Ferrocenyl (P,N)-diphosphines incorporating pyrrolyl, imidazolyl or benzazaphospholyl moieties: Synthesis, coordination to group 10 metals and performances in palladium-catalyzed arylation reactions

Ferrocenyl diphosphines incorporating phosphorus atoms substituted with nitrogen-containing heterocycles of pyrrole, imidazole and benzazaphosphole type were synthesized and characterized. Their coordination to palladium and platinum group 10 transition metals was exemplified, and the performances obtained in palladium-catalyzed terminal alkynes arylation and Suzuki cross-coupling reactions using bromoarenes and chloroarenes are reported.