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hejiangbo

木虫 (著名写手)

[求助] 求助微谱数据查询

相似度:50%
溶剂:氯仿
核磁数据:14.7,15.4,16.0,16.3,17.7,18.3,21.6,22.5,27.0,27.4,27.6,27.9,29.7,32.1,34.3,36.7,38.8,39.2,41.7,48.6,50.5,55.4,65.5,79.0,120.7,143.8
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木风枫pan

木虫 (小有名气)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
hejiangbo: 金币+15, ★★★★★最佳答案, 谢谢 2012-11-17 21:38:20
1 .     taraxast-20-ene-3β,30-diol
C30H50O2     相似度:83.3%
Phytochemistry          2001          58          1107-1111
Taraxastane-type triterpenoids from Saussurea petrovii
Jingqiu Dai, Chenyang Zhao, Qi Zhang, Zhong-Li Liu, Rongliang Zheng, Li Yang
Structure      13C NMR   碳谱模拟图

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

2 .     3β,30-dihydroxyl-20(21)en-taraxastane
C30H50O2     相似度:83.3%
Chinese Chemical Letters          2001          12          151-154
Two New Triterpenoids from Saussurea petrovii
Jing Qiu DAI, Bo ZHOU, Yu Li WANG, Li YANG, Zhong Li LIU
Structure      13C NMR   碳谱模拟图

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

3 .     3β-hydroxy-20,20-(ethylenedioxy)-22,23,24,25,26,27-hexanordammarane
C29H48O3     相似度:80.7%
The Journal of Organic Chemistry          1999          64          9587-9595
The Fluorine Atom as a Cation-Stabilizing Auxiliary in Biomimetic Polyene Cyclizations:  Total Synthesis of dl-Dammarenediol1
William S. Johnson, William R. Bartlett, Boris A. Czeskis, Arnaud Gautier, Cheol H. Lee, Rémy Lemoine, Eric J. Leopold, Gregory R. Luedtke, and Katherine J. Bancroft
Structure      13C NMR   碳谱模拟图
2楼2012-11-17 14:00:35
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