| 2 | 1/1 | 返回列表 |
| 查看: 401 | 回復(fù): 1 | ||||
[求助]
微譜求助,謝謝大家了! 已有1人參與
|
|
我的數(shù)據(jù)如下: 13C NMR (CDCl3) δ 16.0,16.3,16.9,17.2,18.8,21.0,21.8,22.1,24.3,26.7,28.9,31.0,33.4,33.6,34.5,37.5,40.4,41.4,42.0,42.0,42.2,44.2,50.0,50.5,51.2,54.1,56.2,74.1 在33.4和18.8可能有信號的重疊。 謝謝大家了! |
榮譽版主 (職業(yè)作家)
kerry
![]() |
專家經(jīng)驗: +726 |
|
查詢模式:模糊查詢 碳譜數(shù)據(jù)輸入: 按從小到大順序輸入,數(shù)字間用英文半角逗號(,)分隔例如: 21.4,30.4,37.4,73.2,73.7,125.6,126.6,139.6,140.2,168.2 溶劑選項: 匹配容差: (數(shù)字格式,可自行設(shè)定) 相似度: %(相似度>=50%) 查詢結(jié)果:共查到14653個化合物(查詢結(jié)果僅供參考) 1 . compound 10 相似度:96.5% Phytochemistry 1993 32 1235-1237 Sesqui- and triterpenoids of the liverwort Conocephalum japonicum Masao Toyota, Yoshinori Asakawa Structure 13C NMR 碳譜模擬圖 2 . hydroxyhopane 相似度:96.5% Chinese Journal of Medicinal Chemistry 2008 18 291-293 Chemical constituents from the root of Lygodium japonicum(Thunb.) Sw. ZHU Lin-xia, ZHANG Guo-gang, WANG Sheng-chao, ZUO Tian-tian Structure 13C NMR 碳譜模擬圖 3 . 22-hydroxyhopane 相似度:93.3% Chemical & Pharmaceutical Bulletin 1993 41 1939-1943 NMR Spectra of Triterpenoids. I. Conformation of the Side Chain of Hopane and Isohopane, and Their Derivatives Hiroyuki AGETA,Kenji SHIOJIMA,Hideki SUZUKI and Sachiko NAKAMURA Structure 13C NMR 碳譜模擬圖 4 . 22-hydroxyhopane 相似度:93.3% Chinese Pharmaceutical Journal 2008 43 18-20 Studies on Chemical Constituents of Marchantia polymorpha L. FANG Lei, NIU Chong, LOU Hong-xiang Structure 13C NMR 碳譜模擬圖 5 . 22-hydroxyhopane C30H52O 相似度:93.3% Phytotherapy Research 1998 12 S21-S24 Three triterpenoids and one flavonoid from the liverwort Asterella blumeana grown in vitro M. Neves, R. Morais, S. Gafner and K. Hostettmann Structure 13C NMR 碳譜模擬圖 6 . hopan-22-ol 相似度:93.3% Química Nova 2007 30 292-297 Chemical composition and evaluation of allelopathic potentials of Adiantum tetraphyllum Humb. & Bonpl. Ex. Willd (Pteridaceae) Melos, Jorge L. R.; Silva, Luciana B.; Peres, Marize T. L. P.; Mapeli, Ana M.; Faccenda, Odival; Anjos, Hátino H.; Torres, Thais G.; Tiviroli, Soraia C.; Batista, Ana L.; Almeida, Felipe G. N.; Flauzino, Natasha S.; Tibana, Letícia A.; Hess, Sônia C.; Hon Structure 13C NMR 碳譜模擬圖 7 . Hopan-22-ol 相似度:93.3% Australian Journal of Chemistry 1987 40 1713-1721 A 13C N.M.R. Study of Some Oxygenated Hopane Triterpenes AL Wilkins, KJ Ronaldson, PM Jager and PW Bird Structure 13C NMR 碳譜模擬圖 8 . hydroxyhopane 相似度:90% Chemical & Pharmaceutical Bulletin 1990 38 2130-2132 Fern Constituents : Triterpenoids Isolated from the Leaves of Cheiropleuria bicuspis Rumiko KAMAYA,Yoshiko TANAKA,Rie HIYAMA and Hiroyuki AGETA Structure 13C NMR 碳譜模擬圖 9 . hydroxyhopane 相似度:90% Journal of Natural Products 1990 Vol 53 325 Chemotaxonomy