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The addition of amines to CC double and triple bonds using different transition metal catalysts was investigated. Lewis acidic complexes of rhodium, palladium, copper and zinc are effective catalysts for the cyclisation of 3-aminopropyl-vinylether and 6-aminohex-1-yne. The catalytic activity of these homogeneous catalysts is significantly increased in the presence of catalytic amounts of Bronsted...
A kinetic analysis of the addition of amines to CC double and triple bonds using different transition metal catalysts is presented. It is shown that the reaction is initiated by the Lewis acidic metal centres. In the presence of protons, the rate of reaction is drastically increased. The key role played by the protons in the catalytic system is discussed. Therefore, Bronsted and Lewis acids, and their...
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