期刊文献+
共找到19篇文章
< 1 >
每页显示 20 50 100
Two New Sesquiterpenes from Ligularia veitchiana 被引量:3
1
作者 Ying WANG Cheng Shan YUAN +1 位作者 Yi Feng HAN zhong jian jia 《Chinese Chemical Letters》 SCIE CAS CSCD 2002年第11期1069-1070,共2页
A new furanoeremophilane and a new eudesmane were isolated from the roots of Ligularia veitchiana. Their structures were elucidated as 1b, 10b-epoxy-6b-isobutyryloxy-9-oxo-furanoeremophilane and 8a-hydroxy-4 (15), 11... A new furanoeremophilane and a new eudesmane were isolated from the roots of Ligularia veitchiana. Their structures were elucidated as 1b, 10b-epoxy-6b-isobutyryloxy-9-oxo-furanoeremophilane and 8a-hydroxy-4 (15), 11-eudesmadiene by spectroscopic methods. 展开更多
关键词 Ligularia veitchiana COMPOSITAE furanoeremophilane eudesmane.
下载PDF
Four new eremophilendiolides from Ligularia atroviolacea 被引量:2
2
作者 Shu Yun Shi Di Yao Wu +7 位作者 Xun Gong Hua Peng Rong Ping Zhang Chang Xin Zhou Xiao jiang Hao zhong jian jia Joachim Stockigt Yu Zhao 《Chinese Chemical Letters》 SCIE CAS CSCD 2007年第1期59-61,共3页
From Ligularia atroviolacea, four new eremophilendiolides, 81$-hydroxy-eremophil-3,7 (11)-dien-12,8α(14,6α)-diolide (1), 8β-methoxy-eremophil-3,7(11)-dien-12,8α(14,6α)-diolide (2), 8α-hydroxy-eremoph... From Ligularia atroviolacea, four new eremophilendiolides, 81$-hydroxy-eremophil-3,7 (11)-dien-12,8α(14,6α)-diolide (1), 8β-methoxy-eremophil-3,7(11)-dien-12,8α(14,6α)-diolide (2), 8α-hydroxy-eremophil-3,7(11)-dien-12,8lβ(14,6α)-diolide (3) and eremophil-3,7(11),8-trien-12,8 (14,6α)-diolide (4), as well as a known diolide (5) were isolated. Their structures were elucidated on the basis of 1D and 2D NMR as well as ESI-MS spectral data. 展开更多
关键词 Phytochemical examination SESQUITERPENE Eremophilendiolide Ligularia atroviolacea
下载PDF
Two New Eremophilenolides from Ligularia tongolensis 被引量:2
3
作者 Yi Feng HAN Dong Qing FEI +1 位作者 Kun GAO zhong jian jia 《Chinese Chemical Letters》 SCIE CAS CSCD 2005年第8期1053-1055,共3页
Chemical investigation of L. tongolensis afforded two new eremophilenolides, which were identified as 3β-(2'-methylbutanoyloxy)-8βH-eremophil-7(11)-en-12, 8α(14, 6α)-diolide (1)and 8βH-eremophil-3, 7(11... Chemical investigation of L. tongolensis afforded two new eremophilenolides, which were identified as 3β-(2'-methylbutanoyloxy)-8βH-eremophil-7(11)-en-12, 8α(14, 6α)-diolide (1)and 8βH-eremophil-3, 7(11)-dien-12, 8α (14, 6α)-diolide (2). Their structures were established by spectroscopic methods including 2D NMR experiments. 展开更多
关键词 Ligularia tongolensis COMPOSITAE eremophilenolide sesquiterpene.
下载PDF
A New Bisesquiterpene from Ligularia macrophylla 被引量:2
4
作者 Bo FU Qi Xiu ZHU +1 位作者 Xiu Ping YANG zhong jian jia 《Chinese Chemical Letters》 SCIE CAS CSCD 2002年第3期249-250,共2页
From the roots of Ligularia macrophylla, a bisesquiterpene, ligumacrophyllal was isolated and its structure was elucidated on the basis of spectroscopic methods.
关键词 Ligularia macrophylla COMPOSITAE bisesquiterpene ligumacrophyllal.
