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粒粒橙happy

银虫 (小有名气)

[求助] 维普求助

C谱数据如下13C NMR (126 MHz, Pyr) δ
15.00,16.60,18.03,18.53,21.27,21.34,21.60,21.90,22.98,23.22,25.91,26.74,27.82,36.53,36.93,37.62,41.30,42.97,50.02,57.25,70.62,73.01,74.65,76.65,79.24,111.14,121.91,142.33,144.09,168.52,170.30
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Everythingispossible.
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lifeliuyan

至尊木虫 (职业作家)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
粒粒橙happy: 金币+10 2013-10-22 11:31:37
查询结果:共查到3776个化合物(查询结果仅供参考)  
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1 .     khivorin
     相似度:81.2%
Natural Product Research          2008          22          763-800
13C NMR spectroscopy of D and B, D-ring seco-limonoids of Meliaceae family
T. Narender; T. Khaliq; Shweta
Structure      13C NMR   碳谱模拟图

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2 .     khivorin
     相似度:81.2%
Journal of the Chemical Society, Perkin Transactions 1          1974                   437-441
13 C nuclear magnetic resonance spectra of some limonoids. Part I. The structure of procerin, an extractive from Carapa procera
David A. H. Taylor
Structure      13C NMR   碳谱模拟图

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3 .     havanensin triacetate
     相似度:75%
Phytochemistry          1990          29          2953-2956
Limonoids from Trichilia havanensis
Carlos Arenas,Lydia Rodriguez-Hahn
Structure      13C NMR   碳谱模拟图

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4 .     3α,22α-diacetoxy-20β,21α,29-trihydroxy-30-norolean-12-ene
C33H52O7     相似度:69.6%
Journal of Natural Products          2008          71(5)          789-792
Oleanane-Type Triterpenes from the Flowers and Roots of Saussurea muliensis
Chun-Mei Liu, He-Xiang Wang, Shi-Lei Wei, and Kun Gao
Structure      13C NMR   碳谱模拟图

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5 .     (3S*,8R*,13R*,-14R*,15S*,17R*,18R*,21R*) 15-O-acetyl-8,13;14,18-diepoxy-17,18-diepi-13,18-seco-onocerane-3,15,21-triol
     相似度:68.7%
Organic Letters          2011          Vol.13,No.6          1354-1357
Phyteumosides A and B: New Saponins with Unique Triterpenoid Aglycons from Phyteuma orbiculare L.
Christian Abbet, Markus Neuburger, Trixie Wagner, Melanie Quitschau,Matthias Hamburger, and Olivier Potterat
Structure      13C NMR   碳谱模拟图

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6 .     3α,7α-dideacetylkhivorin
C28H38O8     相似度:67.7%
Phytotherapy Research          2007          21          731-734
Anticancer activity of limonoid from Khaya senegalensis
Huaping Zhang, Xi Wang, Feng Chen, Xiao M. Androulakis and Michael J. Wargovich
Structure      13C NMR   碳谱模拟图

--------------------------------------------------------------------------------


7 .     chisopanin L
C30H44O7     相似度:67.7%
Canadian Journal of Chemistry          2012          90          199-204
Four new triterpenoids from Chisocheton paniculatus and their anti-inflammatory activities
Ming-Hua Yang, Jun-Song Wang, Jian-Guang Luo, Xiao-Bing Wang, Ling-Yi Kong
Structure      13C NMR   碳谱模拟图

--------------------------------------------------------------------------------


8 .     yunnanterpene E
C30H46O5     相似度:67.7%
Journal of Natural Products          2013          76          896-902
Triterpenes from the Aerial Parts of Cimicifuga yunnanensis and Their Antiproliferative Effects on p53N236S Mouse Embryonic Fibroblasts
Yin Nian, Hui Zhu, Wen-Ru Tang, Yin Luo, Jiang, Du, and Ming-Hua Qiu
Structure      13C NMR   碳谱模拟图

--------------------------------------------------------------------------------


9 .     3β-acetoxy-20-taraxasten-22α-ol
C32H52O3     相似度:65.6%
Journal of Natural Products          2000          63          898-901
Taraxastane-Type Triterpenes from the Aerial Roots of Ficus microcarpa
Y. M. Chiang and Y. H. Kuo
Structure      13C NMR   碳谱模拟图

--------------------------------------------------------------------------------


10 .     compound 7
C32H54O5     相似度:65.6%
Chemistry of Natural Compounds          1981          17          249-253
TRITERPENOIDS FROM THE LEAVES OF FAR EASTERN SPECIES OF THE SHRUBBIRCHES Betula ovalifolia AND B. middendorfii
G. V. Malinovskaya, N. D. Pokhilo, V. V. Makhan'kov, V. L. Novikov, and N. I. Uvarova
Structure      13C NMR   碳谱模拟图

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11 .     urs-20-en-3β-acetoxy-22α-ol
C32H52O3     相似度:65.6%
Chinese Chemical Letters          2000          11          711-712
A New Ursene Type Triterpenoid from Crepis napifera
Shao Hua WU, Xiao Dong LUO, Yun Bao MA, Da Gang WU
Structure      13C NMR   碳谱模拟图

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12 .     taraxaster-20-en-13β,16α-diol-acetate
     相似度:65.6%
Chinese Traditional and Herbal Drugs          2001          32          97-99
Studies on chemical constituents of Ixeris sonchifolia
FENG Xi zhi; XU Sui xu; YAO Jin peng; SHA Yi; LI Wen
Structure      13C NMR   碳谱模拟图

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13 .     3β-acetoxy-18α,19α-epoxylupan-21β-ol
C32H52O4     相似度:65.6%
Tetrahedron          2013          69          1583-1589
Officinatrione: an unusual (17S)-17,18-seco-lupane skeleton, and four novel lupane-type triterpenoids from the roots of Taraxacum officinale
Daisuke Saeki, Takeshi Yamada, Yasuko In, Tetsuya Kajimoto, Reiko Tanaka, Yota Iizuka, Takahisa Nakane, Akihito Takano, Kazuo Masuda
Structure      13C NMR   碳谱模拟图

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14 .     7-acetylsendanin
C34H42O13     相似度:64.7%
Chemical & Pharmaceutical Bulletin          1995          43          1171-1175
Cytotoxic Limonoids and Tetranortriterpenoids from Melia azedarach
Hideji ITOKAWA,Zhi-Sheng QIAO,Chieko HIROBE and Koichi TAKEYA
Structure      13C NMR   碳谱模拟图

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15 .     compound 3b
C31H48O9     相似度:64.5%
Journal of Natural Products          2005          68          554-558
Manoyl Oxide Diterpenoids from Grindelia scorzonerifolia
Mara Ins Ybarra, Susana Popich, Susana A. Borkosky, Yoshinori Asakawa, and Alicia Bardn
Structure      13C NMR   碳谱模拟图
2楼2013-10-22 11:22:55
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lhg0209asd

银虫 (正式写手)

典型的三萜或甾体,极可能含有两个被双键共轭的-COOH或酯基,查询相关文献还是很好解的
3楼2013-10-22 14:02:04
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