您要查找的是不是:
- Use of zirconic acid esters as catalysts to prepare butyl chloroacetate and benzyl chloroacetate is studied, the yields of reactions are more than 90%. 介绍使用锆酸酯为催化剂,制备氯乙酸丁酯、氯乙酸苄酯的实验,讨论了影响反应的因素,该催化反应过程氯乙酸酯的收率为90%25以上。
- The conversion ratioes of chloroacetic acid in the syntheses of butyl chloroacetate and ethyl chloroacetate are 98. 8% and 83. 6% respectively. 合成氯乙酸乙酯时;其氯乙酸转化率为83.;6%25。
- Keywords n butyl chloroacetate;synthesis;sodium bisulfate;catalysis; 氯乙酸正丁酯;合成;硫酸氢钠;催化;
- butyl chloroacetate 氯乙酸丁酯
- The compound butyl rubber is calendered. 将混制成的丁基橡胶进行精压。
- Twelve kinds of chloroacetate were prepared. 制备了十二种氯乙酸酯。
- To bring a butyl group into(a compound). 丁基化将丁基组引入(某化合物)
- Possess of unique butyl quantity alarm system. 特有胶量报警系统。
- Reasonable butyl spreading system and low pressure. 出胶系统合理,压力低。
- The yield of methyl chloroacetate amounts to 72. 3% w... 采用动态法合成氯乙酸甲酯;产率可进一步达到72.;3%25;产品质量合格。
- Ethyl acetate,n butyl acetate,n amyl acetate,n heptyl acetate,benzyl acetate,ethyl hexanoate,isopropyl chloroacetate and 2 ethylhexyl acrylate were synthesized using modified gnarl catalyst. 以改性片麻岩为催化剂合成了醋酸乙酯、醋酸丁酯、醋酸戊酯、醋酸庚酯、醋酸苄醇酯、己酸乙酯、氯乙酸异丙酯和丙烯酸2乙基己醇酯,其收率都在90%25以上。
- Method We measured SCHE by Butyl Cholinesterase Sulfide method. 方法利用硫代丁酰胆碱法检测血清胆碱酯酶。
- Kerosene and butyl xanthate were used as collectors in bulk flotation. 混合浮选采用煤油加丁基黄药作为捕收剂。
- An ampoule of amyl nitrite or butyl nitrite used as a stimulant drug. 玻璃瓶用作兴奋剂的亚硝酸戊酯或亚硝酸丁酯的小玻璃药水瓶
- Uses: Performance: anti-corrosion properties see right Ethylparaben, and butyl. 用途: 性能:防腐性能参见对尼泊金乙酯和丁酯。
- In toluene,the enantio-selective rate E for CRL-catalyzed interesterification of(R,S)-2-octanol with ethyl chloroacetate is fairly high(E=92.2). 在甲苯中;CRL催化氯乙酸乙酯与(R;S)-2-辛醇酯交换反应的对映体选择率E颇高(E=92.;2);
- Isopropyl chloroacetate is synthesized through esterification catalyzed by ferric chloride. 以氯乙酸和异丙醇为原料、三氯化铁为催化剂,合成了氯乙酸异丙酯。
- Ethyl tert butyl ether is synthesized from ethanol and tert butyl alcohol by reaction distillation. 以乙醇和叔丁醇为反应物,采用反应精馏法合成了乙基叔丁基醚。
- Quaternary ammonium salt of chitosan was synthesized starting from chitosan, triethylamine and ethyl chloroacetate by ester exchange reaction. 以三乙胺、氯乙酸乙酯和壳聚糖等为原料,采用酯交换法合成了壳聚糖季铵盐。
- Aceclofenac was synthesized in 82% overall yield from sodium diclofenac and t-butyl chloroacetate viaesterification and hydrolysis. 双氯芬酸钠与氯乙酸叔丁酯经酯化、水解反应制得非甾体抗炎药醋氯芬酸,收率82%25。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries