- 专利标题: VERFAHREN ZUR HERSTELLUNG VON 1,3-DISUBSTITUIERTEN 2-NITROGUANIDINEN
- 专利标题(英): Method for producing 1,3-di-substituted 2-nitroguanidines
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申请号: EP98919095.4申请日: 1998-03-13
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公开(公告)号: EP0971907B1公开(公告)日: 2002-02-27
- 发明人: WOLLWEBER, Detlef , KRÄMER, Wolfgang , RIVADENEIRA, Eric
- 申请人: Bayer Aktiengesellschaft
- 申请人地址: 51368 Leverkusen DE
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: 51368 Leverkusen DE
- 优先权: DE19712411 19970325
- 国际公布: WO9842690 19981001
- 主分类号: C07D277/32
- IPC分类号: C07D277/32 ; C07D213/61 ; C07D405/06 ; C07D417/14
摘要:
The invention relates to a method for producing compounds of formula (I) by reacting compounds of formula (II), wherein Het, R?1, R2, and R4¿ have the meaning cited in the description, with urea.
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