发明授权
- 专利标题: Method for producing 1,3-disubstituted 2-nitroguanidines
- 专利标题(中): 1,3-二取代的2-硝基胍的制备方法
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申请号: US10476599申请日: 2002-04-24
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公开(公告)号: US07026307B2公开(公告)日: 2006-04-11
- 发明人: Jörn Stölting , Kai van Laak , Wolfram Sirges , Armin Heyn , Torsten Taschner
- 申请人: Jörn Stölting , Kai van Laak , Wolfram Sirges , Armin Heyn , Torsten Taschner
- 申请人地址: DE Monheim
- 专利权人: Bayer CropScience AG
- 当前专利权人: Bayer CropScience AG
- 当前专利权人地址: DE Monheim
- 代理商 Richard E. L. Henderson; Raymond J. Harmuth
- 优先权: DE10121652 20010503
- 国际申请: PCT/EP02/04474 WO 20020424
- 国际公布: WO02/090331 WO 20021114
- 主分类号: A01N43/00
- IPC分类号: A01N43/00 ; A61K31/33
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.
公开/授权文献
- US20040167177A1 Method for producing 1,3-disubstituted 2-nitroguanidines 公开/授权日:2004-08-26