR data
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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Vieira, I.J.C.; de Aquino Azevedo, O.; de Souza, J.J.; Braz-Filho, R.; dos Santos Gonçalves, M.; de Araújo, M.F. Hirtinone, a Novel Cycloartane-Type Triterpene and Other Compounds from Trichilia hirta L. (Meliaceae). Molecules 2013, 18, 2589-2597.

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