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Reaction of Palladium 1,5-Cyclooctadiene Alkyl Chloride with Norbornene Derivatives:  Relevance to Metal-Catalyzed Addition Polymerization of Functionalized Norbornenes

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posted on 08.11.2004, 00:00 by Myeongsoon Kang, Ayusman Sen
The insertions of norbornene, bicyclo[2.2.1]hept-5-ene-endo-2-carboxylic acid ethyl ester, bicyclo[2.2.1]hept-5-ene-exo-2-carboxylic acid ethyl ester, and bicyclo[2.2.1]hept-5-enyl-endo-2-methyl acetate into the palladium−methyl bond of (η4-cycloocta-1,5-diene)chloromethylpalladium(II) were found to proceed at similar rates, with the product in every case being derived from insertion through the exo face.