Issue 38, 2014
From the journal:

Chemical Communications

Controlled hydrogenative depolymerization of polyesters and polycarbonates catalyzed by ruthenium(ii) PNN pincer complexes†

Eric M. Krall,a   Tyler W. Klein,a   Ryan J. Andersen,a   Alex J. Nett,b   Ryley W. Glasgow,b   Diana S. Reader,a   Brian C. Dauphinais,a   Sean P. Mc Ilrath,a   Anne A. Fischer,b   Michael J. Carney,b   Dylan J. Hudsona  and  Nicholas J. Robertson*a  

* Corresponding authors

a Northland College, 1411 Ellis Ave., Ashland, Wisconsin, USA
E-mail: nrobertson@northland.edu
Tel: +1 715 682 1321

b University of Wisconsin-Eau Claire, 105 Garfield Ave., Eau Claire, Wisconsin 54701, USA

Abstract

Ruthenium(II) PNN complexes depolymerize many polyesters into diols and polycarbonates into glycols plus methanol via hydrogenation. Notably, polyesters with two methylene units between ester linkages depolymerize to carboxylic acids rather than diols. This methodology represents a new approach for producing useful chemicals from waste plastics.

Graphical abstract: Controlled hydrogenative depolymerization of polyesters and polycarbonates catalyzed by ruthenium(ii) PNN pincer complexes

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Article information

DOI
https://doi.org/10.1039/C4CC00541D
Article type
Communication
Submitted
21 Jan 2014
Accepted
07 Mar 2014
First published
20 Mar 2014

Chem. Commun., 2014,50, 4884-4887

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Controlled hydrogenative depolymerization of polyesters and polycarbonates catalyzed by ruthenium(II) PNN pincer complexes

E. M. Krall, T. W. Klein, R. J. Andersen, A. J. Nett, R. W. Glasgow, D. S. Reader, B. C. Dauphinais, S. P. Mc Ilrath, A. A. Fischer, M. J. Carney, D. J. Hudson and N. J. Robertson, Chem. Commun., 2014, 50, 4884 DOI: 10.1039/C4CC00541D

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