Their chemistry has been the focus of intense research for decades, particularly in heterocyclic synthesis, and continues to be an active area of research today.
近几十年来，烯胺酮化学倍受关注，特别是在杂环化合物的合成中，而且这一领域已经成为研究的热点。
Several synthesis methods for the preparation of 2-chloro-4-aminopyridine were summarized in the article. The applications of 2-chloro-4-aminopyridine in heterocyclic synthesis were introduced.
本文综述了2-氯-4-氨基吡啶的制备方法，并介绍了2-氯-4-氨基吡啶在调吡脲等杂环化合物合成方面的应用。
Heterocyclic compounds and their coordination complexes have received much attention for their application in biological engineering, food perfume chemistry, organic synthesis and dyestuff chemistry.
杂环化合物及其金属配合物因在生物工程、食品香料化学、有机合成和染料化学等领域内的应用而成为研究的热点。
应用推荐