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�й�ҩѧ��־ 2012, Vol. 47 Issue (17) :1366-1369    DOI:
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ժҪ Ŀ�� �о�С���۲ݣ�Dichrocephala benthamii C. B. Clarke)ȫ�ݵĻ�ѧ�ɷ֡����� ���ù轺��Sephadex LH-20��ɫ�׷������з��봿����ͨ������ѧ�����������׶��ռ���������ṹ����� ����õ�18��������ֱ����Ϊ��ʮ�����ᣨ1����1-Ӳ֬���������2����Ӳ֬��������3������ʮ�����ᣨ4������ʮ�����ᣨ5������ʮ���飨6������ʮ�����ᣨ7����3��5-���ǻ�- 6��7��3′��4′ -�ļ�������ͪ��8�����������ң�9����ǧ��ֽ�� A��10�����۲��أ�11�������ǻ�����ͪ��12�������ǻ�����ȩ��13����«������أ�14������Ʒӣ�15��������ؼ��ѣ�16�����������أ�17�����ڱ��������������18�������� ��������18�⣬���໯�����Ϊ�״δ����۲���ֲ���з���õ���
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Abstract�� OBJECTIVE To study the chemical constituents of the whole herb of Dichrocephala Benthamii C. B. Clarke.METHODS The compounds were isolated by column chromatography on silica gel and Sephadex LH-20. Their structures were identified on the basis of spectral analysis and physicochemical characters and confirmed by comparison of their spectral data with those in the literature. RESULTS Eighteen compounds were isolated and identified respectively as hexadecanoic acid(1)��1-stearin(2)��ethyl-stearate(3)��tricosanoic acid(4)��tetracosanoic acid(5)��octacosane(6)��dotriacontanic acid(7)��3��5-dihydroxy-6��7��3′��4′-tetramethoxy flavone(8)��chrysosplenetin B(9)��oroxylin A(10)��apigenin(11)��piceol(12)��p-hydroxy benzaldehyde(13)��aloe-emodin(14)��chrysophanol(15)��physcion(16)��xanthoxylin(17)��and dibutylphthalate(18). CONCLUSION All the compounds were isolated for the first time from this genus except compound 18.
Keywords�� Dichrocephala benthamii C. B. Clarke,   Compositae,   constituents,   fatty acids,   flavone,   dotriacontanic acid,   apigenin     
�ո�����: 2012-09-12;
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TIAN Xin-Hui-, DING Gang-, PENG Chao-Zhong- etc .Liposoluble Constituents from Dichrocephala benthamii C. B. Clarke[J]  Chinese Pharmaceutical Journal, 2012,V47(17): 1366-1369
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