24小时热门版块排行榜    

北京石油化工学院2026年研究生招生接收调剂公告
查看: 468  |  回复: 1

丢失的小骨头

金虫 (初入文坛)

[求助] 微谱数据求助 已有1人参与

C谱数据如下:21.05,23.31,23.52,23.77,25.23,25.68,25.93,27.85,28.20,32.67,37.67,37.97,38.07,39.85,41.08,41.33,41.69,53.72,65.76,72.22,78.71,127.89,138.75,181.23
回复此楼

» 猜你喜欢

» 本主题相关价值贴推荐,对您同样有帮助:

只有100%的坚持才有51%的成功
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

风行者007

至尊木虫 (著名写手)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
丢失的小骨头: 金币+10, ★★★很有帮助 2014-11-30 11:04:19
???????????鵽815????????(???????????ο?)
1 .     ilexgenin A
    ?????:72.4%
Chinese Traditional and Herbal Drugs          2007          38          995-997
???????л???????о?
??????;??????;?????;???;??????
Structure      13C NMR   ???????
2 .     3-benzoxy-(3R,7R,11R)-3,7,11,15-tetramethylhexadec-1-yne
C27H44O     ?????:70.8%
Bioorganic & Medicinal Chemistry          2010          18          7628-7638
Design, synthesis, and evaluation of an ??-tocopherol analogue as a mitochondrial antioxidant
Jun Lu, Omar M. Khdour, Jeffrey S. Armstrong, Sidney M. Hecht
Structure      13C NMR   ???????
3 .     cholest-5-ene-3??,4??-diol
    ?????:66.6%
China Journal of Chinese Materia Medica          2014          39          2284-2288
Chemical constituents of Hyptis rhomboidea and their antifungal acvitity
Tang Lu, Li Xifeng, Yang Shengxiang, Qiu Yan, Yuan Ke
Structure      13C NMR   ???????
4 .     ursolic acid
C30H48O3     ?????:65.3%
Records of Natural Products          2014          8          312-316
Phytochemicals from the Bark of Garcinia hombroniana and Their Biological Activities
Nargis Jamila, Melati Khairuddean, Sadiq Noor Khan , Naeem Khan and Hasnah Osman
Structure      13C NMR   ???????
5 .     2??,3??-(22R )-trihydrosycholestan-6-one
C27H46O4     ?????:62.9%
Phytochemistry          1999          51          453-456
A steroidal glycoside from Lepisorus ussuriensis
Young Hae Choi, Jinwoong Kim, Young-Hee Choi
Structure      13C NMR   ???????
6 .     23-nor-24-esomethylene-3??,6??,19??-trihydroxyurs-12-en-28 oic acid
    ?????:62.9%
Acta Pharmaceutica Sinica          2001          Vol 36          120-122
STUDIES ON THE CHEMICAL CONSTITUENTS OF UNCARIA YUNANENSIS HSIA.C.C
TAO Zhao yang; YI Yang hua; XU Qian zhi
Structure      13C NMR   ???????
7 .     rotundioic acid
    ?????:62.9%
Natural Product Research and Development          2009          21          593-599
Chemical Constituents of Osmanthus yunnanensis
MA Xiao-li;LIN Wen-bing; ZHANG Guo-lin
Structure      13C NMR   ???????
8 .     28-nor-urs-12-ene-3??, 17??-diol
C29H48O2     ?????:62.0%
Phytochemistry          2005          66          627-632
Cladocalol, a pentacyclic 28-nor-triterpene from Eucalyptus cladocalyx with cytotoxic activity
Samira Benyahia, Samir Benayache, Fadila Benayache, Francisco Le??n,Jos?? Quintana, Mat??as L??pez, Juan C. Hern??ndez,Francisco Est??vez, Jaime Bermejo
Structure      13C NMR   ???????
9 .     28-nor-urs-12-ene-3??,17??-diol
C29H48O2     ?????:62.0%
Journal of Natural Products          2006          69          1164-1167
Taraxasterane- and Ursane-Type Triterpenes from Nerium oleander and Their Biological Activities
Ming Zhao, Shujun Zhang, Liwei Fu, Na Li, Jiao Bai, Junichi Sakai, Liyan Wang, Wanxia Tang, Toshiaki Hasegawa, Hirotsugu Ogura, Takao Kataoka, Seiko Oka, Miwa Kiuch, Katutoshi Hirose, and Masayoshi Ando
Structure      13C NMR   ???????
