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douxiaobeng

木虫 (著名写手)

[求助] 维普求助 已有1人参与

209.25, 205.73, 171.81, 167.72, 153.38, 146.67, 140.15, 129.32, 125.57, 118.80, 106.64, 81.75, 80.84, 78.99, 78.62, 76.85, 61.63, 61.07, 54.59. 53.70, 51.11, 49.82, 49.70, 46.24, 34.30, 31.64, 31.03, 25.74, 24.78, 22.20, 21.90, 19.16, 17.25
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欣颀嘉瑜

铁杆木虫 (著名写手)

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2楼2015-04-21 15:02:28
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笑多会怀孕

铁杆木虫 (著名写手)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
douxiaobeng: 金币+20, ★★★很有帮助, 10 2015-04-22 15:18:07
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

溶剂选项:
匹配容差: (数字格式,可自行设定)
相似度:   %(相似度>=50%)
碳谱库:   Nat Syn


查询结果:共查到6个化合物(查询结果仅供参考)
1 .     4,7-didehydrophysalin B
    相似度:75.7%
Phytochemistry          1992          31          4299-4302
Physalins N and O from Physalis alkekengi
Masao Kawai, Toichi Ogura, Bunsho Makino, Akihide Matsumoto, Hatsuo Yamamura, Yasuo Butsugan, Mitsuo Hayashi
Structure      13C NMR   碳谱模拟图
2 .     Isophysalin G
C28H30O10     相似度:63.6%
Journal of Natural Products          2008          71(4)          642-646
Steroids and Flavonoids from Physalis alkekengi var. franchetii and Their Inhibitory Effects on Nitric Oxide Production
Li Qiu, Feng Zhao, Zhi-Hu Jiang, Li-Xia Chen, Qian Zhao, Hong-Xia Liu, Xin-Sheng Yao, and Feng Qiu
Structure      13C NMR   碳谱模拟图
3 .     3β-methoxy-2,3-dihydro-4,7-didehydrophysalin B
C29H32O10     相似度:63.6%
Journal of Asian Natural Products Research          2008          10          881-885
A pair of 4-epimeric physalins from Physalis alkekengi L. var. franchetii
Li Qiu, Zhi-Hu Jiang, Hong-Xia Liu, Li-Xia Chen, Xin-Sheng Yao and Feng Qiu
Structure      13C NMR   碳谱模拟图
4 .     physalin G
C28H30O10     相似度:63.6%
Chinese Journal of Natural Medicines          2007          5          186-189
Chemical Constituents from Physalis alkekengi and Structural Revision of Physalin G
CHEN Rong; LIANG Jing-Yu; YANG Yang; LIU Rui
Structure      13C NMR   碳谱模拟图
5 .     Physalin Z
C28H30O10     相似度:60.6%
Journal of Natural Products          2008          71(4)          642-646
Steroids and Flavonoids from Physalis alkekengi var. franchetii and Their Inhibitory Effects on Nitric Oxide Production
Li Qiu, Feng Zhao, Zhi-Hu Jiang, Li-Xia Chen, Qian Zhao, Hong-Xia Liu, Xin-Sheng Yao, and Feng Qiu
Structure      13C NMR   碳谱模拟图
6 .     3α-methoxy-2,3-dihydro-4,7-didehydrophysalin B
C29H32O10     相似度:60.6%
Journal of Asian Natural Products Research          2008          10          881-885
A pair of 3-epimeric physalins from Physalis alkekengi L. var. franchetii
Li Qiu, Zhi-Hu Jiang, Hong-Xia Liu, Li-Xia Chen, Xin-Sheng Yao and Feng Qiu
Structure      13C NMR   碳谱模拟图
Copyright © 2009-2011 上海微谱信息技术有限公司 Shanghai Micronmr Infor Technology Co., Ltd., All Rights Reserved
3楼2015-04-21 15:33:48
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