Chemical constituents from the stems of<i> Clerodendrum trichotomum</i> Thunb.

LI Linzhen; WEI Xi; LIU Lu; LI Yongjun; LIANG Jingyu

doi:10.11665/j.issn.1000-5048.20190506

Journal of China Pharmaceutical University > 2019 > 50(5): 544-548. > DOI: 10.11665/j.issn.1000-5048.20190506

LI Linzhen, WEI Xi, LIU Lu, LI Yongjun, LIANG Jingyu. Chemical constituents from the stems of Clerodendrum trichotomum Thunb.[J]. Journal of China Pharmaceutical University, 2019, 50(5): 544-548. DOI: 10.11665/j.issn.1000-5048.20190506

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Chemical constituents from the stems of Clerodendrum trichotomum Thunb.

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Thirteen compounds were isolated and purified from the ethanol extract of Clerodendrum trichotomum Thunb. by various chromatographic methods. Their structures were identified as friedelin( 1 ), betulinic acid( 2 ), taraxerol( 3 ), platanic acid( 4 ), acacetin( 5 ), 5, 7-dihydroxy 3′, 4′-dimethoxyflavone( 6 ), β-sitosterol( 7 ), stigmasterol( 8 ), daucosterol( 9 ), stigmasterol-3-O-glucopyranoside( 10 ), isovanillin( 11 ), dibutyl phthalate( 12 )and syringaldehyde( 13 ). Compounds 4 , 6 , 11- 13 were isolated from genus Clerodendrum Linn. for the first time. Compounds 4 , 6 , 10- 13 were isolated from Clerodendrum trichotomum Thunb. for the first time.
- Clerodendrum trichotomum Thunb.,
- chemical constituents,
- isolation,
- structural identification

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