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FEMS Microbiol Lett. 1994 Feb 1;116(1):73-8.

Metabolism of 4-chlorophenol by Azotobacter sp. GP1: structure of the meta cleavage product of 4-chlorocatechol.

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Institut für Mikrobiologie der Universität Hohenheim, Stuttgart, FRG.


A mutant strain of Azotobacter sp. GP1 converted 4-chlorophenol to 4-chlorocatechol under cometabolic conditions. Under the same conditions the wild-type strain accumulated a yellow compound, which by chemical and spectroscopic methods was identified as 5-chloro-2-hydroxy-6-oxohexadienoic acid (5-chloro-2-hydroxy-muconic semialdehyde). The structure of this compound indicates a meta-proximal cleavage of 4-chlorocatechol.

[Indexed for MEDLINE]

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