PROCEDIMIENTO DE ESTERIFICACION

摘要

1426057 Esters IMPERIAL CHEMICAL INDUSTRIES Ltd 6 April 1973 [24 April 1972] 18825/72 Heading C2C An esterification process comprises reacting an alcohol with a carboxylic acid anhydride at a temperature in excess of 100‹ C. in the presence of a metal or metal compound esterification catalyst to produce an ester boiling above 100‹ C. the ester product being treated with an aqueous inorganic alkali solution whilst maintaining the temperature in excess of 100‹ C. during the treatment. Representative of the processes described in examples is the reaction of isooctanol with phthalic anhydride in the presence of titanium isopropoxide and treatment of the reaction product with sodium carbamate solution.