10.1021/om049449h.s005 Myeongsoon Kang Myeongsoon Kang Ayusman Sen Ayusman Sen Reaction of Palladium 1,5-Cyclooctadiene Alkyl Chloride with Norbornene Derivatives:  Relevance to Metal-Catalyzed Addition Polymerization of Functionalized Norbornenes American Chemical Society 2004 carboxylic bicyclo insertion acid ethyl ester endo Functionalized Norbornenes exo face 2004-11-08 00:00:00 Dataset https://acs.figshare.com/articles/dataset/Reaction_of_Palladium_1_5_Cyclooctadiene_Alkyl_Chloride_with_Norbornene_Derivatives_Relevance_to_Metal_Catalyzed_Addition_Polymerization_of_Functionalized_Norbornenes/3317089 The insertions of norbornene, bicyclo[2.2.1]hept-5-ene-<i>endo</i>-2-carboxylic acid ethyl ester, bicyclo[2.2.1]hept-5-ene-<i>exo</i>-2-carboxylic acid ethyl ester, and bicyclo[2.2.1]hept-5-enyl-<i>endo</i>-2-methyl acetate into the palladium−methyl bond of (η<sup>4</sup>-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.