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北京石油化工学院2026年研究生招生接收调剂公告
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sweety_3032

银虫 (小有名气)

[求助] 微谱求助一化合物的结构

13C NMR (101 MHz, CDCl3) δ
199.68,171.73,123.72,55.98,55.86,53.80,45.80,42.37,39.61,38.60,36.11,35.68,35.61,33.99,33.86,32.96,32.04,29.11,28.19,26.02,24.18,23.04,21.02,19.82,19.01,18.70,17.38,11.97,11.96
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wm0629

铁杆木虫 (著名写手)

【答案】应助回帖

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感谢参与,应助指数 +1
sweety_3032: 金币+10, ★★★很有帮助 2013-04-01 23:45:29
1 .     β-sitostenone
C29H48O     相似度:100%
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Structure      13C NMR   碳谱模拟图
2 .     stigmast-4-en-3-one
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3 .     β-sitostenone
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Structure      13C NMR   碳谱模拟图
5 .     stigmast-4-en-3-one
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Structure      13C NMR   碳谱模拟图
6 .     stigmastan-4-en-3-one
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Journal of Natural Products          1990          Vol 53          1430
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Structure      13C NMR   碳谱模拟图
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Phytochemical Constituents of Schizonepeta tenuifolia Briquet
Lee, Il-Kyun; Kim, Min-Ah; Lee, Seung-Young; Hong, Jong-Ki; Lee, Jei-Hyun; Lee, Kang-Ro
Structure      13C NMR   碳谱模拟图
8 .     (24R)-Stigmast-4-ene-3-one
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9 .     stigmast-4-en-3-one
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Structure      13C NMR   碳谱模拟图
11 .     stigmasta-4-en-3-one
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Sterols from the mangrove plant Acanthus ilicifolius
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Structure      13C NMR   碳谱模拟图
12 .     β-sitostenone
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NAN Hai-han, YIN Hao, ZHANG Si
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13 .     stigmasta-4-en-3-one
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Studies on chemical constituents in ethanol ic extract from A-ca nt hus ilici f olius as a pharmaceutic mangrove
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Structure      13C NMR   碳谱模拟图
14 .     β-Sitostenone
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Chemical constituents from the roots of Xanthium sibiricum
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Structure      13C NMR   碳谱模拟图
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C29H48O     相似度:100%
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18 .     sitosterone
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19 .     stigmast-4-en-3-one
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Structure      13C NMR   碳谱模拟图
艰难困苦,玉汝于成。
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