1) coupling efficiency
缩合效率
1.
Some factors that affect the coupling efficiency have been discussed and related methods to overcome those obstacles have been introduced in present review.
本文综述了影响多肽缩合效率的因素以及提高“困难序列”缩合效率的有效方法。
2) condensation reaction
缩合
1.
A monomer of polyimide 2,2′-bis[4-(3-aminophenoxy)phenyl]propane was prepared from m-dinitrobenzene and bisphenol A through condensation reaction and hydrazine hydrate reduction with an overall yield of 85.
提出了以间二硝基苯和双酚A为原料经缩合和水合肼催化还原合成聚酰亚胺的单体2,2′-双[4-(3-氨基苯氧基)苯基]丙烷的新工艺,考察了各类工艺条件对目标产物收率的影响,得到最适宜反应条件,在优化条件下,总收率为85。
2.
This paper researched the condensation reaction of 2-metylbenzimidazole and 2-methylbenzothio-zole with aromatic aldehyde in acetic anhydride to form 2-(benzimidazol-2-yl)-1-aryl-ethylene derivatives or 2-(benzothiozol-2-yl)-1-aryl-ethylene derivatives.
本文研究了2-甲基苯并咪唑和2-甲基苯并噻唑衍生物,在乙酸酐中与芳香醛缩合形成2-(2-苯并咪唑基)-1-芳基乙烯类或2-(2-苯并噻唑基)-1-芳基乙烯类化合物。
3.
The experiments show that the condensation reaction doesn't take place without ultrasonic irradiation, otherwise with ultrasonic irriation the reaction not phly occurs in ordinary condition but also good result was obtained.
本文采用超声辐射法合成了N—苯基间氯苯胺,考察了反应条件对缩合反应的影响。
3) condensation
缩合
1.
The application of 1,3-dicyclohexylcarbodiimide(DCC) used as condensation agent in organic synthesis;
缩合剂1,3-二环己基碳二亚胺(DCC)在有机合成中的应用
2.
Condensation of Benzaldehyde and Methanol Catalyzed by Niobic Acid;
铌酸催化的苯甲醛与甲醇缩合反应
3.
Effect of solvent on diazinon condensation;
溶剂对二嗪磷缩合过程的影响
4) shrink synthesis
缩合
5) condensation
缩合反应
1.
Studies on the Condensation Reaction of α,α-Diacetyl Ketene Dithioacetals with Arylaldehydes;
α,α-二乙酰基二硫缩烯酮和芳醛的缩合反应研究
2.
Self-condensation of n-Butyraldehyde Catalyzed by Solid Base Prepared with Microwave Irradiation;
微波法制备的固体碱催化丁醛自缩合反应
3.
A study on condensation reaction of cyclohexanone catalyzed by dealuminated USY;
脱铝超稳Y催化环己酮缩合反应的研究
6) Claisen condensation
Claisen酯缩合
1.
Sodium diethyl oxalacetate was prepared by Claisen condensation of diethyl oxalate with ethyl acetate.
以乙酸乙酯和草酸二乙酯为原料,经交叉Claisen酯缩合反应合成2-氧代丁二酸二乙酯钠盐,用此盐与苯肼在酸性条件下进行加成缩合反应制得苯腙,再经闭环、酸化可制得1-苯基-3-羧酸乙酯-5-吡唑啉酮。
2.
Sodium diethyl oxalacetate was prepared by Claisen condensation with acetic and oxalic acid esters.
以乙酸乙酯和草酸二乙酯为原料 ,经交叉Claisen酯缩合反应合成钠代草酰乙酸乙酯 。
参考词条
缩合鞣质
Friedlander缩合
热缩合
偶姻缩合
缩合物
羟醛缩合
Knoevenagel-Doebner缩合
aldol缩合
缩合单宁
Claisen缩合
缩合聚合
Dieckmann缩合
Darzens缩合
Biginelli缩合
乳液缩合
醇醛缩合
Schiff碱缩合
钢弦立筋增强石膏板墙
补充资料:配置效率和生产效率
在经济学上,经济发展的动力,或者说效率的来源,分为两类:一类是配置效率,二是生产效率。所谓配置效率,是指给定资源和技术的条件下,怎么样使资源从边际生产率低的地方流向边际生产率高的地方,从而使得资源和利用更合理、社会总价值达到最大;而生产效率是指如何通过技术进步提高每一种资源的生产率,也就是把社会的生产可行性边界向外移。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。