PROCESS FOR PREPARING RACEMIC ALKYL-5-HALOGENOPENT-4-ENECARBOXYLIC ACIDS OR ALKYL-5-HALOGENOPENT-4-ENECARBOXYLIC ESTERS

• Main Authors: POJALIEV PETER, BURGER CHRISTIAN, STEINBAUER GERHARD
• Format: Patent
• Language: English; Russian
• Published: 30.12.2010
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

A process for preparing racemic alkyl-5-halogenopent-4-enecarboxylic acids and esters thereof of the general formula (I)in which R is a C-C-alkyl radical, Ris H or C--alkyl and X is chlorine, bromine or iodine, which comprises a) reacting a dialkyl(alkylmalonate) of the general formula (II)in which...