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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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[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 ]

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【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

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