The invention provides a production method of a 1,2,4-oxadiazole derivative represented by formula (A), which comprises reacting a compound represented by formula (B) and a compound represented by formula (C) in the presence of a basic compound:
wherein Ar is an aromatic group or an aromatic group having substituent(s); W, X, Y and Z are each independently —S—, —N═, —CH═ or —CR═, and one selected from W, X, Y and Z is —S—; and R is an alkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 3 carbon atoms, a haloalkyl group having 1 to 3 carbon atoms, a haloalkoxy group having 1 to 3 carbon atoms or a halogen atom.
该发明提供了一种1,2,4-噁二唑衍
生物的生产方法,其代表式为(A),包括在碱性化合物存在下,将代表式为(B)的化合物与代表式为(C)的化合物反应:其中Ar是芳香基团或具有取代基的芳香基团;W、X、Y和Z各自独立地为—S—、—N═、—CH═或—CR═,其中W、X、Y和Z中选定的一个是—S—;R是具有1至5个碳原子的烷基基团,具有1至3个碳原子的烷氧基团,具有1至3个碳原子的卤代烷基基团,具有1至3个碳原子的卤代烷氧基团或卤素原子。