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ly_tryh铁杆木虫 (著名写手)
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[求助]
解谱求助（只有碳谱），谢谢了。 已有2人参与
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像是不饱和脂肪酸甘油酯，但是查文献和常见的哪几种（油酸、亚油酸、棕榈酸等）数据对不上，感觉像是有杂质（不知道杂质是不是三萜，16.2,16.4,17.9,18.0,18.2,19.3,19.3,21.2,23.3,23.8,26.0,27.8,31.0,31.5,32.1,36.6,37.9,38.0,38.3,40.6,42.1,42.4,45.3,53.3,55.0,60.7等，有的标图上了），但是判断不清那些是有用的。 特别是比较迷惑的116.5的信号。还有就是为什么羰基信号那么低？ 没有思路啊，急求各位解谱高手帮忙啊。  Document 1_副本.jpg |
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ly_tryh: 金币+5, ★有帮助, 谢谢，不过想解的是主要物质。 2014-08-11 08:41:33
ly_tryh: 金币+5, ★有帮助, 谢谢，不过想解的是主要物质。 2014-08-11 08:41:33
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Schilling, David G.I. Kingston Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 15 . 3??-hydroxy-urs-11-en-13??(28)-olide C30H46O3 ?????:76.6% Chinese Traditional and Herbal Drugs 2012 43 444-447 Chemical constituents from leaves of Ilex cornuta ZHOU Si-xiang; YAO Zhi-rong; LI Jun; TU Peng-fei Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 16 . 3??-hydroxyurs-28,13-olide ?????:73.3% Chemical & Pharmaceutical Bulletin 1983 31 1567-1571 Triterpenoids of the Bark of Pieris japonica D. DON (Japanese Name : Asebi). II. 13C Nuclear Magnetic Resonance of the ??-Lactones of Ursane- and Oleanane-type Triterpenes MASAAKI KATAI,TADAMASA TERAI and HARUO MEGURI Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 17 . 3??,13??-?????-????-11-?-28-???? ?????:73.3% Chinese Traditional and Herbal Drugs 2011 42(4) 661-663 Chemical constituents of Paederia scandens YU Xiao-yan Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 18 . 11,12-dehydroursolic acid lactone ?????:73.3% Journal of Shenyang Pharmaceutical University 2011 28 260-262 Isolation and identification of chemical constituents of flower of Lomatogonium rotatum (L.) 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Choudhary Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 22 . 3??-hydroxy-urs-11-en-28,13??-olide ?????:73.3% Chemistry of Natural Compounds 2013 49 381-382 Phytochemical constituents of Comastoma pedunculatum Li Tang, Xiao-Ming Xu, Ying Liu, Yi-Run Wang, Chun-Lin Long, Jin-Chao Feng Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 23 . 3??-hydroxyurs-11??,12??-epoxy-13??,28-olide ?????:73.3% The Chinese Pharmaceutical Journal 2000 52 69-77 Constituents of the Leaves of Erythrina arborescens ?S???(Keh-Feng Huang), ?????(Ping-Chuan Tseng), ????O(Ling-Ping Wu), ??????(Shiow-Ling Liou) Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 24 . 3??,13??-dihydroxyurs-11-en-28-oic acid ?????:73.3% Molecules 2014 19 9515-9534 Studies on Cytotoxic Constituents from the Leaves of Elaeagnus oldhamii Maxim. in Non-Small Cell Lung Cancer A549 Cells Chi-Ren Liao, Yueh-Hsiung Kuo, Yu-Ling Ho, Ching-Ying Wang, Chang -Syun Yang, Cheng-Wen Lin and Yuan-Shiun Chang Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 25 . 3??-Hydroxyurs-11-en-13??(28)-olide ?????:73.0% Phytochemical Analysis 2005 16 364-369 Chemical composition of the epicuticular wax from the fruits of Eucalyptus globulus Susana I. Pereira, Carmen S. R. Freire, Carlos Pascoal Neto, Armando J. D. Silvestre and Artur M. S. Silva Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 26 . ursolic acid ?????:73.0% Journal of Shenyang Pharmaceutical University 2010 27 113-115 Isolation and identification of chemical constituents from stems and leaves of Quercus variabilis Blume XIN Yan, LI Qian, JIA Ling-yun, YUAN Jiu-zhi, SUN Qi-shi Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 27 . 28-nor-urs-12-ene-3??, 17??-diol C29H48O2 ?????:72.4% Phytochemistry 2005 66 627-632 Cladocalol, a pentacyclic 28-nor-triterpene from Eucalyptus cladocalyx with cytotoxic activity Samira Benyahia, Samir Benayache, Fadila Benayache, Francisco Le??n,Jos?? Quintana, Mat??as L??pez, Juan C. 