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UPLC-Q-TOF-MS法分析枇杷叶的倍半萜苷类化合物 被引量:13
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作者 赵磊 陈剑 +2 位作者 印敏 任冰如 李维林 《中成药》 CAS CSCD 北大核心 2015年第7期1498-1502,共5页
目的采用超高效液相-四级杆-飞行时间串联质谱(UPLC-Q-TOF-MS)技术对分离得到的枇杷叶总倍半萜苷类成分进行定性分析,并对其裂解途径进行研究总结。方法枇杷叶乙醇提取物经大孔树脂、聚酰胺柱色谱和RP-18柱色谱处理后,得到的枇杷叶总倍... 目的采用超高效液相-四级杆-飞行时间串联质谱(UPLC-Q-TOF-MS)技术对分离得到的枇杷叶总倍半萜苷类成分进行定性分析,并对其裂解途径进行研究总结。方法枇杷叶乙醇提取物经大孔树脂、聚酰胺柱色谱和RP-18柱色谱处理后,得到的枇杷叶总倍半萜苷采用Agilent ZORBAX SB-C18色谱柱(4.6 mm×100 mm,1.8μm),甲醇-0.1%甲酸水溶液为流动相进行梯度洗脱,ESI源负离子模式下采集质谱数据。结果从总倍半萜苷中得到5个倍半萜苷类化合物,其二级质谱裂解规律均相同,表现为逐个脱去寡糖链上的糖基,产生特征碎片离子m/z 675、529、383,最后生成m/z 205的特征苷元碎片。结论其中2个倍半萜苷类成分可能是仅在苷元C-6和C-7位上构型有差异的loquatifolin A和6,7-cis-nerolidol-3-O-α-L-rhamnopyranosyl-(1→4)-α-L-rhamnopyranosyl-(1→2)-[α-L-rhamnopyranosyl-(1→6)]-β-D-glucopyranoside。 展开更多
关键词 枇杷叶 倍半萜苷 UPLC-Q-TOF-MS loquatifolin A 6 7-cis-nerolidol-3-o-α-L-rhamnopyranosyl-(1→4)-α-L-rh-amnopyranosyl-(1→2)-[α-L-rhamnopyranosyl-(1→6)]-β-d-glucopyranoside
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青蕨植物化学成分的研究(英文) 被引量:4
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作者 胡浩斌 郑旭东 《西北植物学报》 CAS CSCD 北大核心 2005年第4期781-785,共5页
从青蕨根部的乙酸乙酯提取物中分离得到4个化合物.通过化学及波谱分析鉴定其结构为:saucerneolD1,dehydrogoniothalamin2,1-acetoxyl-2-piperonyl-6-[6-methoxyl-piperonyl]-3,7-dioxabicyclo-[3,3,0]-octane3and5,5′-dihydroxy-3-meth... 从青蕨根部的乙酸乙酯提取物中分离得到4个化合物.通过化学及波谱分析鉴定其结构为:saucerneolD1,dehydrogoniothalamin2,1-acetoxyl-2-piperonyl-6-[6-methoxyl-piperonyl]-3,7-dioxabicyclo-[3,3,0]-octane3and5,5′-dihydroxy-3-methoxy-6,8,3″,3″-tetramethylpyran-3′,4′flavone-7-O-[β-D-apiofuranosyl-1→6]-β-D-glucopyranoside4.其中化合物4为新化合物,化合物1为首次从该属植物中分离得到. 展开更多
关键词 青蕨 saucerneol D 5 5′-dihydroxy-3-methoxy-6 8 3″ 3″-tetramethylpyran-(3′ 4′)flavone-7-o-[β-D-apiofuranosyl-(1→6)]-β-d-glucopyranoside
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龙胆泻肝汤中一个新的二氢查尔酮苷(英文) 被引量:1
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作者 王芸 章漳 +2 位作者 杨莉 侴桂新 王峥涛 《中国天然药物》 SCIE CAS CSCD 2008年第4期259-261,共3页
目的:研究龙胆泻肝汤的化学成分。方法:硅胶柱,反向C18柱,Sephadex LH-20等色谱技术进行分离纯化'才艮据化合物的理化性质和光谱数据鉴定结构。结果:从龙胆泻肝汤中分离并鉴定了5个化合物,分别为:2′,4′-dihydroxydihydro cha... 目的:研究龙胆泻肝汤的化学成分。方法:硅胶柱,反向C18柱,Sephadex LH-20等色谱技术进行分离纯化'才艮据化合物的理化性质和光谱数据鉴定结构。结果:从龙胆泻肝汤中分离并鉴定了5个化合物,分别为:2′,4′-dihydroxydihydro chalcone-3′-C-β-glucopyranosyl-6′-D-β-D-glucopyranoside(1),异甘草苷元(2),剌甘草查尔酮(3),甘草查尔酮B(4),异甘草苷(5)。结论:化合物1为新化合物,化合物2~5为首次从龙胆泻肝汤中分离得到。 展开更多
关键词 龙胆泻肝汤 查尔酮 2′ 4′-dihydroxydihydrochalcone-3′-C-β-glucopyra-nosyl-6-o-β-d-glucopyranoside
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Two New Flavonoid Glycosides from Chrysanthemum morifolium 被引量:10
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作者 Jian ZHANG An Wei DING +3 位作者 You Bin LI Da Wei QIAN Jin Ao DUAN Zhi Qi YIN 《Chinese Chemical Letters》 SCIE CAS CSCD 2006年第8期1051-1053,共3页
