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古可ぷ荣誉版主 (文坛精英)
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[求助]
求高手帮解一个图谱,谢谢
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求助一个化合物命名,求高手帮帮忙!~谢谢~
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请高手帮我分析下图谱
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请给位高手帮我看一下这两张XRD图谱!
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哪位高手能帮忙解释一下这张DSC图谱?
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求助高手帮忙分析一下异丙醇的气相谱图
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在EBSD采集花样时,图像飘得很严重是怎么回事求高手
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急求液相高手帮我解决峰型问题,谢谢
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求高手帮忙看下红外图谱
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请高手帮翻译一个项目摘要,谢谢!
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求高手帮忙分析CD图谱,谢谢!
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求高手帮我解析一下甲基丙烯酰胺的红外图谱
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求高手解核磁图谱,先谢谢大家了
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求高手帮忙分析一下NMR和IR谱图,第一次做,无从下手,哪怕进来给点建议也好?
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【求助】核磁高手请看这个奇怪的谱图,有CH2=CH-结构中CH的化学位移150多,怎么回事?
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【求助】麻烦高手帮我分析一种高分辨TEM图
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【求助】求高手解析核磁图谱(含结构及谱图)
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【求助】请高手帮忙分析一下这张固化DSC曲线图,非常感谢
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【求助】求高手分析图谱,化合物基本确定,但需详细解谱说明。
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【求助】请教高手一个GPC图谱的解析
已经有11人回复
【求助】求高手帮忙解析红外图谱
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【求助】求高手们帮忙解几道有机的考研试题,谢谢~~
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求高手帮忙下载一个网页的图片
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【求助】请高手帮我找血竭红素(dracorubin)的碳谱及氢谱,红外图谱!
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hxl4054
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2楼2012-12-21 00:20:26
hxl4054
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3楼2012-12-21 00:25:27
mzp-0
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【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
古可ぷ: 金币+30, ★有帮助, 谢谢提供信息 2013-03-09 19:02:15
感谢参与,应助指数 +1
古可ぷ: 金币+30, ★有帮助, 谢谢提供信息 2013-03-09 19:02:15
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给你查了下微碳谱 有以下这些结构,你可以参考一下 仅供参考) -------------------------------------------------------------------------------- 1 . plucheoside A 相似度:61.9% Phytochemistry 1989 28 3369-3372 Terpenic glycosides from Pluchea indica Taketo Uchiyama,Toshio Miyase,Akira Ueno,Khan Usmanghani Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 2 . trifolione D C20H30O4 相似度:57.1% Chemical & Pharmaceutical Bulletin 1996 44 492-499 Medicinal Foodstuffs. II. On the Bioactive Constituents of the Tuber of Sagittaria trifolia L. (Kuwai, Alismataceae) : Absolute Stereostructures of Trifoliones A, B, C, and D, Sagittariosides a and b, and Arabinothalictoside Masayuki YOSHIKAWA,Satoshi YOSHIZUMI,Toshiyuki MURAKAMI,Hisashi MATSUDA,Johji YAMAHARA and Nobutoshi MURAKAMI Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 3 . trifolione D C20H30O4 相似度:57.1% Chemical & Pharmaceutical Bulletin 1993 41 1677-1679 ABSOLUTE STEREOSTRUCTURES OF TRIFOLIONES A, B, C, AND D, NEW BIOLOGICALLY ACTIVE DITERPENES FROM THE TUBER OF SAGITTARIA TRIFOLIA L. Masayuki YOSHIKAWA,Shoko YAMAGUCHI(nee HATAKEYAMA),Toshiyuki MURAKAMI,Hisashi MATSUDA,Johji YAMAHARA and Nobutoshi MURAKAMI Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 4 . ixerin H 相似度:57.1% Chemical & Pharmaceutical Bulletin 1986 34 4170-4176 Sesquiterpene Lactones from Ixeris dentata NAKAI MAMORU SETO,TOSHIO MIYASE and SEIGO FUKUSHIMA Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 5 . 