24小时热门版块排行榜    

Znn3bq.jpeg
北京石油化工学院2026年研究生招生接收调剂公告
查看: 433  |  回复: 1

lxjsun

银虫 (小有名气)

[求助] NMR 微谱求助,谢谢 已有1人参与

13CNMR(100MHz,CDCl3):15.7,16.0,16.4,16.6,18.3,21.4,21.5,22.0,23.8,25.1,28.1,29.2,31.4,33.3,33.4,34.1,35.4,37.2,38.0,38.9,40.6,45.4,45.5,47.3,47.8,47.9,49.5,50.9,56.1,81.0,106.3,107.5,153.0,156.1,171.1

[ Last edited by 卓越_先锋 on 2015-6-7 at 13:35 ]
回复此楼

» 猜你喜欢

» 本主题相关价值贴推荐,对您同样有帮助:

已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

卓越_先锋

荣誉版主 (职业作家)

糊涂虫

优秀版主

【答案】应助回帖

感谢参与,应助指数 +1
查询结果:共查到14920个化合物(查询结果仅供参考)
1 .     (24S)-24-methyl-dammara-20,25-diene-3β-yl-acetate
C33H54O2     相似度:88.5%
Phytochemistry          1998          49          441-449
Phytotoxic compounds from Esenbeckia yaxhoob
Rachel Matα, Martha L Macías, Irma S Rojas, Blas Lotina-Hennsen, Ruben Alfredo Toscano, Ana Luisa Anaya
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图
2 .     3,28-di-O-acetyl-30-N-(dodecylamino)-lup-20(29)-ene
C46H79NO4     相似度:83.7%
Chemistry of Natural Compounds          2004          40          571-573
SYNTHESIS OF 30-AMINO DERIVATIVES OF 3,28-DI-O-ACETYLBETULIN
O. B. Flekhter, I. E. Smirnova, F. Z. Galin,G. V. Giniyatullina E. V. Tret'yakova,and G. A. Tolstikov
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图
3 .     3β-Acetoxy-28-oxo-28-[3-acetyl-(3-aminopropyl)-amino]lup-20(29)-ene
C37H60N2O2     相似度:83.7%
Russian Journal of Bioorganic Chemistry          2013          39          329-337
Synthesis of aminopropylamino derivatives of betulinic and oleanolic acids
G. V. Giniyatullina, O. B. Kazakova, N. I. Medvedeva, I. V. Sorokina, N. A. Zhukova, T. G. Tolstikova, G. A. Tolstikov
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图
4 .     compound 15a
    相似度:82.8%
Chemical & Pharmaceutical Bulletin          1996          44          1748-1753
Chemical Evaluation of Betula Species in Japan. III. Constiutents of Betula maximowicziana
Hiroyuki FUCHINO,Tetsuya SATOH and Nobutoshi TANAKA
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图
5 .     3,25 diacetylderivative of 3β,20,25-trihydroxylupane
    相似度:82.8%
Phytochemistry          1998          48          863-866
Triterpenes from Rhus taitensis
Aysen Yürüker, Jimmy Orjala, Otto Sticher, Topul Rali
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图
6 .     24-Methylene-26-acetoxycycloartan-3-one
    相似度:82.8%
Phytochemistry          1996          42          795-798
A cycloartane triterpenoid and ω-phenyl alkanoic and alkenoic acids from Trichilia claussenii
Mônica T. Pupo, Paulo C. Vieira, João B. Fernandes, M. Fátima das G. F. da Silva
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图
7 .     24-methyl-dammara-20,25-diene-3β-yl-acetate
C33H54O2     相似度:82.8%
Journal of Ethnopharmacology          2015          160          52−60
Alkaline phosphataseactivity-guidedisolationofactivecompounds and newdammarane-typetriterpenesfrom Cissus quadrangularis hexaneextract
Thanika Pathomwichaiwat, PanneeOchareon, NoppamasSoonthornchareonnon, Zulfiqar Ali, IkhlasA.Khan, SompopPrathanturarug
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图
8 .     3,28-di-O-acetyl-30-N-(pentadodecylamino)-lup-20(29)-ene
C49H85NO4     相似度:81.5%
Chemistry of Natural Compounds          2004          40          571-573
SYNTHESIS OF 30-AMINO DERIVATIVES OF 3,28-DI-O-ACETYLBETULIN
