Production of 3-pentenenitrile from 1,3-butadiene

Details Production of 3-pentenenitrile from 1,3-butadiene Production of 3-pentenenitrile from 1,3-butadiene

C - Chemistry, Metallurgy

07

C

C07C 253/10 (2006.01) C07C 255/07 (2006.01)

Patent

CA 2552862

The invention relates to a method for producing 3-pentenenitrile by means of the hydrocyanation of 1,3-butadiene, whereby 1,3-butadiene is reacted with hydrogen cyanide in the presence of at least one catalyst, and the resulting flow is purified by distillation, the bottom temperature not exceeding 140 ~C during the distillation.

L'invention concerne un procédé de fabrication de 3-pentène nitrile par hydrocyanation de 1,3-butadiène. Le 1,3-butadiène est transformé en présence d'un catalyseur avec du cyanure d'hydrogène, et le flux résultant est épuré par distillation, la température de bas de colonne n'excédant pas 140 ·C lors de la distillation.

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