A New Sesquiterpene from Trichilia casarettii (Meliaceae)

Ivo José Curcino Vieira, Elaine Rodrigues Figueiredo, Virginia Rodrigues Freitas, Leda Mathias, Raimundo Braz-Filho, Renata Mendonça Araújo

.

DOI: 10.4236/ajac.2010.12009                

Abstract

The dichloromethane extract of the air-dried stems of Trichilia casarettii afforded a new sesquiterpene (1), lupeol, stigmasterol, campesterol and sitosterol. The structure of 1 was elucidated by extensive one-and two- dimensional nuclear magnetic resonance and mass spectrometry.

Keywords

Trichilia Casarettii, Meliaceae, Sesquiterpene

Conflicts of Interest

The authors declare no conflicts of interest.

References

[1]	Y. S. Xie, M. B. Isman, P. Gunning, S. Mackinnon, J. T. Arnason, D. R. Taylor, P. Sánchez, C. Hasbun and G. H. N. Towers, “Biological Activity of Extracts of Trichilia Species and the Limonoid Hirtin against Lepidopteran Larvae,” Biochemical Systematics and Ecology, Vol. 22, No. 2, March 1994, pp. 129-136.
[2]	T. D. Pennington and B. D. Styles, “A Generic Monograph of Meliaceae,” Blumea, Vol. 22, No. 3, August- December 1975, pp. 419-540.
[3]	M. T. Pupo, P. C. Vieira, J. B. Fernandes, M. F. G. F. Silva and J. R. Pirani, “Terpenoids and Steroids from Trichilia Species,” Journal of the Brazilian Chemical Society, Vol. 13, No. 3, June 2002, pp. 382-388.
[4]	M. C. Ramírez, R. A. Toscano, J. Arnason, S. Omar, C. M. Cerda-Garcia-Rojas and R. Mata, “Structure, Conformation and Absolute Configuration of New Antifeedant Dolabellanes from Trichilia trifolia,” Tetrahedron, Vol. 56, No. 29, July 2000, pp. 5085-5091.
[5]	D. A. G. Cortez, J. B. Fernandes, P. C. Vieira, M. F. G. F. Silva, A. G. Ferreira, Q. B. Cass and J. R. Pirani, “Meliacin Butenolides from Trichilia estipulata,” Phytochemistry, Vol. 49, No. 8, December 1998, pp. 2493-2496.
[6]	P. C. Bogorni and J. D. Vendramim, “Sublethal Effect of Aqueous Extracts of Trichilia spp. on Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) Development on Maize,” Neotropical Entomolology, Vol. 34, No. 2, March/April 2005, pp. 311-317.
[7]	P. C. Patrício and A. C. Cervi, “O Gênero Trichilia P. Browne (Meliaceae) no estado do Paraná, Brasil,” Acta Biologica Paranaense, Vol. 34, No. 1-4, January/April 2005, pp. 27-71.
[8]	A. U. Rahman and V. U. Ahmad, “13C-NMR of Natural Products: Monoterpenes and Sesquiterpenes,” Hussain Ebrahim Jamal Research Institute of Chemistry, University of Karachi, Pakistan, Vol. 1, 1992.
[9]	V. U. Ahmad and A. U. Rahman, “Handbook of Natural Products Data, Pentacyclic Triterpenoids,” Elsevier Press, Karachi, Vol. 2, 1994.
[10]	N. P. Rai, B. B. Adhikari, A. Paudel, K. Masuda, R. D. Mckelvey and M. D. Madandhar, “Phytochemical Constituents of the Flowers of Sarcococca coriacea of Nepalese Origin,” Journal of Nepal Chemical Society, Vol. 21, 2006, pp. 1-7.