This company was bought by W . R . Grace and Company in 1963 and still produces Raney nickel to this day.
22.
The thioketal prepared from the ketone can be easily reduced by catalytic hydrogenation using Raney nickel in a reaction known as the Mozingo reduction.
23.
Catalytic hydrogenation over Raney nickel to reduce nitro group, then sodium borohydride reduces keto group to alcohol "'4 " '.
24.
Following the development of Raney nickel, other alloy systems with aluminium were considered, of which the most notable include copper, ruthenium and cobalt.
25.
The fatty amine is obtained from this by hydrogenation with any of a number of reagents, including Raney nickel or cobalt, and copper chromite catalysts.
26.
Raney nickel, a finely divided nickel-aluminium alloy, is one common form, though related catalysts are also used, including Raney-type catalysts.
27.
In the above scheme, the reductive cyclisation is effected by Raney nickel and hydrazine . sodium hydrosulfite, or iron in acetic acid are also effective reducing agents.
28.
Since Raney is a registered trademark of W . R . Grace and Company, only those products by its Grace Davison division are properly called " Raney nickel ".
29.
Commonly, leaching is conducted between 70 and 100 �C . The surface area of Raney nickel ( and related catalysts in general ) tends to decrease with increasing leaching temperature.
30.
Due to its large surface area and high volume of contained hydrogen gas, dry, activated Raney nickel is a pyrophoric material that should be handled under an inert atmosphere.
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