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milkbaby1204银虫 (初入文坛)
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[求助]
求微谱结构，详细，十万火急
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化合物1碳谱数据（300 MHz, DMSO）：202,;171,;144,;126,;69,;62,14,;61.14,;55,;42.47,;37.15,;36.36,;27.24,;26.23,;24.95.;23.08,;22.86,;21.49,;17.71,;16.30,;12.64,; 请回复详细的微谱推测结构 |
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5楼2013-05-06 23:11:22
yaolan123
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【答案】应助回帖
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感谢参与，应助指数 +1
milkbaby1204: 金币+5, ★★★很有帮助 2013-05-06 22:06:49
感谢参与，应助指数 +1
milkbaby1204: 金币+5, ★★★很有帮助 2013-05-06 22:06:49
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1 . 7,8-epoxy-1,3,11-cembratriene-15R(α),16-diol C20H32O3 相似度:65% Journal of Natural Products 2002 65 1809-1814 Semisynthesis of New Sarcophine Derivatives with Chemopreventive Activity Isamu Katsuyama, Hesham Fahmy,Jordan K. Zjawiony, Sherief I. Khalifa,Raouf W. Kilada,Takao Konoshima, Midori Takasaki, and Harakuni Tokuda Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 2 . 3R,4R,7R,8R-diepoxy-13-keto-1R,11S-dolabell-12(18)-ene C20H30O3 相似度:65% Journal of Natural Products 2010 73 925-934 Dolabellane-Type Diterpenoids with Antiprotozoan Activity from a Southwestern Caribbean Gorgonian Octocoral of the Genus Eunicea Xiaomei Wei, Abimael D. Rodríguez, Peter Baran and Raphael G. Raptis Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 3 . (-)-1R,2S,7R,8R-18-keto-asperdiol C20H30O3 相似度:65% Bioorganic & Medicinal Chemistry 2013 21 242-256 Synthesis of cembranoid analogues and evaluation of their potential as quorum sensing inhibitors Edisson Tello, Leonardo Castellanos, Carmenza Duque Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 4 . pacificin A C20H34O2 相似度:60% Journal of Natural Products 2005 68 74-77 Prenylbicyclogermacrane Diterpenoids from the Formosan Soft Coral Nephthea pacifica Ali A. H. El-Gamal, Shang-Kwei Wang, Chang-Feng Dai, I-Gin Chen, and Chang-Yih Duh Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 5 . sargachromanol G C27H38O4 相似度:60% Journal of Natural Products 2005 68 716-723 Chromenes from the Brown Alga Sargassum siliquastrum Kyoung Hwa Jang, Bong Ho Lee, Byoung Wook Choi, Hyi-Seung Lee, and Jongheon Shin Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 6 . lα,l0α-epoxy-2-oxofagonene C20H3O4 相似度:60% Planta Medica 1997 63 374-376 Erythroxan Diterpenes from Fagonia glutinosa Maged S. Abdel-Kader, Abdallah A. Omar, and Frank R. Stermitz Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 7 . 12-acetoxy-1(10)-aristolene C17H26O2 相似度:60% Journal of Natural Products 1993 Vol 56 508 Sesquiterpenoids and Norsesquiterpenoids from the Soft Coral Lemnalia africana Jaroslaw Jurek, Paul J. Scheuer Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 8 . compound 10 相似度:60% Phytochemistry 1996 41 217-223 Biologically active flavonoids and terpenoids from Egletes viscosa Mary Anne S. Lima, Edilberto R. Silveira, Maria Silvania L. Marques, Regina Helena A. Santos, Maria Teresa P. Gambardela Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 9 . crolechinol C20H36O3 相似度:60% Phytochemistry 1993 32 755-760 Diterpenes from Croton lechleri Y. Cai, Z.P. Chen, J.D. Phillipson Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 10 . compound 3b C32H48O6 相似度:60% Phytochemistry 1991 30 3379-3382 Iridals from Belamcanda chinensis and Iris japonica Fumiko Abe, Rong-Fu Chen, Tatsuo Yamauchi Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 11 . Cyanthiwigin K C20H32O2 相似度:60% Tetrahedron 2002 58 7809-7819 The new bioactive diterpenes cyanthiwigins E–AA from the Jamaican sponge Myrmekioderma styx Jiangnan Peng, Kelly Walsh, Valarie Weedman, Jennifer D Bergthold, John Lynch, Kuo L Lieu, Irwin A Braude, Michelle Kelly, Mark T Hamann Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 12 . 3S,4S,11S,12S,1E,7E-3,4:11,12-bisepoxy cembra-1,7-diene C20H31O 相似度:60% Tetrahedron 1992 48 3111-3120 New diterpenes from a new species of lobophytum soft coral of the South Andaman Coast Chitti Subrahmanyam, Chirravuri Venkateswara Rao, V. Anjaneyulu, P. Satyanarayana, P.V. Subba Rao, Robert S. Ward, Andrew Pelter Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 13 . (1R,3R,4S,7R,8R,11R,12E)-3,4-7,8-bisepoxy-dolabella-12-en-18-ol C20H32O3 相似度:60% Tetrahedron 1990 46 3851-3858 Two new dolabellane derivatives from the brown alga dictyota pardarlis Anthony D. Wright, Gabriele M. König, Otto Sticher Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 14 . Crolechinol 相似度:60% Natural Product Communications 2006 1 319-336 Clerodane Diterpenes from Croton Species: Distribution anda Compilation of their 13C NMR Spectral Data Sebastião F. Palmeira Júnior, Lucia M. Conserva and José Maria Barbosa Filho Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 15 . (3S,4S,11S,12S,1E,7E)-3,4:11,12-bisepoxycembra-1,7-diene C20H32O2 相似度:60% Australian Journal of Chemistry 1983 36 2289-2295 Studies of Australian soft corals. XXXIII. New cembranoid diterpenes from a Lobophytum species BF Bowden, JC Coll and DM Tapiolas Structure 13C NMR 碳谱模拟图 |
2楼2013-05-06 15:43:55
milkbaby1204
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3楼2013-05-06 22:10:50
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4楼2013-05-06 23:09:12
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