Raney nickel

Care should be taken never to expose Raney nickel to air.

Raney nickel is typically supplied as a 50% slurry in water.

Care should be taken when handling these raw materials during laboratory preparation of Raney nickel.

Treatment of this derivative with Raney nickel remove the thioether group.

For this reason, commercial Raney nickel is available in both "active" and "inactive" forms.

This catalyst, now commonly known as Raney nickel, was the subject of a patent he obtained in 1927.

This is now a common alloy composition for modern Raney nickel catalysts.

The isomaltulose is then hydrogenated, using a Raney nickel catalyst.

The 3-position thiomethyl group is often removed using Raney nickel to give the 3-H-indole.

The 8,3′-thioanhydroguanosine is converted by Raney nickel reduction to 3′-deoxyguanosine, an analogue of cordycepin.

Raney nickel is used in organic synthesis for desulfurization.

This was then hydrogenated using Raney nickel as a catalyst to give sulfolane.

The major isomer is shown to be the less stable by equilibration over Raney nickel.

Raney nickel catalysts have reduced activity when it is in combination with mild steel.

Today, they are often obtained by hydrogenation of sugars, using Raney nickel catalysts.

Finally, the nitro group is reduced by hydrogenation over Raney nickel catalyst.

Raney nickel experiments confirmed the presence of sulfur in the tryptophan ring.

New reduction methods were surveyed in an attempt to supplant the use of hydrogen and Raney nickel.

Other industrial applications of Raney nickel include the conversion of:

Macroscopically, Raney nickel is a finely divided gray powder.

In the presence of Raney nickel, it undergoes dehydrogenation to 2-methylimidazole, which can then be further elaborated.

However, this is the preferred alloy composition for production of Raney nickel catalysts currently in use.

Selective leaching can be used to produce powdered materials with extremely high surface area, such as Raney nickel.

It is prepared by the dehydrogenation of pyridine using Raney nickel:

The reductive agent is hydrogen, and Raney nickel is used as a catalyst.