Abstract
The homogeneously catalyzed carbonylation of N-alkylallylamines to N-alkyl-2-pyrrolidones has been studied and the effects of reaction variables have been evaluated. Contrary to expectations, the reaction proceeded at milder conditions with a CO/H 2 1:1 mixture than with pure carbon monoxide, and with phosphine-free rhodium complexes than in the presence of phosphines, which enhanced simultaneous double-bond hydroformylation. Studies of the reaction of Rh(I) complexes with amines indicate that the carbonylation proceeds via Rh(0) clusters.
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