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北京石油化工学院2026年研究生招生接收调剂公告
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臭宝宝

金虫 (小有名气)

[求助] 微谱求助!!THX!!

核磁c谱,溶剂 DMSO --15.18 15.92 16.43 17.94 18.69 20.30 22.99 24.44 25.10 25.87 26.91 28.12 32.04 36.40 37.09 37.81 38.16 38.33 39.38 41.60 41.76 45.97 46.98 48.52 54.65 72.90 76.75 122.22 143.27 178.81

估计是三萜类~~
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臭宝宝: 金币+5, ★★★★★最佳答案 2013-05-06 20:12:37
1 .     methylacacicoate
    相似度:86.6%
Journal of Peking University (Health Sciences)          2004          36          421-425
Isolation and identification of chemical constituents from Albizia julibrissin Durazz
ZHENG Lu; WU Gang; WANG Bin; WU Li jun; ZHAO Yu ying
Structure      13C NMR   碳谱模拟图
2 .     Ursolic acid (3β-hydroxy-urs-12-en-28-oic acid)
    相似度:80%
Molecules          2008          13          2482-2487
Variation of Ursolic Acid Content in Eight Ocimum Species from Northeastern Brazil
M. Goretti V. Silva, Icaro G. Vieira, Francisca N. Mendes, Irineu L. Albuquerque, Rogério N. dos Santos, Fábio O. Silva and Selene M. Morais
Structure      13C NMR   碳谱模拟图
3 .     methyl 3β,21α-dihydroxyolean-12-en-28-oate
    相似度:77.4%
Korean Journal of Pharmacognosy          1987          18(3)          151-167
13C NMR Spectroscopy of Amyrins
Kang, Sam-Sik
Structure      13C NMR   碳谱模拟图
4 .     regelin D
    相似度:77.4%
Acta Academiae Medicinae Sinicae          1994          16          466-468
Studes on Triterpenoids of Total Glucosides of Tripterygium Wilfordii
Zhang Chongpu; Yan Zheng; Chen Yun; Zhang Yonggang; L
Structure      13C NMR   碳谱模拟图
5 .     glyyunnansapogenin B1
    相似度:76.6%
Acta Pharmaceutica Sinica          1995          30          27-33
NEW TRTEKPENOIDAL SAPOGENINS FROM THE ROOTS OF GLYCYRRHIZA YUNNANENSIS
JF Hu; ZL Ye and FJ Shen
Structure      13C NMR   碳谱模拟图
6 .     ursolic acid
    相似度:76.6%
China Journal of Chinese Materia Medica          2005          30          1086-1088
Studies on the chemical constituents in herb of Mentha haplocalyx
LIU Ying, ZHANG Yuanhu, SHI Renbing
Structure      13C NMR   碳谱模拟图
7 .     echinocystic acid
    相似度:76.6%
China Journal of Chinese Materia Medica          2004          29          1108-1109
三分丹化学成分的研究
黄学石, 郜 嵩, 范丽华, 庾石山 , 梁晓天
Structure      13C NMR   碳谱模拟图
8 .     pomolic acid
    相似度:76.6%
China Journal of Chinese Materia Medica          2001          26          549-551
Chemical Constituents from the Fruit of Rosa bella Rehd. et Wils
CHEN Fengzheng, PENG Shulin, DING Lisheng, HE Yonghua, WANG Mingkui
Structure      13C NMR   碳谱模拟图
9 .     maniladiol
    相似度:76.6%
Journal of Natural Products          1991          Vol 54          1288
Two New Triterpenoid Saponins from Erythrina sigmoidea
J. Kouam, A. Ephrem Nkengfack, Z. Tanee Fomum, Rosa Ubillas, Michael S. Tempesta, Michèle Meyer
Structure      13C NMR   碳谱模拟图
10 .     熊果酸(ursolic acid)
C30H48O3     相似度:76.6%
Chinese Traditional and Herbal Drugs          2011          42(4)          664-667
Chemical constituents of Dracocephalum heterophyllum and antibacterial activity
REN Ai-mei
Structure      13C NMR   碳谱模拟图
11 .     oleanolic acid Me ester
    相似度:76.6%
Phytochemistry          1987          26          1785-1788
Arvensoside A and B,triterpenoid saponins from Calendula arvensis
R. Chemli,A. Babadjamian,R. Faure,K. Boukef,G. Balansard,E. Vidal
Structure      13C NMR   碳谱模拟图
12 .     ursolic acid
    相似度:76.6%
China Journal of Chinese Materia Medica          2010          35          315-322
Terpenoids of Heteroplexis micocephala and their bioactivities
FAN Xiaona; LIN Sheng; ZHU Chenggen; HU Jinfeng; LIU Yang; CHEN Xiaoguang; CHEN Naihong; WANG Wenjie; SHI Jiangong
Structure      13C NMR   碳谱模拟图
