Patent ID: 6521794
Filing Date: 2003-02-18
Classification: C07C

Abstract:
In the production of an aromatic compound represented by the general formula (2) by hydrolyzing and decarboxylating an aromatic cyano compound represented by the general formula (1) in the presence of an acidic substance, a method for the production of the aromatic. compound, characterized by performing the reactions of hydrolysis and decarboylation in multiple steps (wherein X is a halogen atom, Y is a cyano group, nitro group, or carboxyl group, Z is a nitrogen-containing group represented by â€”N(R1)(R2) (wherein R1 and R2 are identical or not identical substitutes superposed on a nitrogen atom and selected from among hydrogen atom and linear or branched alkyl groups of 1 to 4 carbon atoms), m is 0, 1, or 2, and n is 1, 2, 3, or 4, providing that the sum of m and n falls in the range of 1&lE;m+n&lE;4) (wherein the symbols have the same meanings as in the general formula (1).