[Demethoxyencecalin and Thymol derivatives from Arnica sachalinensis1.].
From the flowers of ARNICA SACHALINENSIS the chromene desmethoxyencecalin, 10-acetoxy-8,9-epoxy-3- O-isobutyrylthymol, and 10-acetoxy-8-hydroxy-9-isobutyryloxythymol were isolated and their structures established by mass spectrometry (13)C-, and (1)H-NMR spectroscopy.
Willuhn
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Institut für Pharmazeutische Biologie der Universität Düsseldorf, Geb. 26.23, Universitätsstr. 1, D-4000 Düsseldorf 1, Bundesrepublik Deutschland.
Junior
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I
Wendisch
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