Process for the preparation of 3-cyano-3, 5,...

Details Process for the preparation of 3-cyano-3, 5,... Process for the preparation of 3-cyano-3, 5,...

C - Chemistry, Metallurgy

07

C

260/559.9

C07C 253/10 (2006.01) C07C 255/46 (2006.01)

Patent

CA 2034640

ABSTRACT A process for preparing isophorone nitrile is disclosed, whereby isophorone is reacted with hydrogen cyanide in the presence of a quaternary ammonium catalyst. Remaining catalyst is removed by thermal destruction and nitrogen sparging. Residual cyanide is removed by acidification and nitrogen sparging.

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