发明授权
US07348450B2 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: US07348450B2公开(公告)日: 2008-03-25
- 发明人: Paul Hanselmann , Wolfgang Wenger
- 申请人: Paul Hanselmann , Wolfgang Wenger
- 申请人地址: CH Basel
- 专利权人: Lonza Ltd.
- 当前专利权人: Lonza Ltd.
- 当前专利权人地址: CH Basel
- 代理机构: Fisher, Christen & Sabol
- 优先权: EP03024344 20031024
- 主分类号: C07C69/74
- IPC分类号: C07C69/74 ; C07C69/66
摘要:
A method for the production of 6,6,6-trihalo-3,5-dioxhexanoic 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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