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Chambers RK, Weaver JD, Kim J, Hoar JL, Krska SW, White MC. A preparative small-molecule mimic of liver CYP450 enzymes in the aliphatic C-H oxidation of carbocyclic N-heterocycles. Proc Natl Acad Sci U S A 2023; 120:e2300315120. [PMID: 37428920 PMCID: PMC10629554 DOI: 10.1073/pnas.2300315120] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 05/15/2023] [Indexed: 07/12/2023] Open
Abstract
An emerging trend in small-molecule pharmaceuticals, generally composed of nitrogen heterocycles (N-heterocycles), is the incorporation of aliphatic fragments. Derivatization of the aliphatic fragments to improve drug properties or identify metabolites often requires lengthy de novo syntheses. Cytochrome P450 (CYP450) enzymes are capable of direct site- and chemo-selective oxidation of a broad range of substrates but are not preparative. A chemoinformatic analysis underscored limited structural diversity of N-heterocyclic substrates oxidized using chemical methods relative to pharmaceutical chemical space. Here, we describe a preparative chemical method for direct aliphatic oxidation that tolerates a wide range of nitrogen functionality (chemoselective) and matches the site of oxidation (site-selective) of liver CYP450 enzymes. Commercial small-molecule catalyst Mn(CF3-PDP) selectively effects direct methylene oxidation in compounds bearing 25 distinct heterocycles including 14 out of 27 of the most frequent N-heterocycles found in U.S. Food and Drug Administration (FDA)-approved drugs. Mn(CF3-PDP) oxidations of carbocyclic bioisostere drug candidates (for example, HCV NS5B and COX-2 inhibitors including valdecoxib and celecoxib derivatives) and precursors of antipsychotic drugs blonanserin, buspirone, and tiospirone and the fungicide penconazole are demonstrated to match the major site of aliphatic metabolism obtained with liver microsomes. Oxidations are demonstrated at low Mn(CF3-PDP) loadings (2.5 to 5 mol%) on gram scales of substrate to furnish preparative amounts of oxidized products. A chemoinformatic analysis supports that Mn(CF3-PDP) significantly expands the pharmaceutical chemical space accessible to small-molecule C-H oxidation catalysis.
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Affiliation(s)
- Rachel K. Chambers
- Department of Chemistry, Roger Adams Laboratory, University of Illinois, Urbana, IL61801
| | - Jacob D. Weaver
- Department of Chemistry, Roger Adams Laboratory, University of Illinois, Urbana, IL61801
| | - Jinho Kim
- Department of Chemistry, Roger Adams Laboratory, University of Illinois, Urbana, IL61801
| | - Jason L. Hoar
- Department of Discovery Chemistry, Merck & Co., Inc., Rahway, NJ07065
| | - Shane W. Krska
- Department of Discovery Chemistry, Merck & Co., Inc., Rahway, NJ07065
| | - M. Christina White
- Department of Chemistry, Roger Adams Laboratory, University of Illinois, Urbana, IL61801
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Computational and Experimental Investigation of Immobilization of CuI Nanoparticles on 3-Aminopyridine Modified Poly(styrene-co-maleic anhydride) and Its Catalytic Application in Regioselective Synthesis of 1,2,3-Triazoles. J Inorg Organomet Polym Mater 2017. [DOI: 10.1007/s10904-017-0530-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Murumkar PR, Shinde AC, Sharma MK, Yamaguchi H, Miniyar PB, Yadav MR. Development of a credible 3D-QSAR CoMSIA model and docking studies for a series of triazoles and tetrazoles containing 11β-HSD1 inhibitors. SAR AND QSAR IN ENVIRONMENTAL RESEARCH 2016; 27:265-292. [PMID: 27094303 DOI: 10.1080/1062936x.2016.1167774] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Type 2 diabetes mellitus is described by insulin resistance and high fasting blood glucose. Increased levels of 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) enzyme result in insulin resistance and metabolic syndrome. Inhibition of 11β-HSD1 decreases glucose production and increases hepatic insulin sensitivity. Use of selective 11β-HSD1 inhibitors could prove to be an effective strategy for the treatment of the disease. It was decided to identify the essential structural features required by any compound to possess 11β-HSD1 inhibitory activity. A dataset of 139 triazoles and tetrazoles having 11β-HSD1 inhibitory activity was used for the development of a 3D-QSAR model. The best comparative molecular field analysis (CoMFA) model was generated with databased alignment, which was further used for comparative molecular similarity indices analysis (CoMSIA). The optimal CoMSIA model showed [Formula: see text] = 0.809 with five components, [Formula: see text] = 0.931, SEE = 0.323 and F-value = 249.126. The CoMSIA model offered better prediction than the CoMFA model with [Formula: see text] = 0.522 and 0.439, respectively, indicating that the CoMSIA model appeared to be a better one for the prediction of activity for the newly designed 11β-HSD1 inhibitors. The selectivity aspect of 11β-HSD1 over 11β-HSD2 was studied with the help of docking studies.
