版塊導(dǎo)航: 正在加載中...

登錄注冊

應(yīng)《網(wǎng)絡(luò)安全法》要求，自2017年10月1日起，未進(jìn)行實(shí)名認(rèn)證將不得使用互聯(lián)網(wǎng)跟帖服務(wù)。為保障您的帳號能夠正常使用，請盡快對帳號進(jìn)行手機(jī)號驗(yàn)證，感謝您的理解與支持！

24小時熱門版塊排行榜

北京石油化工學(xué)院2026年研究生招生接收調(diào)劑公告

返回列表

金童藥學(xué)

新蟲 (初入文壇)

應(yīng)助: 0 (幼兒園)
金幣: 260
帖子: 45
在線: 25.2小時
蟲號: 3589782
注冊: 2014-12-11
專業(yè): 天然藥物化學(xué)

[求助] 微譜求助，多謝已有1人參與

溶劑：CDCl3 碳譜數(shù)據(jù)：12.04,12.12,17.67,18.86,19.17,19.97,21.03,23.23,24.13,26.22,28.17,29.31,34.00,34.13,34.37,35.70,36.19,39.29,39.97,42.69,45.97,46.97,51.15,56.02,56.71,125.61,161.22,199.62,202.47

回復(fù)此樓

» 猜你喜歡

材料求調(diào)劑一志愿哈工大總分298分，前三科223分已經(jīng)有5人回復(fù)
085600 286分材料求調(diào)劑已經(jīng)有6人回復(fù)
086502化學(xué)工程342求調(diào)劑已經(jīng)有4人回復(fù)
材料求調(diào)劑一志愿哈工大324 已經(jīng)有7人回復(fù)
328求調(diào)劑已經(jīng)有7人回復(fù)
340求調(diào)劑已經(jīng)有5人回復(fù)
一志愿南昌大學(xué)324求調(diào)劑已經(jīng)有4人回復(fù)
求調(diào)劑推薦材料 304 已經(jīng)有15人回復(fù)
291求調(diào)劑已經(jīng)有19人回復(fù)
331環(huán)境科學(xué)與工程求調(diào)劑已經(jīng)有3人回復(fù)

» 本主題相關(guān)價值貼推薦，對您同樣有幫助:

求解氫譜試題！已經(jīng)有5人回復(fù)
DMSO的炭譜為什么是7重峰？已經(jīng)有5人回復(fù)
解譜求助（只有碳譜），謝謝了。已經(jīng)有3人回復(fù)
求助、、、謝謝大神已經(jīng)有4人回復(fù)
微譜求助，多謝了已經(jīng)有3人回復(fù)
微譜求助謝謝已經(jīng)有4人回復(fù)
求解核磁氫譜�。�！多謝多謝��！已經(jīng)有19人回復(fù)
求47個碳以上的微譜，分子量1100，謝謝！已經(jīng)有3人回復(fù)
急求在線等微譜求助已經(jīng)有5人回復(fù)
急求微譜庫查詢！非常感謝！已經(jīng)有3人回復(fù)
求助兩個化合物的微譜數(shù)據(jù)查詢已經(jīng)有3人回復(fù)
求助微譜數(shù)據(jù)，謝謝已經(jīng)有5人回復(fù)
求微譜數(shù)據(jù) 謝謝已經(jīng)有3人回復(fù)
微譜查結(jié)構(gòu) 謝謝已經(jīng)有3人回復(fù)
[求助]哪位好人學(xué)�？梢允褂梦⒆V數(shù)據(jù)庫，幫我檢索幾個化合物的母核。謝謝！已經(jīng)有4人回復(fù)

1樓 2014-12-26 15:34:56

已閱回復(fù)此樓關(guān)注TA 給TA發(fā)消息送TA紅花 TA的回帖

風(fēng)行者007

至尊木蟲 (著名寫手)

應(yīng)助: 1309 (講師)
金幣: 12672.8
紅花: 15
帖子: 1490
在線: 299.5小時
蟲號: 2542465
注冊: 2013-07-12
性別: GG
專業(yè): 有機(jī)合成

【答案】應(yīng)助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感謝參與，應(yīng)助指數(shù) +1
金童藥學(xué): 金幣+10, ★★★★★最佳答案 2014-12-26 19:23:08

