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- Title
Insertion Homo- and Copolymerization of Diallyl Ether.
- Authors
Jian, Zhongbao; Mecking, Stefan
- Abstract
The previously unresolved issue of polymerization of allyl monomers CH2=CHCH2X is overcome by a palladium-catalyzed insertion polymerization of diallyl ether as a monomer. An enhanced 2,1-insertion of diallyl ether as compared to mono-allyl ether retards the formation of an unreactive five-membered cyclic O-chelate (after 1,2-insertion) that otherwise hinders further polymerization, and also enhances incorporation in ethylene polymers (20.4 mol %). Cyclic ether repeat units are formed selectively (96 %–99 %) by an intramolecular insertion of the second allyl moiety of the monomer. These features even enable a homopolymerization to yield polymers (poly-diallyl ether) with degrees of polymerization of DPn≈44.
- Subjects
COPOLYMERIZATION; ETHER derivatives; ALLYLATION; INSERTION reactions (Chemistry); PALLADIUM catalysts; ETHYLENE; HOMOPOLYMERIZATIONS
- Publication
Angewandte Chemie, 2015, Vol 127, Issue 52, p16071
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201508930