论文部分内容阅读
近年来,从杂环化合物群中不断开发出新的农药。据最近的统计,在所开发的引人注目化合物群内约65％为含氮杂环化合物。这些新的药剂较之现有的药剂被赋予新的性质,以能达到高性能化(例如广谱、高选择性及低毒化等)。由此,能为农药的低剂量化、操作的方便和省力化作出贡献,实施市场上与现有农药的新旧交替。这些性能的提高或改观,与杂环结构所持的物化性能有很大的关系,可以说,为探求新农药的开发,杂环化合物有可能提供无限的秘诀。
In recent years, from the group of heterocyclic compounds continue to develop new pesticides. According to recent statistics, about 65% of the development of compelling compound groups are nitrogen-containing heterocyclic compounds. These new agents are given new properties over existing agents in order to achieve high performance (for example, broad spectrum, high selectivity and low toxicity). As a result, it is possible to contribute to the reduction of the dosage of pesticides, ease of handling and labor saving, and to replace old and new pesticides on the market. The improvement or improvement of these properties is closely related to the physicochemical properties of the heterocyclic structure. It can be said that the heterocyclic compounds may provide unlimited tips to explore the development of new pesticides.