Methods for the preparation of benzoxazole sulfonamide compounds and intermediates thereof

Methods for the preparation of benzoxazole sulfonamide compounds and intermediates thereof

The present invention relates to methods for the preparation of benzoxazole sulfonamide compounds as well as novel intermediates for use in said method. More in particular the invention relates to methods for the preparation of 2-amino-benzoxazole sulfonamide compounds which make use of 2-mercapto-b...

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Bibliographische Detailangaben
Hauptverfasser: FILLIERS WALTER FERDINAND M, AELTERMAN WIM A.A, DE KOCK HERMAN A
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:The present invention relates to methods for the preparation of benzoxazole sulfonamide compounds as well as novel intermediates for use in said method. More in particular the invention relates to methods for the preparation of 2-amino-benzoxazole sulfonamide compounds which make use of 2-mercapto-benzoxazole sulfonamide intermediates, more in particular methods employing the intermediate 1-Benzyl-2-hydroxy-3-[isobutyl-(2-methylsulfanyl-benzoxazole-6-sulfonyl)-amino]-propyl)-carbamic ester, and to methods amenable to industrial scaling up. Said benzoxazole sulfonamide compounds are particularly useful as HIV protease inhibitors.