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(3??,18??,20??)-3-acetoxy-N-hydroxy-11-oxo-olean-12-en-29-amide ?????:70.9% Bioorganic & Medicinal Chemistry 2010 18 7522-7541 Synthesis of novel 3-amino and 29-hydroxamic acid derivatives of glycyrrhetinic acid as selective 11??-hydroxysteroid dehydrogenase 2 inhibitors Christian Stanetty, Laszlo Czollner, Iris Koller, Priti Shah, Rawindra Gaware, Thierry Da Cunha, Alex Odermatt, Ulrich Jordis, Paul Kosma, Dirk Claßen-Houben Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 30 . uvaol ?????:70.3% Modern Chinese Medicine 2011 13(1) 23-25 Isolation and Identification of Chemical Constituents from RosmarinusOfficinalis L1 WANG Hui, , GAO Hui-yuan, ZHANG Zhen-qiu, WULi-jun Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 31 . 3-acetoxy oleanolic acid ?????:70.3% Journal of Shenyang Pharmaceutical University 2011 28 417-419 Isolation and identification of chemical constituents from stems of Stauntonia brachyanthera Hand. - Mazz. CHEN Chao, LI Zhen-xing, MENG Da-li, LI Ning, LI Xian Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 32 . phyllolactone E C27H42O4 ?????:70.3% Tetrahedron 2001 57 5731-5738 Phyllolactones A-E: new bishomoscalarane sesterterpenes from the marine sponge Phyllospongia lamellosa Leng Chee Chang, Sarah Otero-Quintero, Gillian M Nicholas, Carole A Bewley Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 33 . 3-epi-corosolic acid lactone C30H46O4 ?????:70% Journal of Natural Products 2003 66 1051-1054 Ursane- and Oleanane-Type Triterpenes from Ternstroemia gymnanthera Callus Tissues Akira Ikuta,Hiroaki Tomiyasu,Yasumasa Morita,and Kouichi Yoshimura Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 34 . ardipusilloside I C53H36O22 ?????:70% Acta Pharmaceutica Sinica 1993 28 673-678 STUDIES ON THE SAPONIN CONSTITUENTS OF JIU JIELONG (ARDISIA PUSILLA) QH Zhang; XJ Wang; ZC Miao and R Feng Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 35 . 3??-hydroxy-11??,12??-epoxy-urs-13??,28-olide C30H46O4 ?????:70% Journal of Natural Products 1993 Vol 56 613 Constituents of the Leaves of Thevetia neriifolia Sabira Begum, Qayyum Adil, Bina S. Siddiqui, Salimuzzaman Siddiqui Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 36 . 3-keto-13(28)-epoxy-ursan-11-ene C30H46O2 ?????:70% Phytochemistry 1990 29 1691-1693 Terpenoids from Salvia mellifera Antonio G. Gonz??lez,Lucia S. Andres,Angel G. Ravelo,Javier G. Luis,Isabel L. Bazzocchi,Jan West Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 37 . 2??,3??-dihydroxy-11??,12??-epoxy-urs-28,13??-olide C30H46O5 ?????:70% Journal of Asian Natural Products Research 2013 15 962-968 Three new ursane-type triterpenoids from the aerial parts of Isodon excisoides Ke Jiao, Huo-Yun Li, Peng Zhang, Hui-Fang Pi, Han-Li Ruan & Ji-Zhou Wu Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 38 . ferna-9(11)-en-19a-ol ?????:70% Natural Medicines 1998 52 409-413 Pharmacognostical Studies on "Ku-tui-po" III. : Constituents of the Rhizomes of Davallia solida Tanaka Yasuko,Kitajima Jun-ichi,Ageta Hiroyuki Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 39 . ilelatifol D ?????:70% Natural Medicines 2000 54 297-305 Acyl-CoA : Cholesterol Acyltransferase(ACAT) Inhibitors from Ilex spp. Nishimura Keiichi,Miyase Toshio,Noguchi Hiroshi,Chen Xin-Min Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 40 . 13??-???-11-?-????? ?????:70% Natural Product Research and Development 2013 25 345-348 Studies on the Chemical Constituents from Sambucus adnata Wall WU Hai-bo, ZHAO Yi-ning, LI Dong-mei, LV Xiang-wen, WANG Wen-shu Structure 13C NMR Structure & 13C NMR ??????? |
2楼2014-08-08 21:29:48
ly_tryh
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3楼2014-08-13 12:24:51
知識無價
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4楼2014-08-14 17:29:14