Efficient deprotection of Boc group in amines and sulfamides using Dawson heteropolyacid catalyst | European Journal of Chemistry

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Published: Sep 30, 2012

DOI: https://doi.org/10.5155/eurjchem.3.3.305-309.610

Keywords:

Catalyst, Cyclosulfamides, Protective group, N-Boc deprotection, Dawson heteropolyacid, Heterogeneous catalysis

Section

Research Article

Issue

Vol. 3 No. 3 (2012): September 2012

Dates

Received 2012-04-07
Accepted 2012-05-19
Published 2012-09-30

Roubila Belghiche

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Laboratory of Applied Organic Chemistry, Bioorganic Chemistry Group, Sciences Faculty, Chemistry Department, Badji Mokhtar Annaba University, 23000, Algeria

Zinelaabidine Cheraiet

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Laboratory of Applied Organic Chemistry, Bioorganic Chemistry Group, Sciences Faculty, Chemistry Department, Badji Mokhtar Annaba University, 23000, Algeria

Malika Berredjem

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Laboratory of Applied Organic Chemistry, Bioorganic Chemistry Group, Sciences Faculty, Chemistry Department, Badji Mokhtar Annaba University, 23000, Algeria

Mostefa Abbessi

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Laboratory of Applied Organic Chemistry, Bioorganic Chemistry Group, Sciences Faculty, Chemistry Department, Badji Mokhtar Annaba University, 23000, Algeria

Nour-Eddine Aouf

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Laboratory of Applied Organic Chemistry, Bioorganic Chemistry Group, Sciences Faculty, Chemistry Department, Badji Mokhtar Annaba University, 23000, Algeria

Abstract

A series of sulfamides containing two protecting groups have been synthesized starting from N-benzoylaminoacids derivatives of (glycine, alanine, valine, leucine, phenylalanine), chlorosulfonylisocyanate and primary amines. Selective deprotection of the cyclic or linear sulfamides and amines has been achieved by treatment with heteropolyacid, which is easily recoverable and reusable. This method represents a reasonable alternative to the previous reported deprotection procedures.

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Belghiche, R.; Cheraiet, Z.; Berredjem, M.; Abbessi, M.; Aouf, N.-E. Efficient Deprotection of Boc Group in Amines and Sulfamides Using Dawson Heteropolyacid Catalyst. Eur. J. Chem. 2012, 3, 305-309.

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Supporting Agencies

Algerian Ministry of Scientific Research (Direction Générale de la Recherche Scientifique et du Développement Technologique, DGRS-DT)

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