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The selective preparation of aliphatic primary amines from alpha-olefins, synthesis gas (CO/H 2 ) and ammonia has been developed involving the use of homogeneous cobalt, rhodium and ruthenium catalysis. The modes by which these products are generated is discussed. An alternative, two-step procedure requiring initial olefin hydroformylation, followed by reductive amination of the linear aldehyde...
Certain perovskite-type oxides (ABO 3 ) containing transition metals on the B-site show mixed (electronic/ionic) conductivity. These mixed-conductivity oxides are promising materials for oxygen-permeating membranes that can operate without electrodes or external electrical circuitry. Oxides in the system Sr-Fe-Co-O permeate large amounts of oxygen, and extruded tubes of these materials have...
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