版块导航: 正在加载中...

登录注册

应《网络安全法》要求，自2017年10月1日起，未进行实名认证将不得使用互联网跟帖服务。为保障您的帐号能够正常使用，请尽快对帐号进行手机号验证，感谢您的理解与支持！

24小时热门版块排行榜

>虫友互识 (5871)
>论坛更新日志 (4050)
>留学DIY (3104)
>留学生活 (2462)
>海外博后 (1498)
>育儿交流 (1201)
>医药类考试 (1001)
>海归之家 (1000)
>材料综合 (799)
>人文社科 (798)
>信息科学 (760)
>复合材料 (658)
>地学 (640)
>文学芳草园 (601)
>转基因 (600)
>我与小木虫的故事 (600)

返回列表

lxjsun

银虫 (小有名气)

应助: 0 (幼儿园)
金币: 90.5
散金: 25
帖子: 56
在线: 15.1小时
虫号: 1998560
注册: 2012-09-13
专业: 天然药物化学

[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

售SCI-T0P文章，我:8O.5.5.1.O.54,科目齐全,可+急已经有5人回复
售SCI一区T0P文章，我:8O.55.1.O.54,科目全,可伽急已经有5人回复
售一区SCI文章T0P，我:8O.551.O54,科目全,可十急已经有6人回复
售SCI一区T0P文章，我:8O.55.1.O.5.4,科目齐全,可+急已经有3人回复
售SCI一区T0P文章，我:8O.55.1.O.5.4,科目齐全,可+急已经有5人回复
filecode 已经有12人回复
售SCI一区文章，我:8O5.5.1.O5.4,科目全,可伽急已经有6人回复
filecode=后面第一个是大写字母已经有4人回复
售SCI一区T0P文章，我:8.O.55.1.O.54,科目齐全,可+急已经有7人回复
售SCI一区T0P文章，我:8.O55.1.O.54,科目全,可十急已经有6人回复

» 本主题相关价值贴推荐，对您同样有帮助:

1楼 2015-06-07 13:26:24

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

应助: 990 (博后)
贵宾: 2.955
金币: 6796.4
散金: 12161
红花: 82
沙发: 17
帖子: 3017
在线: 2457小时
虫号: 1713223
注册: 2012-03-24
性别: GG
专业: 临床药理
管辖: 药学

【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

赞一下