O. B. Flekhter, I. E. Smirnova, F. Z. Galin,G. V. Giniyatullina E. V. Tret'yakova,and G. A. Tolstikov
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图
9 .     2β-(1-Oxobutoxy)olean-12-en-28-oic acid
C34H54O4     相似度:80%
Journal of Natural Products          2009          72          1414-1418
Synthesis of 3-Deoxypentacyclic Triterpene Derivatives as Inhibitors of Glycogen Phosphorylase
Pu Zhang,Jia Hao,Jun Liu,Qian Lu, Huaming Sheng, Luyong Zhang, and Hongbin Sun
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图
10 .     pachymic acid
    相似度:80%
Chemical & Pharmaceutical Bulletin          2008          56(10)          1459-1462
13CCytotoxic and Anti-oxidant Activities of Lanostane-Type Triterpenes Isolated from Poria cocos
Liang ZHOU,Yaochun ZHANG,Leslie Adell GAPTER,Hui LING,Rajesh AGARWAL,and Ka-yun NG
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图
11 .     3β,16β-Diacetoxybetulinic acid methyl ester
C35H54O6     相似度:80%
Phytochemistry          2007          68          591-595
α-Glucosidase inhibitory pentacyclic triterpenes from the stem bark of Fagara tessmannii (Rutaceae)
Luc Meva’a Mbaze, Herve Martial P. Poumale , Jean Duplex Wansi,Jean Alexandre Lado, Shamsun Nahar Khan, Muhammad Choudhary Iqbal,Bonaventure Tchaleu Ngadjui, Hartmut Laatsch
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图
12 .     compound 5b
C33H54O2     相似度:80%
Phytochemistry          2003                   591-596
Triterpenoids from the orchids Agrostophyllum brevipes and Agrostophyllum callosum
P.L. Majumder, S. Majumder, S. Sen
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图
13 .     cyclolaudenyl formate
C32H52O2     相似度:80%
Journal of Natural Products          2001          64          953-955
追求卓越,敢为先锋
2楼2015-06-07 13:42:43
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
相关版块跳转 我要订阅楼主 lxjsun 的主题更新
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 一志愿211,化学学硕,310分,本科重点双非,求调剂 +11 努力奋斗112 2026-04-06 12/600 2026-04-07 22:00 by dick_runner
[考研] 269求调剂 +3 啊啊我我 2026-04-07 3/150 2026-04-07 18:25 by 蓝云思雨
[考研] 318求调剂 +5 李青山山山 2026-04-07 5/250 2026-04-07 18:24 by 蓝云思雨
[考研] 085602化学工程268分蹲调剂 +13 月照花林。 2026-04-01 13/650 2026-04-07 17:23 by 蓝云思雨
[考研] 22408 调剂材料 +7 我叫ez 2026-04-06 8/400 2026-04-07 17:12 by 蓝云思雨
[考研] 化学调剂 +18 艾志恒 2026-04-03 19/950 2026-04-07 16:00 by 起飞的比熊1
[考研] 362求调剂一志愿中国石油大学 +4 我要考大 2026-04-06 6/300 2026-04-06 14:11 by 无际的草原
[考研] 0857大类环境工程B区求调剂 +3 龚禹铭 2026-04-05 3/150 2026-04-06 10:22 by 蓝云思雨
[考研] 272分求调剂 +4 wangyile2233 2026-04-02 4/200 2026-04-05 22:21 by 286640313
[考研] 求调剂求调剂 +8 121. 2026-04-02 8/400 2026-04-05 20:15 by lys0704
[考研] 296求调剂 +3 汪!?! 2026-04-05 4/200 2026-04-05 20:13 by 啵啵啵0119
[考研] 325求调剂 +4 春风不借意 2026-04-04 4/200 2026-04-04 14:46 by 湘农储能材料
[考研] 求调剂,一志愿北京中医药大学 +3 小小达不溜 2026-04-02 3/150 2026-04-03 22:55 by 冲矢昴星团
[考研] 322求调剂 +6 FZAC123 2026-04-03 6/300 2026-04-03 22:23 by 科研小专家
[考研] 281求调剂 +10 aaawhy 2026-04-03 10/500 2026-04-03 21:42 by lbsjt
[考研] 求调剂机会 +5 意染ivy 2026-04-03 5/250 2026-04-03 15:13 by qoooooo614
[考研] 266求调剂 +3 08电气工程 2026-04-03 3/150 2026-04-03 14:05 by 1753564080
[考研] 081200-11408-276学硕求调剂 +6 崔wj 2026-04-02 6/300 2026-04-03 10:19 by 蓝云思雨
[考研] 土木304求调剂 +4 兔突突突, 2026-04-02 5/250 2026-04-02 21:16 by 兔突突突,
[考研] 材料专硕322分 +11 哈哈哈吼吼吼哈 2026-04-01 11/550 2026-04-02 10:52 by lnilvy
信息提示
请填处理意见