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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Abstract
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.
Date issued
2011-01
URI
http://hdl.handle.net/1721.1/69594
Department
Massachusetts Institute of Technology. Department of Chemistry
Journal
Journal of the American Chemical Society
Publisher
American Chemical Society
Citation
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.
Version: Author's final manuscript
ISSN
0002-7863
1520-5126
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