Abstract

AbstractThe liquid phase oxidation of acetophenone by aqueous ammonia and sulphur to phenylacetamide and/or phenylacetic acid was investigated in a stainless steel autoclave maintained under autogenous pressure. The effects of type and amount of solvent, amount of sulphur, concentration of acetophenone and ammonia, temperature and period of reaction, and the presence of impurities in commercial grade acetophenone, on the conversion and yield of phenylacetamide and/or phenylacetic acid were studied with a view to obtain the most suitable conditions for the production of phenylacetic acid. Since the product was a mixture of phenylacetamide and phenylacetic acid, hydrolysis of phenylacetamide was studied with a view to obtaining phenylacetic acid. Also, the solubility of phenylacetamide in water was determined.

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