- 专利标题: Process for the preparation of substituted oxiranes and triazoles
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申请号: US15324312申请日: 2015-06-26
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公开(公告)号: US10053436B2公开(公告)日: 2018-08-21
- 发明人: Joachim Gebhardt , Manfred Ehresmann , Tiziana Chiodo , Martin Viertelhaus , Roland Goetz
- 申请人: BASF Agro B.V.
- 申请人地址: NL Arnhem
- 专利权人: BASF Agro B.V.
- 当前专利权人: BASF Agro B.V.
- 当前专利权人地址: NL Arnhem
- 代理机构: Brinks Gilson & Lione
- 优先权: EP14176130 20140708
- 国际申请: PCT/EP2015/064550 WO 20150626
- 国际公布: WO2016/005211 WO 20160114
- 主分类号: C07D295/096
- IPC分类号: C07D295/096 ; C07D249/08 ; C07D301/02 ; C07D303/38
摘要:
The present invention relates to a process for the preparation of oxirane compounds of formula II from keto compounds III using dimethyl sulfide (CH3)2S and dimethylsulfate (CH3)2SO4, forming the reagent IV, trimethylsulfonium methylsulfate [(CH3)3S+ CH3SO4−], in aqueous solution in the presence of potassium hydroxide (KOH).
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