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zhu13liang木蟲 (小有名氣)
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[求助]
求助一個用微譜解析的結(jié)構(gòu) 85%相似也行
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求助一個用微譜解析的結(jié)構(gòu) 85%相似也行 碳譜數(shù)據(jù):166.765,166.457,155.447,131.465,131.392,129.488,129.488,129.254,128.437,128.324,115.095,114.813,114.813,103.115,102.448,81.637,76.492,76.416,75.526,75.383,75.050,73.087,72.315,70.286,69.843,69.682,67.786,67.178,67.053,65.614,64.622,62.766,44.085,39.765,39.688,39.519,39.432,39.263,39.098,39.930,38.765,37.839,34.577,29.557,28.129,23.010,22.164,13.673,10.580 可能是苯乙醇苷類化合物,氫譜7.7附近有一個dd峰和t峰的重疊,7.0,6.7分別有兩個2H的d峰,和兩個1H的d峰 希望解譜高手能幫個忙,謝謝 是用DMSO做的譜 [ Last edited by zhu13liang on 2012-4-14 at 08:03 ] |
鐵桿木蟲 (著名寫手)
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查詢結(jié)果:共查到3個化合物(查詢結(jié)果僅供參考) -------------------------------------------------------------------------------- 1 . caretroside A C52H80O21 相似度:53.8% Phytochemistry 1996 42 1135-1139 Pregnane glycosides from Caralluma retrospiciens Ahmed F. Halim, Ashraf T. Khalil Structure 13C NMR 碳譜模擬圖 -------------------------------------------------------------------------------- 2 . acutanguloside C C54H80O21 相似度:51.9% Journal of Natural Products 2005 68 311-318 Acutangulosides A−F, Monodesmosidic Saponins from the Bark of Barringtonia acutangula Clive Mills, Anthony R. Carroll, and Ronald J. Quinn Structure 13C NMR 碳譜模擬圖 -------------------------------------------------------------------------------- 3 . cyanidin 3-[2-(glucosyl)-6-(4-(glucosyl)-p -coumaroyl)-glucoside]-5-[6-(malonyl)-glucoside] C51H59O31 相似度:50% Phytochemistry 2008 69 3139-3150 Tetra-acylated cyanidin 3-sophoroside-5-glucosides from the flowers of Iberis umbellata L. (Cruciferae) Norio Saito, Fumi Tatsuzawa, Eri Suenaga, Kenjiro Toki, Koichi Shinoda,Atsushi Shigihara, Toshio Honda Structure 13C NMR 碳譜模擬圖 -------------------------------------------------------------------------------- |
鐵桿木蟲 (著名寫手)
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樓主給出的上面碳數(shù)據(jù),按從小到大的順序,第10個碳信號數(shù)值,39.930,是不是應(yīng)該為39.030啊!樓主確定一下。 這兩種情況我都查了,結(jié)果一樣。 |
木蟲 (小有名氣)
送鮮花一朵 |
幫忙重新查詢一個微譜解析的結(jié)構(gòu)、碳譜數(shù)據(jù)重新核對過, 85%相似也行碳譜數(shù)據(jù):166.765,166.457,166.457,155.447,155.447,131.465,131.392,129.488,129.488,129.254,128.437,128.324,115.095,114.813,114.813,103.115,102.448,76.492,75.526,73.087,72.315,70.286,69.843,69.682,67.786,67.178,67.178,67.053,64.622,39.930,38.765,37.839,34.577,29.557,28.129,23.010,22.164,13.673,10.580 查詢后,再送20金幣 |
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