发明申请
US20060235240A1 Method for the production of 6,6,6-trihalo-3,5-dioxohexanoic acid esters
失效
6,6,6-三卤代-3,5-二氧代己酸酯的制备方法
- 专利标题： Method for the production of 6,6,6-trihalo-3,5-dioxohexanoic acid esters
- 专利标题（中）： 6,6,6-三卤代-3,5-二氧代己酸酯的制备方法
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申请号： US11416212申请日： 2006-05-03
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公开(公告)号： US20060235240A1公开(公告)日： 2006-10-19
- 发明人: Paul Hanselmann , Wolfgang Wenger
- 申请人： Paul Hanselmann , Wolfgang Wenger
- 优先权： EP03024344.8 20031024
- 主分类号： C07C69/66
- IPC分类号： C07C69/66 ; C07D309/30
摘要：
A method for the production of 6,6,6-trihalo-3,5-dioxohexanic acid esters of formula (I): in addition to the enols thereof and E and Z isomers, wherein X independently represents fluorine, chlorine or bromine and R1 represents alkyl, cycloalkyl, aryl or aralkyl. A method for the production of enol ethers of formula (Ib): and the enols thereof (E and Z isomers) wherein X and R1 have the above-mentioned meanings.
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