Two new flavonoid glycosides were isolated from the flowering heads of Chrysanthemum morifolium. Their structures were determined to be luteolin 4'-methoxy-7- O-(6"-O-acetyl)-β-D-glucopyranoside (1) and acaceti... Two new flavonoid glycosides were isolated from the flowering heads of Chrysanthemum morifolium. Their structures were determined to be luteolin 4'-methoxy-7- O-(6"-O-acetyl)-β-D-glucopyranoside (1) and acacetin 7-O-(3"-O-acetyl)-β-D-glucopyranoside (2) by means of 1H and 13C NMR spectroscopic analysis, including 2D NMR technique. 展开更多
关键词 Chrysanthemum morifolium flavonoid glycosides luteolin 4'-methoxy-7-o-6-o-acetyl)-β-d-glucopyranoside acacetin 7-o-(3"-o-acetyl)-β-d-glucopyranoside.
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Two new glycosides from the seeds of Cassia obtusifolia 被引量:5
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作者 Cun Zhang Gui Liu Li Yong Qing Xiao Li Li Zhen Pang 《Chinese Chemical Letters》 SCIE CAS CSCD 2009年第9期1097-1099,共3页
Two new glycosides, nor-rubrofusadn-6-O-β-D-(6'-O-acetyl)glucopyranoside (1) and 1-desmethylaurantio-obtusin-2-O-β-D- glucopyranoside (2) were isolated from the seeds of Cassia obtusifolia and their structure... Two new glycosides, nor-rubrofusadn-6-O-β-D-(6'-O-acetyl)glucopyranoside (1) and 1-desmethylaurantio-obtusin-2-O-β-D- glucopyranoside (2) were isolated from the seeds of Cassia obtusifolia and their structures were established by chemical and spectral evidences. 2009 Yong Qing Xiao. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved. 展开更多
关键词 Cassia obtusifolia Nor-rubrofusarin-6-o-β-D-(6-o-acetyl)glucopyranoside 1-Desmethylaurantio-obtusin-2-o-β-d-glucopyranoside
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A new polyacetylene glycoside from the rhizomes of Atractylodes lancea 被引量:3
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作者 Ying Ji Xu Feng Chao Cheng Xiao Yun Fa Dong Qi Zhi Wang Ming Wang You Yi Zhao 《Chinese Chemical Letters》 SCIE CAS CSCD 2010年第7期850-852,共3页
A new polyacetylene glycoside,(1,3Z,11E)-tridecatriene-7,9-diyne-5-hydroxyl-6-O-β-D-glucopyranoside,was isolated from the rhizomes of Atractylodes lancea(Thunb.) DC.Its structure was elucidated on the basis of sp... A new polyacetylene glycoside,(1,3Z,11E)-tridecatriene-7,9-diyne-5-hydroxyl-6-O-β-D-glucopyranoside,was isolated from the rhizomes of Atractylodes lancea(Thunb.) DC.Its structure was elucidated on the basis of spectral analysis. 展开更多
关键词 Atractylodes lancea POLYACETYLENE (1 3Z 11E)-Tridecatriene-7 9-diyne-5-hydroxyl-6-o-β-d-glucopyranoside
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A New Acylated Flavonoid from Anaphalis aureo-punctata 被引量:3
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作者 Yan Qi WU Shuo LI +1 位作者 Ya LI Yu LI 《Chinese Chemical Letters》 SCIE CAS CSCD 2003年第1期66-67,共2页
A new acylated flavonoid glycoside, 3-O-kaempferol-3-O-acetyl-6-O-(p-coumaroyl)-- D-glucopyranoside 1 was isolated from the whole plant of Anaphalis aureo-punctata. The structure was established by spectral methods.
