The synthesis of oligomers related to poly(ethyleneglycol terephthalate)

Add time:09/24/2019    Source:sciencedirect.com

Three end-capped oligomers 35, 41 and 45 related to poly(ethyleneglycol terephthalate) have been prepared starting from t-butylthioterephthalic acid 21 and its ethyleneglycol monoterephthalate derivative 25 terminally protected on the glycol moiety (by the tetrahydropyranyl group) and on the carboxylic acid moiety [by the 2-(2-pyridyl)-group].

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