Five New Compounds from Elsholtzia Densa
SHEN Xu-Wei; ZHENG Shang-Zhen; YIN Zuo-Dong; SONG Zhan-Wu; WANG Lai(Department of Chemistry, Department of Biology, Northwest Normal University,Lanzhou, 730070)
Five new compounds were isolated from Elsholtzia densa. By means of chemical and spectroscopic methods, their structures were identified as 3″,4″,5″- trimethoxyfuranoflavone(3), 3″-hydroxy-4″,5″-dimethoxyfuranoflavone (4), 5-(3″-methylbutyl)-8-methoxyfuranocoumarin (5), 5-(3″-hydroxy-3-methylbutyl)-8-methoxyfuranocoumarin (6) and 5-(3″,3″-dimethylallyl)-8-methoxyfuranocoumarin(7).
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