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(searched for: (10.5155/eurjchem.3.3.305-309.610))
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Roubila Belghiche, Zinelaabidine Cheraiet, Malika Berredjem , Mostefa Abbessi, Nour-Eddine Aouf
European Journal of Chemistry, Volume 3, pp 305-309; doi:10.5155/eurjchem.3.3.305-309.610

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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