缩醛反应是指羰基是个强极性基团，碳显较强的正电性，因而易与亲核试剂反应。而醇中羟基上的氧具孤对电子，有较强的亲核性，氧以其孤对电子进攻羰基碳形成半缩醛。要酸催化，且反应可逆。半缩醛的-OH不稳定，极易与另一分子醇脱水缩合形成缩醛。形成缩醛的反应用浓硫酸吸水使成缩醛反应正向完全进行，而稀硫酸则促进缩醛水解为原先的醛与醇。
本文研究了以对甲苯磺酸为催化剂，氯苯为溶剂，室温附近的条件下，苯酚及对叔丁基酚与甲缩醛反应的动力学。
With p-toluene sulfonic acid used as catalyst and chlorobenzene as organic solvent, the reaction kinetics between phenol and acetal have been studied at room temperature.
此机理不同于只有1,2加成方式的聚乙烯醇缩饱和醛化反应。
This mechanism is different from that for the acetalization reaction of polyvinyl alcohol with saturated aldehydes, which has only 1, 2 addition.
醛缩酶和TNBS之间的反应支持酶分子的氨基，尤其是蛇肌醛缩酶的氨基在维护其天然构象中起着特殊作用的观点。
The reactions between aldolase and TNBS suggest that the amino group or groups, in snake aldolase, may play a special role in maintaining its native conformation.
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