Synthesis of Cis,Syndiotactic ROMP Polymers Containing Alternating Enantiomers
Author(s)Flook, Margaret M.; Ng, Victor Wee Lin; Schrock, Richard Royce
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Ring-opening metathesis polymerization (ROMP) of rac-endo,exo-5,6-dicarbomethoxynorbornene (inter alia) yields a cis,syndio,alt-polymer, one in which the sequential units in the cis,syndiotactic polymer consist of alternating enantiomers. Cis selectivity arises through addition of the monomer to produce an all-cis-metallacyclobutane intermediate, while syndioselectivity and alternating enantiomer structures arise as a consequence of inversion of configuration at the metal center with each metathesis step.
DepartmentMassachusetts Institute of Technology. Department of Chemistry
Journal of the American Chemical Society
American Chemical Society
Flook, Margaret M., Victor W. L. Ng, and Richard R. Schrock. “Synthesis of Cis,syndiotactic ROMP Polymers Containing Alternating Enantiomers.” Journal of the American Chemical Society 133.6 (2011): 1784–1786.
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