发明申请
- 专利标题： PROCESS FOR THE PREPARATION OF SUBSTITUTED PHENYLPROPANONES
- 专利标题（中）： 制备取代的苯丙酮的方法
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申请号： US14379013申请日： 2012-02-28
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公开(公告)号： US20150031919A1公开(公告)日： 2015-01-29
- 发明人: Daniel Stierli , Harald Walter
- 申请人： Daniel Stierli , Harald Walter
- 申请人地址： CH Basel
- 专利权人： SYNGENTA PARTICIPATIONS AG
- 当前专利权人： SYNGENTA PARTICIPATIONS AG
- 当前专利权人地址： CH Basel
- 国际申请： PCT/EP2012/053371 WO 20120228
- 主分类号： C07C45/45
- IPC分类号： C07C45/45
摘要：
The invention relates to a process for the preparation of a compound of formula (I) wherein the substituents are defined as in claim 1, which process comprises adding a compound of formula (II), wherein R1, R2 and R3 have the meanings as described under formula (I), in the presence of an inert organic solvent, to a mixture comprising an organic nitrite of formula (III) R4—O—N═O, wherein R4 is C1-C8alkyl, a compound of formula (IV), and an inert organic solvent.
公开/授权文献
- US09073839B2 Process for the preparation of substituted phenylpropanones 公开/授权日：2015-07-07
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