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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 36, 2006 - Issue 3
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Original Articles

Efficient Preparation of Hybrid Linear‐Branched Esters of PEG‐PEE Derivatives

Alexander Fishman Department of Chemistry, York University, Toronto, Ontario, Canada
,
Austin Acton Department of Chemistry, York University, Toronto, Ontario, Canada
&
Edward Lee‐Ruff Department of Chemistry, York University, Toronto, Ontario, CanadaCorrespondence[email protected]
Pages 327-330 | Received 10 Jul 2005, Published online: 19 Aug 2006
 
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Abstract

A simple and efficient preparation of a number of hybrid linear‐branched PEG esters are described. The polymers are generated by direct coupling of PEG–carboxylic acids and a variety of pentaerythritol ethoxylates using carbon tetrabromide catalyst.

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