10 .     23-nor-24-esomethylene-3??,6??,19??-trihydroxyurs-12-en-28-oic acid
C29H46O6     ?????:62.0%
Journal of Natural Products          1990          Vol 53          559
New Polyhydroxylated Triterpenes from Uncaria tomentosa
R. Aquino, F. De Simone, F. F. Vincieri, C. Pizza, E. Gaćs-Baitz
Structure      13C NMR   ???????
11 .     compound 5e
C31H55N1O3     ?????:62.0%
Bioorganic & Medicinal Chemistry          2014          22          3838-3849
Synthesis and cholinesterase inhibition of cativic acid derivatives
Natalia P. Alza, Victoria Richmond, Carlos J. Baier, Eleonora Freire, Ricardo Baggio, Ana Paula Murray
Structure      13C NMR   ???????
12 .     ursolic acid
    ?????:61.5%
Food Chemistry          2011          124          468-475
Analysis of the anti-inflammatory properties of Rosmarinus officinalis L. in mice
Juc??lia Pizzetti Beninc??, Juliana Bastos Dalmarco, Moacir Geraldo Pizzolatti, Tania Silvia Fröde
Structure      13C NMR   ???????
13 .     ursolic acid
    ?????:60.7%
Phytochemistry          1992          31          3909-3914
Triterpenoids from plants of the sanguisorbeae
Gesa Reher, Miloš Bud??š??nsky
Structure      13C NMR   ???????
14 .     dihydroxylycopaene
C40H60O2     ?????:60%
Phytochemistry          1997          44          671-678
Four polymethylsqualene epoxides and one acyclic tetraterpene epoxide from Botryococcus braunii
V. Delahais, P. Metzger
Structure      13C NMR   ???????
15 .     (20R,22R)-2??,3??,20,22-Tetrahydroxy-5??,8??-cholestan-6-one
C27H48O5     ?????:60%
Steroids          2011          76          603-606
Synthesis of 7,8-dihydro-14-deoxyecdysteroids
Rimma G. Savchenko, Yana R. Urasaeva, Ilgiz V. Galyautdinov, Svetlana R. Afonkina,Leonard M. Khalilov, Fedor M. Dolgushin, Victor N. Odinokov
Structure      13C NMR   ???????
16 .     Ximaosteroid A
C27H40O2     ?????:59.2%
Steroids          2009          74          1061-1065
Ximaosteroids A?CD, new steroids from the Hainan soft coral Scleronephthya sp.
Xiao-Hong Yan, Hai-Li Liu, Yue-Wei Guo
Structure      13C NMR   ???????
17 .     Cholest-5-ene-1??,3??,21-triol,3,21-disulfate
C27H44O9S2Na2     ?????:59.2%
Journal of Natural Products          1994          Vol 57          1591
Inhibitors of Protein Tyrosine Kinase pp60v-src: Sterol Sulfates from the Brittle Star Ophiarachna incrassata
Xiong Fu, Francis J. Schmitz, Rita H. Lee, Jacqueline S. Papkoff, Doris L. Slate
Structure      13C NMR   ???????
18 .     lycochinine B
C27H47N3     ?????:59.2%
Tetrahedron Letters          2009          50          4816-4819
Lycochinines A?CC, novel C27N3 alkaloids from Lycopodium chinense
Yusuke Hirasawa, Tomoyuki Tanaka, Koichiro Koyama, Hiroshi Morita
Structure      13C NMR   ???????
19 .     compound 36
    ?????:59.2%
European Journal of Organic Chemistry          2011                   3036-3049
Bromination of Tocopherols: Oxidative Halogenations and Rearrangements
Stefan Böhmdorfer, Anjan Patel, Andreas Hofinger, Thomas Netscher, Lars Gille and Thomas Rosenau
Structure      13C NMR   ???????
20 .     (??)-(1R*,9S*,10R*,11S*)-and (??)-(1R*,9R*,10S*,11R*)-10-hydroxy-12-methyl-1-nitrobicyclo[7.3.1]tridecan-13-one
    ?????:59.2%
European Journal of Organic Chemistry          2011                   2101-2110
A General, Diastereoselective Synthesis of Highly Functionalized Bicyclo[n.3.1]alkane Systems Based on an Anionic Domino Reaction of -Nitrocycloalkanones
