Lignoren, a new sesquiterpenoid metabolite from Trichoderma lignorum HKI 0257

Abstract The new compound lignoren ( 1 ) was isolated from Trichoderma lignorum HKI 0257 by chromatographic methods. This metabolite has a santalane‐like structure, which was elucidated by mass spectrometric and NMR spectroscopic investigations. Lignoren ( 1) shows a moderate narrow‐spectrum of antibacterial and antifungal activity. (© 2004 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)