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Publication Abstract from PubMed

Structure-based design, synthesis, X-ray structural studies, and biological evaluation of a new series of potent HIV-1 protease inhibitors are described. These inhibitors contain various pyridyl-pyrimidine, aryl thiazole or alkylthiazole derivatives as the P2 ligands in combination with darunavir-like hydroxyethylamine sulfonamide isosteres. These heterocyclic ligands are inherent to kinase inhibitor drugs, such as nilotinib and imatinib. These ligands are designed to make hydrogen bonding interactions with the backbone atoms in the S2 subsite of HIV-1 protease. Various benzoic acid derivatives have been synthesized and incorporation of these ligands provided potent inhibitors that exhibited subnanomolar level protease inhibitory activity and low nanomolar level antiviral activity. Two high resolution X-ray structures of inhibitor-bound HIV-1 protease were determined. These structures provided important ligand-binding site interactions for further optimization of this class of protease inhibitors.

Exploration of imatinib and nilotinib-derived templates as the P2-Ligand for HIV-1 protease inhibitors: Design, synthesis, protein X-ray structural studies, and biological evaluation.,Ghosh AK, Mishevich JL, Kovela S, Shaktah R, Ghosh AK, Johnson M, Wang YF, Wong-Sam A, Agniswamy J, Amano M, Takamatsu Y, Hattori SI, Weber IT, Mitsuya H Eur J Med Chem. 2023 Jul 5;255:115385. doi: 10.1016/j.ejmech.2023.115385. Epub , 2023 Apr 21. PMID:37150084^[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.