14-O-β-D-glucosyl-11,13-dihydro-taraxinic acid C21H30O9 相似度:57.1% Journal of Asian Natural Products Research 2001 3 191-197 SESQUITERPENE GLUCOSIDES FROM ANTI-LEUKOTRIENE B4 RELEASE FRACTION OFTA RA XA CUM OFFICINA LE YOSHIKI KASHIWADA,KOICHIRO TAKANAKA,SHIGEO TANAKA and YASUMASA IKESHIRO HARUMI TSLJKADA,YOSHIHISA MIWAT ORU TAGA Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 6 . megastigmane-3α,4β,9ξ-triol3-O-β-D-glucopyranoside C19H36O8 相似度:57.1% Journal of Integrative Plant Biology 2005 47 362-367 Chemical Constituents of Schisandra rubriflora Rehd. et Wils. Gan-Peng LI, Jing-Feng ZHAO, Yong-Qiang TU, Xiao-Dong YANG, Hong-Bin ZHANG and Liang LI Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 7 . CJ-13,564 C21H27NO2 相似度:57.1% The Journal of Antibiotics 1998 51 145-152 New Quinolone Compounds from Pseudonocardia sp. with Selective and Potent Anti-Helicobacter pylori Activity: Taxonomy of Producing Strain, Fermentation, Isolation, Structural Elucidation and Biological Activities KOEN A. DEKKER, TAISUKE INAGAKI, THOMAS D. GOOTZ, LIANG H. HUANG, YASUHIRO KOJIMA, WILLIAM E. KOHLBRENNER, YASUE MATSUNAGA, PAUL R. MCGUIRK, ETSUKO NOMURA, TATSUO SAKAKIBARA, SHINICHI SAKEMI, YUMIKO SUZUKI, YUJI YAMAUCHI, NAKAO KOJIMA Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 8 . 4β-deoxy-phorbol-13-acetate C22H30O6 相似度:54.5% Bioorganic & Medicinal Chemistry Letters 2001 11 719-722 The C4 hydroxyl group of phorbol esters is not necessary for protein kinase C binding Minoru Tanaka, Kazuhiro Irie, Yu Nakagawa, Yoshimasa Nakamura, Hajime Ohigashi, Paul A. Wender Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 9 . Breyniaionoside B C19H34O9 相似度:52.3% Chemical & Pharmaceutical Bulletin 2004 52(9) 1086-1090 Terpenic and Phenolic Glycosides from Leaves of Breynia officinalis HEMSL. Hiroyuki MORIKAWA,Ryoji KASAI, Hideaki OTSUKA,Eiji HIRATA,Takakazu SHINZATO,Mitsunori ARAMOTO,and Yoshio TAKEDA Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 10 . lasianthionoside C C19H31O8 相似度:52.3% Phytochemistry 2004 65 485-489 Lasianthionosides A–C, megastigmane glucosides from leaves of Lasianthus fordii Yoshio Takeda, Hideko Shimizu, Toshiya Masuda, Eiji Hirata, Takakazu Shinzato,Masahiko Bando, Hideaki Otsuka Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 11 . eiseniachloride C C20H29ClO3 相似度:52.3% Journal of Natural Products 2003 66 1318-1323 Novel Oxylipin Metabolites from the Brown Alga Eisenia bicyclis Kenji Kousaka, Nobuyuki Ogi, Yasutomo Akazawa,Makiko Fujieda, Yuzo Yamamoto, Yuuki Takada, and Junji Kimura Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 12 . picrasin B 相似度:52.3% Planta Medica 1988 54 352-355 1H- and 13C-NMR Spectroscopic Studies of Selected Quassinoids Matthias O. Hamburger and Geoffrey A. Cordei Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 13 . Costunolide-15-β-D-glucopyranoside C21H30O8 相似度:52.3% Acta Botanica Yunnanica 1997 19(1) 85-91 STUDY ON CHEMICAL CONSTITUENTS OF SAUSSUREA LAPPA Yang Hui, Xie Jinlun, Sun Handong Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 14 . 