Catalysts and methods for ring opening metathesis polymerization

Schrock, Richard Royce; Autenrieth, Benjamin

Catalysts and methods for ring opening metathesis polymerization

Patent · 04 April 2017

OSTI ID:1349729

Schrock, Richard Royce; Autenrieth, Benjamin

The present invention, among other things, provides highly syndiotactic poly(dicyclopentadiene) and/or hydrogenated poly(dicyclopentadiene), compositions thereof, and compounds and methods for preparing the same. In some embodiments, a provided compound is a compound of formula I, II or III. In some embodiments, a provided method comprises providing a compound of formula I, II or III.

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Research Organization:: Massachusetts Institute of Technology, Cambridge, MA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FG02-86ER13564

Assignee:: Massachusetts Institute of Technology

Patent Number(s):: 9,611,347

Application Number:: 14/627,802

OSTI ID:: 1349729

Country of Publication:: United States

Language:: English

References (17)

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Z-Selective Ring-Opening Metathesis Polymerization of 3-Substituted Cyclooctenes by Monoaryloxide Pyrrolide Imido Alkylidene (MAP) Catalysts of Molybdenum and Tungsten Jeong, Hyangsoo; Kozera, Daniel J.; Schrock, Richard R. Organometallics, Vol. 32, Issue 17, p. 4843-4850 https://doi.org/10.1021/om400583t	journal	August 2013
Ring-opening Polymerization of Norbornene and Its Derivatives by MoCl₅, WCl₆ and ReCl₅ Catalysts Oshika, Takao; Tabuchi, Hiroyoshi Bulletin of the Chemical Society of Japan, Vol. 41, Issue 1, p. 211-217 https://doi.org/10.1246/bcsj.41.211	journal	January 1968
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Stereospecific Ring-Opening Metathesis Polymerization of endo-Dicyclopentadiene by Schrock–Hoveyda Catalyst and Novel Mo- and W-based Complexes. Development of Crystalline Hydrogenated Poly(endo-dicyclopentadiene) Hayano, Shigetaka; Kurakata, Hiroshi; Uchida, Daisuke Chemistry Letters, Vol. 32, Issue 8, p. 670-671 https://doi.org/10.1246/cl.2003.670	journal	August 2003
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Five-Coordinate Rearrangements of Metallacyclobutane Intermediates during Ring-Opening Metathesis Polymerization of 2,3-Dicarboalkoxynorbornenes by Molybdenum and Tungsten Monoalkoxide Pyrrolide Initiators Flook, Margaret M.; Börner, Janna; Kilyanek, Stefan M. Organometallics, Vol. 31, Issue 17, p. 6231-6243 https://doi.org/10.1021/om300530p	journal	August 2012
Hydrogenated Ring-Opened Poly(endo-dicyclopentadiene)s Made via Stereoselective ROMP Catalyzed by Tungsten Complexes: Crystalline Tactic Polymers and Amorphous Atactic Polymer Hayano, Shigetaka; Takeyama, Yoshihisa; Tsunogae, Yasuo Macromolecules, Vol. 39, Issue 14, p. 4663-4670 https://doi.org/10.1021/ma0604340	journal	June 2006
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Synthesis of Tungsten Oxo Alkylidene Complexes Peryshkov, Dmitry V.; Schrock, Richard R. Organometallics, Vol. 31, Issue 20, p. 7278-7286 https://doi.org/10.1021/om3008579	journal	October 2012
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