Z Naturforsch [C]. 2004 Jan-Feb;59(1-2):9-14.

Verbenacine and salvinine: two new diterpenes from Salvia verbenaca.

Ahmed B, Al-Howiriny TA, Al-Rehaily AJ, Mossa JS.

Medicinal, Aromatic and Poisonous Plants Research Center, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia. bahmed@ksu.edu.sa

Two new diterpenes namely verbenacine (1) and salvinine (2) have been isolated from the aerial parts of Salvia verbenaca. Their structures have been elucidated on the basis of chemical and spectral data as 3alpha-hydroxy-19-carboxykaur-15-ene and 19-hydroxy-12,14-dioxo labda-15,17-diene.