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

Details Method for the production of 6,6,6-trihalo-3,5-dioxohexanoic... Method for the production of 6,6,6-trihalo-3,5-dioxohexanoic...

2006-05-03

2008-03-25

Eyler, Yvonne (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C560S174000

Reexamination Certificate

active

07348450

ABSTRACT:
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 <I>E</I> and <I>Z</I> isomers, wherein X independently represents fluorine, chlorine or bromine and R1represents 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 R1have the above-mentioned meanings.

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