ABIETANE DITERPENOIDS FROM PLECTRANTHUS GRANDIDENTATUS

• Author(s): Teixeira, António P. ; Batista, Olga ; Simões, M. Fátima ; Nascimento, J. ; Duarte, Aida ; Torre, Maria C. de la ; Rodriguez, Benjamin
• Date: 1997
• Persistent ID: http://hdl.handle.net/10174/4019
• Origin: Repositório Científico da Universidade de Évora
• Subject(s): Plectranthus grandidentatus; Labiatae; diterpenes; abietanes; antibacterial activity
• Document Type: Article
• Language: English

Description

The acetone extract of the whole plant of Plectranthus grandidentatus provided the already known abietanes royleanone, 6,7-dehydroroyleanone, horminone, 6β-hydroxyroyleanone, 7α-acetoxy-6β-hydroxyroyleanone and the abietane dimers grandidone C, grandidone D and 7-epigrandidone D, together with a mixture of fatty acid esters of 7α-acyloxy-6β,12-dihydroxy-abieta-8,12-diene-11,14-dione. Some of these compounds showed moderate antibacterial activity.