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18-nor-Abietatrienes from the Cones of Larix kaempferi
1Osaka University of Pharmaceutical Sciences, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan.
Journal of Natural Products
|April 21, 1998
Abstract:
Two novel norditerpenediols, 18-nor-abieta-8,11,13-triene-4,15-diol (1) and 18-nor-abieta-8,11,13-triene-4,7alpha-diol (2), were isolated from the cones of Larix kaempferi, together with two known diterpenes, abieta-8,11,13-triene-15,18-diol and abieta-8,11,13-triene-7alpha,18-diol. The structures of 1 and 2 were determined on the basis of chemical and spectral evidence.