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自由的天空金虫 (小有名气)
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[求助]
求解三个核磁图谱 具体是什么化合物
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化合物1 13C NMR (101 MHz, CDCl3) δ 142.34, 129.25, 86.76, 72.25, 59.21, 56.85, 45.89, 45.55, 45.21, 43.38, 43.07, 42.97, 42.92, 41.79, 40.65, 36.79, 34.37, 33.36, 32.01, 31.75, 29.85, 29.18, 27.91, 27.05, 26.87, 24.30, 22.13, 20.45, 20.34, 20.19, 20.14, 19.95, 19.29. 化合物2 13C NMR (101 MHz, MeOD) δ 61.27, 59.32, 58.19, 53.02, 49.11, 42.72, 41.44, 41.17, 39.61, 39.19, 37.44, 35.93, 35.27, 34.92, 32.68, 32.34, 31.99, 31.68, 30.44, 29.93, 29.64, 28.12, 22.33, 20.16, 18.61, 18.17, 17.86, 14.48, 6.65. 化合物3 13C NMR (101 MHz, MeOD) δ 142.02, 130.21, 121.78, 100.86, 73.51, 71.68, 70.16, 61.43, 56.72, 55.97, 51.38, 45.81, 42.06, 39.77, 38.58, 37.05, 36.62, 36.05, 34.38, 33.82, 32.32, 28.09, 25.82, 24.77, 24.09, 22.86, 22.49, 20.91, 19.27, 18.88, 18.47, 18.34. |
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yaolan123
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自由的天空: 金币+100, ★有帮助, 谢谢，很感激 2013-05-25 16:48:37
感谢参与，应助指数 +1
自由的天空: 金币+100, ★有帮助, 谢谢，很感激 2013-05-25 16:48:37
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化合物1 1 . 5,6α-epoxysitosterol C29H50O2 相似度:69.6% Steroids 2005 70 886-895 Gram-scale chromatographic purification of β-sitosterol: Synthesis and characterization of β-sitosterol oxides Xin Zhang, Philippe Geoffroy, Michel Miesch, Diane Julien-David, Francis Raul, Dalal Aoudé-Werner, Eric Marchioni Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 2 . 5,6α-Epoxy-5α-sitostan-3β-ol acetate C31H52O3 相似度:66.6% Steroids 2005 70 886-895 Gram-scale chromatographic purification of β-sitosterol: Synthesis and characterization of β-sitosterol oxides Xin Zhang, Philippe Geoffroy, Michel Miesch, Diane Julien-David, Francis Raul, Dalal Aoudé-Werner, Eric Marchioni Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 3 . (32R,33R,34S)-12α-methyl-32,33,34,35-bacteriohopanetetrol tetraacetate C44H72O8 相似度:65.7% Tetrahedron 2000 56 3781-3784 The First 12-Methylhopanoid: 12-Methylbacteriohopanetetrol from the Marine Sponge Plakortis simplex Valeria Costantino, Ernesto Fattorusso, Concetta Imperatore, Alfonso Mangoni Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 4 . 1-Cyano-19β,28-epoxy-2,3-seco-18-olean-3-oic Acid N'-(2-Methylpropylidene)hydrazide 相似度:64.7% Chemistry of Natural Compounds 2012 48 72-74 SYNTHESIS OF 2,3-seco-TRITERPENE HYDRAZONOHYDRAZIDES OF THE LUPANE AND 19β,28-EPOXY-18α-OLEANANE TYPES N. V. Galaiko,I. A. Tolmacheva,L. V. Volkova,and V. V. 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Isaev Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 12 . 1α,2α-Epoxyolean-18-en-3-one 相似度:63.6% Chemistry of Natural Compounds 1992 28 1-23 13C NMR SPECTROSCOPY OF OLEANANE DERIVATIVES A. I. Kalinovskii Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 13 . 7αH,7'αH-bis-[(20R,22R-2β,3β-diacetoxy-20,22,25-trihydroxy-5β-cholest-8(14)-en-6-one-7-yl] C62H94O16 相似度:63.6% Steroids 2002 67 127-135 Photochemical transformation of 20-hydroxyecdysone: production of monomeric and dimeric ecdysteroid analogues Juraj Harmatha, Miloš Budĕšínský, Karel Vokáĕ Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 14 . 3β,11-dihydroxy-9,11-seco-5α-24-norchlolest-9-one3-acetate C28H48O4 相似度:63.6% Steroids 2010 75 834-847 Synthesis of cytotoxic novel 9,11-secosterol analogs: Structure/activity studies Boonsong Kongkathip, Anuch Hasakunpaisarn, Suthinee Boonananwong, Ngampong Kongkathip Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 15 . 3β,11-dihydroxy-9,11-seco-5α-chlolest-9-one 3-acetate C29H50O4 相似度:63.6% Steroids 2010 75 834-847 Synthesis of cytotoxic novel 9,11-secosterol analogs: Structure/activity studies Boonsong Kongkathip, Anuch Hasakunpaisarn, Suthinee Boonananwong, Ngampong Kongkathip Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 16 . β-sitosterol 相似度:63.6% Journal of Asian Natural Products Research 2002 4 73-79 A NEW COMPOUND FROM GASTRODIA ELATA BLUME YONG-QING XIAO, LI LI, XIAO-LIN YOU, BAO-LIN BIAN, XIN-MIAO LIANG and YI-TAO WANG Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 17 . alisol N-23-acetate C32H50O6 相似度:63.6% Chemical & Pharmaceutical Bulletin 1999 47 524-528 Studies on Alismatis Rhizoma. III. Stereostructures of New Protostane-Type Triterpenes, Alisols H, I, J-23-Acetate, K-23-Acetate, L-23-Acetate, M-23-Acetate, and N-23-Acetate, from the Dried Rhizome of Alisma orientale Masayuki YOSHIKAWA,Norimichi TOMOHIRO,Toshiyuki MURAKAMI,Akira IKEBATA,Hisashi MATSUDA,Hideaki MATSUDA and Michinori KUBO Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 18 . 