Electrochemical maintenance of catalyst activity
US4499025A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 23, 1982 |
| Grant date | Feb 12, 1985 |
| Priority date | — |
| Expiry date | Apr 23, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2531/847
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The instant invention relates to a process for the conversion of an aryl halide into an aryl cyanide, which comprises the steps of: PA0 (a) providing a first electrode and a second electrode of opposite polarity from said first electrode in an electrolyte, said electrolyte comprising an aryl halide and a zerovalent Group VIII metal catalyst complex dissolved in a conductive solvent, wherein said Group VIII metal catalyst complex is capable of catalyzing the conversion of said aryl halide to an aryl cyanide in the presence of cyanide ions and susceptible to reaction with cyanide ions to yield a catalytically inactive Group VIII metal species, PA0 (b) providing cyanide ions in said electrolyte to convert said aryl halide to said aryl cyanide, PA0 (c) providing a flow of current between said electrodes, and PA0 (d) selectively controlling the electrical potential between said first and second electrode to convert said catalytically inactive Group VIII metal species to said zero valent Group VIII metal catalyst complex. More broadly, the instant invention relates to an improvement in a process for the conversion of a reactant into a reaction product in the presence of a soluble Group V…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.