Pyrazolylbenzo[d]imidazoles as new potent and selective inhibitors of carbonic anhydrase isoforms hCA IX and XII |
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| Institution: | 1. Department of Chemistry, Kurukshetra University, Kurukshetra 136119, India;2. Università degli Studi di Firenze, Laboratorio di Chimica Bioinorganica, Rm 188, and Neurofarba Department, Sezione di Scienze Farmaceutiche, Via U. Schiff 6, I-50019 Sesto Fiorentino (Firenze), Italy;3. Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy;1. Chemistry Department, Faculty of Arts and Science, Dumlupınar University, 43100 Kütahya, Turkey;2. Università degli Studi di Firenze, NEUROFARBA Dept., Sezione di Scienze Farmaceutiche e Nutraceutiche, 50019 Sesto Fiorentino (Florence), Italy;3. Biochemistry Department, Faculty of Arts and Science, Dumlupınar University, 43100 Kütahya, Turkey;1. Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Egyptian Russian University, Badr City, Cairo, P.O. Box 11829, Egypt;2. Department of Chemistry, Laboratory of Bioinorganic Chemistry, University of Florence, Polo Scientifico, Via della Lastruccia 3, 50019 Sesto Fiorentino Firenze, Italy;3. Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia;4. Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, P.O. Box 11562, Egypt;5. Department of Applied Organic Chemistry, National Research Center, Dokki, Giza, P.O. Box 12622, Egypt;6. Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain Shams University, Cairo, Abbassia, P.O. Box 11566, Egypt;7. Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Polo Scientifico, Via U. Schiff 6, 50019 Sesto Fiorentino, Firenze, Italy;1. Saint Petersburg State University, Saint Petersburg 199034, Russian Federation;2. Department of Organic Chemistry, Faculty of Science, RUDN University, 117198, Russian Federation;3. The Ushinsky Yaroslavl State Pedagogical University, Yaroslavl 150000, Russian Federation;4. Department of Pharmacy, University of Pisa, 56126 Pisa, Italy;5. Neurofarba Department, Universita degli Studi di Firenze, Florence, Italy;1. Department of Chemistry, Kurukshetra University, Kurukshetra 136119, India;2. Università degli Studi di Firenze, Laboratorio di Chimica Bioinorganica, Rm 188, and Neurofarba Department, Sezione di Scienze Farmaceutiche, Via U. Schiff 6, I-50019 Sesto Fiorentino (Firenze), Italy;1. Department of Chemistry, Kurukshetra University, Kurukshetra, Haryana, 136119, India;2. Government College Bherian, Pehowa, Kurukshetra, Haryana, 136128, India;3. Ch. Mani Ram Godara Government College for Women, Bhodia Khera, Fatehabad, Haryana, 125050, India;4. NEUROFARBA Department, Pharmaceutical and Nutraceutical Section, University of Firenze, Via U. Schiff 6, 50019, Sesto Fiorentino, Firenze, Italy;5. NEUROFARBA Department, Pharmaceutical and Nutraceutical Section, Laboratory of Molecular Modeling Cheminformatics & QSAR, University of Firenze, Via U. Schiff 6, 50019, Sesto Fiorentino, Firenze, Italy |
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| Abstract: | Novel pyrazolylbenzod]imidazole derivatives (2a–2f) were designed, synthesized and evaluated against four human carbonic anhydrase isoforms belonging to α family comprising of two cytosolic isoforms hCA I and II as well as two transmembrane tumor associated isoforms hCA IX and XII. Starting from these derivatives that showed high potency but low selectivity in favor of tumor associated isoforms hCA IX and XII, we investigated the impact of removing the sulfonamide group. Thus, analogs 3a–3f without sulfonamide moiety were synthesized and biological assay revealed a good activity as well as an excellent selectivity as inhibitors for tumor associated hCA IX and hCA XII and the same was analyzed by molecular docking studies. |
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| Keywords: | Carbonic anhydrase isoforms Acetazolamide |
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