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公开(公告)号:US07026307B2
公开(公告)日:2006-04-11
申请号:US10476599
申请日:2002-04-24
申请人: Jörn Stölting , Kai van Laak , Wolfram Sirges , Armin Heyn , Torsten Taschner
发明人: Jörn Stölting , Kai van Laak , Wolfram Sirges , Armin Heyn , Torsten Taschner
CPC分类号: C07D277/32 , C07D213/61 , C07D307/14
摘要: The present invention relates to a process for the preparation of compounds of the formula (I) by reacting compounds of the formula (II) in which R1, R2, R4 and Het are as defined in the description, with anhydrous hydrogen halide in the presence of a nitrile.
摘要翻译: 本发明涉及一种制备式(I)化合物的方法,其中R 1,R 2,R 2,R 2,R 2, Het如说明书中所定义,与无水卤化氢在腈存在下反应。
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公开(公告)号:US06955744B2
公开(公告)日:2005-10-18
申请号:US10343669
申请日:2001-07-30
IPC分类号: C07D277/20 , B01D3/00 , B01D3/34 , C07D277/32
CPC分类号: C07D277/32 , Y10S203/11
摘要: The present invention relates to a process for the preparation of pure 2-chloro-5 -chloromethylthiazole by distillation in the presence of oligomeric polyethers.
摘要翻译: 本发明涉及在低聚聚醚存在下通过蒸馏制备纯的2-氯-5-氯甲基噻唑的方法。
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