申请人:Bayer Aktiengesellschaft
公开号:US04808723A1
公开(公告)日:1989-02-28
Benzothiazoles of the formula ##STR1## in which R represents H, NH.sub.2 or R.sub.1, R.sub.1 denoting alkyl or aryl, and it being possible for the ring A to have other substituents, are obtained in a simple manner by reacting the readily accessible compounds of the formula ##STR2## in which X denotes a leaving group and Y denotes NO.sub.2 or NH.sub.2, with specified amounts of a compound of the formula ##STR3## The compounds I are intermediates for dyestuffs and plant-protection agents.
公式为##STR1##的苯并噻唑化合物,其中R代表H、NH.sub.2或R.sub.1,R.sub.1代表烷基或芳基,环A可能具有其他取代基,通过将公式##STR2##的易得化合物与公式##STR3##的化合物在特定量下反应,以简单方式获得。化合物I是染料和植物保护剂的中间体。