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Split and [Ru]n! The cover picture shows the scission of a b-[O]-4'-glycerolarylether linkage in a lignin model compound through internal hydrogen transfer. In their Communication on p. 439 ff., J. Klankermayer, W. Leitner et al. describe the one-step synthesis of trimethylenemethane-ruthenium(II)-triphos complexes from [Ru(cod)(methally) 2 ] and tripodal phosphine ligands as a catalytic system for hydrogen transfer reactions with unprecedented high activity in the CÀO cleavage.