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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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dssjsl

金虫 (小有名气)

[求助] 微谱求助,急求,谢谢。ds-13 已有1人参与

碳谱数据为:(溶剂氘代甲醇)
19.7,24.6,35.9,37.3,37.6,57.9,58.0,64.0,69.6,75.0,76.6,80.7,80.7,101.9,103.7,103.7,105.6,112.8,116.1,116.1,145.0,153.0,164.2,166.0,166.5,166.6,172.0,197.5
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yangyinhe

至尊木虫 (著名写手)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
dssjsl: 金币+10, ★★★很有帮助 2015-03-20 09:56:27
1 .     maclurin 3-C-(2'',3'',6''-tri-O-galloyl)-β-D-glucoside
C40H32O23     相似度:50%
Chemical & Pharmaceutical Bulletin          1984          32          2676-2686
Tannins and Related Compounds. XXI. Isolation and Characterization of Galloyl and p-Hydroxybenzoyl Esters of Benzophenone and Xanthone C-Glucosides from Mangifera indica L.
TAKASHI TANAKA,TOKIKO SUEYASU,GENICHIRO NONAKA and ITSUO NISHIOKA
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图

--------------------------------------------------------------------------------

2 .     iriflophenone 3-C-(2'',3'',6''-tri-O-galloyl)-β-D-glucoside
C40H32O22     相似度:50%
Chemical & Pharmaceutical Bulletin          1984          32          2676-2686
Tannins and Related Compounds. XXI. Isolation and Characterization of Galloyl and p-Hydroxybenzoyl Esters of Benzophenone and Xanthone C-Glucosides from Mangifera indica L.
TAKASHI TANAKA,TOKIKO SUEYASU,GENICHIRO NONAKA and ITSUO NISHIOKA
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图

--------------------------------------------------------------------------------

3 .     Vitexin 2''-O-β-D-(6'''-acetyl)-glucopyranoside
C29H32O16     相似度:50%
Phytochemistry          2012          76          172-177
Diterpenes,ionol-derived,and flavone glycosides from Podocarpus elongatus
Laura Faiella,Abeer Temraz,Nunziatina De Tommasi,Alessandra Braca
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图

--------------------------------------------------------------------------------

4 .     Ovosauremethylester
C26H24O10     相似度:50%
Phytochemistry          1980          19          885-887
Ovosäure, ein neues tridepsid aus der flechte Parmelia substygia
Siegfried Huneck, Klaus Schreiber, Göran Sundholm
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图

--------------------------------------------------------------------------------

5 .     5,7,3'-trihydroxy-4'-methoxyflavanone-7-O-(2''-O-β-D-glucopyranosyl)-α-L-rhamnopyranoside
    相似度:50%
Indian Journal of Chemistry Section B          2001          40B          1219-1222
Three new compounds from Oxyria digyna (L.) Hill
Yi Zhou, Guo-Lin Zhang, Bo-Gang Li, Yao-Zu Chen
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图
2楼2015-03-18 16:53:01
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