source: Journal of Molecular Catalysis A: Chemical year: 2002 volume: 190 first page: 109 last page: 116 doi: 10.1016/S1381-1169(02)00222-4
Abstract: Novel 8-membered ring unsaturated lactams were synthesized and tested as monomers for the ruthenium-catalyzed ring-opening metathesis polymerization (ROMP). The reaction of a N-protected cyclic alkeneamine was also investigated. The Grubbs' benzylidene complexes RuCl2(=CHPh)(PCy3)2 or RuCl2(=CHPh)(PCy3)(IMesH2) and selected ruthenium-arene species bearing either phosphine or stable Arduengo-type N-heterocyclic carbene ligands served as catalyst precursors. In most cases, isomerization of the starting materials took place and only 1-benzyl-1-aza-2-ketocyclooct-5-ene afforded a polymeric product. This polyamide was characterized by numerous analytical techniques.
Keywords: Ruthenium, Nylon, Carbene