发明授权
- 专利标题: Process for the preparation of 4-nitrodiphenylamines
- 专利标题(中): 制备4-硝基二苯胺的方法
-
申请号: US414224申请日: 1982-09-02
-
公开(公告)号: US4404400A公开(公告)日: 1983-09-13
- 发明人: Klaus-Peter Heise , Karlfried Wedemeyer
- 申请人: Klaus-Peter Heise , Karlfried Wedemeyer
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX3137041 19810917
- 主分类号: C07B61/00
- IPC分类号: C07B61/00 ; B01J23/00 ; B01J23/72 ; B01J31/00 ; B01J31/02 ; C07C67/00 ; C07C209/00 ; C07C209/10 ; C07C211/56 ; C07C85/04
摘要:
The invention relates to a process for the preparation of 4-nitrodiphenylamines by the reaction of halogenonitrobenzenes with primary aromatic amines in the presence of copper or a copper compound, a neutralizing agent and a cyclic diaza compound.
公开/授权文献
- US5951407A Bowling ball with asymmetrical core 公开/授权日:1999-09-14
信息查询