下载PDF
A New Eudesmanolide and a New Aromatic Derivative from Carpesium cernuun 被引量:2
5
作者 Chao YANG Qi Xiu ZHU +1 位作者 Wei YONG zhong jian jia 《Chinese Chemical Letters》 SCIE CAS CSCD 2001年第7期598-600,共4页
A new eudesmanolide and a new aromatic derivative were isolated from the roots of Carpesium cernuun. Their structures were elucidated as 13-hydroxy-5,7(11)-eudesmadien-12,8-olide and 3-methyl-8-acetoxy-9,10-diisobuty... A new eudesmanolide and a new aromatic derivative were isolated from the roots of Carpesium cernuun. Their structures were elucidated as 13-hydroxy-5,7(11)-eudesmadien-12,8-olide and 3-methyl-8-acetoxy-9,10-diisobutyryloxy-p-cymene by spectral methods (EIMS, FAB-MS, 1D and 2D NMR). 展开更多
关键词 Carpesium cernuun COMPOSITAE eudesmanolide aromatic derivatives
下载PDF
Two New Sesquiterpenes from Inula japonica 被引量:2
6
作者 Chao YANG Peng Fei WANG zhong jian jia 《Chinese Chemical Letters》 SCIE CAS CSCD 2003年第5期485-486,共2页
Two new sesquiterpenes were isolated from the aerial parts of Inula japonica. Their structures were elucidated as 1-hydroxy-8-acetoxycostic acid methyl ester and 1-hydroxy-8-acetoxyisocostic acid methyl ester by spec... Two new sesquiterpenes were isolated from the aerial parts of Inula japonica. Their structures were elucidated as 1-hydroxy-8-acetoxycostic acid methyl ester and 1-hydroxy-8-acetoxyisocostic acid methyl ester by spectral methods. 展开更多
关键词 Inula Japonica COMPOSITAE sesquiterpene.
下载PDF
A New Isopropenyl Benzofuran-type Tetramer from Ligularia stenocephala 被引量:2
7
作者 Fu Lin YAN Ai Xia WANG +1 位作者 zhong jian jia Lei HE 《Chinese Chemical Letters》 SCIE CAS CSCD 2003年第12期1253-1254,共2页
A new isopropenyl benzofuran-type tetramer was isolated from the roots of ligularia stenocephala and its structure was established by spectroscopic methods.
关键词 COMPOSITAE Ligularia stenocephala isopropenyl benzofuran-type tetramer.
下载PDF
A NEW TRITERPENOID FROM SANGUISORBA ALPINA 被引量:1
8
作者 Xiang Qian LIU Zi Min LIU +1 位作者 zhong jian jia Xiu Wen HAN 《Chinese Chemical Letters》 SCIE CAS CSCD 1992年第7期515-516,共2页
From the roots of Sanguisorba alpina, a new triterpenoid was isolated and identified as 2-isobutyryloxy-19α, 25-dihydroxyursa-1, 12-dien-28-oic acid by means of spectral methods, named as aipinic acid.
关键词 PPM A NEW TRITERPENOID FROM SANGUISORBA ALPINA CCH SHOW
下载PDF
Two New Sesquiterpenes from Ligularia macrophylla 被引量:1
9
作者 Tong SHEN Wei Dong XIE zhong jian jia 《Chinese Chemical Letters》 SCIE CAS CSCD 2005年第9期1220-1222,共3页
Two new eremophilane sesquiterpenes, 15β-formic ether-6-oxo-furanoeremophilane (1) and 6α, 15β-epoxy eremophila-7(11)-en-8α, 12-olide (2) were isolation from the roots of Ligularia macrophylla. Their structu... Two new eremophilane sesquiterpenes, 15β-formic ether-6-oxo-furanoeremophilane (1) and 6α, 15β-epoxy eremophila-7(11)-en-8α, 12-olide (2) were isolation from the roots of Ligularia macrophylla. Their structures were deduced from spectroscopic methods and 2D NMR experiments. 展开更多
关键词 Ligularia macrophylla COMPOSITAE eremophilane sesquiterpene
下载PDF
Two New Eremophilane Sesquiterpenes from Cacalia ainsliaeflora 被引量:1
10
作者 Man Jun MAO zhong jian jia 《Chinese Chemical Letters》 SCIE CAS CSCD 2001年第7期601-602,共2页
