PROBLEM TO BE SOLVED: To provide a production method for benzothiazole derivatives, usable for a compound having a substituent small in standard oxidation-reduction potential of thiophene and the like and easily oxidizable.SOLUTION: There is provided a benzothiazole derivative obtained by ring-closing a thioamide derivative of a raw material compound in a solvent using an oxidizer.COPYRIGHT: (C)2013,JPO&INPIT【課題】チオフェン等の標準酸化還元電位が小さく、酸化されやすい置換基を有する化合物に利用可能なベンゾチアゾール誘導体の製造方法を提供する。【解決手段】原料化合物たるチオアミド誘導体を、溶媒中、酸化剤を用いて閉環させることにより、ベンゾチアゾール誘導体を得る。【選択図】図1
