Labdane acids and other components of the needles ofPinus pumila

The terpenoid and aliphatic components of an ethereal extract of the olerosein of the Japanese stone pine have been investigated. Among them, 33 compounds have been identified, ten of which were isolated in the individual state. The labdane acids of the oleoresin investigated were represented by 19-0-succinylagatholic and 3-hydroxy-, 3-acetoxy, and 3-ketoanticopalic acids.Novosibirsk Institute of Organic Chemistry, Siberian Branch, Academy of Sciences of the USSR. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 206–211, March–April, 1985.