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Article

Two Novel Cycloartane-Type Triterpenes from Trichilia casaretti C. DC. (Meliaceae)

by
Ivo Jose Curcino Vieira
1,*,
Elaine Rodrigues Figueiredo
2,
Milena Gonçalves Curcino Vieira
3,
Almir Ribeiro de Carvalho Junior
1,
Michel De Souza Passos
1,
Samyra Imad da Silva Boeno
1,
Otoniel Aquino Azevedo
4 and
Raimundo Braz-Filho
1,5
1
Setor de Química de Produtos Naturais, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Rio de Janeiro, Brazil
2
Instituto Federal Fluminense, Campus Bom Jesus do Itabapoana, Avenida Dario Vieira Borges, 235, Parque do Trevo, Bom Jesus do Itabapoana 28360-000, Rio de Janeiro, Brazil
3
Faculdade de Medicina de Campos, Avenida Alberto Torres, 217, Centro Campos dos Goytacazes 28035-581, Rio de Janeiro, Brazil
4
Centro Universitário São Camilo, Campus I, Rua São Camilo de Léllis 01, Cachoeiro de Itapemirim 29304-910, Espirito Santo, Brazil
5
Departamento de Química, Universidade Federal Rural do Rio de Janeiro, CP 74541, Seropédica 23890-000, Rio de Janeiro, Brazil
*
Author to whom correspondence should be addressed.
Molecules 2018, 23(4), 949; https://doi.org/10.3390/molecules23040949
Submission received: 16 March 2018 / Revised: 12 April 2018 / Accepted: 17 April 2018 / Published: 19 April 2018
(This article belongs to the Section Natural Products Chemistry)
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Abstract

Two new triterpenes cycloartane-type, named 24-methylencycloartan-12-oxo-3β,22α-diol and trichiliol, were isolated from the leaves of Trichilia casaretti C. DC. together with three known triterpenes—24-methylencycloart-3β,22-diol, 22,25-dihydrocycloart-23(E)-en-3β-ol, and 22(R)-hydroxycycloart-24-en-3-ol. These compounds were characterized on the basis of their spectral data, mainly 1D (1H and 13C) and 2D NMR (1H-1H-COSY, 1H-1H-NOESY, HMQC, HSQC, and HMBC), and mass spectra (EI-MS and HR-ESI-MS), also involving comparison with data from the literature.
Keywords: Trichilia casaretti; Meliaceae; triterpenes; cycloartane-type Trichilia casaretti; Meliaceae; triterpenes; cycloartane-type
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MDPI and ACS Style

Vieira, I.J.C.; Figueiredo, E.R.; Vieira, M.G.C.; Carvalho Junior, A.R.d.; Passos, M.D.S.; Boeno, S.I.d.S.; Azevedo, O.A.; Braz-Filho, R. Two Novel Cycloartane-Type Triterpenes from Trichilia casaretti C. DC. (Meliaceae). Molecules 2018, 23, 949. https://doi.org/10.3390/molecules23040949

AMA Style

Vieira IJC, Figueiredo ER, Vieira MGC, Carvalho Junior ARd, Passos MDS, Boeno SIdS, Azevedo OA, Braz-Filho R. Two Novel Cycloartane-Type Triterpenes from Trichilia casaretti C. DC. (Meliaceae). Molecules. 2018; 23(4):949. https://doi.org/10.3390/molecules23040949

Chicago/Turabian Style

Vieira, Ivo Jose Curcino, Elaine Rodrigues Figueiredo, Milena Gonçalves Curcino Vieira, Almir Ribeiro de Carvalho Junior, Michel De Souza Passos, Samyra Imad da Silva Boeno, Otoniel Aquino Azevedo, and Raimundo Braz-Filho. 2018. "Two Novel Cycloartane-Type Triterpenes from Trichilia casaretti C. DC. (Meliaceae)" Molecules 23, no. 4: 949. https://doi.org/10.3390/molecules23040949

APA Style

Vieira, I. J. C., Figueiredo, E. R., Vieira, M. G. C., Carvalho Junior, A. R. d., Passos, M. D. S., Boeno, S. I. d. S., Azevedo, O. A., & Braz-Filho, R. (2018). Two Novel Cycloartane-Type Triterpenes from Trichilia casaretti C. DC. (Meliaceae). Molecules, 23(4), 949. https://doi.org/10.3390/molecules23040949

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