关键词 Anaphalis aureo-punctata flavonoid 3-o-kaempferol-3-o-acetyl-6-o-(p-coumaroyl)- -d-glucopyranoside.
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A new flavonoid glucoside from Cassia angustifolia 被引量:3
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作者 Qiu Ping Wu Zhu Ju Wang +2 位作者 Li Ying Tang Mei Hong Fu Yan He 《Chinese Chemical Letters》 SCIE CAS CSCD 2009年第3期320-321,共2页
A new flavonoid glucoside with a known one was isolated from the leaves of Cassia angustifolia. Based on the spectral analysis, including MS, ^1H NMR, ^13C NMR, DEPT, ^1H-1HCOSY, HMQC, HMBC and NOSEY, their chemical s... A new flavonoid glucoside with a known one was isolated from the leaves of Cassia angustifolia. Based on the spectral analysis, including MS, ^1H NMR, ^13C NMR, DEPT, ^1H-1HCOSY, HMQC, HMBC and NOSEY, their chemical structures were determined as kaempferol-3-O-[(6'''-O-trans-sinnapoyt)-β-D-glucopyranosyl (1 → 6)]-β-D-glucopyranoside 1 and apigenin-6,8-di-C-glycoside 2. 展开更多
关键词 Cassia angustifolia Flavonol glucoside Kaempferol-3-o-[ 6'''-o-trans-sinnapoyl)-β-D-glucopyranosyl-(1→6)]-β-d-glucopyranoside
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Two new isoflavonoids from the rhizomes of Belamcanda chinensis 被引量:2
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作者 Zhi Jun Song Fan Luo +3 位作者 Yan Zhou Bin Ru Bai Shu Lin Peng Li Sheng Ding 《Chinese Chemical Letters》 SCIE CAS CSCD 2007年第6期694-696,共3页
Two new isoflavonoids, 6-methoxy-5,7,8,4′-tetrahydryoxyisoflavone (1) and 4′-methoxy -5,6-dihydroxyisoflavone-7-O-β-d-glucopyranoside (2), were isolated from the rhizomes of Belamcanda chinensis (L.) DC. Their stru... Two new isoflavonoids, 6-methoxy-5,7,8,4′-tetrahydryoxyisoflavone (1) and 4′-methoxy -5,6-dihydroxyisoflavone-7-O-β-d-glucopyranoside (2), were isolated from the rhizomes of Belamcanda chinensis (L.) DC. Their structures were elucidated by extensive spectroscopic evidence including 1D NMR, 2D NMR, MS and IR spectra. 展开更多
关键词 Belamcanda chinensis Isoflavanoid 6-Methoxy-5 7 8 4′-tetrahydryoxyisoflavone 4′-Methoxy-5 6-dihydroxyisoflavone-7-o-β-d-glucopyranoside
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New flavan and unusual chalcone glycosides from Drypetes parvifolia 被引量:1
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作者 Viviane Nadège Nenkep Jovita Chi Shirri +5 位作者 Hanh Trinh Van-Dufat Falindor Sipepnou Philippe Vérité Elisabeth Seguin Francois Tillequin Jean Wandji 《Chinese Chemical Letters》 SCIE CAS CSCD 2008年第8期943-946,共4页
Two new compounds 7-hydroxy-5-O-(β-D-glucopyranoside) flavan (1) and (Z)-4',6'-dihydroxy-2'-O-(β-D-glucopyranoside) chalcone (2), along with eight known compounds, were isolated from the stem bark of Dr... Two new compounds 7-hydroxy-5-O-(β-D-glucopyranoside) flavan (1) and (Z)-4',6'-dihydroxy-2'-O-(β-D-glucopyranoside) chalcone (2), along with eight known compounds, were isolated from the stem bark of Drypetes parvifolia (Euphorbiaceae). Their structures were established on the basis of spectroscopic analysis and chemical evidence. 展开更多
关键词 Drypetes parvifolia Flavonoid glycosides 7-Hydroxy-5-o-β-d-glucopyranoside flavan (Z)-4' 6'-Dihydroxy-2'-o-(β-D-glucopyr-anoside) chalcone
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A New Flavone Glycoside from Isodon enanderianus
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作者 Zhi NA Shuang Xi MEI +2 位作者 Chao Ming LI Zhong Wen LIN Han Dong SUN 《Chinese Chemical Letters》 SCIE CAS CSCD 2001年第3期233-234,共2页
A new flavone glycoside, 5,8-dihydroxy-4',6,7-trimethoxyflavone 8-O-(-D-glucopyranoside 1, together with three known flavonoids, pedalitin 2, cirsimartin 3 and genkwanin 4, were isolated from the aerial parts of I... A new flavone glycoside, 5,8-dihydroxy-4',6,7-trimethoxyflavone 8-O-(-D-glucopyranoside 1, together with three known flavonoids, pedalitin 2, cirsimartin 3 and genkwanin 4, were isolated from the aerial parts of Isodon enanderianus. Their structures were determined on the basis of spectral data. 展开更多
关键词 Isodon enanderianus flavonoid flavone glycoside 5 8-dihydroxy-4’ 6 7-trimethoxyflavone 8-o-(-d-glucopyranoside.
