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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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杨大松

至尊木虫 (文坛精英)

[求助] 求助微谱数据,谢谢

此化合物共28个碳,我从三个不同植物中都分到,觉得是个常见甾体,但都不符合,碳谱数据如下:
11.9,12.3,19.6,19.7,21.2,21.3,22.6,22.7,24.5,24.7,26.5,27.9,32.7,32.8,37.2,37.4,37.5,39.3,40.2,42.3,72.6,140.1,140.3,140.5,144.4,187.2,187.7
谢谢!
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碧雪清谭
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杨大松

至尊木虫 (文坛精英)

此化合物分子量为447,ESI+470,ESI-446,郁闷很久,多谢。
碧雪清谭
2楼2012-06-16 16:47:37
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Keydream

木虫 (正式写手)

【答案】应助回帖


感谢参与,应助指数 +1
xiaoxiao270: 金币+1, 3Q 2012-06-16 20:56:44
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3楼2012-06-16 17:36:53
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Keydream

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【答案】应助回帖

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杨大松: 金币+15, ★★★★★最佳答案 2012-06-16 18:07:36
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
11.9,12.3,19.6,19.7,21.2,21.3,22.6,22.7,24.5,24.7,26.5,27.9,32.7,32.8,37.2,37.4,37.5,39.3,40.2,42.3,72.6,140.1,140.3,140.5,144.4,187.2,187.7  
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%)
4楼2012-06-16 17:37:19
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任晋

木虫 (正式写手)

哥们 你解出来了吗? 我也分到了 现在很郁闷!!!!
5楼2014-06-27 22:03:27
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杨大松

至尊木虫 (文坛精英)

引用回帖:
5楼: Originally posted by 任晋 at 2014-06-27 22:03:27
哥们 你解出来了吗? 我也分到了 现在很郁闷!!!!

α-tocopherol-quinone
碧雪清谭
6楼2014-06-29 09:35:24
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