Process for preparing tris(2-cyanoethyl)-phosphine

Details Process for preparing tris(2-cyanoethyl)-phosphine Process for preparing tris(2-cyanoethyl)-phosphine

Category

C - Chemistry, Metallurgy

Subcategory

07

Subsubcategory

F

CPC

260/558.05

IPC codes

C07F 9/50 (2006.01)

Type

Patent

Patent number

CA 1151212

Description

20,250 PROCESS FOR PREPARING TRIS(2-CYANOETHYL)PHOSPHINE ABSTRACT Tris(2-cyanoethyl)phosphine is prepared by re- acting a mixture of acrylonitrile and a free-radical initi- ator in a pressure reactor under a 100 to 400 psi phosphine pressure within the temperature range of about 90°C to 120°C. for a period of 4 to 8 hours. The mole ratio of acrylonitrile to phosphine should be from about 2.9:1 to 3.2:1, respectively. The reaction is carried out under agitation using tris(2-cyanoethyl)phosphine as the reaction solvent.

Application Number

371213

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