Ladderization of polystyrene derivatives by palladium-catalyzed polymer direct arylation?

Polymer Chemistry Pub Date: 2019-05-01 DOI: 10.1039/C9PY00359B

Abstract

Ladderization of polystyrene derivatives successfully proceeded by palladium-catalyzed polymer direct arylation in the presence of a phosphine ligand and pivalic acid using poly(2-bromostyrene) as a prepolymer, in which the polymer tacticity had little influence on the reaction efficiency. The reaction mechanism was supported by theoretical calculation in detail. The optical and thermal properties of pseudo-ladderized polystyrene suggested enhanced chain rigidity.

Graphical abstract: Ladderization of polystyrene derivatives by palladium-catalyzed polymer direct arylation
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