Humulene and its derivatives from <Emphasis Type="Italic">Betula pendula</Emphasis> buds |
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Authors: | D N Vedernikov V I Roshchin |
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Institution: | (1) S. M. Kirov St. Petersburg State Forestry Academy, 194021 St. Petersburg, Russia |
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Abstract: | Humulene and its derivatives (6R)-hydroxy-α-humulene (6R)-hydroxy-(1E,4E,8E)-4,8,11,11tetramethylcycloundeca-1,4,8-triene], (6R)-acetoxy-α-humulene (6R)-acetoxy-(1E,4E,8E)-4,8,11,11tetramethylcycloundeca-1,4,8-triene], a coumaric acid ester, 14-hydroxy-α-humulene 14-coumaroxy(1E,4E,8E)-4,8,11,11-tetramethylcycloundeca-1,4,8-triene], (1E,6R,8E)-4,5-epoxy-6-hydroxy-4,8,11,11tetramethylcycloundeca-1,8-diene, and (6R,9S)-4,11,11-trimethyl-8-methylene-1,4-cycloundecadien-6,9-diol were observed in the hydrocarbon extract of Betula pendula (Betulaceae) buds. The GC retention indices were determined for all identified compounds. |
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