Sughrue, Rothwell, Mion, Zinn & Macpeak
Method for preparing 3-methyl-2-(4-halogenophenyl)-butyronitrile
 A method for preparing a 3-methyl-2-(4'-halogenophenyl)-butyronitrile which comprises alkylating a p-halogenophenylacetonitrile by reacting the p-halogenophenylacetonitrile with an isopropyl halide in the presence of an aqueous alkali metal hydroxide solution, using an organic guaternary ammonium salt as a catalyst. 
Sumitomo Chemical Company, Limited
C
C07C
inventional
Nobuo Takeaki Tetsuhiko
Ohno Umemura Watanabe