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zhiwu1983

木虫 (正式写手)

[求助] 求助微谱数据查询

碳谱数据如下:
11.9,12.0,16.4,18.7,19.0,19.8,20.8,22.7,23.9,25.6,27.9,28.8,30.1,31.1,32.1,33.4,34.6,35.7,37.9,39.9,40.9,42.4,44.6,45.2,55.8,55.9,65.9,74.2,74.4
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yaolan123

禁虫 (职业作家)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
zhiwu1983: 金币+15, ★★★★★最佳答案 2013-05-29 16:31:50
查询结果:共查到15个化合物(查询结果仅供参考)  
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1 .     5α,6β-dihydroxysitosterol
C29H52O3     相似度:89.6%
Steroids          2005          70          886-895
Gram-scale chromatographic purification of β-sitosterol: Synthesis and characterization of β-sitosterol oxides
Xin Zhang, Philippe Geoffroy, Michel Miesch, Diane Julien-David, Francis Raul, Dalal Aoudé-Werner, Eric Marchioni
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

2 .     (24S)-24-ethylcholesta-3β,5α,6β-triol
    相似度:86.2%
Journal of Natural Products          1992          Vol 55          1310
Studies on Marine Chemicals, Part IV. Isolation of Cholesterol Derivatives from the Marine Sponge Spirastrella inconstans
B. Das, K. V. N. S. Srinivas
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

3 .     24ξ-methylcholestane-3β,5α,6β,25-tetrol
C28H50O4     相似度:86.2%
Acta Scientiarum Naturalium Universitatis Sunyatseni          1994          33(1)          123-126
Studies on the Marine Soft Coral Lobiphytum caledonense Tix DurⅡ, Polyhydroxysteriods
Meng Yanhui, Su Jingyu, Zeng Longmei, Cui Yusheng
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

4 .     (24S)-24-ethyl-5α-cholestane-3β,5-diol
    相似度:82.7%
Planta Medica          1993          59          572-573
Two New Sterols from the Marine Red Alga Gracilaria edulis
B. Das and K. V. N. S. Srinivas
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

5 .     (24R)-3β-chloro-5,7α-Dibromo-5α -stigmastan-6-one
    相似度:82.7%
Chemistry of Natural Compounds          2002          38          257-263
SYNTHESIS AND DEHYDROHALOGENATION OF 3b-CHLORO-5a,7a-DIBROMO-6-KETOSTEROIDS OF THE STIGMASTANE AND CHOLESTANE SERIES
N. V. Kovganko and V. L. Survilo
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

6 .     (24R,6E)-24-ethyl-5α-cholestan-6-hydroximino-3β,5-diol
    相似度:82.7%
Chemistry of Natural Compounds          2001          37          351-355
13C NMR SPECTRA OF 6-HYDROXIMINOSTEROIDS OF THE STIGMASTANE SERIES
N. V. Kovganko and Yu. G. Chernov
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

7 .     (24R,6E)-24-Ethyl-5α-eholestan-6-hydroximino-3β,5-diol
    相似度:82.7%
Chemistry of Natural Compounds          2000          36          189-191
NOVEL SYNTHESIS OF (24R,6E)-24-ETHYLCHOLEST-6-HYDROXYIMINO-4-EN-3-ONE, A STEROIDAL OXIME FROM Cinachyrella spp. SPONGES
N. B. Kovganko and Yu. G. Chernov
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

8 .     compound 4
    相似度:82.7%
Chemistry of Natural Compounds          1999          35          646-649
13C NMR SPECTRA OF II-SITOSTEROL DERIVATIVES WITH OXIDIZED RINGS A AND B
N. V. Kovganko, Zh. N. Kashkan,E. V. Borisov, and E. V. Batura
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

9 .     numersterol B
C29H50O3     相似度:82.7%
Journal of Natural Products          1989          Vol 52          934
Noval Polyhydroxylated sterols from the Soft Coral Sinularia numerose
Jingyu Su, Xiaoqiang Yu, Longmei Zeng, Thomas C. W. Mak
Structure      13C NMR   碳谱模拟图
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10 .     (24S)-ergostane-3β,5α,6β,25-tetraol
C28H50O4     相似度:82.7%
Journal of Natural Products          1992          Vol 55          904
Polyhydroxysterols from the Soft Coral Sarcophyton subviride of Andaman and Nicobar Coasts
B. Lakshmana Raju, Gottumukkala V. Subbaraju, M. C. Reddy, D. Venkata Rao, Ch. Bheemasankara Rao, Vegesna S. Raju
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

11 .     5,6α-epoxy-5α-stigmastan-3β-ol
C29H50O2     相似度:82.7%
Magnetic Resonance in Chemistry          2006          44          817-819
Two isomeric epoxysitosterols from Rhododendron formosanum: 1H and 13C NMR chemical shift assignments (pages 817–819)
Vivek Krishna, Chi-I Chang and Chang-Hung Chou
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

12 .     5α-stigmastane-3β,6β-diol
C29H52O2     相似度:82.7%
Archives of Pharmacal Research          2005          28          1147-1151
Antimicrobial constituents from fruits of Ailanthus altissima SWINGLE
Chun-Chao Zhao, Jian-Hua Shao, Xian Li, Jing Xu and Peng Zhang
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

13 .     24α-ethyl-cholestan-3α-ol
    相似度:82.7%
Chinese Journal of Organic Chemistry          2005          25          1100-1102
Steroids from Pliocene Fossil Pinus armandii
ZHAO, You-Xing LI, Cheng-Sen LUO, Xiao-Dong YI, Tie-Mei ZHOU, Jun*
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

14 .     24(S)-ergostan-3β,5α,6β,25-tetraol
C28H50O4     相似度:82.7%
Acta Scientiarum Naturalium Universitatis Sunyatseni          2005          44(4)          59-62
Studies on the Chemical Constituents of Soft Coral Sarcophyton tortuosum
LAN Wen-jian, SU Jing-yu, ZENG Long-mei
Structure      13C NMR   碳谱模拟图
--------------------------------------------------------------------------------

15 .     compound 8(24R)
    相似度:82.7%
Shoyakugaku Zasshi          1992          46          302-309
Chemical Components of a Commercial Crude Drug "Byakken" (Ampelopsis Radix)
KATO TAKESHI, SUYAMA TETSUO, YAMANE FUJITOSHI, MORITA YUTAKA
Structure      13C NMR   碳谱模拟图
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