An environment-friendly methodology for the synthesis of 1,2,4-triazoline derivatives on water is described. This method provides an environmental and useful strategy for catalyst-free synthesis of 1,2,4-triazolines derivatives. The gram scale reaction and one-pot reaction are also performed to ensure the scalability and high efficiency of the reaction.

中文翻译：

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偶氮二羰基化合物和邻羟基芳基偶氮甲碱叶立德在水中的无催化剂 [3+2] 环加成反应

描述了一种在水中合成 1,2,4-三唑啉衍生物的环保方法。该方法为 1,2,4-三唑啉衍生物的无催化剂合成提供了一种环保且有用的策略。还进行了克级反应和一锅反应，以确保反应的可扩展性和高效率。