发明公开
EP1862461A1 METHOD FOR PRODUCING 3,6-DICHLOROPYRIDAZINE-1-OXIDE
审中-公开
VERFAHREN ZUR HERSTELLUNG VON 3,6-DICHLORPYRIDAZIN-1-OXID
- 专利标题： METHOD FOR PRODUCING 3,6-DICHLOROPYRIDAZINE-1-OXIDE
- 专利标题（中）： VERFAHREN ZUR HERSTELLUNG VON 3,6-DICHLORPYRIDAZIN-1-OXID
-
申请号： EP06729454.6申请日： 2006-03-20
-
公开(公告)号： EP1862461A1公开(公告)日： 2007-12-05
- 发明人: TSUKAMOTO, Yoshihisa c/o Sankyo Agro Company, Limited , KUDO, Noriaki c/o Sankyo Agro Company, Limited , KANEKO, Toshio c/o Sankyo Agro Company, Limited , KOMAI, Hiroyuki c/o Sankyo Agro Company, Limited , NAKAGAWA, Harumi c/o Sankyo Agro Company, Limited
- 申请人： Sankyo Agro Company, Limited
- 申请人地址： 5-2, Higashi-Shinbashi 1-chome Minato-ku Tokyo 105-7117 JP
- 专利权人： Sankyo Agro Company, Limited
- 当前专利权人： Sankyo Agro Company, Limited
- 当前专利权人地址： 5-2, Higashi-Shinbashi 1-chome Minato-ku Tokyo 105-7117 JP
- 代理机构： Srinivasan, Ravi Chandran
- 优先权： JP2005082174 20050322; JP2005082175 20050322
- 国际公布： WO2006101058 20060928
- 主分类号： C07D237/12
- IPC分类号： C07D237/12
摘要：
A process for preparing 3,6-dichloropyridazine-1-oxide which comprises reacting 3,6-dichloropyridazine with an acid anhydride and hydrogen peroxide of a concentration of 60% or less or a urea hydrogen peroxide addition compound.
信息查询
