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Letters in Organic Chemistry

Editor-in-Chief

ISSN (Print): 1570-1786
ISSN (Online): 1875-6255

Synthesis, Characterization and Application of Poly(N,N'-dibromo-Nethylnaphthyl- 2,7-disulfonamide) as an Efficient Catalyst for the Acetylation and Deacetylation Reactions

Author(s): Ardeshir Khazaei, Shahnaz Saednia, Liela Roshani, Masoud Kazem-Rostami and Abdolkarim Zare

Volume 11 , Issue 3 , 2014

Page: [159 - 167] Pages: 9

DOI: 10.2174/15701786113106660085

Price: $65

Abstract

In this work, a novel polymer namely poly(N,N'-dibromo-N-ethylnaphthyl-2,7-disulfonamide) (PBNS) is synthesized and characterized by studying its IR, 1H NMR, 13C NMR and thermal gravimetric analysis (TGA). This polymer is utilized as a highly efficient, heterogeneous and recyclable N-bromo reagent to catalyze acetylation of various compounds such as alcohols, phenols, thiol and amine with acetic anhydride under solvent-free conditions, and also it worthily catalyzes deacetylation of acetate esters in aqueous media.

Keywords: Polymeric catalyzer, N-Halo reagent, acetylation, deacetylation, protection method.


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