Abstract
It has been shown that the reaction of the dinitrogen complex [Cp2TiC6H5]2N2 with a mixture of C6H5Li and Li in ether results in the formation of ammonia and aniline after hydrolysis. Under optimum conditions, the yield of aniline is 12 mol% per initial complex and the ammonia yield is 36 mol%. In the absence of lithium neither ammonia nor aniline are formed, while in the absence of phenyllithium only ammonia is produced. The interaction of [Cp2TiC6H5]2N2 with p- m- and o-tolyllithium reagents in the presence of lithium also gives aromatic amines and ammonia after hydrolysis. Similar results have been obtained for the dinitrogen complex [Cp2Ti(m-CH3C6H4)]2N2. The mechanism of the reaction found is discussed.
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