Journal
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
Volume 11, Issue 13, Pages 1787-1791Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0960-894X(01)00303-1
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Reaction of 4-carboxy-benzenesulfonamide or 3-chloro-3-sulfamoyl benzoic acid with carboxy-protected amino acids' dipeptides, or aromatic/heterocyclic sulfonamides:mercaptans afforded the corresponding benzene-carboxamide derivatives. These were tested as inhibitors of three carbonic anhydrase (CA) isozymes, CA I, II and IV. Some of the new derivatives showed affinity in the low nanomolar range for isozymes CA II and IV. involved in aqueous humor secretion within the eye, and were tested as topically acting anti-glaucoma agents, in normotensive and glaucomatoous rabbits. Good in vivo activity and prolonged duration of action has been observed for some of these derivatives. as compared to the clinically used drugs dorzolamide and brinzolamide. Some of the 4-chloro-3-sulfamoyl benzenecarboxamides reported here showed higher affinity for CA I than for the sulfonamide avid isozyme CA II. (C) 2001 Elsevier Science Ltd. All rights reserved.
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