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18298419087

金虫 (小有名气)

[求助] 微谱求助一化合物结构

13C NMR (101 MHz, CDCl3) δ 199.58,171.64,123.72,56.02,55.88,53.82,45.84,42.39,39.63,38.60,36.10,35.69,35.63,33.97,33.89,32.94,32.05,29.17,28.17,26.11,24.17,23.08,21.03,19.79,19.02,18.69, 17.38,11.96,11.94
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lhg0209asd

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【答案】应助回帖

感谢参与,应助指数 +1
还是要拿H谱,以我的经验你这里有一个C=O,和一个O-C=O,像是三萜的,但你的双键信号123.72只有一个不太正常,可能是重叠在一起,你积分一下,可能是两个123.72
2楼2012-07-27 08:43:58
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