Two new eremophilane sesquiterpenes 3β-angeloyloxy-8α-hydroxy-6β-methoxy eremophil-7 (11), 9 (10)-dien-8, 12-olide (1) and 3β-angeloyloxy-6β, 8α-dihydroxy-eremophi-7 (11), 9 (10)-dien-8, 12-olide (2) were isolat... Two new eremophilane sesquiterpenes 3β-angeloyloxy-8α-hydroxy-6β-methoxy eremophil-7 (11), 9 (10)-dien-8, 12-olide (1) and 3β-angeloyloxy-6β, 8α-dihydroxy-eremophi-7 (11), 9 (10)-dien-8, 12-olide (2) were isolated from Cacalia ainsliaeflora. Their structures were established by spectroscopic methods and 2D NMR experiments. 展开更多
关键词 Cacalia ainsliaeflora COMPOSITAE eremophilane sesquiterpene
下载PDF
NEW MINOR STEROIDAL SAPONINS FROM SMILAX LEBRUNII 被引量:1
11
作者 zhong jian jia Yong JU Mei DU Institute of Organic Chemistry, Statt Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000 《Chinese Chemical Letters》 SCIE CAS CSCD 1992年第6期431-432,共2页
Two new minor steroidal saponins, (25R) spirostan-3β-ol-6-one-3-O-[α-L- arabinopyranosyl(1-4)]-β-D-glucopyranosidc (1) and (25S) spirost-5-en -3β, 17α, 27-triol-3-O- [α-L-arabinopyranosyl(1-6)]-β-D-glucopyranos... Two new minor steroidal saponins, (25R) spirostan-3β-ol-6-one-3-O-[α-L- arabinopyranosyl(1-4)]-β-D-glucopyranosidc (1) and (25S) spirost-5-en -3β, 17α, 27-triol-3-O- [α-L-arabinopyranosyl(1-6)]-β-D-glucopyranosidc (2) were isolated from the roots of Smilax lebrunii. Their structures were established on thc basis of chemical and spectral methods. 展开更多
关键词 NEW MINOR STEROIDAL SAPONINS FROM SMILAX LEBRUNII
下载PDF
Two New Eremophilenolides from Ligularia sagitta
12
作者 Xu Qin LI Kun GAO zhong jian jia 《Chinese Chemical Letters》 SCIE CAS CSCD 2002年第10期963-964,共2页
Chemical investigation of L.sagitta afforded two new cremophilenolides, which were identified as 6beta-angeloyloxy-10beta-hydroxy-8beta-methoxy-cremophil-7(11)-en-12, 8alpha-olide (1) and 6beta, 8beta-dimethoxy-10beta... Chemical investigation of L.sagitta afforded two new cremophilenolides, which were identified as 6beta-angeloyloxy-10beta-hydroxy-8beta-methoxy-cremophil-7(11)-en-12, 8alpha-olide (1) and 6beta, 8beta-dimethoxy-10beta-hydroxy-eremophil-7(11)-en-12, 8alpha-olide (2). Their structures were established by spectroscopic methods including 2D NMR experiments. 展开更多
关键词 Ligularia sagitta COMPOSITAE eremophilenolide sesquiterpene.
下载PDF
A New Sesquiterpene and a New Norsesquiterpene from Cacalia deltophylla
13
作者 Ying WANG Cheng Shan YUAN +1 位作者 Xiao Long WANG zhong jian jia 《Chinese Chemical Letters》 SCIE CAS CSCD 2003年第8期818-819,共2页
A new sesquiterpene and a new norsesquiterpene were isolated from the whole plant of Cacalia deltophylla (Maxim) Mattf. Their structures were elucidated as deltocacalone (1) and deltonorcacalol (2) by spectroscopic m... A new sesquiterpene and a new norsesquiterpene were isolated from the whole plant of Cacalia deltophylla (Maxim) Mattf. Their structures were elucidated as deltocacalone (1) and deltonorcacalol (2) by spectroscopic methods including 2D NMR. 展开更多
关键词 Cacalia deltophylla COMPOSITAE cacalone cacalol.
下载PDF
A New Sesquiterpene from Saussurea parviflora
14
作者 zhong Duo YANG Shuo LI +1 位作者 Cheng Shan YUAN zhong jian jia 《Chinese Chemical Letters》 SCIE CAS CSCD 2002年第8期752-753,共2页
A new sesquiterpene: 11,12,13-trihydroxy-4(15),7(8)-eudesmdien-9-one was isolated from Saussurea parviflora. The structure was elucidated on the basis of spectral evidence.
