Abstract
A series of lanthanoid (Ln3+) based Lewis acid catalysts were investigated as alternatives to other metal based catalysts for the formation of Michlers hydride, 4,4-methylenebis(N,N-dimethylaniline) (1). The lanthanoid based Lewis acid catalysts were superior to previously published catalysts resulting in formation of 4,4-methylenebis(N,Ndimethylaniline) (1) and N,N-dimethyl-4-(4-(methylamino)benzyl)aniline (2). If paraformaldehyde was added to the reaction only 4,4-methylenebis(N,N-dimethylaniline) (1) was formed.
Keywords: Lanthanoids, Lewis acids, catalysis, radicals, oxidation
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