| 2 | 1/1 | 返回列表 |
| 查看: 289 | 回復(fù): 1 | ||
kengkengsee金蟲 (小有名氣)
|
[求助]
微譜求助,多謝 已有1人參與
|
|
溶劑:氘代氯仿 碳譜信號(hào):13.81,18.55,20.37,29.16,33.79,35.14,35.59,35.83,37.89,70.18,118.10,127.45,127.62,135.08,136.56,143.13,143.69,144.79,171.41,174.41 |
|
查詢結(jié)果:共查到116個(gè)化合物(查詢結(jié)果僅供參考) -------------------------------------------------------------------------------- 1 . 15-Deoxypulic acid C20H26O4 相似度:100% Phytochemistry 1992 31 4245-4248 Terpenoids from Pulicaria glutinosa Ilias Muhammad, Farouk S. El-Feraly, Jaber S. Mossa, Ahmed F. Ramadan Structure 13C NMR Structure & 13C NMR 碳譜模擬圖 -------------------------------------------------------------------------------- 2 . jasonin-c C20H26O2 相似度:80% Natural Product Research 2005 19 253-265 Three new diterpenes and the biological activity of different extracts of Jasonia montana Tawfeq A. Al-Howiriny; Adnan J. Al-Rehaily; Joanna R. Pols; John R. Porter; Jaber S. Mossa; Bahar Ahmed Structure 13C NMR Structure & 13C NMR 碳譜模擬圖 -------------------------------------------------------------------------------- 3 . strictic acid C20H26O3 相似度:80% Phytochemistry 1979 18 494-495 Strictic acid, a novel diterpene from Conyza stricta Sheela Tandon, R. P. Rastogi Structure 13C NMR Structure & 13C NMR 碳譜模擬圖 -------------------------------------------------------------------------------- 4 . secconidoresedagsaure C20H26O3 相似度:80% Phytochemistry 1981 20 850-851 Diterpenes of Conyza stricta, identification of conyzic acid, secconidoresedasaure and strictic acid Shashi B. Mahato, Asish K. Sen, Pranabesh C. Mazumdar, Kazuo Yamasaki Structure 13C NMR Structure & 13C NMR 碳譜模擬圖 -------------------------------------------------------------------------------- 5 . 15-methoxy-16-oxo-15,16H-strictic acid 相似度:76.1% Zeitschrift für Naturforschung C 2011 66 115-122 Chemical Composition and Biological Activity of Laennecia schiedeana A. Arciniegas, L. A. Polindara, A. L. Pérez-Castorena, A. M. García, G. Avila, J. L. Villaseñor, and A. R. d. Vivar Structure 13C NMR Structure & 13C NMR 碳譜模擬圖 -------------------------------------------------------------------------------- 6 . strictic acid monoacetate C22H28O6 相似度:72.7% Phytochemistry 1992 31 4245-4248 Terpenoids from Pulicaria glutinosa Ilias Muhammad, Farouk S. El-Feraly, Jaber S. Mossa, Ahmed F. Ramadan Structure 13C NMR Structure & 13C NMR 碳譜模擬圖 -------------------------------------------------------------------------------- 7 . compound 9 C21H28O4 相似度:71.4% Phytochemistry 2001 56 347-352 Sesqui- and diterpenoids from two Japanese and three European liverworts Fumihiro Nagashima, Yoshinori Asakawa Structure 13C NMR Structure & 13C NMR 碳譜模擬圖 -------------------------------------------------------------------------------- 8 . compound 2 相似度:70% Phytochemistry 1981 20 850-851 Diterpenes of Conyza stricta, identification of conyzic acid, secconidoresedasaure and strictic acid Shashi B. Mahato, Asish K. Sen, Pranabesh C. Mazumdar, Kazuo Yamasaki Structure 13C NMR Structure & 13C NMR 碳譜模擬圖 -------------------------------------------------------------------------------- 9 . 8-(tert-butyldiphenylsilyloxy)-(3S,7R)-3,7-dimethyloctylp-toluenesulfonate C33H46O4SiS 相似度:61.9% Tetrahedron 2013 69 9633-9641 Synthesis of stereopure acyclic 1,5-dimethylalkane chirons: building blocks of highly methyl-branched natural products Original Research Article Nan-Sheng Li, Joseph A. Piccirilli Structure 13C NMR Structure & 13C NMR 碳譜模擬圖 -------------------------------------------------------------------------------- 10 . 16-oxo-15,16H-hardwikiic acid methyl ester C21H30O4 相似度:57.1% Journal of Natural Products 1992 Vol 55 845 A New Clerodane-Type Diterpenoid from Eperua leucantha Dinorah Avila, José D. Medina, Anthony J. Deeming Structure 13C NMR 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] 275求調(diào)劑 +13 | Micky11223 2026-03-25 | 18/900 |
|
|---|---|---|---|---|
|
[考研] 化學(xué)工程085602 305分求調(diào)劑 +19 | RichLi_ 2026-03-25 | 19/950 |
|
|
[考研] 291求調(diào)劑 +5 | Y-cap 2026-03-29 | 6/300 |
|
|
[考研] 一志愿鄭州大學(xué),080500學(xué)碩,總分317分求調(diào)劑 +8 | 舉個(gè)栗子oi 2026-03-24 | 9/450 |
|
|
[考研] 356求調(diào)劑 +4 | gysy?s?a 2026-03-28 | 4/200 |
|
|
[考研] 0856求調(diào)劑 +7 | 楒桉 2026-03-28 | 7/350 |
|
|
[考研] 學(xué)碩274求調(diào)劑 +9 | Li李魚 2026-03-26 | 9/450 |
|
|
[考研] 求調(diào)劑推薦 材料 304 +15 | 荷包蛋hyj 2026-03-26 | 15/750 |
|
|
[考研] 265求調(diào)劑11408 +3 | 劉小鹿lu 2026-03-27 | 3/150 |
|
|
[考研] 一志愿211院校 344分 東北農(nóng)業(yè)大學(xué)生物學(xué)學(xué)碩,求調(diào)劑 +5 | 丶風(fēng)雪夜歸人丶 2026-03-26 | 8/400 |
|
|
[考研]
|
18419759900 2026-03-25 | 8/400 |
|
|
[考研] 考研調(diào)劑 +9 | 小蠟新筆 2026-03-26 | 9/450 |
|
|
[考研] 292求調(diào)劑 +4 | 求求了收下我吧?/a> 2026-03-26 | 4/200 |
|
|
[考研] 求調(diào)劑,一志愿 南京航空航天大學(xué)大學(xué) ,080500材料科學(xué)與工程學(xué)碩 +4 | @taotao 2026-03-26 | 5/250 |
|
|
[考研] 生物學(xué)學(xué)碩求調(diào)劑 +7 | 小羊睡著了? 2026-03-23 | 10/500 |
|
|
[考研] 一志愿北化315 求調(diào)劑 +3 | akrrain 2026-03-24 | 3/150 |
|
|
[考研] 292求調(diào)劑 +4 | 鵝鵝鵝額額額額?/a> 2026-03-24 | 4/200 |
|
|
[考研] 335求調(diào)劑 +4 | yuyu宇 2026-03-23 | 5/250 |
|
|
[考研] 341求調(diào)劑(一志愿湖南大學(xué)070300) +5 | 番茄頭--- 2026-03-22 | 6/300 |
|
|
[考研] 接收2026碩士調(diào)劑(學(xué)碩+專碩) +4 | allen-yin 2026-03-23 | 6/300 |
|