Process for the manufacture of cyclopropylnitrile

Details Process for the manufacture of cyclopropylnitrile Process for the manufacture of cyclopropylnitrile

1993-12-02

1995-01-10

Brust, Joseph Paul

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitriles

C07C25330, C07C25545

Patent

active

053809114

ABSTRACT:
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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patent: 3853942 (1974-12-01), Sury et al.
patent: 3974199 (1976-08-01), Plonka et al.
patent: 4205009 (1980-05-01), Onore et al.
patent: 4622065 (1986-11-01), Van Gemert
patent: 5009699 (1991-04-01), Brady et al.
patent: 5107023 (1992-04-01), Brady et al.

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