Abstract
The saponified ether-soluble extractives of Douglas fir sapwood contained (24 R)- 4α,14α,24-trimethyl-9β,19-cyclo-5α-cholestan-3β-ol(24 R-cyclocucalanol),a new natural product; 4α,14α-dimethyl-9β,19-cyclo-24-methylene-5α-cholestan-3β- ol (cycloeucalenol); and (24 R)-4α,24-dimethyl-5α-cholest-7-en-3β-ol (24 R- methyllophenol); this is the first time they have been reported from Douglas fir.
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