Insertion Homo- and Copolymerization of Diallyl Ether

Type of Publication: Journal article
Publication status: Published
URI (citable link): http://nbn-resolving.de/urn:nbn:de:bsz:352-0-311553
Author: Jian, Zhongbao; Mecking, Stefan
Year of publication: 2015
Published in: Angewandte Chemie International Edition ; 54 (2015), 52. - pp. 15845-15849. - ISSN 0570-0833. - eISSN 1433-7851
DOI (citable link): https://dx.doi.org/10.1002/anie.201508930
Summary:
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.
Subject (DDC): 540 Chemistry
Link to License: In Copyright
Bibliography of Konstanz: Yes

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JIAN, Zhongbao, Stefan MECKING, 2015. Insertion Homo- and Copolymerization of Diallyl Ether. In: Angewandte Chemie International Edition. 54(52), pp. 15845-15849. ISSN 0570-0833. eISSN 1433-7851. Available under: doi: 10.1002/anie.201508930

@article{Jian2015Inser-32468, title={Insertion Homo- and Copolymerization of Diallyl Ether}, year={2015}, doi={10.1002/anie.201508930}, number={52}, volume={54}, issn={0570-0833}, journal={Angewandte Chemie International Edition}, pages={15845--15849}, author={Jian, Zhongbao and Mecking, Stefan} }

2015-12-17T15:38:50Z 2015 terms-of-use Insertion Homo- and Copolymerization of Diallyl Ether The previously unresolved issue of polymerization of allyl monomers CH<sub>2</sub>=CHCH<sub>2</sub>X 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 DP<sub>n</sub>≈44. 2015-12-17T15:38:50Z eng Mecking, Stefan Jian, Zhongbao Mecking, Stefan Jian, Zhongbao

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