Successive Variation Pattern of Ester Homologous Series in Their Physical Properties of Condensation 酯类同系物凝聚型物理性质递变规律研究
Maltitol stearic acid ester was synthesized by condensation of maltitol with stearoyl chloride in the presence of the catalyst and with acetic acid as solvent. 以麦芽糖醇、硬脂酰氯为主要原料,在催化剂存在下,在醋酸溶剂中缩合成麦芽糖醇硬脂酸酯。
Polyethylene Glycols Used as Phase Transfer Catalyst for Darzens Glycidic Ester Condensation 聚乙二醇相转移催化作用下Darzens酯缩合异硫氰基乙酸乙酯的合成
Catalytic Darzens glycidic ester condensation in crown ether and mixed solvent system 混合溶剂中冠醚催化作用的Darzens酯缩合
Crossed ester condensation reaction: Starting from methyl 4-trifluoromethyl benzoate and methyl methoxyacetate, β-carbonyl carboxylic ester was synthesized in basic condition via crossed ester condensation reaction. 酯缩合反应:用甲氧基乙酸甲酯和4-三氟甲基苯甲酸甲酯为原料,在碱性条件下进行交叉酯缩合反应,同时消去甲氧基生成β-酮酸酯。
Using 1,1 ′-binaphthol after resolution as starting material, a new chiral reagent was synthesized. The whole work was made up of 3 steps of ester condensation, coupling reaction and complexation reaction, and the over-all yield reached 74%. 以经过拆分后的联萘酚为起始原料,通过酯化反应,偶联反应和络合反应等3步反应合成了一种新型的手性催化剂,总收率达到74%。