Chemical Studies of the Myrtaceae. IV. Constituents of the Wood of Angophora subvelutina F. Muell

Australian Journal of Chemistry
1961.0

Abstract

Following the isolation of the uncommon triterpenes, cycloeucalenol, 24-methylenecycloartanol, and arjunolic acid, from the wood of Tristania conferta R.Br. (Ritchie, Snape, and Taylor 1961) it was decided to examine the woods of some species of related genera, and the present paper is concerned with the wood of Angophora subvelutina F. Muell. This medium-sized tree, commonly known as broad-leaved apple, is fairly common in the central and northern coastal regions of New South Wales, the timber often being used for fencing. Several substances were isolated from the wood, but in small amounts only ; ellagic acid (0.024%), sitosterol (0.025%), and 24-methylenecycloartanol (0.014 %) were identified. In addition, fractions apparently consisting essentially of tetracosanoic acid (0.001 %) and 24-hydroxytetracosanoic acid (0.021 %) were obtained, but because of the small amounts available and the difficulties involved in purification (Murray and Schoenfeld 1955) their investigation was not pursued.

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