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A new coumarin glycoside from Daphne giraldii
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作者 Juan Su Zhi Jun Wu +5 位作者 Run Hui Liu Yun Heng Shen Chuan Zhang Hui Liang Li Wei Zhang Wei Dong Zhang 《Chinese Chemical Letters》 SCIE CAS CSCD 2007年第7期835-836,共2页
A new coumarin glycoside was isolated from the ethanol extract of the barks of stem of Daphne giraldii Nitsche. Its structure was defined as daphnetin 8-O-β-D-glucopyranosyl-(1 → 6)-β-D-glucopyranoside on the bas... A new coumarin glycoside was isolated from the ethanol extract of the barks of stem of Daphne giraldii Nitsche. Its structure was defined as daphnetin 8-O-β-D-glucopyranosyl-(1 → 6)-β-D-glucopyranoside on the basis of spectral evidences. 展开更多
关键词 Daphne giraldii THYMELAEACEAE Coumarin glycoside Daphnetin 8-o-β-D-glucopyranosyl-(1 6)-β-d-glucopyranoside
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何首乌化学成分的研究 被引量:22
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作者 袁炜 高增平 +1 位作者 杨建波 王爱国 《中草药》 CAS CSCD 北大核心 2017年第4期631-634,共4页
目的研究何首乌Polygonum multiflorum的化学成分。方法采用大孔吸附树脂(DM-8型)、Sephadex LH-20、反相硅胶柱色谱和液相制备等多种色谱技术进行分离纯化,采用核磁共振等波谱技术进行结构鉴定。结果从何首乌提取物55%乙醇洗脱部位中... 目的研究何首乌Polygonum multiflorum的化学成分。方法采用大孔吸附树脂(DM-8型)、Sephadex LH-20、反相硅胶柱色谱和液相制备等多种色谱技术进行分离纯化,采用核磁共振等波谱技术进行结构鉴定。结果从何首乌提取物55%乙醇洗脱部位中分离得到10个化合物,分别鉴定为thunberginol C 6-O-β-D-glucopyranoside(1)、对羟基苯甲醛(2)、反式-N-咖啡酰酪胺(3)、(Z)-2,3,5,4′-四羟基二苯乙烯-2-O-β-D-葡萄糖苷(4)、(E)-2,3,5,4′-四羟基二苯乙烯-2-O-β-D-葡萄糖苷(5)、白藜芦醇-3-O-β-D-(2″-O-没食子酰)-葡萄糖苷(6)、(E)-2,3,5,4′-四羟基二苯乙烯-2-O-β-D-(3″-没食子酰)-葡萄糖苷(7)、苜蓿素-7-O-β-D-葡萄糖苷(8)、torachrysone-8-O-β-D-glucoside(9)、大黄素-8-O-β-D-葡萄糖苷(10)。结论化合物1为新化合物,命名为何首乌丁素。化合物3和8为首次从何首乌中分离得到。 展开更多
关键词 蓼科 何首乌 thunberginol C 6-o-β-d-glucopyranoside 何首乌丁素 反式-N-咖啡酰酪胺 苜蓿素-7-o-β-D-葡萄糖苷
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