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小侠加油

木虫 (小有名气)

[求助] LF-96 已有1人参与

13C NMR (101 MHz, CDCl3) δ7.4,9.5,17.6,18.6,18.9,21.4,21.6,27.1,27.3,27.7,36.7,38.6,43.4,45.3,47.0,48.6,52.4,55.7,56.6,67.6,69.3,70.7,82.8,84.7,105.9,120.9,127.8,129.9,154.4,195.4,210.1
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yangyinhe

至尊木虫 (著名写手)

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小侠加油: 金币+8, ★★★★★最佳答案 2015-06-05 17:04:19
1 .     13β,28-epoxy-3 -hydroxy-12-oxoursan-23-al
C30H46O4     相似度:58.0%
Journal of Natural Products          2009          72          1231-1236
Cytotoxic Triterpenoids from the Stems of Microtropis japonica
I-Hsiao Chen, Mei-Chin Lu, Ying-Chi Du, Ming-Hong Yen, Chin-Chung Wu, Yung-Husan Chen,Chih-Sheng Hung,Shu-Li Chen, Fang-Rong Chang, and Yang-Chang Wu
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图

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2 .     Physalin I
C29H34O10     相似度:58.0%
Journal of Natural Products          2008          71(4)          642-646
Steroids and Flavonoids from Physalis alkekengi var. franchetii and Their Inhibitory Effects on Nitric Oxide Production
Li Qiu, Feng Zhao, Zhi-Hu Jiang, Li-Xia Chen, Qian Zhao, Hong-Xia Liu, Xin-Sheng Yao, and Feng Qiu
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图

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3 .     compound 4
    相似度:58.0%
Magnetic Resonance in Chemistry          1986          24          534-543
Identification of guayule triterpenes by two-dimensional and multipulse NMR techniques
Richard A. Komoroski, Earl C. Gregg, John P. Shockcor and J. Michael Geckle
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图

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4 .     3β,5β-Dihydroxy-6-O-benzylhydroximino-B-norcholestane
C34H53NO3     相似度:58.0%
Steroids          2014          79          37-43
Synthesis and in vitro antiproliferative evaluation of some novel B-norcholesterols
Chunfang Gan, Qifu Lin, Jianguo Cui, Jidan Feng, Jinni Guo, Huoying Liao, Yanmin Huang
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图

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5 .     charantin A
C31H50O4     相似度:58.0%
Journal of Asian Natural Products Research          2014          16          358-363
Cucurbitane-type triterpenoids from the leaves of Momordica charantia
Yu-Bo Zhang, Huan Liu, Cun-Ya Zhu, Mao-Xin Zhang, Yao-Lan Li, Bing Ling & Guo-Cai Wang
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图

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6 .     (24E)-3-oxo-27,28-dihydroxycycloart-24-en-26-oic acid
C30H46O5     相似度:54.8%
Journal of Natural Products          2009          72          1283-1287
Chemical Constituents of Propolis from Myanmar and Their Preferential Cytotoxicity against a Human Pancreatic Cancer Cell Line
Feng Li, Suresh Awale, Hongyan Zhang, Yasuhiro Tezuka, Hiroyasu Esumi, and Shigetoshi Kadota
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图

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7 .     sphenasin A
C27H38O4     相似度:54.8%
Phytochemistry          2008          69          2862-2866
Nortriterpenoids and lignans from Schisandra sphenanthera
Wei-Lie Xiao, Sheng-Xiong Huang, Rui-Rui Wang, Jia-Liang Zhong, Xue-Mei Gao, Fei He,Jian-Xin Pu, Yang Lu, Yong-Tang Zheng, Qi-Tai Zheng, Han-Dong Sun
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图

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8 .     24-methylenecycloartane-3,28-diol
C31H52O2     相似度:54.8%
Phytochemistry          2007          68          1255-1260
Diterpenoids and triterpenoids from Euphorbia guyoniana
Hamada Haba, Catherine Lavaud, Hassina Harkat, Abdulmagid Alabdul Magid,Laurence Marcourt, Mohammed Benkhaled
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图
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