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Novel Synthesis of N-Substituted p-Hydroxybenzoic Amides on Soluble Polymer-Support

✍ Scribed by Chun-Ling Hu; Zu-Xing Chen; Gui-Chun Yang

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
244 KB
Volume
21
Category
Article
ISSN
0256-7660

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✦ Synopsis

Abstract

The synthesis of N‐substituted p‐hydroxybenzoic amides using a liquid phase approach is described. Poly (ethylene glycol) (PEG) and p‐hydroxybenzoic acid were linked by oxalyl chloride to give compound 1, which was chlorinated by thionyl chloride, followed by amidation with NHR^1^R^2^ to yield compound 3. Hydrolysis of compound 3 gave the title amide 4. These crude library members were obtained in good yields with high purities.

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