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 R
1
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 R
1
have the above-mentioned meanings.
一种制备式(I)的6,6,6-三卤代-3,5-二酮
己酸酯的方法,以及其烯醇和E和Z异构体,其中X独立表示
氟、
氯或
溴,R1表示烷基、环烷基、芳基或芳烷基。一种制备式(Ib)的烯醇醚及其烯醇(E和Z异构体)的方法,其中X和R1具有上述含义。