A process for producing long chain amino acid, long chain dibasic acid, alkylamine, and alkanoic acid of the following structures: from an ammonia or ammonium hydroxide hydrolysis of mixed amide derivatives of the following structures: wherein m is an integer from 0 to 10; n is an integer from 6 to 20; X is OR or NR 1 R 2 , wherein OR is OH, Ci-Cs monohydric alcohol, or Ci-Cs polyhydric alcohol, and R 1 and R 2 are each independently hydrogen or C 1 -C 8 alkyl group; the process comprising: adding the mixed amide derivatives to an aqueous solution of ammonium hydroxide in the presence or absence of a solvent or a catalyst; subjecting the solution or suspension of step to a hydrolysis reaction; recovering excess ammonia and solvent in the presence of solvent in step by evaporation to provide a mixture of long chain amino acid and alkylamine or ammonium salts of long chain dibasic acid and alkanoic acid; crystallizing the long chain amino acid by cooling the mixture of step ; separating the long chain amino acid by means of solid-liquid separation to provide a mother liquor containing the ammonium or alkylamine salts of the long chain dibasic acid and alkanoic acid; adding an acid to the mother liquor of step to precipitate the long chain dibasic acid and to form the alkanoic acid; separating the long chain dibasic acid by means of solid-liquid separation; and recovering the alkanoic acid from the mother liquor of step . from an ammonia or ammonium hydroxide hydrolysis of mixed amide derivatives of the following structures: wherein m is an integer from 0 to 10; n is an integer from 6 to 20; X is OR or NR 1 R 2 , wherein OR is OH, Ci-Cs monohydric alcohol, or Ci-Cs polyhydric alcohol, and R 1 and R 2 are each independently hydrogen or C 1 -C 8 alkyl group; the process comprising: adding the mixed amide derivatives to an aqueous solution of ammonium hydroxide in the presence or absence of a solvent or a catalyst; subjecting the solution or suspension of step to a hydrolysis reaction; recovering excess ammonia and solvent in the presence of solvent in step by evaporation to provide a mixture of long chain amino acid and alkylamine or ammonium salts of long chain dibasic acid and alkanoic acid; crystallizing the long chain amino acid by cooling the mixture of step ; separating the long chain amino acid by means of solid-liquid separation to provide a mother liquor containing the ammonium or alkylamine salts of the long chain dibasic acid and alkanoic acid; adding an acid to the mother liquor of step to precipitate the long chain dibasic acid and to form the alkanoic acid; separating the long chain dibasic acid by means of solid-liquid separation; and recovering the alkanoic acid from the mother liquor of step . adding the mixed amide derivatives to an aqueous solution of ammonium hydroxide in the presence or absence of a solvent or a catalyst; subjecting the solution or suspension of step to a hydrolysis reaction; recovering excess ammonia and solvent in the presence of solvent in step by evaporation to provide a mixture of long chain amino acid and alkylamine or ammonium salts of long chain dibasic acid and alkanoic acid; crystallizing the long chain amino acid by cooling the mixture of step ; separating the long chain amino acid by means of solid-liquid separation to provide a mother liquor containing the ammonium or alkylamine salts of the long chain dibasic acid and alkanoic acid; adding an acid to the mother liquor of step to precipitate the long chain dibasic acid and to form the alkanoic acid; separating the long chain dibasic acid by means of solid-liquid separation; and recovering the alkanoic acid from the mother liquor of step . <EOS>