Stereoselective synthesis and metathesis polymerization of exo -5-(Pentamethyldisiloxanyl) norbornene

A one-step selective method based on the hydrosilylation of 2,5-norbornadiene with commercially available silanes in the presence of a Pd-catalyst and bulky ligand R-MOP is developed for the synthesis of exo -isomers of silicon-containing norbornenes. This approach leads to the formation of exclusively exo -isomers. The absence of the steps of alkylation with organometallic reagents and photochemical isomerization makes the proposed approach attractive for the targeted design and synthesis of new polymeric materials with the required properties.