1α,2α-Epoxy-1,4--androstadien-3β,17β-diol 相似度:52.3% Molecules 2005 10 572-582 Epoxidation and Reduction of DHEA, 1, 4, 6-Androstatrien-3-one and 4, 6-Androstadien-3β, 17β-diol Eunsook Ma and Eunjeong Kim Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 15 . 11,13-dihydro-taraxinic acid-1'-O-β-D-glucopyranoside 相似度:52.3% Acta Pharmaceutica Sinica 2002 Vol 37 33-36 ANTI-GASTRIC ULCER SESQUITERPENE LACTONE GLYCOSIDES FROM CREPIS NAPIFERA WU Shao hua; LUO Xiao dong; MA Yun bao; HAO Xiao jiang; WU Da gang Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 16 . napiferoside C21H30O9 相似度:52.3% Acta Pharmaceutica Sinica 2000 Vol 35 442-444 ISOLATION AND IDENTIFICATION OF SESQUITERPENES FROM CREPIS NAPIFERA ZHAO Ai Hua; PENG Xiao Yan; TANG Chuan Jin; ZHANG Rong Ping Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 17 . ixerin H 相似度:52.3% Natural Product Sciences 2005 11 55-57 Sesquiterpene Lactones from the Roots of Ixeris sonchifolia Jo, Young-Mi; Suh, Ji-Young; Bae, Song-Ja; Jung, Jee-H.; Im, Kwang-Sik Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 18 . dihydroxy acidissiminol C25H33NO5 相似度:52.3% Phytochemistry 1994 37 757-760 Dihydroxy acidissiminol and acidissiminol epoxide, two tyramine derivatives from Limonia acidissima Parthasarathi Ghosh, Mrinal Kanti Ghosh, Swapnadip Thakur, Jasodhara dan (Datta), Toshihiro Akihisa, Toshitake Tamura, Yumiko Kimura Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 19 . 2α,3α,5-Trihydroxy-5α-pregnane-6,20-dione C21H32O5 相似度:52.3% Canadian Journal of Chemistry 2005 83 1084-1092 Synthesis and preliminary bioactivity evaluation of new pregnane brassinosteroid-like compounds Daniel G. Rivera and Francisco Coll Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 20 . costunolid-15-β-D-glucopyranoside C21H30O8 相似度:52.3% Chinese Journal of Natural Medicines 2004 2 62-64 Study on the Chemical Constituents of Saussurea Lappa LI Shuo; HU Li Hong; LOU Feng Chang Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 21 . compound 6 C26H42O7 相似度:52.3% Tetrahedron Letters 2002 43 4605-4608 Covilanone: a new rearranged labdane type diterpene J.M.L. Rodilla, M.I. Ismael, L.A. Silva, J.P. Cesário Serrano, J.G. Urones, F. Sanz Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 22 . Cytosporin D C19H30O5 相似度:52.3% Tetrahedron 2008 64 5365-5369 Cytosporin-related compounds from the marine-derived fungus Eutypella scoparia Maria Letizia Ciavatta, M. Pilar Lopez-Gresa, Margherita Gavagnin, Rosario Nicoletti, Emiliano Manzo, Ernesto Mollo, Yue-Wei Guo, Guido Cimino Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 23 . cespihypotin G C20H30O5 相似度:52.3% Tetrahedron 2007 63 10914-10920 Eight new diterpenoids from soft coral Cespitularia hypotentaculata Ya-Ching Shen, Ying-Ru Wu, Jyun-Jhou Lin, Kuang-Liang Lo, Yuh-Chi Kuo, Ashraf Taha Khalil Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 24 . 3α-hydroxy-11,19-epoxypregn-4-ene-20-one 相似度:52.3% Bioorganic & Medicinal Chemistry 2008 16 3831-3838 Synthesis and GABAA receptor activity of oxygen-bridged neurosteroid analogs Lautaro D. Alvarez, Adriana S. Veleiro, Ricardo F. Baggio, María T. Garland, Valeria C. Edelsztein, Héctor Coirini, Gerardo Burton Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 25 . (4aS,4bR,8R,8aR)-8-(tert-butyldimethylsilyloxy)-4a-(hydroxymethyl)-1,8a-dimethyl-4,4a,4b,5,6,7,8,8a,9,10-decahydrophenanthren-2(3H)-one C23H40O3Si 相似度:52.3% Tetrahedron 2012 68 9029-9034 First synthesis of decaturin C, an