13 .     ursolic acid
    相似度:76.6%
Chinese Traditional and Herbal Drugs          2009          40          1704-1707
Chemical constituents of mangrove plant Excoecaria agallocha in Hainan Province
XU Jie; DENG Zhi-wei; LIN Wen-han; LI Qing-shan
Structure      13C NMR   碳谱模拟图
14 .     oleanolic acid
    相似度:76.6%
Chinese Journal of Natural Medicines          2009          7          425-427
Chemical Constituents from Houttuynia cordata
QU Wei; LIANG Jing-Yu; LI Meng-Ran
Structure      13C NMR   碳谱模拟图
15 .     3β-Oleanolic acid
C30H48O3     相似度:76.6%
Pharmazie          2004          59          807-811
A new furobenzopyranone and other constituents from Anaphalis lactea
Ai-Xia Wang, Qi Zhang, and Zhong-Jian Jia
Structure      13C NMR   碳谱模拟图
16 .     Ursolic acid
    相似度:76.6%
Archives of Pharmacal Research          2005          28          1135-1141
Inhibitory effect on TNF-α-induced IL-8 production in the HT29 cell of constituents from the leaf and stem ofWeigela subsessilis
Phuong Thien Thuong, WenYi Jin, JongPill Lee, RackSeon Seong and Young-Mi Lee, et al.
Structure      13C NMR   碳谱模拟图
17 .     ursolic acid
    相似度:76.6%
Chinese Pharmaceutical Journal          2011          46          504-506
Study on Triterpenoid Constituents in the Leaves of Paulownia fortunei
ZHANG De-li, LI Xiao-qiang, LI Chong
Structure      13C NMR   碳谱模拟图
18 .     ursolic acid
    相似度:76.6%
Modern Chinese Medicine          2008          10(3)          10-12
Studies on the chemical constituents of Potentill anserine L.
Chu Liang, Wang Libo, Zhang Zhe, Gao Huiyuan, Huang Jian, Sun Bohang, Wu Lijun
Structure      13C NMR   碳谱模拟图
19 .     ursolic acid
C30H48O3     相似度:76.6%
Journal of Shenyang Pharmaceutical University          2011          28          425-428
Isolation and identification of quinones constituents from root cortex of Morinda officinalis How.
LI Chen-yang, GAO Hao, JIAO Wei-hua, DING Bo, LI Xiao-bin, YAO Xin-sheng
Structure      13C NMR   碳谱模拟图
20 .     philoxeroic acid
    相似度:76.6%
Journal of China Pharmaceutical University          1995          26          263-267
Studies on Constituents of Alternanthera philoxeroides (Mart)Griseb
He Liwen; Meng Zhengmu
Structure      13C NMR   碳谱模拟图
21 .     ursolic acid
    相似度:76.6%
Natural Product Research and Development          1997          9(2)          4-6
NON-ALKALOIDAL CONSTITUENTS FROM MECONOPSIS PUNICEA MAXIM
Zhang Guolin; Li Bogang; Zhou Zhengzhi
Structure      13C NMR   碳谱模拟图
22 .     oleanolic acid
    相似度:76.6%
Phytotherapy Research          2009          23          614-618
Triterpene acids isolated from Lagerstroemia speciosa leaves as α-glucosidase inhibitors
Wenli Hou, Yanfang Li, Qiang Zhang, Xin Wei, Aihua Peng, Lijuan Chen and Yuquan Wei
Structure      13C NMR   碳谱模拟图
23 .     compound 31
C30H49NO4     相似度:76.6%
Heterocycles          2012          85          1117-1139
Synthesis and Biological Evaluation of Oleanolic Acid Derivatives as Novel Inhibitors of Protein Tyrosine Phosphatase 1B
Hui Li, Hui Zou, Lixin Gao, Ting Liu, Fan Yang, Jingya Li, Jia Li,* Wen-Wei Qiu,* and Jie Tang
Structure      13C NMR   碳谱模拟图
24 .     ursolic acid
    相似度:76.6%
Medicinal Chemistry Research          2012          21          4324-4329
Antioxidant and a-glucosidase inhibitory compounds from Pimpinella candolleana Wight et Arn.
Xing Chang • Wenyi Kang
Structure      13C NMR   碳谱模拟图
25 .     oleanolic acid
C30H46O3     相似度:76.6%
Chinese Journal of Natural Medicines          2011          9          176-179
Chemical Constituents from the Stems of Ilex pubescens var. glabra
LIN Li-Ping, QU Wei, LIANG Jing-Yu
Structure      13C NMR   碳谱模拟图
艰难困苦,玉汝于成。
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