Regioselective C−H Xanthylation as a Platform for Polyolefin Functionalization | Zendy

Williamson Jill B. | Zendy; Czaplyski William L. | Zendy; Alexanian Erik J. | Zendy; Leibfarth Frank A. | Zendy

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Regioselective C−H Xanthylation as a Platform for Polyolefin Functionalization

Author(s) -

Williamson Jill B.,

Czaplyski William L.,

Alexanian Erik J.,

Leibfarth Frank A.

Publication year - 2018

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201803020

Subject(s) - polyolefin , surface modification , xanthate , polymer , regioselectivity , polymer chemistry , materials science , chain scission , functional group , bond cleavage , polymer science , chemistry , organic chemistry , nanotechnology , layer (electronics) , catalysis

Polyolefins that contain polar functional groups are important materials for next‐generation lightweight engineering thermoplastics. Post‐polymerization modification is an ideal method for the incorporation of polar groups into branched polyolefins; however, it typically results in chain scission events, which have deleterious effects on polymer properties. Herein, we report a metal‐free method for radical‐mediated C−H xanthylation that results in the regioselective functionalization of branched polyolefins without coincident polymer‐chain scission. This method enables a tunable degree of polymer functionalization and capitalizes on the versatility of the xanthate functional group to unlock a wide variety of C−H transformations previously inaccessible on branched polyolefins.

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