Process for producing aliphatic tricarbonitriles

Details Process for producing aliphatic tricarbonitriles Process for producing aliphatic tricarbonitriles

C - Chemistry, Metallurgy

07

C

C07C 255/05 (2006.01) C07C 253/00 (2006.01) C07C 253/30 (2006.01)

Patent

CA 2352120

The present invention relates to a process for producing tricarbonitriles corresponding to formula I (see formula I) wherein n is an integer from 2 to 11 by forming an intermediate in the presence of a strong base in a first stage from an aliphatic .alpha.-.omega.-dinitrile corresponding to formula II (see formula II) wherein n is an integer from 3 to 12, and reacting the intermediate in a second stage to form a trinitrile corresponding to formula I by the addition of acrylonitrile.

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