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汕头大学海洋科学接受调剂
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rxm870202

木虫 (正式写手)

[求助] 求高手解谱 有氢谱和碳谱

其中A1已经解出为软木三萜酮
A2还没解出来 附上碳谱数据 11.6,15.7,16.1,16.3,17.5,18.1,18.4,18.6,19.5,20.1,23.6,25.4,27.7,28.1,28.2,28

.9,29.9,30.0,30.3,30.6,31.7,32.0,32.0,32.2,32.3,32.7,33.0,34.5,34.5,34.8,35.0

,35.1,35.3,35.5,35.9,36.0,37.0,37.7,38.3,38.9,39.2,40.7,41.6,42.7,43.0,47.3,4

9.1,49.6,53.1,61.2,72.7,76.3,122.0,141.5
其中有些峰很小 也给出积分了 觉得可能有些石油醚的溶剂峰 去除一些小峰之后的碳谱数据是
11.6,15.7,16.1,16.3,17.5,18.1,18.4,18.6,19.5,20.1,23.6,25.4,27.7,28.2,28.9,30

.0,30.3,30.6,31.7,32.0,32.0,32.2,32.3,32.7,33.0,34.5,34.5,34.8,35.0,35.1,35.3

,35.5,35.9,36.0,37.7,38.9,39.2,40.7,41.6,42.7,43.0,47.3,49.1,49.6,53.1,61.2,7

2.7,76.3,122.0,141.5
哪位大侠可以用微谱数据帮忙查一下~
谢谢
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troubleisafriend
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biobiopha_rd

金虫 (小有名气)

很明显混有一个次要成分,极性非常接近而已,小极性三萜常出现这种情况。
9楼2011-11-17 17:32:46
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夏天的雪2359

铁杆木虫 (著名写手)

笨笨的小虫

【答案】应助回帖

rxm870202(金币+30): 谢谢 2011-11-11 10:59:30
用的是去除小峰的碳谱:
查询模式:模糊查询  
碳谱数据输入:
按从小到大顺序输入,数字间用英文半角逗号(,)分隔例如:
21.4,30.4,37.4,73.2,73.7,125.6,126.6,139.6,140.2,168.2
11.6,15.7,16.1,16.3,17.5,18.1,18.4,18.6,19.5,20.1,23.6,25.4,27.7,28.2,28.9,30.0,30.3,30.6,31.7,32.0,32.0,32.2,32.3,32.7,33.0,34.5,34.5,34.8,35.0,35.1,35.3,35.5,35.9,36.0,37.7,38.9,39.2,40.7,41.6,42.7,43.0,47.3,49.1,49.6,53.1,61.2,72.7,76.3,122.0,141.5
  
溶剂选项: 全部 CDCl3 CD3CD2OD CD2Cl2 C5D5N C3D7NO CD3SOCD3 C4D8O (CH3)4Si C4D8O2 CD3COOD C4D8O2 H2O D2O CF3COOD CD3OD ND3 CD3COCD3 C6D6 CD3CN 查询空值  
匹配容差: (数字格式,可自行设定)
相似度:  %(相似度>=50%)  




查询结果:共查到591个化合物(查询结果仅供参考)  
--------------------------------------------------------------------------------

1 .     3β-hydroxy-35-(cyclohexyl-5'-propan-7'-one)-33-ethyl-34-methyl-bactereohopane
C47H82O2     相似度:70%
Chinese Chemical Letters          2011          22          81-84
A novel bacteriohopanoid from Celtis australis L. bark
Ruchi Badoni, Deepak Kumar Semwal, Prabhakar P. Badoni, Sudhir Kumar Kothiyal, Usha Rawat
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

2 .     5α,14α-cevanin-6-O-20β-hydroxy-3β-yl-3α,6α-dihydroxy-5β-cholan-24-oate
C51H81NO6     相似度:66.6%
Steroids          2009          74          424-434
Structural analysis and antitussive evaluation of five novel esters of verticinone and bile acids
Jiu-liang Zhang, Hui Wang, Hui-fang Pi, Han-li Ruan, Peng Zhang, Ji-zhou Wu
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

3 .     5α-stigmast-9(11)-en-3β-ol-tetraco santrienoic acid ester
    相似度:65.3%
China Journal of Chinese Materia Medica          1996          21          666-667
Studies on Chemical Components of Cynomorium songaricum Rupr.
Xu Xiuzhi, Zhang Chengzhong and Li Chong
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

4 .     5α,14α-cevanin-6-O-20β-hydroxy-3β-yl-3α,7α,12α-trihydroxy-5β-cholan-24-oate
C51H81NO7     相似度:64.7%
Steroids          2009          74          424-434
Structural analysis and antitussive evaluation of five novel esters of verticinone and bile acids
Jiu-liang Zhang, Hui Wang, Hui-fang Pi, Han-li Ruan, Peng Zhang, Ji-zhou Wu
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