of Ferns, 3. Triterpenoids from Polypodium polypodioides Hiroyuki Ageta, Yoko Arai Structure 13C NMR 碳譜模擬圖 10 . diplopterol 相似度:90% Phytochemistry 1994 35 1293-1296 Triterpenes from Fossombronia liverworts Carola Grammes, Gunther Burkhardt, Hans Becker Structure 13C NMR 碳譜模擬圖 11 . compound 4 相似度:90% Chemical & Pharmaceutical Bulletin 1987 35 4016-4021 Chemical and Chemotaxonomical Studies of Filices. LXXI. Chemical Studies on the Constituents of Cheiropleuria bicuspis (BL.) PR. NOBUTOSHI TANAKA,HIROSHI WADA,MASAAKI KOJIMA,TAKAO MURAKAMI,YASUHISA SAIKI,CHIU-MING CHEN and YOICHI IITAKA Structure 13C NMR 碳譜模擬圖 12 . hydroxyhopanone 相似度:86.6% Chemical & Pharmaceutical Bulletin 1996 44 1033-1038 Chemical Evaluation of Betula Species in Japan. II. Constituents of Betula platyphylla var. japonica Hiroyuki FUCHINO,Soh KONISHI,Tetsuya SATOH,Akiko YAGI,Kohei SAITSU,Tatsuya TATSUMI and Nobutoshi TANAKA Structure 13C NMR 碳譜模擬圖 13 . diploterol 相似度:86.6% Acta Botanica Boreali-Occidentalia Sinica 2008 28 1246-1249 Chemical Constituents in the Leaves of Alsophila spinulosa CHEN Feng-zheng, XIANG Qing-xiang, LI Shu-hua Structure 13C NMR 碳譜模擬圖 14 . diploterol 相似度:86.6% Phytochemistry 1994 37 1517-1575 13C NMR Spectra of pentacyclic triterpenoids—a compilation and some salient features Shashi B. Mahato, Asish P. Kundu Structure 13C NMR 碳譜模擬圖 |

| 2 | 1/1 | 返回列表 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 317求調(diào)劑 +4 | 申子申申 2026-03-19 | 8/400 |
|
|---|---|---|---|---|
|
[考研] 材料學(xué)碩297已過四六級求調(diào)劑推薦 +5 | adaie 2026-03-19 | 5/250 |
|
|
[考研] 288求調(diào)劑,一志愿華南理工大學(xué)071005 +5 | ioodiiij 2026-03-17 | 5/250 |
|
|
[考研] 一志愿西安交通大學(xué)材料工程專業(yè) 282分求調(diào)劑 +5 | 楓橋ZL 2026-03-18 | 7/350 |
|
|
[考研] 材料與化工求調(diào)劑 +7 | 為學(xué)666 2026-03-16 | 7/350 |
|
|
[考研] 一志愿華中科技大學(xué),080502,354分求調(diào)劑 +4 | 守候夕陽CF 2026-03-18 | 4/200 |
|
|
[考研] 材料專業(yè)求調(diào)劑 +5 | hanamiko 2026-03-18 | 5/250 |
|
|
[考研] 【同濟軟件】軟件(085405)考研求調(diào)劑 +3 | 2026eternal 2026-03-18 | 3/150 |
|
|
[考研] 化學(xué)工程321分求調(diào)劑 +15 | 大米飯! 2026-03-15 | 18/900 |
|
|
[考研]
|
胡辣湯放糖 2026-03-15 | 6/300 |
|
|
[考研] 293求調(diào)劑 +11 | zjl的號 2026-03-16 | 16/800 |
|
|
[考研] 277調(diào)劑 +5 | 自由煎餅果子 2026-03-16 | 6/300 |
|
|
[考研] 有沒有道鐵/土木的想調(diào)劑南林,給自己招師弟中~ +3 | TqlXswl 2026-03-16 | 7/350 |
|
|
[考研] 考研調(diào)劑 +3 | 淇ya_~ 2026-03-17 | 5/250 |
|
|
[考研] 274求調(diào)劑 +5 | 時間點 2026-03-13 | 5/250 |
|
|
[考研] 321求調(diào)劑 +5 | 大米飯! 2026-03-15 | 5/250 |
|
|
[考研] 070303 總分349求調(diào)劑 +3 | LJY9966 2026-03-15 | 5/250 |
|
|
[考研] 070305求調(diào)劑 +3 | mlpqaz03 2026-03-14 | 4/200 |
|
|
[考研] 本科南京大學(xué)一志愿川大藥學(xué)327 +3 | 麥田耕者 2026-03-14 | 3/150 |
|
|
[考研] 289求調(diào)劑 +4 | 這么名字咋樣 2026-03-14 | 6/300 |
|