摘要
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.
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.
基金
Fundacao de Amparo a Pesquisa do Estado do Rio de Janeiro(FAPERJ)for grants
to Conselho Nacional de Desenvolvimento Cientifico(CNPq-Brazil)for a research fellowship and grants.