5 .     5α,14α-cevanin-6-O-20β-hydroxy-3β-yl-3α,7α-dihydroxy-5β-cholan-24-oate
C51H81NO6     相似度:64.7%
Steroids          2009          74          424-434
Structural analysis and antitussive evaluation of five novel esters of verticinone and bile acids
Jiu-liang Zhang, Hui Wang, Hui-fang Pi, Han-li Ruan, Peng Zhang, Ji-zhou Wu
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

6 .     5α,14α-cevanin-6-O-20β-hydroxy-3β-yl-3α,12α-dihydroxy-5β-cholan-24-oate
C51H81NO6     相似度:62.7%
Steroids          2009          74          424-434
Structural analysis and antitussive evaluation of five novel esters of verticinone and bile acids
Jiu-liang Zhang, Hui Wang, Hui-fang Pi, Han-li Ruan, Peng Zhang, Ji-zhou Wu
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

7 .     N-(Cholest-5-en-3β-yl)-3β-hydroxyandrost-5-ene-17β-carboxamide
C47H75NO2     相似度:62%
Steroids          2009          74          88-94
Steroids linked with amide bond—Extended cholesterol
Ivan Černý, Miloš Buděšínský, Vladimír Pouzar, Pavel Drašar
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

8 .     daucosterol+stigmasterol-3-O-glucopyranoside
    相似度:60.7%
Chinese Traditional and Herbal Drugs          2004          35          608-611
Studies on chemical constituents of Indigofera carlesii
SU Yan-fang; ZHANG Xin-xin; YANG Jing; GUO Zeng-jun; Lü Ju-xian; GUO De-an
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

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C46H76O4     相似度:60%
Helvetica Chimica Acta          2004          Vol. 87          46
Palmitoleate (=(9Z)-Hexadeca-9-enoate) Esters of Oleanane Triterpenoids from the Golden Flowers of Tagetes erecta: Isolation and Autoxidation Products
Shaheen Faizi and Aneela Naz
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

10 .     procrim a
C46H80O3     相似度:60%
Chemical & Pharmaceutical Bulletin          2002          50(3)          439-440
Two Novel Long-Chain Alkanoic Acid Esters of Lupeol from Alecrim-Propolis
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Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

11 .     procrim b
C30H49     相似度:60%
Chemical & Pharmaceutical Bulletin          2002          50(3)          439-440
Two Novel Long-Chain Alkanoic Acid Esters of Lupeol from Alecrim-Propolis
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--------------------------------------------------------------------------------

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Lutfun Nahar, Alan B. Turner
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

13 .     reglin
C50H70O8     相似度:60%
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Abietane and clerodane diterpenes from Salvia regla
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Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

14 .     taibaienoside V
C52H86O14     相似度:60%
Chinese Pharmaceutical Journal          1997          32          78-80
Two new oleanolic acid saponins from the root bark of Aralia taibaiensis
Tang Haifeng(Tang HF), Yi Yanghua(Yi YH), Wang Zhongzhuang(Wang ZZ), et al
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

15 .     (cis)-2-(4-{2-[(ethoxycarbonyl)amino]ethoxy}benzyl)cyclohexyl (3α,5β,7α,12α)-7,12-bis(formyloxy)-3-hydroxycholan-24-oate
    相似度:60%
Bioorganic & Medicinal Chemistry          2010          18          8194-8203
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Structure      13C NMR   碳谱模拟图
Today-is-a-gift!
2楼2011-11-11 10:19:58
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rxm870202

木虫 (正式写手)

引用回帖:
2楼: Originally posted by 夏天的雪2359 at 2011-11-11 10:19:58:
用的是去除小峰的碳谱:
查询模式:模糊查询  
碳谱数据输入:
按从小到大顺序输入,数字间用英文半角逗号(,)分隔例如:
21.4,30.4,37.4,73.2,73.7,125.6,126.6,139.6,140.2,168.2
11.6,15.7,16.1,16.3,17.5 ...

能不能把第一个化合物的结构和碳谱数据给我发过来 谢谢了
troubleisafriend
3楼2011-11-11 10:42:49
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rxm870202

木虫 (正式写手)

【答案】应助回帖


qinhy(金币+1, PhEPI+1): 多谢回帖~ 2011-11-17 22:17:08
引用回帖:
2楼: Originally posted by 夏天的雪2359 at 2011-11-11 10:19:58:
用的是去除小峰的碳谱:
查询模式:模糊查询  
碳谱数据输入:
按从小到大顺序输入,数字间用英文半角逗号(,)分隔例如:
21.4,30.4,37.4,73.2,73.7,125.6,126.6,139.6,140.2,168.2
11.6,15.7,16.1,16.3,17.5 ...

溶剂为氘代氯仿
troubleisafriend
4楼2011-11-11 10:43:42
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