| 5 | 1/1 | 返回列表 |
| 查看: 688 | 回復(fù): 3 | ||
| 當(dāng)前只顯示滿足指定條件的回帖,點擊這里查看本話題的所有回帖 | ||
zhu13liang木蟲 (小有名氣)
|
[求助]
求助一個用微譜解析的結(jié)構(gòu) 85%相似也行
|
|
|
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)
|
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!樓主確定一下。 這兩種情況我都查了,結(jié)果一樣。 |
鐵桿木蟲 (著名寫手)
|
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 -------------------------------------------------------------------------------- |
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 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 材料學(xué)碩318求調(diào)劑 +5 | February_Feb 2026-03-19 | 5/250 |
|
|---|---|---|---|---|
|
[考研] 288求調(diào)劑 +15 | 于海海海海 2026-03-19 | 15/750 |
|
|
[考研] 0703化學(xué)調(diào)劑 +5 | pupcoco 2026-03-17 | 8/400 |
|
|
[考研] 材料專碩英一數(shù)二306 +5 | z1z2z3879 2026-03-18 | 5/250 |
|
|
[考研] 311求調(diào)劑 +6 | 26研0 2026-03-15 | 6/300 |
|
|
[考研] 312求調(diào)劑 +8 | 陌宸希 2026-03-16 | 9/450 |
|
|
[考研] 0703化學(xué)求調(diào)劑 總分331 +3 | ZY-05 2026-03-13 | 3/150 |
|
|
[考研] 0703化學(xué)調(diào)劑 +3 | 妮妮ninicgb 2026-03-17 | 3/150 |
|
|
[碩博家園] 湖北工業(yè)大學(xué) 生命科學(xué)與健康學(xué)院-課題組招收2026級食品/生物方向碩士 +3 | 1喜春8 2026-03-17 | 5/250 |
|
|
[考研] 一志愿蘇州大學(xué)材料工程(085601)專碩有科研經(jīng)歷三項國獎兩個實用型專利一項省級立項 +6 | 大火山小火山 2026-03-16 | 8/400 |
|
|
[考研] 材料與化工專碩調(diào)劑 +5 | heming3743 2026-03-16 | 5/250 |
|
|
[考研] 一志愿南京大學(xué),080500材料科學(xué)與工程,調(diào)劑 +4 | Jy? 2026-03-16 | 4/200 |
|
|
[考研] 一志愿,福州大學(xué)材料專碩339分求調(diào)劑 +3 | 木子momo青爭 2026-03-15 | 3/150 |
|
|
[考研] 274求調(diào)劑 +5 | 時間點 2026-03-13 | 5/250 |
|
|
[考研] 機(jī)械專碩325,尋找調(diào)劑院校 +3 | y9999 2026-03-15 | 5/250 |
|
|
[考研] 318求調(diào)劑 +3 | Yanyali 2026-03-15 | 3/150 |
|
|
[考研] 0703 物理化學(xué)調(diào)劑 +3 | 我可以上岸的對?/a> 2026-03-13 | 5/250 |
|
|
[考研] 0856專碩279求調(diào)劑 +5 | 加油加油!? 2026-03-15 | 5/250 |
|
|
[考研] 招收0805(材料)調(diào)劑 +3 | 18595523086 2026-03-13 | 3/150 |
|
|
[考研] 304求調(diào)劑 +7 | 7712b 2026-03-13 | 7/350 |
|