Abstract:
:In continuation of our studies, we here report a series of non-carboxylic acid containing 2,4-thiazolidinedione derivatives, analogues of previously synthesized carboxylic acids which we had found to be very active in vitro aldose reductase (ALR2) inhibitors. Although the replacement of the carboxylic group with the carboxamide or N-hydroxycarboxamide one decreased the in vitro ALR2 inhibitory effect, this led to the identification of mainly non-ionized derivatives with micromolar ALR2 affinity. The 5-arylidene moiety deeply influenced the activity of these 2,4-thiazolidinediones. Our induced-fit docking studies suggested that 5-(4-hydroxybenzylidene)-substituted derivatives may bind the polar recognition region of the ALR2 active site by means of the deprotonated phenol group, while their acetic chain and carbonyl group at position 2 of the thiazolidinedione ring form a tight net of hydrogen bonds with amino acid residues of the lipophilic specificity pocket of the enzyme.
journal_name
Bioorg Med Chemjournal_title
Bioorganic & medicinal chemistryauthors
Maccari R,Ottanà R,Ciurleo R,Rakowitz D,Matuszczak B,Laggner C,Langer Tdoi
10.1016/j.bmc.2008.04.072subject
Has Abstractpub_date
2008-06-01 00:00:00pages
5840-52issue
11eissn
0968-0896issn
1464-3391pii
S0968-0896(08)00417-3journal_volume
16pub_type
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