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公开(公告)号:US20170158648A1
公开(公告)日:2017-06-08
申请号:US15332599
申请日:2016-10-24
发明人: Weirong CHEN , Michael HUMORA , Daw-Iong Albert KWOK , William F. KIESMAN , Erwin Ayandra IRDAM
IPC分类号: C07D277/82 , C07D277/62
CPC分类号: C07D277/82 , C07D277/62
摘要: The present invention is related to an improved process for the preparation of amino-substituted 4,5,6,7-tetrahydrobenzothiazole compounds of formula I, such as the compound 2-amino-4,5,6,7-tetrahydro-6-(n-propylamino)benzothiazole. The invention further relates to an improved synthesis of (R)-2-amino-4,5,6,7-tetrahydro-6-(n-propylamino)benzothiazole. The invention also relates to the methods and intermediates associated with the synthetic process.