| 查看: 380 | 回复: 1 | |||
[求助]
维普求助，谢谢喔！ 已有1人参与
|
|
21-J 13C NMR (126 MHz, DMSO) δ 55.80, 67.80, 102.57, 111.25, 114.46, 114.68, 115.77, 124.32, 125.59, 128.21, 129.57, 136.27, 147.75, 148.58, 162.60, 164.71 , 179.75. |
回复此楼» 猜你喜欢
感觉是下周放榜了
已经有8人回复
-
filecode=后面第一个是大写字母
已经有10人回复
-
欢迎发来filecode的Mz6后的代码验证其规律
已经有81人回复
-
时间戳变了，能看出什么问题？
已经有4人回复
-
哪位老哥知道今年的国自然具体哪一天放榜？
已经有15人回复
-
今天系统多次维护，明天很可能放榜！
已经有9人回复
-
时间戳又变了8-15
已经有25人回复
-
2027广东省杰青
已经有6人回复
-
快农历七夕节了，轻松一下，男人悄悄话，女施主请不要进来。
已经有3人回复
-
咱们一起用铁证分析2026国家社科基金中标与否
已经有26人回复
» 本主题相关价值贴推荐，对您同样有帮助:
- 维普求助，谢谢喔！
已经有3人回复
- 维普求助！谢谢~
已经有3人回复
- 急需维普碳谱检索，急用！谢谢大家帮忙
已经有5人回复
- 求助两个化合物的维普C谱数据~~~~谢谢了~~~~~
已经有3人回复
yangyinhe
至尊木虫 (著名写手)
- 应助: 1566 (讲师)
- 金币: 15048.4
- 红花: 21
- 帖子: 2773
- 在线: 261.2小时
- 虫号: 942922
- 注册: 2010-01-15
- 性别: MM
- 专业: 天然有机化学
【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与，应助指数 +1
Smiling920(卓越_先锋代发): 金币+10 2015-05-21 19:31:07
感谢参与，应助指数 +1
Smiling920(卓越_先锋代发): 金币+10 2015-05-21 19:31:07
|
. compound 2 C16H12O5 ?????:76.4% Chemical & Pharmaceutical Bulletin 1986 34 2506-2511 3-Benzylchroman Derivatives Related to Brazilin from Sappan Lignum TAMOTSU SAITOH,SHIGEMI SAKASHITA,HIROYUKI NAKATA,TAKASHI SHIMOKAWA,JUN-EI KINJO,JOHJI YAMAHARA,MASAKI YAMASAKI and TOSHIHIRO NOHARA Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 2 . bonducellin ?????:70.5% Chemical & Pharmaceutical Bulletin 2007 55(4) 655-657 Flavonol Galactoside Caffeiate Ester and Homoisoflavones from Caesalpinia millettii HOOK. et ARN. Ping CHEN and Jun-Shan YANG Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 3 . (E)-7-hydroxy-3-(4'-methoxybenzylidene)chroman-4-one (bonducellin) ?????:70.5% Chemical & Pharmaceutical Bulletin 2006 54(8) 1193-1195 Two New Homoisoflavonoids from Caesalpinia pulcherrima Muchchintala MAHESWARA, Vidavalur SIDDAIAH, and Chunduri VENKATA RAO Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 4 . bonducellin ?????:70.5% Chinese Journal of Natural Medicines 2008 6 168-171 Chemical Constituents from the Stem of Caesalpinia decapetala ZHANG Qiong; LIU Xue-Ting; LIANG Jing-Yu; MIN Zhi-Da Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 5 . 7-Hydroxy-(E)-3-[(3-methoxyphenyl)methylene]chroman-4-one C17H14O4 ?????:70.5% European Journal of Medicinal Chemistry 2013 66 499-507 7-Hydroxy-(E)-3-phenylmethylene-chroman-4-one analogues as efflux pump inhibitors against Mycobacterium smegmatis mc2 155 Somendu K. Roy, Neela Kumari, Shiv Gupta, Sonika Pahwa, Hemraj Nandanwar, Sanjay M. Jachak Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 6 . (E)-2-(2-benzo[d][1,3]dioxol-5-yl)vinyl)-5-(4-methoxyphenyl)-1,3,4-oxadiazole C19H12N2O4 ?????:70.5% Medicinal Chemistry Research 2014 23 2080−2092 Synthesis, biological evaluation, and molecular modeling of (E)-2-aryl-5-styryl-1,3,4-oxadiazole derivatives as acetylcholine esterase inhibitors Ahmed Kamal, Anver Basha Shaik, G. Narender Reddy, C. Ganesh Kumar, Joveeta Joseph, G. Bharath Kumar, Uppula Purushotham, G. Narahari Sastry Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 7 . (E)-7-methoxy-3-(4'-methoxybenzylidene)chroman-4-one C18H16O4 ?????:66.6% Chemical & Pharmaceutical Bulletin 2006 54(8) 1193-1195 Two New Homoisoflavonoids from Caesalpinia pulcherrima Muchchintala MAHESWARA, Vidavalur SIDDAIAH, and Chunduri VENKATA RAO Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 8 . calycosin C16H12O5 ?????:64.7% Chemistry of Natural Compounds 2008 44 712-714 MINOR POLYPHENOLS FROM Maackia amurensis WOOD N. I. Kulesh, N. A. Vasilevskaya, M. V. Veselova,V. A. Denisenko, and S. A. Fedoreev Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 9 . (E)-3-(3,4-Dihydroxybenzylidene)-7-hydroxychroman-4-one C16H12O5 ?????:64.7% Journal of Chinese Pharmaceutical Sciences 2008 17 82-86 Chemical constituents from Sappan Lignum Yu-Ping Chen; Lei Liu; Yu-Hong Zhou; Jing Wen; Yong Jiang and Peng-Fei Tu Structure 13C NMR Structure & 13C NMR ??????? -------------------------------------------------------------------------------- 10 . geraldol C16H12O6 ?????:64.7% Journal of the Chinese Chemical Society 1998 45 213-217 Chemical Constituents from Mucuna membranacea ?????(Yun-Lian Lin);??S??(Wei-Jern Tsai);????N(Ih-Sheng Chen);??????(Yueh-Hsiung Kuo) Structure 13C NMR Structure & 13C NMR ??????? |
2楼2015-05-11 08:57:31