5,6α-epoxysitosterol 相似度:63.6% Phytochemistry 1998 47 789-797 On the cytotoxity of oxidized phytosterols isolated from photoautotrophic cell cultures of Chenopodium rubrum tested on meal-worms Tenebrio molitor Werner Meyer, Harald Jungnickel, Markus Jandke, Konrad Dettner, Gerhard Spiteller Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 19 . cycloastragenol 相似度:63.6% Phytochemistry 1990 29 3271-3274 Cycloartane triterpene glycosides from EgyptianAstragalus species Nadia A. El-Sebakhy,Fathalla M. Harraz,Rokia M. Abdallah,Aya M. Asaad,F. Orsini,F. Pelizzoni,G. Sello,L. Verotta Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 20 . 5,6α-epoxy-5α-stigmastan-3β-ol C29H50O2 相似度:63.6% Magnetic Resonance in Chemistry 2006 44 817-819 Two isomeric epoxysitosterols from Rhododendron formosanum: 1H and 13C NMR chemical shift assignments (pages 817–819) Vivek Krishna, Chi-I Chang and Chang-Hung Chou Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 21 . 1α,2α-epoxy-3-oxo-olean-18-ene 相似度:63.6% Phytochemistry 1981 20 1919-1921 13C NMR spectra of olean-18-ene derivatives Antonio G. González, Braulio M. Fraga, Pedro González, Melchor G. Hernandez, Angel G. Ravelo Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 22 . β-谷甾醇 相似度:63.6% Chinese Traditional and Herbal Drugs 2004 35 385-386 云南麻烘罕的化学成分研究 李维莉,彭永芳,马银海,杨辉,谢金伦 Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 23 . 5,6β-Epoxy-5α-sitostan-3β-ol 相似度:63.6% Chemistry of Natural Compounds 2010 46 496-498 Chemical constituents of Saussurea superba Li Chen, Rui Wang and Yan-Ping Shi Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 24 . (24S)-stigmast-3β,5α,6β-triol 相似度:63.6% Chinese Pharmaceutical Journal 2008 43 897-899 Study on Steroids from the Stem of Croton caudatus Geisel.var.tomentosus Hook WANG Yuan, ZOU Zhong-mei Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 25 . β-sitosterol 相似度:63.6% Chinese Journal of Medicinal Chemistry 2006 16 303-305 The constituents of Veratrum japonicum Loes. f. ZHOU Jian-xia, KANG Lu, SHEN Zheng-wu Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 26 . β-谷甾醇 C29H50O 相似度:63.6% Chinese Journal of Medicinal Chemistry 2008 18 362-365 Chemical constituents of Artemisia anomala S.Moore TIAN Fu-rao, ZHANG Lin, TIAN Jing-kui, ZHOU Wen-ming Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 27 . sitosterol 相似度:63.6% Chemical Communications 1986 1139-1140 Biosynthesis of Sitosterol in Tissue Cultures of Rabdosia japonica Hara and Ergosterol in Yeast from [2-13C, 2-2H3]Acetate Shujiro Seo, * Ushio Sankawa, Haruo Seto, Atsuko Uomori, Yohko Yoshimura, Yutaka Ebizuka, Hiroshi Noguchi, and Ken'ichi Takeda Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 28 . β-sitosterol 相似度:63.6% Natural Product Research and Development 2005 17 125-127 Chemical Constituents of Tinospora craveniana LI Hong-bo; HU Jun; CHEN Jian-chao; QIU Ming-hua Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 29 . campesterol 相似度:63.6% Phytotherapy Research 2007 21 954-959 Identification of campesterol from Chrysanthemum coronarium L. and its antiangiogenic activities Jung-Min Choi, Eun-Ok Lee, Hyo-Jung Lee, Kwan-Hyun Kim, Kyoo-Seok Ahn, Bum-Sang Shim, Nam-Il Kim, Myoung-Chong Song, Nam-In Baek and Sung-Hoon Kim Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 30 . 4β-hydroxyβ-sitosterol(3β,4β-dihydroxy-5-β-sitostene) C29H50O2 相似度:63.6% Tetrahedron 2012 68 6485-6491 Oxidation with selenium dioxide: the first report of solvent-selective steroidal aromatization, efficient access to 4β,7α-dihydroxy steroids, and syntheses of natural diaromatic ergosterols Pranab Ghosh, Jayanta Das, Antara Sarkar, Seik Weng Ng, Edward R.T. Tiekink Structure 13C NMR 碳谱模拟图 |
2楼2013-05-25 15:38:59