Method for metathetically preparing sulphur containing polymers

Details Method for metathetically preparing sulphur containing polymers Method for metathetically preparing sulphur containing polymers

1997-04-10

1998-01-27

Zitomer, Fred

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526104, 526348, 568 66, 568 67, 568 69, 585646, C08F 2802, C07C 604

Patent

active

057123578

ABSTRACT:
A process for the preparation of organic compounds or polymers containing one or more sulphur atoms and including one or more double bonds in a hydrocarbon chain is described. An acyclic sulphur-containing olefin or an unsaturated sulphur-containing cyclic hydrocarbon undergoes a self metathesis reaction or a cross metathesis reaction with a non-sulphur-containing acyclic olefin or a non-sulphur-containing unsaturated cyclic hydrocarbon to produce novel olefins, novel dienes, and/or olefinic polymers containing one or more sulphur atoms.

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patent: 4837188 (1989-06-01), Laval
A. V. Anisimov, et al., "On the Possibility of Metathesis of Diallylsulfide and Diallylsulfone on Heterogeneous Alumiona-Rhenium Catalyst", Chemical Abstracts, vol. 115, No. 23, Dec. 9, 1991, Abstract No. 255485X, p. 796, col. 2.
Jean-Luc Couturier, et al., "A Cyclometalated Aryloxy(chloro)neopentylidenetungsten Complex: A Highly Active and Stereoselective Catalyst for the Metathesis . . . ", Angew. Chem. Int. Ed. Engl., vol. 31, No. 5, 1992, pp. 628-631.
Francoise Quignard, et al., "Synthesis and Catalytic Properties of W(OAr).sub.2 Cl.sub.2 (CHCMe.sub.3)(OR.sub.2) and W(OAr).sub.2 Cl(CHCMe.sub.3)(CH.sub.2 CME.sub.3)(OR.sub.2) . . . ", J. Chem. Soc., Chem. Commun., 1985, pp. 1816-1817.
Coutourier, J.L, Angew. Chem. Int. Ed. Engl., 31 (1992) No. 5 628.
Quignard, F., J. Chem. Soc., (1985) Chem. Commun. 1816.

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