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Affiliation(s)
- P R Murumkar
- a Faculty of Pharmacy , The Maharaja Sayajirao University of Baroda , Vadodara , India
- b Sinhgad Institute of Pharmacy , Narhe , India
| | - A C Shinde
- b Sinhgad Institute of Pharmacy , Narhe , India
| | - M K Sharma
- a Faculty of Pharmacy , The Maharaja Sayajirao University of Baroda , Vadodara , India
- b Sinhgad Institute of Pharmacy , Narhe , India
| | - H Yamaguchi
- c Department of Pharmacy , Meijo University , Nagoya , Japan
| | - P B Miniyar
- b Sinhgad Institute of Pharmacy , Narhe , India
| | - M R Yadav
- a Faculty of Pharmacy , The Maharaja Sayajirao University of Baroda , Vadodara , India
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Core chemotype diversification in the HIV-1 entry inhibitor class using field-based bioisosteric replacement. Bioorg Med Chem Lett 2015; 26:228-34. [PMID: 26531151 DOI: 10.1016/j.bmcl.2015.10.080] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Revised: 10/23/2015] [Accepted: 10/26/2015] [Indexed: 11/20/2022]
Abstract
Demand remains for new inhibitors of HIV-1 replication and the inhibition of HIV-1 entry is an extremely attractive therapeutic approach. Using field-based bioisosteric replacements, we have further extended the chemotypes available for development in the HIV-1 entry inhibitor class. Moreover, using field-based disparity analysis of the compounds, 3D structure-activity relationships were derived that will be useful in the further development of these inhibitors towards clinical utility.
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Discovery and optimization of novel small-molecule HIV-1 entry inhibitors using field-based virtual screening and bioisosteric replacement. Bioorg Med Chem Lett 2015; 24:5439-45. [PMID: 25454268 DOI: 10.1016/j.bmcl.2014.10.027] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Revised: 10/06/2014] [Accepted: 10/08/2014] [Indexed: 11/22/2022]
Abstract
With the emergence of drug-resistant strains and the cumulative toxicities associated with current therapies, demand remains for new inhibitors of HIV-1 replication. The inhibition of HIV-1 entry is an attractive, yet underexploited therapeutic approach with implications for salvage and preexposure prophylactic regimens, as well as topical microbicides. Using the combination of a field-derived bioactive conformation template to perform virtual screening and iterative bioisosteric replacements, coupled with in silico predictions of absorption, distribution, metabolism, and excretion, we have identified new leads for HIV-1 entry inhibitors.
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One-pot click synthesis of 1,2,3-triazole-embedded unsaturated uracil derivatives and hybrids of 1,5- and 2,5-disubstituted tetrazoles and pyrimidines. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.01.152] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Hwang S, Park H, Kwon Y, Kim S. Acid promoted cyclodehydration of amino alcohols with amide acetal. RSC Adv 2014. [DOI: 10.1039/c4ra10625c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Intramolecular N-alkylation of amino alcohols using an amide acetal was developed that is widely applicable to the formation of azaheterocycles.
