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

Method for the production of 6,6,6-trihalo-3,5-dioxohexanoic acid esters
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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