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Open AccessArticle

Triterpene Esters: Natural Products from Dorstenia arifolia (Moraceae)

1
Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Centro de Ciências da Saúde, Bloco H, 1º andar, sala 06, Cidade Universitária, CEP: 21941-902, Rio de Janeiro, RJ, Brazil
2
Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Unidade de Botânica Sistemática, Rua Pacheco 915/sala 208, Rio de Janeiro-RJ/Jardim Botânico, CEP: 22460-030, Rio de Janeiro, RJ, Brazil
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Author to whom correspondence should be addressed.
Molecules 2013, 18(4), 4247-4256; https://doi.org/10.3390/molecules18044247
Received: 4 February 2013 / Revised: 7 April 2013 / Accepted: 8 April 2013 / Published: 11 April 2013
(This article belongs to the Special Issue Triterpenes and Triterpenoids 2013)
The phytochemical study of Dorstenia arifolia Lam. (Moraceae) has led to the identification of 18 triterpenes esterified by fatty acids, five triterpenes without esterification, 12 triterpenes esterified by acetic acid, together with a known furanocoumarin: α-amyrin (1), β-amyrin (2) α-amyrin acetate (3) β-amyrin acetate (4), α-amyrin octanoate (5), β-amyrin octanoate (6), α-amyrin decanoate (7), β-amyrin decanoate (8), α-amyrin dodecanoate (9), β-amyrin dodecanoate (10), α-amyrin tetradecanoate (11), β-amyrin tetradecanoate (12), α-amyrin hexadecanoate (13), β-amyrin hexadecanoate (14), glutinol (15), glutinyl acetate (16), 11-oxo-α-amyrin (17), 11-oxo-β-amyrin (18), 11-oxo-α-amyrin acetate (19), 11-oxo-β-amyrin acetate (20) 11-oxo-α-amyrin octanoate (21) 11-oxo-β-amyrin octanoate (22), 11-oxo-α-amyrin decanoate (23), 11-oxo-β-amyrin decanoate (24) 11-oxo-α-amyrin dodecanoate (25) 11-oxo-β-amyrin dodecanoate (26), ursa-9(11),12-dien-3-yl acetate (27), oleana-9(11),12-dien-3-yl acetate (28), ursa-9(11),12-dien-3-yl decanoate (29), oleana-9(11),12-dien-3-yl decanoate (30), 12,13-epoxyolean-3-yl acetate (31), 12,13-epoxyolean-9(11)en-3-yl acetate (32), taraxeryl acetate (33), lupenyl acetate (34), lanosta-8,24-dien-3-yl acetate (35) and psoralen (36). The identification of the triterpene compounds isolated as isomeric mixtures obtained from the hexane extract was based mainly in mass spectra and 13C-NMR data. The long-chain alkanoic acid esters of the triterpenes α- and β-amyrin; 11-oxo-α- and 11-oxo-β-amyrin; ursa- and olean-9(11),12-dien-3-yl; have not been reported before in the literature as constituents of the Dorstenia genus. View Full-Text
Keywords: Dorstenia arifolia; Moraceae; triterpenes; natural product chemistry Dorstenia arifolia; Moraceae; triterpenes; natural product chemistry
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Fingolo, C.E.; Santos, T.D.S.; Filho, M.D.M.V.; Kaplan, M.A.C. Triterpene Esters: Natural Products from Dorstenia arifolia (Moraceae). Molecules 2013, 18, 4247-4256.

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