关键词 COMPOSITE Saussurea parviflora EUDESMANE sesquiterpene.
下载PDF
A New Xanthanolide from Carpesium longifolium
15
作者 Chao YANG Meng Chun YE zhong jian jia 《Chinese Chemical Letters》 SCIE CAS CSCD 2003年第5期483-484,共2页
A new xanthanolide was isolated from the aerial parts of Carpesium longifolium. Its structure was elucidated as 1, 4-epoxy-5?hydroxy-10酘-xantha-11(13)-en-12, 8?olide by spectral methods (HRMS, 1D and 2D NMR).
关键词 Carpesium longifolium COMPOSITAE xanthanolide.
下载PDF
Two New Eremophilenolides from Cacalia ainsliaeflora
16
作者 Man Jun MAO Cheng Shan YUAN +1 位作者 Chuan Zong ZOU zhong jian jia 《Chinese Chemical Letters》 SCIE CAS CSCD 2003年第5期479-482,共4页
Two new eremophilenolides (3b-angeloyloxy-8b, 10b-dihydroxy-6b-ethoxyeremophile- nolide (1) and 3b, 6b-diangeloyloxy-8a-methoxy-10a-hydroxyeremophilenolide (2) were isolated from the roots of Cacalia ainsliaeflora. T... Two new eremophilenolides (3b-angeloyloxy-8b, 10b-dihydroxy-6b-ethoxyeremophile- nolide (1) and 3b, 6b-diangeloyloxy-8a-methoxy-10a-hydroxyeremophilenolide (2) were isolated from the roots of Cacalia ainsliaeflora. Their structures were elucidated by spectroscopic methods. 展开更多
关键词 Cacalia ainsliaeflora COMPOSITAE eremophiane sesquiterpene.
下载PDF
A New Eudesmanoilde from Carpesium macrocephalum
17
作者 Chao YANG Cheng Shan YUAN +1 位作者 Yi Feng HAN zhong jian jia 《Chinese Chemical Letters》 SCIE CAS CSCD 2002年第9期855-856,共2页
A new eudesmanoilde was isolated from the aerial parts of Carpesium macrocephalum. Its structure was elucidated as 2?acetoxy-11酘-eudesma-4-en-12, 8?olide by spectral methods.
关键词 Carpesium macrocephalum COMPOSITAE eudesmanolide.
下载PDF
A NEW STEROIDAL SAPONIN FROM SMILAX LEBRUNH
18
作者 Yong JU zhong jian jia Yi Nan WU 《Chinese Chemical Letters》 SCIE CAS CSCD 1991年第11期853-854,共2页
A New steroidal saponin was isolated from the rhizomes of Smilax lebrunii. On the basis of spectral and chemical methods, its structure was elucidated as:(25S)spirost-5-en-3β, 17α, 27-triol-3-0-[β-D-glucopyranosyl(... A New steroidal saponin was isolated from the rhizomes of Smilax lebrunii. On the basis of spectral and chemical methods, its structure was elucidated as:(25S)spirost-5-en-3β, 17α, 27-triol-3-0-[β-D-glucopyranosyl(1-4)][α-L-arabinopyranosyl(1-6)]-β-D-glucopyranoside. 展开更多
关键词 In A NEW STEROIDAL SAPONIN FROM SMILAX LEBRUNH
下载PDF
TWO MINOR SPIROSTANOL GLYCOSIDES FROM SMILAX MENISPERMOIDE
19
作者 Yong JU zhong jian jia +1 位作者 Hai Ruo PENG Xue Jun SUN 《Chinese Chemical Letters》 SCIE CAS CSCD 1993年第2期137-138,共2页
Two minor steroidal saponins were isolated from the roots of Smilax menispermoidea.One of them is new and its structure was established as(25S) spirost-5-en-3β,17α,27-triol-3-O-[α-L-rhamnopyranosyl(1-4)]-β-D-gluco... Two minor steroidal saponins were isolated from the roots of Smilax menispermoidea.One of them is new and its structure was established as(25S) spirost-5-en-3β,17α,27-triol-3-O-[α-L-rhamnopyranosyl(1-4)]-β-D-gluco- pyranoside using spectroscopic and chemical methods. 展开更多
关键词 TWO MINOR SPIROSTANOL GLYCOSIDES FROM SMILAX MENISPERMOIDE
下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部