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Catalytic Hydrogenation of Amides to Amines under Mild Conditions
作者:Mario Stein、Bernhard Breit
DOI:10.1002/anie.201207803
日期:2013.2.18
Under (not so much) pressure: A general method for the hydrogenation of tertiary and secondary amides to amines with excellent selectivity using a bimetallic Pd–Re catalyst has been developed. The reaction proceeds under low pressure and comparatively low temperature. This method provides organic chemists with a simple and reliable tool for the synthesis of amines.
Novel heterogeneous catalysts were prepared by impregnation of titania with a solution of cobalt acetate/melamine and subsequent pyrolysis. The resulting materials show an unusual nitrogen‐modified titanium structure through partial implementation of nitrogen into the support. The optimal catalyst displayed good activity and selectivity for challenging pyridinehydrogenation under acid free conditions
Olefin polymerisation catalysts and processes for producing olefin polymers
申请人:TOSOH CORPORATION
公开号:EP0849292A1
公开(公告)日:1998-06-24
Catalysts for olefin polymerization which consist essentially of a transition metal compound, a modified clay compound and an organic aluminum compound, wherein the modified clay compound comprises a reaction product of a clay mineral and a proton acid salt of a specific amine compound, as well as a method of polymerizing olefins using such catalysts. It is possible thereby to obtain olefin polymers with high productivity and low ash content.