Method of producing nitrile compounds from...

Details Method of producing nitrile compounds from... Method of producing nitrile compounds from...

2003-11-25

2009-02-03

Shiao, Rei-tsang (Department: 1626)

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

Organic compounds

Nitriles

C558S332000, C502S162000

Reexamination Certificate

active

07485741

ABSTRACT:
The present invention relates to a process for hydrocyanating a hydrocarbon-based compound containing at least one ethylenic unsaturation by reaction in liquid medium with hydrogen cyanide in the presence of a catalyst comprising a metal element chosen from transition metals and an organophosphorus ligand, characterized in that the organophosphorus ligand is a monodentate organophosphorus compound. The present invention is in particular useful for the synthesis of adiponitrile from butadiene.

REFERENCES:
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Soliman et al., 1997, CAS: 126:293386.
Selent, D. et al., “New Phosphorus Ligands for the Rhodim-Catalyzed Isomerization/Hydroformylation of Internal Octenes”,Angewandte Chemie, vol. 40, No. 9, May 4, 2001.

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