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AssigneeEastman Chemical Company
InventorsGeorge C. Zima, T. Hugh Williams, Gary P. Lutz, William C. Dickason
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This invention relates to a process for preparing amido-carboxylic acids in water wherein hydrolysis and amidation reactions are conducted simultaneously in a single vessel. The process involves three steps. The first step involves heating at a temperature of 150.degree. C.-300.degree. C. for 2 to 10 hours, a mixture containing water, a nitrogen containing compound selected from the group consisting of a lactam and an amino acid, and a carboxylic acid or ester. The second step involves cooling the reaction mixture to obtain a two phase system containing an aqueous layer and an organic layer. The third step involves separating the amido-carboxylic acid containing organic layer from the aqueous layer. The presence of water aids in product isolation by phase separation and recycle of the reactants. Amido-carboxylic acids are used to make bleach activators for detergents.
A process for preparing amido-carboxylic acids wherein hydrolysis and amidation reactions are conducted simultaneously in water, said process comprising the steps of:
A process for preparing amido-carboxylic acids wherein hydrolysis and amidation reactions are conducted simultaneously in water, said process comprising the steps of:
A process for preparing amido-carboxylic acids wherein hydrolysis and amidation reactions are conducted simultaneously in water, said process comprising the steps of:
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