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2723566 
Journal Article 
Pseudopeptides containing isothiazolidine-1,1-dioxide-3-carboxylic acid: synthesis and properties of (S)-isothiazolidine-1,1-dioxide-3-carboxylic acid, a new gamma-sultam analog of pyroglutamic acid 
Luisi, G; Pinnen, F 
1993 
Yes 
Archiv der Pharmazie
ISSN: 0365-6233
EISSN: 1521-4184 
IPA/94/1050389 
Pharm 
Weinheim, Ger. 
139-141 
IPA COPYRIGHT: ASHP The synthesis of (S)-isothiazolidine-1,1-dioxide-3-carboxylic acid, the sulfonamido analog of pyroglutamic acid, is reported. The protocol of its insertion into a peptide molecule, including protection and deprotection steps, is also described.