方法以苯甲醛衍生物和苯乙酮为原料,弱碱碳酸钾为催化剂,水为溶剂,用相转移催化法合成查耳酮衍生物。
Methods Chalcone derivatives were synthesized from benzaldehyde derivatives and acetophenone by using weak alkali potassium carbonate as based catalyst in water via phase - transfer catalysis.
利用相转移催化法合成香料2-甲基-3 甲氧基吡嗪,并对其反应条件进行探讨,找到较佳的反应条件。
The synthetic method of perfume 2 - methyl - 3 - methoxy pyrazine was investigated and better reaction conditions have been found.
采用相转移催化法以四丁基氯化铵为催化剂合成了端基含磺胺嘧啶的聚乳酸,将肿瘤导向基团引入了可生物降解药物载体。
Sulfadiazine-polylactide, a tumor targeting drug carrier, was successfully synthesized by the phase transfer catalysis(PTC)with tetrabutyl ammonium chloride hydroxide as catalyst.
采用相转移催化法合成了1羟基2萘甲酸四乙酰葡萄糖酯,并进行了IR、1HNMR、MS和元素分析,证明了其结构。
Tetraacetyl glucosyl ester of 1 hydroxy 2 naphthoic acid was synthesized by PTC method and confirmed by IR, 1HNMR, MS and elemental analysis.
通过沉淀法和相转移法的结合制备纳米催化剂。
Nanocatalysts were prepared by combining the method of precipitation with that of phase transfer.
相转移催化环烷基化反应不适合采用无溶剂法来进行,对反应过程中的溶剂效应进行分析后选择甲苯作为溶剂和带水剂。
The reaction was not suitable conducted under solvent-free condition, water formed during the reaction was removed by azeotropic distillation with toluene throughout the reaction.
相转移催化环烷基化反应不适合采用无溶剂法来进行,对反应过程中的溶剂效应进行分析后选择甲苯作为溶剂和带水剂。
The reaction was not suitable conducted under solvent-free condition, water formed during the reaction was removed by azeotropic distillation with toluene throughout the reaction.
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