antiinsectant diterpenoid isolated from Penicillium thiersiiOriginal Research Article Kimiharu Nakazaki, Kojiro Hayashi, Shintaro Hosoe, Takuya Tashiro, Masaki Kuse, Hirosato Takikawa Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 26 . ethyl (1R*,2S*,3R*,4S*)-2-{[(tert-butoxy)carbonyl]amino}-4-((1S*)-1-{[(tert-butoxy)carbonyl]amino}-2-ethylbutyl)-3-hydroxycyclopentanecarboxylate C24H44N2O7 相似度:52.3% Chemistry & Biodiversity 2012 9 2571-2581 Synthesis of Highly Functionalized Fluorinated Cispentacin Derivatives Melinda Nonn, Loránd Kiss, Mikko M. Hänninen, Reijo Sillanpää and Ferenc Fülöp Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 27 . 12β-O-2-methylbutyryltenacigenin A 相似度:50% Phytochemistry 2005 66 1040-1051 Marsdenosides A–H, polyoxypregnane glycosides from Marsdenia tenacissima Jun Deng, Zhixin Liao, Daofeng Chen Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 28 . saliniketal A C22H37NO5 相似度:50% Journal of Natural Products 2007 70 83-88 Saliniketals A and B, Bicyclic Polyketides from the Marine Actinomycete Salinispora arenicola Philip G.Williams,Ratnakar N. Asolkar, Tamara Kondratyuk,John M. Pezzuto,Paul R. Jensen, and William Fenical Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 29 . 3α-t-Butyldimethylsilyloxy-20β-hydroxy-6-oxa-5α-pregnane C22H39O3Si 相似度:50% Steroids 2000 65 349-356 Synthesis and GABAA receptor activity of 6-oxa-analogs of neurosteroids Daniel Nicoletti, Alberto A. Ghini, Roman Furtmüller, Werner Sieghart, Robert H. Dodd, Gerardo Burton Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 30 . 16-hydroxyphorbol-16-acetate C22H30O8 相似度:50% Chemical & Pharmaceutical Bulletin 2009 57 1289-1291 Diterpene Esters and Phenolic Compounds from Sapium insigne (ROYLE) BENTH. ex HOOK. fil. Hari Prasad Devkota, Purusotam Basnet and Shoji Yahara Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 31 . 4β-deoxy-16-hydroxyphorbol-16-acetate C22H30O7 相似度:50% Chemical & Pharmaceutical Bulletin 2009 57 1289-1291 Diterpene Esters and Phenolic Compounds from Sapium insigne (ROYLE) BENTH. ex HOOK. fil. Hari Prasad Devkota, Purusotam Basnet and Shoji Yahara Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 32 . compound 1a 相似度:50% Pharmazie 2005 60 554-558 Sesquiterpenes and other constituents from Achillea wilsoniana Min Yang, Ji-Xin Li, Xin Li and Zhong-Jian Jia Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 33 . saliniketal A 相似度:50% The Journal of Antibiotics 2009 62 519-526 Salinisporamycin, a novel metabolite from Salinispora arenicora Satoru Matsuda, Kyoko Adachi, Yoshihide Matsuo, Manabu Nukina and Yoshikazu Shizuri Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 34 . phorbol-13-actate 相似度:50% Natural Product Research 2012 26 2309-2315 Chemical constituents of Euphorbia tangutica Ben-Yin Zhang, Huan Wang, Xiao-Dong Luo, Zhi-Zhi Du, Hai-Feng Wu, Jian-Wei Shen & Xiao-feng Zhang Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 35 . 4-[(10S)dihydroartemisinin-10-oxy]benzaldehyde 4-(2,4-dimethylphenyl)semicarbazone 相似度:50% Archives of Pharmacal Research 2012 35 1525-1531 Synthesis and biological activities of novel artemisinin derivatives as cysteine protease falcipain-2 inhibitors Yang Liu, Wei-Qiang Lu, Kun-Qiang Cui, Wei Luo and Jian Wang, et al. Structure 13C NMR 碳谱模拟图 |
4楼2012-12-21 10:12:24
古可ぷ
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kobechan
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