Process for preparing nitrile compounds from ethylenically...

Details Process for preparing nitrile compounds from ethylenically... Process for preparing nitrile compounds from ethylenically...

2007-08-07

2007-08-07

Anderson, Rebecca (Department: 1626)

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

Organic compounds

Nitriles

C558S156000, C558S162000, C546S022000, C549S220000, C549S221000

Reexamination Certificate

active

11166595

ABSTRACT:
The present invention concerns a process for hydrocyanating ethylenically unsaturated organic compounds to compounds containing at least one nitrile function. It relates more particularly to the hydrocyanation of diolefins such as butadiene or of substituted olefins such as alkenenitriles, for instance pentenenitriles. According to the process of the invention the reaction is implemented in the presence of a metal complex catalyst comprising a transition metal such as nickel and an organic ligand.

REFERENCES:
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patent: 6020516 (2000-02-01), Foo et al.
patent: 6069267 (2000-05-01), Tam
patent: 0518541 (1992-12-01), None
patent: WO01014392 (2001-01-01), None
CA No. 70:68955.
CA No. 68:115380.
CA No. 65:91373.
CA No. 61:3507.
CA No. 60:67371.
International Search Report of WO 2004/007435.

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