Isolation and Structures of Acremolactones B and C, Novel Plant-Growth Inhibitory γ-Lactones fromAcremonium roseumI4267

Bioscience, Biotechnology, and Biochemistry
2004.0

Abstract

Novel acremolactones B and C were isolated from the acremolactone A-producing Acremonium roseum I4267. The structure of acremolactone B having a phenylpyridyl gamma-lactone was elucidated by spectroscopic methods. It showed plant growth inhibitory activity toward Chinese cabbage seedlings. The congener of acremolactone C having a phenylcyclopentenone gamma-lactone showed weak activity.

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