Chemical Constituents of Selaginella stautoniana
Weisheng Feng, Bo Zhu, Xiaoke Zheng, Yanli L. Zhang, Ligong Yang, Yuanjing Li
Abstract
Weisheng Feng, Bo Zhu, Xiaoke Zheng, Yanli L. Zhang, Ligong Yang, Yuanjing Li
Abstract
Abstract Aim To study the chemical constituents of Selaginella stautoniana . Methods The compounds were isolated and purified by Diaion HP-20, Toyopearl HW-40, silica gel column chromatography and their structures were identified by physico-chemical and spectral methods, respectively. Results Seventeen compounds were obtained and identified as isovanillic acid ( 1 ), p -hydroxybenzoic acid ( 2 ), 3, 4, 5-trimethoxyphenol ( 3 ), vanillic acid ( 4 ), 2-methoxyhydroquinone ( 5 ), p -hydroxyphenol( 6 ), 3, 4, 5-trimethoxybenzoic acid ( 7 ), hydroferulicacid ( 8 ), hydrocaffeic acid ( 9 ), p -hydroxy phenylethanol ( 10) , umbelliferone ( 11 ), apigenin- 6, 8-di- C -β-D-glucopyranoside ( 12 ), 2, 3-dihydroamentoflavone ( 13 ), bilobetin ( 14 ), quercetin-3- O -α-L-rhamnopyranoside ( 15 ), kaempferol-3- O -α-L-rhamnopyranoside ( 16 ) and amentoflavone ( 17 ). Conclusion Compounds 1–16 were isolated from this plant for the first time.
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Abstract Aim To study the chemical constituents of Selaginella stautoniana . Methods The compounds were isolated and purified by Diaion HP-20, Toyopearl HW-40, silica gel column chromatography and their structures were identified by physico-chemical and spectral methods, respectively. Results Seventeen compounds were obtained and identified as isovanillic acid ( 1 ), p -hydroxybenzoic acid ( 2 ), 3, 4, 5-trimethoxyphenol ( 3 ), vanillic acid ( 4 ), 2-methoxyhydroquinone ( 5 ), p -hydroxyphenol( 6 ), 3, 4, 5-trimethoxybenzoic acid ( 7 ), hydroferulicacid ( 8 ), hydrocaffeic acid ( 9 ), p -hydroxy phenylethanol ( 10) , umbelliferone ( 11 ), apigenin- 6, 8-di- C -β-D-glucopyranoside ( 12 ), 2, 3-dihydroamentoflavone ( 13 ), bilobetin ( 14 ), quercetin-3- O -α-L-rhamnopyranoside ( 15 ), kaempferol-3- O -α-L-rhamnopyranoside ( 16 ) and amentoflavone ( 17 ). Conclusion Compounds 1–16 were isolated from this plant for the first time.
Key concepts: Selaginella, Amentoflavone, Umbelliferone, Vanillic acid, Chemistry, Apigenin, Column chromatography, Kaempferol