Improved process for the manufacture of cyclopropylnitrile

Details Improved process for the manufacture of cyclopropylnitrile Improved process for the manufacture of cyclopropylnitrile

C - Chemistry, Metallurgy

07

C

C07C 255/46 (2006.01) C07C 253/30 (2006.01)

Patent

CA 2137031

An improved manufacturing procedure for the preparation and isolation of cyclopropylnitrile is provided. 4-Halobutyronitrile is reacted with an alkali metal base in the presence of an aprotic polar solvent, an inorganic salt and a catalytic amount of water at an elevated temperature. The reaction product cyclopropylnitrile is isolated by azeotropic distillation.

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