Giorgio Giorgi, Sonia Miranda, Miriam Ruiz, Jean Rodriguez, Pilar L??pez-Alvarado and J. Carlos Men??ndez
Structure      13C NMR   ???????
21 .     4??,7??-dihydroxycholesterol(3??,4??,7??-trihydroxy-5-cholestene)
C27H46O3     ?????:59.2%
Tetrahedron          2012          68          6485-6491
Oxidation with selenium dioxide: the first report of solvent-selective steroidal aromatization, efficient access to 4??,7??-dihydroxy steroids, and syntheses of natural diaromatic ergosterols
Pranab Ghosh, Jayanta Das, Antara Sarkar, Seik Weng Ng, Edward R.T. Tiekink
Structure      13C NMR   ???????
22 .     urs-2??,3,19,23-tetrahydroxy-12-en-28-oic acid
C30H48O6     ?????:59.2%
Chinese Journal of Pharmaceuticals          2007          38          221-226
Two New Compounds from Picrorhiza scrophulariiflora
XIE Zhi-yong, HU Hong-xia, KONG De-yun, YANG Pei-ming
Structure      13C NMR   ???????
23 .     (22R)-22-Azidocholest-5-en-3??-yl benzoate
C27H45N3O     ?????:59.2%
Organic Magnetic Resonance          1977          9          439-464
13C n.m.r. spectra of steroids ??a survey and commentary
J. W. Blunt and J. B. Stothers
Structure      13C NMR   ???????
24 .     compound 3d
C29H51N1O3     ?????:59.2%
Bioorganic & Medicinal Chemistry          2014          22          3838-3849
Synthesis and cholinesterase inhibition of cativic acid derivatives
Natalia P. Alza, Victoria Richmond, Carlos J. Baier, Eleonora Freire, Ricardo Baggio, Ana Paula Murray
Structure      13C NMR   ???????
25 .     compound 5c
C29H51N1O3     ?????:59.2%
Bioorganic & Medicinal Chemistry          2014          22          3838-3849
Synthesis and cholinesterase inhibition of cativic acid derivatives
Natalia P. Alza, Victoria Richmond, Carlos J. Baier, Eleonora Freire, Ricardo Baggio, Ana Paula Murray
Structure      13C NMR   ???????
26 .     Cholest-5-ene-3??,7??-diol
    ?????:59.2%
Zeitschrift f??r Naturforschung C          1995          50          257-262
Plant Disease Resistance Inducing Activity of 7-Oxo- and 7-Hydroxysterols
H. Schabdach, S. Johne, U. Steiner and K. Seifert
Structure      13C NMR   ???????
27 .     3??, 19??-dihydroxy-30-norurs-12-ene
C29H48O2     ?????:58.6%
Fitoterapia          2001          72          382-385
Ursene type nortriterpene from Debregeasia salicifolia
Erum Akbar, Muhammad Riaz, Abdul Malik
Structure      13C NMR   ???????
28 .     2-oxo-3??,19??-dihydroxy-24-nor-urs-12-en-28-oic acid
C29H44O5     ?????:58.6%
Tetrahedron          2006          62          5519-5526
Novel 24-nor-, 24-nor-2, 3-seco-, and 3, 24-dinor-2, 4-seco-ursane triterpenes from Diospyros decandra: evidences for ring A biosynthetic transformations
Parichat Nareeboon, Wolfgang Kraus, Uwe Beifuss, Juergen Conrad, Iris Klaiber, Somyote Sutthivaiyakit
Structure      13C NMR   ???????
29 .     2??,3??,19??-trihydroxyurs-12-en-28-oic acid
    ?????:58.6%
Journal of the Chinese Chemical Society          1995          42          573-577
Chemical Constituents from the Root and Aerial Parts of Rosa taiwanensis
????(Shen-Chyun Yang);??????(Jim-Min Fang);?????(Yu-Shia Cheng)
Structure      13C NMR   ???????
30 .     ursolic acid
C30H46O3     ?????:58.3%
Chemical & Pharmaceutical Bulletin          1993          41          1238-1243
Two New 2-Arylbenzofuran Derivatives from Hypoglycemic Activity-Bearing Fractions of Morus insignis
Purusotam BASNET,Shigetoshi KADOTA,Satoshi TERASHIMA,Mineo SHIMIZU and Tsuneo NAMBA
