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中原1虎木虫 (正式写手)
科研界的黄金矿工
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[求助]
求助微谱数据查询疑似单糖化合物
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| 最近分离得到一个疑似单糖化合物，碳谱数据：99.56(CH), 83.08(CH), 82.98(CH), 77.09(CH), 65.18(CH2)。请帮忙微谱数据查询一下可能的结构。PS：可能为糖或纤维素的降解产物。请问什么单糖除了端基碳外，两个CH都在80以上？ |
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行板如歌
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PSA: 金币+1, 赞 2012-12-26 09:50:32
感谢参与，应助指数 +1
PSA: 金币+1, 赞 2012-12-26 09:50:32
|
1 . arabinose tetraacetate 相似度:60% Chemical & Pharmaceutical Bulletin 1982 30 4025-4030 Studies on the Structure of Polysaccharides from the Bark of Melia azadirachta TADAMI FUJIWARA,TADAHIRO TAKEDA,YUKIO OGIHARA,MASAKI SHIMIZU,TAKEO NOMURA and YUTAKA TOMITA Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 2 . methyl glycofuranoside β-D-Ara 相似度:60% Phytochemistry 1992 31 3307-3330 NMR Spectroscopy in the structural elucidation of oligosaccharides and glycosides Pawan K. Agrawal Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 3 . β-D-fructofuranose 相似度:50% Natural Product Research 2009 23 1013-1020 Fructose-derived carbohydrates from Alisma orientalis Zhen Zhang; Dong Wang; Yun Zhao; Hong Gao; Ying-He Hu; Jin-Feng Hu Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 4 . Compound 2α 相似度:50% Bioorganic & Medicinal Chemistry Letters 2002 12 3515-3518 A novel synthesis of D-galactofuranosyl, D-glucofuranosyl and D-mannofuranosyl 1-phosphates based on remote activation of new and free hexofuranosyl donors Vincent Ferrières, Sophie Blanchard, Delphine Fischer, Daniel Plusquellec Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 5 . compound 2 相似度:50% Tetrahedron Letters 2005 46 3249-3252 Synthesis of C-disaccharide analogues of the α-d-arabinofuranosyl-(1→5)-α-d-arabinofuranosyl motif of mycobacterial cell walls via alkynyl intermediates Tashfeen Aslam, Michael G.G. Fuchs, Adeline Le Formal, Richard H. Wightman Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 6 . Methyl 2,5-anhydro-D-glycero-D-gulo-heptonate C8H14O7 相似度:50% Journal of the Chemical Society, Perkin Transactions 1 1996 2151-2156 Complex tetrahydrofurans from carbohydrate lactones: easy access to epimeric C-glycosides of glucofuranose from D-glycero-D-gulo-heptono-1,4-lactone Claire J. F. Bichard, Tilmann W. Brandstetter, Juan C. Estevez, George W. J. Fleet, David J. Hughes and Joseph R. Wheatley Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 7 . 6-deoxy-6-fluoro-α-D-fructose C6H11FO5 相似度:50% Bioorganic & Medicinal Chemistry 2009 17 5488-5495 Synthesis and characterization of 6-deoxy-6-fluoro-d-fructose as a potential compound for imaging breast cancer with PET Brendan J. Trayner, Tina N. Grant, Frederick G. West, Chris I. Cheeseman Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 8 . (2S,3R,4R,5R)-2-(hydroxymethyl)-5-methylpyrrolidine-3,4-diol C6H13NO3 相似度:50% European Journal of Organic Chemistry 2011 6980-6988 Diversity-Oriented Synthesis of Useful Chiral Building Blocks from D-Mannitol Appu Aravind, Ponminor Senthil Kumar, Muthukumar Gomathi Sankar and Sundarababu Baskaran |
2楼2012-12-26 09:48:29
wq0616
铁杆木虫 (正式写手)
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【答案】应助回帖
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感谢参与，应助指数 +1
PSA: 金币+1, thx 2012-12-26 09:50:45
感谢参与，应助指数 +1
PSA: 金币+1, thx 2012-12-26 09:50:45
|
1 . arabinose tetraacetate 相似度:60% Chemical & Pharmaceutical Bulletin 1982 30 4025-4030 Studies on the Structure of Polysaccharides from the Bark of Melia azadirachta TADAMI FUJIWARA,TADAHIRO TAKEDA,YUKIO OGIHARA,MASAKI SHIMIZU,TAKEO NOMURA and YUTAKA TOMITA Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 2 . methyl glycofuranoside β-D-Ara 相似度:60% Phytochemistry 1992 31 3307-3330 NMR Spectroscopy in the structural elucidation of oligosaccharides and glycosides Pawan K. Agrawal Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 3 . β-D-fructofuranose 相似度:50% Natural Product Research 2009 23 1013-1020 Fructose-derived carbohydrates from Alisma orientalis Zhen Zhang; Dong Wang; Yun Zhao; Hong Gao; Ying-He Hu; Jin-Feng Hu Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 4 . Compound 2α 相似度:50% Bioorganic & Medicinal Chemistry Letters 2002 12 3515-3518 A novel synthesis of D-galactofuranosyl, D-glucofuranosyl and D-mannofuranosyl 1-phosphates based on remote activation of new and free hexofuranosyl donors Vincent Ferrières, Sophie Blanchard, Delphine Fischer, Daniel Plusquellec Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 5 . compound 2 相似度:50% Tetrahedron Letters 2005 46 3249-3252 Synthesis of C-disaccharide analogues of the α-d-arabinofuranosyl-(1→5)-α-d-arabinofuranosyl motif of mycobacterial cell walls via alkynyl intermediates Tashfeen Aslam, Michael G.G. Fuchs, Adeline Le Formal, Richard H. Wightman Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 6 . Methyl 2,5-anhydro-D-glycero-D-gulo-heptonate C8H14O7 相似度:50% Journal of the Chemical Society, Perkin Transactions 1 1996 2151-2156 Complex tetrahydrofurans from carbohydrate lactones: easy access to epimeric C-glycosides of glucofuranose from D-glycero-D-gulo-heptono-1,4-lactone Claire J. F. Bichard, Tilmann W. Brandstetter, Juan C. Estevez, George W. J. Fleet, David J. Hughes and Joseph R. Wheatley Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 7 . 6-deoxy-6-fluoro-α-D-fructose C6H11FO5 相似度:50% Bioorganic & Medicinal Chemistry 2009 17 5488-5495 Synthesis and characterization of 6-deoxy-6-fluoro-d-fructose as a potential compound for imaging breast cancer with PET Brendan J. Trayner, Tina N. Grant, Frederick G. West, Chris I. Cheeseman Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 8 . (2S,3R,4R,5R)-2-(hydroxymethyl)-5-methylpyrrolidine-3,4-diol C6H13NO3 相似度:50% European Journal of Organic Chemistry 2011 6980-6988 Diversity-Oriented Synthesis of Useful Chiral Building Blocks from D-Mannitol Appu Aravind, Ponminor Senthil Kumar, Muthukumar Gomathi Sankar and Sundarababu Baskaran Structure 13C NMR 碳谱模拟图 |
3楼2012-12-26 09:49:11
