VERFAHREN ZUR HERSTELLUNG VON BENZOESAEURE-DERIVATEN

A process for the preparation of a compound of the formula (I) in which X1 and X2 each independently is chlorine or fluorine, and Y is chlorine, bromine, fluorine or iodine, comprising subjecting a compound of the formula (II) to a Sandmeyer or Balz-Schiemann reaction thereby to produce a carboxylic...

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Bibliographic Details
Main Authors KYSELA,ERNST,DR, GROHE,KLAUS,DR, PETERSEN,UWE,DR, SCHRIEWER,MICHAEL,DR
Format Patent
LanguageGerman
Published 31.03.1988
Edition4
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:A process for the preparation of a compound of the formula (I) in which X1 and X2 each independently is chlorine or fluorine, and Y is chlorine, bromine, fluorine or iodine, comprising subjecting a compound of the formula (II) to a Sandmeyer or Balz-Schiemann reaction thereby to produce a carboxylic acid of the formula (Ia) and converting the carboxylic acid (Ia) into an acyl chloride of the formula (Ib) The compound (II) is new. The products are known intermediates for anti-bacterials.
Bibliography:Application Number: DE19863631906