查詢結(jié)果：共查到8729個化合物(查詢結(jié)果僅供參考)
1 .    stigmast-4-ene-3,6-dione
相似度:100%
Journal of Natural Products       2002       65       1857-1862
Antimicrobial Activities of Naphthazarins from Arnebia euchroma
Chien-Chang Shen,Wan-Jr Syu,Shyh-Yuan Li, Chia-Hung Lin, Gum-Hee Lee, and Chang-Ming Sun
Structure    13C NMR 碳譜模擬圖
2 .    (24R)-24-ethylcholest-4-en-3,6-dione
相似度:100%
Chemistry of Natural Compounds       2001       37       351-355
13C NMR SPECTRA OF 6-HYDROXIMINOSTEROIDS OF THE STIGMASTANE SERIES
N. V. Kovganko and Yu. G. Chernov
Structure    13C NMR 碳譜模擬圖
3 .    compound 8
相似度:100%
Chemistry of Natural Compounds       1999       35       646-649
13C NMR SPECTRA OF II-SITOSTEROL DERIVATIVES WITH OXIDIZED RINGS A AND B
N. V. Kovganko, Zh. N. Kashkan,E. V. Borisov, and E. V. Batura
Structure    13C NMR 碳譜模擬圖
4 .    compound
相似度:100%
Biochemical Systematics and Ecology       2000       28       911-913
Stigmast-4-ene-3,6-dione an unusual phytotoxic sterone from the roots of Echium vulgare L.
Fernando Pardo, Fernando Perich, René Torres, Franco Delle Monache
Structure    13C NMR 碳譜模擬圖
5 .    stigmasta-4-ene-3,6-dione
相似度:100%
China Journal of Chinese Materia Medica       2005       30       124-126
Studies on the chemical constituents in herb of Ranunculus sceleratus
GAO Xiaozhong, ZHOU Changxin, ZHANG Shuili, YAO Wei, ZHAO YU
Structure    13C NMR 碳譜模擬圖
6 .    豆甾-4-烯-3,6-二酮
相似度:100%
China Journal of Chinese Materia Medica       2003       28       278-279
莢果蕨貫眾化學(xué)成分的研究
楊嵐, 趙玉英, 屠呦呦
Structure    13C NMR 碳譜模擬圖
7 .    stigmastan-4-en-3,6-dione
相似度:100%
Journal of Natural Products       1990       Vol 53       1430
Stigmasterols from Typha latifolia
Marina Della Greca, Pietro Monaco, Lucio Previtera
Structure    13C NMR 碳譜模擬圖
8 .    compound 3
相似度:100%
Acta Pharmaceutica Sinica       1999       Vol 34       682-685
STUDIES ON THE CHEMICAL CONSTITUENTS FROM DESMOS DUMOSUS (ROXB.) SAFF
Wu Jiuhong (Wu JH); Liao Shixuan (Liao SX); Mao Shilong (Mao SL); Yi Yanghua (Yi YH); Takeya K; Su Zhongwu (Su ZW) and Lan Chuanqing (Lan CQ)
Structure    13C NMR 碳譜模擬圖
9 .    (24R)-stigmast-4-ene-3,6-dione
C29H48O2    相似度:100%
Phytochemistry       1993       34       523-527
Steroidal constituents from mature wheat straw
Elvira M.M. Gaspar, Higuinaldo J.C. das Neves
Structure    13C NMR 碳譜模擬圖
10 .    22-dihydro-stigmast-4-en-3,6-dione
相似度:100%
Korean Journal of Pharmacognosy       1996       27(1)       75-79
Phytochemical Constituents from Aconitum pseudolaeve Var. erectum
Kim, Dae-Keun; Kwak, Jong-Hwan; Song, Ki-Won; Kwon, Hack-Cheol; Zee, Ok-Pyo; Lee, Kang-Ro
Structure    13C NMR 碳譜模擬圖
11 .    Stigmast-4-ene-3,6-dione
相似度:100%
Magnetic Resonance in Chemistry       2004       42       355-359
Complete 1H and 13C NMR assignments of two phytosterols from roots of Piper nigrum
Kun Wei, Wei Li, Kazuo Koike, Yuping Pei, Yingjie Chen and Tamotsu Nikaido
Structure    13C NMR 碳譜模擬圖
12 .    豆甾-4-烯-3,6-二酮
