1)  cyclocondensation
缩合关环
1.
N-methyl-2-(4-acetophenone)-5-nitrobenzimidazole as an important intermediate of a new drug was prepared by the cyclocondensation with 1-Nmethyl-4 rutro-1-,2-diarninobensene and 4-acetobenzoic acid.
通过１－Ｎ－甲基－４－硝基－１，２－苯二胺和４－乙酰基苯甲酸之间的缩合关环反应成功地合成了这一产物，借助ＩＲ、￣１ＨＮＭＲ、ＭＳ等分析方法证实了其结构。
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
补充资料：达秦斯环氧酸醋缩合(Darzensglycidicestercondensation)
【达秦斯环氧酸醋缩合】(Darzensglycidicestercondensation)醛或酮类和`\alpha`-卤代酸酯在碱缩合剂（`C_2H_5ONa`、`NaNH_2`、金属钠粉末或叔丁醇钾）存在下反应得环氧酸酯（即缩水甘油酸酯）。后者经皂化成相应的环氧酸，再经酸催化脱羧重排生成醛酮的反应。由达秦斯首创。例如：由苯乙酮和氯乙酸乙醋合成3-苯基-2，3-环氧丁酸乙酯及2-苯基丙醛。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。