Structure      13C NMR   ???????
31 .     7??-hydroxycholesterol
C27H46O2     ?????:58.3%
Steroids          2005          70          907-912
Synthesis and antifungal activity of oxygenated cholesterol derivatives
Jean Michel Brunel, C??line Loncle, Nicolas Vidal, Michel Dherbomez, Yves Letourneux
Structure      13C NMR   ???????
32 .     (20R)-3??,20-Dihydroxy-5??-pregnane-19-nitrile
C21H33NO2     ?????:58.3%
Steroids          2006          71          120-128
Syntheses of 19-[O-(carboxymethyl)oxime] haptens of epipregnanolone and pregnanolone
Ivan Černy, Vladim??r Pouzar, Martin Hill, Helena Havl??kov??, Richard Hampl
Structure      13C NMR   ???????
33 .     compound 1d
    ?????:58.3%
Natural Product Research          2000          14          447-452
(-)-Ledol from Calophyllum teysmanii: Structure and Stereochemistry
Shu-Geng Cao; Keng-Yeow Sim; S. H. Goh
Structure      13C NMR   ???????
34 .     5-methyl-5-(4,8,12-trimethyl-tridecyl)-dihydro-furan-2-one
C21H40O2     ?????:58.3%
Natural Product Research          2004          18          15-19
Diterpene derivative and chromone from Hypericum Perforatum
Ming De Shan; Tian Ying An; Li Hong Hu; Zhong Liang Chen
Structure      13C NMR   ???????
35 .     monoacetate derivative of dihydroxylycopaene
C42H82O3     ?????:58.3%
Phytochemistry          1997          44          671-678
Four polymethylsqualene epoxides and one acyclic tetraterpene epoxide from Botryococcus braunii
V. Delahais, P. Metzger
Structure      13C NMR   ???????
36 .     phytenal
    ?????:58.3%
Chinese Traditional and Herbal Drugs          2009          40          1198-1201
Chemical constituents of Lobelia chinensis
DENG Ke-zhong; XIONG Ying; GAO Wen-yuan
Structure      13C NMR   ???????
37 .     (-)-(1R,4aR,4bR,8aR,10aR)-7,7-ethylenedioxy-1,2,4b,8,8,10a-hexamethyl-1,4,4a,4b,5,6,7,8,8a,9,10,10a-dodecahydrophenanthren-1-ol
C22H36O2     ?????:58.3%
Tetrahedron          2006          62          39-48
Synthesis and absolute configuration of brevione B, an allelochemical isolated from Penicillium sp.
Hirosato Takikawa, Yusuke Imamura, Mitsuru Sasaki
Structure      13C NMR   ???????
38 .     (-)-(1R,4aR,4bR,8aR,10aR)-7,7-ethylenedioxy-1,2,4b,8,8,10a-hexamethyl-1,4,4a,4b,5,6,7,8,8a,9,10,10a-dodecahydrophenanthren-1-ol
C22H36O2     ?????:58.3%
Tetrahedron          2006          62          39-48
Synthesis and absolute configuration of brevione B, an allelochemical isolated from Penicillium sp.
Hirosato Takikawa, Yusuke Imamura, Mitsuru Sasaki
Structure      13C NMR   ???????
39 .     compound 81
C22H34OS2     ?????:58.3%
Tetrahedron          2013          69          5685-5701
Total synthesis of taxane terpenes: cyclase phase
Yoshihiro Ishihara, Abraham Mendoza, Phil S. Baran
Structure      13C NMR   ???????
40 .     (E)-2-((2R,4R)-2-allyl-4-(tert-butyl)-2-methylcyclohexylidene)-N-((1S,2S,3S,5R)-2,6,6-trimethylbicyclo[3.1.1]heptan-3yl)hydrazine-1-carboxamide
C25H43N3O     ?????:58.3%
Tetrahedron          2014          70          4208-4212
Palladium-catalyzed decarboxylative allylic alkylation of diastereomeric ??-ketoesters
Sandy Ma, Corey M. Reeves, Robert A. Craig II, Brian M. Stoltz
Structure      13C NMR   ???????
41 .     Ent-7-Hydroxykaur-15,16-en-19-oic acid
C20H30O3     ?????:58.3%
Records of Natural Products          2013          7          355-358
Antibacterial and Cytotoxic Activities of Diterpenoids Isolated from Indian Plectranthus coesta