C29H48O2    相似度:100%
Chinese Traditional and Herbal Drugs       2008       39       671-672
胡頹子葉化學(xué)成分研究
付義成;王曉靜;賈獻(xiàn)慧;李俊婕
Structure    13C NMR 碳譜模擬圖
13 .    豆甾-4-烯-3,6-二酮
相似度:100%
Chinese Traditional and Herbal Drugs       2006       37       1780-1781
連錢草中三萜類化學(xué)成分
張前軍;楊小生;朱海燕;姚云;郝小江;宋寶安
Structure    13C NMR 碳譜模擬圖
14 .    stigmast-4-en-3,6-dione
相似度:100%
Chinese Traditional and Herbal Drugs       2002       33       205-206
Studies on chemical constituents of Uvaria tonkinensis var. subglabra
LIU An; TIAN Jing kui; ZOU Zhong mei; XU Li zhen; MU Hong mei; YANG Shi lin
Structure    13C NMR 碳譜模擬圖
15 .    stigmast-4-ene-3,6-dione
相似度:100%
Chinese Pharmaceutical Journal       2009       44       576-580
Studies on Antitumor Steroids and Flavonoids from Tamarix chinensis Lour.
WANG Bin, REN Shu-wen, LI Guo-qiang, GUAN Hua-shi
Structure    13C NMR 碳譜模擬圖
16 .    stigmast-4-ene-3,6-dione
相似度:100%
Chinese Journal of Medicinal Chemistry       2003       13       211-214
Studies on the chemical constituents of Fructus Ailanthi altissimae
ZHAO Chun-chao, WANG Jin-hui, LI Wen, SHA Yi, LI Xian
Structure    13C NMR 碳譜模擬圖
17 .    stigmast-4-en-3,6-dione
相似度:100%
Journal of Shenyang Pharmaceutical University       2009       26       874-877
Isolation and identification of steroids from the leaves of theMagnolia sieboldii K. Koch
WANG Ru-ping, WU Di, GAO Hui-yuan, SUN Bo-hang, HUANG Jian, WU Li-jun
Structure    13C NMR 碳譜模擬圖
18 .    stigmast-4-en-3,6-dione
相似度:100%
Journal of Shenyang Pharmaceutical University       2009       26       357-360
Isolation and identification of chemical constituents from testa of Castanea mollissima Blume
LU Chuan, WU Zhao-hua, GAO Hui-yuan, SUN Bo-hang, HUANG Jian, WU Li-jun
Structure    13C NMR 碳譜模擬圖
19 .    stigmast-4-ene-3,6-dione
相似度:100%
Natural Product Research and Development       2009       21       960-962
Study on the Chemical constituents of Callipteris esculenta(Athyriaceae)
WANG Zi-juan;ZHAO Qin-shi; PENG Li-yan; CHENG Xiao
Structure    13C NMR 碳譜模擬圖
20 .    stigma-4-en-3,6-dione
C29H46O2    相似度:100%
Natural Product Research and Development       2004       16       210-212
STUDY ON THE CHEMICAL CONSTITUENTS OF OSTODES PANICULATA
QI Shu-hua; GUO Jian-wei; WU Da-gang; LUO Xiao-dong
Structure    13C NMR 碳譜模擬圖
21 .    enedione
相似度:100%
Natural Product Research and Development       2000       12(5)       14-16
STEROID CONSTITUENTS FROM EUONYMUS MUPINENSIS
Mao Shilong; Sang Shengmin; Lao Aina and Chen Zhongliang
Structure    13C NMR 碳譜模擬圖
22 .    stigma-4-en-3,6-dione
相似度:100%
Zeitschrift für Naturforschung C       2003       58       521-526
Cytotoxic Benzophenanthridine and Benzylisoquinoline Alkaloids from Argemone mexicana
Y.-C. Chang, F.-R. Chang, A. T. Khalil, P.-W. Hsieh, and Y.-C. Wu
Structure    13C NMR 碳譜模擬圖

贊一下

回復(fù)此樓

腳踏實(shí)地，奮力一搏，月宮折桂

2樓2014-12-26 15:58:36

已閱回復(fù)此樓關(guān)注TA 給TA發(fā)消息送TA紅花 TA的回帖

相關(guān)版塊跳轉(zhuǎn) 我要訂閱樓主金童藥學(xué) 的主題更新