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杨大松

至尊木虫 (文坛精英)

[求助] 求助微谱数据

结构有15个碳为一个可能是倍半萜:
碳谱数据如下:
17.19,22.88,27.67,29.92,34.50,37.02,40.72,41.54,42.38,46.39,77.06,106.86,120.39,142.35,149.19
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碧雪清谭
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二氯甲烷

金虫 (正式写手)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
豆哥: 金币+1, 谢谢参与交流 2012-06-16 15:02:52
杨大松: 金币+15 2012-06-16 15:05:46
1 .     Isoalantolactone
    相似度:93.3%
Chemistry of Natural Compounds          2006          42          400-406
ACIDIC ISOMERIZATION OF ALANTOLACTONE DERIVATIVES
S. G. Klochkov, S. V. Afanas'eva, and A. N. Pushin
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

2 .     isoalantolactone
    相似度:93.3%
Natural Product Research and Development          2009          21          616-618
Study on the Chemical Components of the Inula helenium
ZHAO Yong-ming;ZHANG Man-li; HUO Chang-hong
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

3 .     β-Cyclocostunolide
    相似度:86.6%
Phytochemistry          1982          21          1679-1691
New sesquiterpene lactones, geranyllinalol derivatives and other constituents from Geigeria species
Ferdinand Bohlmann, Christa Zdero, Maniruddin Ahmed
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

4 .     compound 2
    相似度:80%
Phytochemistry          1985          24          1199-1201
Ant-repellent sesquiterpene lactones from Eupatorium quadrangularae
Adewole L. Okunade, David F. Wiemer
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

5 .     compound 3
    相似度:73.3%
Phytochemistry          1985          24          1199-1201
Ant-repellent sesquiterpene lactones from Eupatorium quadrangularae
Adewole L. Okunade, David F. Wiemer
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

6 .     11,13-dihydroisoalantolactone
    相似度:73.3%
Natural Product Research and Development          2009          21          616-618
Study on the Chemical Components of the Inula helenium
ZHAO Yong-ming;ZHANG Man-li; HUO Chang-hong
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

7 .     compound 28
C14H20O2     相似度:66.6%
Journal of the Chemical Society, Perkin Transactions 1          1993                   239-247
Total synthesis of three eudesman-12,8-olides, (±)-isoalantolactone, (±)-dihydrocallitrisin and (±)-septuplinolide; structure revision of septuplinolide
Masahiro Tada, Hirokazu Yamada, Akira Kanamori and Kazuhiro Chiba
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

8 .     (1β,3β,4β,7β,8β,11β)-1,3-dihydroxyeudesm-5-eno-12,8-lactone
C15H20O4     相似度:66.6%
Helvetica Chimica Acta          2011          94          1269-1276
Sesquiterpenoids from the Aerial Parts of Inula japonica
Hai-Qun Gong, Quan-Xiang Wu, Lei-Lei Liu, Jun-Li Yang, Rui Wang, and Yan-Ping Shi*
Structure      13C NMR   碳谱模拟图
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2楼2012-06-16 14:25:02
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