结果分析中...
检索条件:"关键词=synthesis "
条 记 录,以下是1-10
|
视图:
排序:
期刊氯化亚锡催化合成乙酸丁酯的研究被引量:10
《吉林师范大学学报:自然科学版》2004年第2期87-88,共2页任玉荣 贾树勇 于庆勇 侴晓玉 
以氯化亚锡为催化剂合成了乙酸丁酯,确定了酯化反应最佳条件.实验结果表明,当冰乙酸用量为0.1mol,丁醇用量为0.2mol,氯化亚锡用量为1.0g,回流时间为1.5h,酯化率可达92.7%.
关键词:氯化亚锡 催化 合成 乙酸丁酯 食用香料 
期刊synthesis of zeolite EMT and its application in alkylation of isobutane with butenes
《RECENT ADVANCES IN THE SCIENCE AND TECHNOLOGY OF ZEOLITES AND RELATED MATERIALS, PTS A - C》Luo, Y;Sun, J;Kong, L;Li, Q
关键词:synthesis  auxiliary agent  surfactant  Na3PO4  catalysis 
期刊EUROPEAN POLYMER JOURNAL; EUR POLYM J; Eur. Polym. J.; EUR POLYM J; EUR POLYM J; synthesis and optical properties of fluorene and p-phenylenevinylene
《EUROPEAN POLYMER JOURNAL》Xia, AY;Yuan, ZL;Tan, ST;Zou, YP;Tan, ZN;Yang, Y;Li, YF
关键词:synthesis  fluorene  p-phenylenevinylene  copolymers  optical properties 
期刊Convergent synthesis of polyamide dendrimer using a continuous flow microreactor
《Chemical Engineering Journal》Shuhong Liu, Chih-hung Chang, Brian K. Paul , Vincent T. Remcho
Dendrimers are nanoscale macromolecules that have highly branched, core-shell structures. Higher generation dendrimers have close-packed peripheral functional groups and a hollow interior. The chemistry of the core an...显示全部
关键词:synthesis  Polyamide dendrimer  Microreactor  Reaction kinetics study 
期刊Novel high-affinity steroidal estrogenic ligands: synthesis and receptor binding of 11β-vinyl-17α-E/Z-phenylselenovinyl estradiols
《Steroids》Hanson, Robert N.; Napolitano, Elio; Fiaschi, Rita
Previous studies from our laboratory demonstrated separately the tolerance of the estrogen receptor for the 17α-phenylselenovinyl substituent and the enhancement of affinity imparted by the 11β-vinyl...显示全部
关键词:synthesis  evaluations  estradiol phenylselenovinyl 
期刊Microwave-assisted addition of azomethines to isatoic anhydride
《Journal of Chemical Sciences》E J Dominic;Mathew Lopez;Baby Thomas
Diels-Alder addition of azomethines to isatoic anhydride in a solvent-free and eco-friendly condition is investigated using a microwave oven. The product is exclusively 2,3-diaryl-2,3-dihydroquinazolin-4(1H)-ones 4a-d...显示全部
关键词:Microwave-assisted additions solvent-free reaction synthesis dihydroquinazolinones AM1 calculations 
期刊Thermal decomposition of 1,3,3-trinitroazetidine in the gas phase, solution, and melt
《Russian Chemical Bulletin》V. V. Nedel’ko;B. L. Korsunskii;N. N. Makhova;N. V. Chukanov;T. S. Larikova;I. V. Ovchinnikov;V. A. Tartakovsky
1,3,3-Trinitroazetidine (TNAZ) was synthesized using the alternative approach based on the transformation of 3-oximino-1-(p-toluenesulfonyl)azetidine in the reaction with nitric acid through intermediate pseudonitrol....显示全部
关键词:1 3 3-trinitroazetidine synthesis thermal decomposition thermogravimetry IR spectroscopy mass spectrometry kinetics volumetry 
期刊New octahydroquinazoline derivatives: synthesis and hypotensive activity
《European Journal of Medicinal Chemistry》O.I. El-Sabbagh[a], Mohamed A. Shabaan[b], Hanan H. Kadry[b] and Ehab Saad Al-Din[c]
Several novel 1-(4-chlorophenyl)-7,7-dimethyl-1,2,3,4,5,6,7,8-octahydro-5-oxo-3-(substitutedphenyl)quinazoline derivatives (2–21) structurally similar to prazosin, were prepared using Mannich reaction of 3-(4-chlorop...显示全部
关键词:synthesis  Octahydroquinazoline derivatives  Hypotensive activity 
期刊Polyglyceryl amines as surfactants I: Symmetrical polyglyceryl amines and aqueous solution properties
《Journal of Surfactants and Detergents》Nicolas Noiret;Yvan Rivaux;Pascal Brochette;Lionel Algarra;Henri Patin
The synthesis and aqueous micellar properties of three series of homologous symmetrical polyglyceryl alkyl amines are described. They are synthesized from nucleophilic opening of the appropriate oxirane in nearly quan...显示全部
关键词:Micellization polyglyceryl amines polyol surfactants surface properties synthesis 
期刊Synthese und Charakterisierung von langkettigen Alkylsilylphosphonaten und Alkylsilylphosphiten
《Journal of Organometallic Chemistry》A. M. Ahmed Aisa[a][b];S. Enke[a];H. Richter[a][b]
LiCH2P(O)(OMe)2 (2), prepared by reaction of n-BuLi with (MeO)2(O)PMe (1) in THF/n-Hexan (?78°C), reacts with alkylchlorosilanes (3–6) to give dimethylalkylsilylmethanphosphonicaciddimethylester (7,8) [RMe2Si]yC...显示全部
关键词:synthesis  Long chain alkylchlorosilanes  Alkylsilylphosphonates  Alkylsilylphosphites  1H-  13C-  29Si- and 31P-NMR 
共2,725页<12345678910
聚类工具

北京电子科技职业学院特色库 版权所有 ©2018