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

Efficient deprotection of Boc group in amines and sulfamides using Dawson heteropolyacid catalyst

Roubila Belghiche, Zinelaabidine Cheraiet, Malika Berredjem, Mostefa Abbessi, Nour-Eddine Aouf

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.

3_3_305_309_800


Keyword(s)


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

European Journal of Chemistry, 3 (3), (2012), 305-309

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DOI: http://dx.doi.org/10.5155/eurjchem.3.3.305-309.610

 

Cited-By

[1]. A simple, rapid, and efficient N-Boc protection of amines under ultrasound irradiation and catalyst-free conditions
Aïcha Amira, Hacène K’tir, Malika Berredjem, Nour-Eddine Aouf
Monatshefte für Chemie - Chemical Monthly  Volume: 145  Issue: 3  First page: 509  Year: 2014  
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