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zatcggh

银虫 (小有名气)

[求助] 谱图解析的疑惑

现在的思路是豆甾醇类的化合物,但是碳谱中的175和208无法解释,在查阅文献的过程中出现了豆甾醇母体与糖连接后又与直链烷酸连接的化合物,这样可以解释175,最后纠结的是208的归宿,请各位高手出出主意,不生感谢,另外将碳谱数据附上,请有微谱13C-NMR库的虫友帮忙看一下,有什么化合物结构相似的。不胜感谢!!!
11.94,14.16,19.08,19.41,19.88,21.70,22.80,23.17,24.40,25.04,26.14,28.36,30.96,32.05,32.72,34.05,34.51,36.81,37.37,38.81,39.87,42.45,45.96,50.30,51.72,56.16,56.81,61.18,61.99,70.26,72.12,73.65,75.75,75.86,76.51,79.29,101.21,122.30,129.40,129.96,130.89,138.47,140.39,175.96,208.75




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jiangchunyong

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novus(金币+1): 谢谢交流! 2011-09-29 12:09:23
zatcggh(金币+5): 谢谢 2011-09-30 00:04:57
用过丙酮吗 丙酮在30左右和200左右会出峰的哦
2楼2011-09-29 10:03:23
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zuoax

木虫 (著名写手)

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zatcggh(金币+5): 谢谢 2011-09-30 00:05:08
做个质谱再确定吧
3楼2011-09-29 11:04:04
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