Solvent and catalyst recovery and recycle in the manufacture of

Details Solvent and catalyst recovery and recycle in the manufacture of Solvent and catalyst recovery and recycle in the manufacture of

1983-11-03

1985-03-05

Siegel, Alan

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

Organic compounds

Carboxylic acids and salts thereof

562416, C07C 5116

Patent

active

045032459

ABSTRACT:
An improved process is provided for recovering and recycling reaction medium solvent and cobalt-containing cocatalyst in the oxidation of 3-(substituted phenoxy) toluene to provide the corresponding 3-(substituted phenoxy) benzoic acid, the latter being a useful intermediate in the manufacture of herbicides such as acifluorfen.

REFERENCES:
patent: 2964559 (1960-12-01), Burney et al.
patent: 3484458 (1969-12-01), Stein et al.
patent: 4323692 (1982-04-01), Tanger

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