Shobha Waldia, Nagendra Kaushik, Akhilesh K. Verma, Bipin C. Joshi, Uma Pathak 1 and Mukesh C. Joshi
Structure      13C NMR   ???????
42 .     tormentic acid
C30H48O5     ?????:57.6%
Chemical & Pharmaceutical Bulletin          1993          41          2007-2009
Constituents of Prunus zippeliana Leaves and Branches
Junichi KITAJIMA and Yasuko TANAKA
Structure      13C NMR   ???????
43 .     compound 3c
C28H49N1O3     ?????:57.6%
Bioorganic & Medicinal Chemistry          2014          22          3838-3849
Synthesis and cholinesterase inhibition of cativic acid derivatives
Natalia P. Alza, Victoria Richmond, Carlos J. Baier, Eleonora Freire, Ricardo Baggio, Ana Paula Murray
Structure      13C NMR   ???????
44 .     compound 5b
C28H49N1O3     ?????:57.6%
Bioorganic & Medicinal Chemistry          2014          22          3838-3849
Synthesis and cholinesterase inhibition of cativic acid derivatives
Natalia P. Alza, Victoria Richmond, Carlos J. Baier, Eleonora Freire, Ricardo Baggio, Ana Paula Murray
Structure      13C NMR   ???????
45 .     rotundic acid
    ?????:57.1%
Journal of Natural Products          1999          62          1379-1384
Activity of Triterpenoid Glycosides from the Root Bark of Mussaenda macrophylla against Two Oral Pathogens
Nam-Cheol Kim, Anne E. Desjardins, Christine D. Wu, and A. Douglas Kinghorn
Structure      13C NMR   ???????
46 .     obtusalin
    ?????:57.1%
China Journal of Chinese Materia Medica          2010          35          315-322
Terpenoids of Heteroplexis micocephala and their bioactivities
FAN Xiaona; LIN Sheng; ZHU Chenggen; HU Jinfeng; LIU Yang; CHEN Xiaoguang; CHEN Naihong; WANG Wenjie; SHI Jiangong
Structure      13C NMR   ???????
脚踏实地,奋力一搏,月宫折桂
2楼2014-11-29 23:05:27
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
相关版块跳转 我要订阅楼主 丢失的小骨头 的主题更新
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 求调剂22408 288分 +4 new382 2026-04-02 4/200 2026-04-02 16:07 by 氮气气气
[考研] 调剂 +3 好好读书。 2026-04-01 6/300 2026-04-02 15:49 by liumengping
[考研] 0832食品科学与工程学硕282调剂 +4 鱼在水中游a 2026-04-02 7/350 2026-04-02 14:12 by baoball
[考研] 计算机265跨调环境 +5 Yumeng_6 2026-03-27 5/250 2026-04-02 10:54 by guanxin1001
[考研] 385分 生物学(071000)求调剂 +6 qf626 2026-04-01 6/300 2026-04-02 10:39 by guoweigw
[考研] 一志愿北交大材料工程,总分358 +4 cs0106 2026-04-01 4/200 2026-04-02 07:42 by 尚水阁主
[考研] 302求调剂一志愿北航070300,本科郑大化学 +8 圣日耳曼条 2026-04-01 11/550 2026-04-02 07:40 by chemdavid
[考研] 303分 0807学硕求调剂 +3 TYC3632 2026-04-01 3/150 2026-04-01 19:24 by lwk2004
[考研] 349求调剂 +6 吃的不少 2026-04-01 6/300 2026-04-01 17:55 by JYD2011
[考研] 材料调剂 +11 一样YWY 2026-03-31 11/550 2026-04-01 11:35 by wangjy2002
[考研] 309分085801求调剂 +7 学员Gtwj7W 2026-03-31 7/350 2026-04-01 02:36 by BruceLiu320
[考研] 一志愿a区211,085601-307分求调剂 +10 党嘉豪 2026-03-31 23/1150 2026-03-31 18:44 by JourneyLucky
[考研] 085404 22408 315分 +5 zhuangyan123 2026-03-31 6/300 2026-03-31 13:48 by limeifeng
[考研] 293分求调剂,外语为俄语 +5 加一一九 2026-03-31 5/250 2026-03-31 09:39 by zhshch
[考研] 085701环境工程求调剂 +11 多久上课 2026-03-27 12/600 2026-03-30 21:21 by 研究僧导导
[考研] 297 地理学070500 复试求调剂 +3 小圆圈圈ooo 2026-03-30 3/150 2026-03-30 21:05 by 余震yz
[考研] 085701求调剂初试286分 +5 secret0328 2026-03-28 5/250 2026-03-30 12:54 by fangnagu
[考研] 356求调剂 +4 gysy?s?a 2026-03-28 4/200 2026-03-29 10:32 by 唐沐儿
[考研] 求佛 +7 迷人的哈哈 2026-03-28 7/350 2026-03-28 16:47 by 催化大白
[考研] 265求调剂 +8 小木虫085600 2026-03-27 8/400 2026-03-27 22:16 by 无际的草原
信息提示
请填处理意见