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首页> 外文期刊>Journal of Applied Polymer Science >Hydrolysis of active esters by polymer-supported oximes: Influence of macromolecular characters
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Hydrolysis of active esters by polymer-supported oximes: Influence of macromolecular characters

机译：聚合物负载的肟水解活性酯：大分子特性的影响

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摘要

Hydrolysis of p-nitrophenyl acetate by oximino groups anchored onto two types of supports (i.e., polystyrene and polyacrolein) has been studied. Polystyrene and polyacrolein oximes were prepared using divinylbenzene and tetraethyleneglycol diacrylate as crosslinking agents with a varying extent of crosslinking. The rate of the esterolytic reactions was found to depend on the structural characteristics of the polymer support, which include the hydrophobic or hydrophilic nature of the polymer backbone, solvation of the polymer and the attached functional groups, the nature and extent of crosslinking of the polymer matrix, and also the chemical environments of the oximino groups. The effect of the presence of pyridine residues neighboring the acrolein oxime functionality on the hydrolysis reaction was also studied. (C) 1998 John Wiley & Sons, Inc. [References: 20]
机译：已经研究了锚定在两种类型的载体（即，聚苯乙烯和多丙烯醛）上的肟基对乙酸对硝基苯酯的水解。使用二乙烯基苯和四甘醇二丙烯酸酯作为具有不同交联程度的交联剂，可以制备聚苯乙烯和聚丙烯醛肟。发现酯水解反应的速率取决于聚合物载体的结构特征，包括聚合物主链的疏水或亲水性质，聚合物和连接的官能团的溶剂化，聚合物的交联的性质和程度。基质，以及肟基的化学环境。还研究了丙烯醛肟官能团附近吡啶残基的存在对水解反应的影响。 （C）1998 John Wiley＆Sons，Inc. [参考：20]

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