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Affiliation(s)
- Soonho Hwang
- College of Pharmacy
- Seoul National University
- Seoul 151-742, Korea
| | - Heemin Park
- College of Pharmacy
- Seoul National University
- Seoul 151-742, Korea
| | - Yongseok Kwon
- College of Pharmacy
- Seoul National University
- Seoul 151-742, Korea
| | - Sanghee Kim
- College of Pharmacy
- Seoul National University
- Seoul 151-742, Korea
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Scott JS, Goldberg FW, Turnbull AV. Medicinal Chemistry of Inhibitors of 11β-Hydroxysteroid Dehydrogenase Type 1 (11β-HSD1). J Med Chem 2013; 57:4466-86. [DOI: 10.1021/jm4014746] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- James S. Scott
- AstraZeneca Innovative Medicines, Mereside, Alderley Park, Macclesfield, Cheshire, SK10 4TG, U.K
| | - Frederick W. Goldberg
- AstraZeneca Innovative Medicines, Mereside, Alderley Park, Macclesfield, Cheshire, SK10 4TG, U.K
| | - Andrew V. Turnbull
- AstraZeneca Innovative Medicines, Mereside, Alderley Park, Macclesfield, Cheshire, SK10 4TG, U.K
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Kaplancıklı ZA, Yurttaş L, Özdemir A, Turan-Zitouni G, Çiftçi GA, Yıldırım ŞU, Mohsen UA. Synthesis and antiproliferative activity of new 1,5-disubstituted tetrazoles bearing hydrazone moiety. Med Chem Res 2013. [DOI: 10.1007/s00044-013-0717-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Kaplancikli ZA, Yurttaş L, Özdemir A, Turan-Zitouni G, Işcan G, Akalın G, Abu Mohsen U. Synthesis, anticandidal activity and cytotoxicity of some tetrazole derivatives. J Enzyme Inhib Med Chem 2013; 29:43-8. [PMID: 23323990 DOI: 10.3109/14756366.2012.752363] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
In this study, 14 different 2-[(1-methyl-1H-tetrazole-5-yl)thio]-1-(phenyl)ethanone derivatives (1-14) were synthesized. The structures of the obtained compounds were elucidated using IR, (1)H-NMR, (13)C-NMR and FAB(+)-MS spectral data and elemental analyses results. The compounds were screened for their anticandidal activity using the microbroth dilution method and for their cytotoxic effects using the MTT assay against NIH/3T3 cells. Some of the compounds were found to be potent anticandidal agents with weak cytotoxicities.
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Affiliation(s)
- Zafer Asim Kaplancikli
- Department of Pharmaceutical Chemistry, Graduate School of Health Sciences, Anadolu University , Eskisehir , Turkey
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Pereira CD, Azevedo I, Monteiro R, Martins MJ. 11β-Hydroxysteroid dehydrogenase type 1: relevance of its modulation in the pathophysiology of obesity, the metabolic syndrome and type 2 diabetes mellitus. Diabetes Obes Metab 2012; 14:869-81. [PMID: 22321826 DOI: 10.1111/j.1463-1326.2012.01582.x] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Recent evidence strongly argues for a pathogenic role of glucocorticoids and 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) in obesity and the metabolic syndrome, a cluster of risk factors for atherosclerotic cardiovascular disease and type 2 diabetes mellitus (T2DM) that includes insulin resistance (IR), dyslipidaemia, hypertension and visceral obesity. This has been partially prompted not only by the striking clinical resemblances between the metabolic syndrome and Cushing's syndrome (a state characterized by hypercortisolism that associates with metabolic syndrome components) but also from monogenic rodent models for the metabolic syndrome (e.g. the leptin-deficient ob/ob mouse or the leptin-resistant Zucker rat) that display overall increased secretion of glucocorticoids. However, systemic circulating glucocorticoids are not elevated in obese patients and/or patients with metabolic syndrome. The study of the role of 11β-HSD system shed light on this conundrum, showing that local glucocorticoids are finely regulated in a tissue-specific manner at the pre-receptor level. The system comprises two microsomal enzymes that either activate cortisone to cortisol (11β-HSD1) or inactivate cortisol to cortisone (11β-HSD2). Transgenic rodent models, knockout (KO) for HSD11B1 or with HSD11B1 or HSD11B2 overexpression, specifically targeted to the liver or adipose tissue, have been developed and helped unravel the currently undisputable role of the enzymes in metabolic syndrome pathophysiology, in each of its isolated components and in their prevention. In the transgenic HSD11B1 overexpressing models, different features of the metabolic syndrome and obesity are replicated. HSD11B1 gene deficiency or HSD11B2 gene overexpression associates with improvements in the metabolic profile. In face of these demonstrations, research efforts are now being turned both into the inhibition of 11β-HSD1 as a possible pharmacological target and into the role of dietary habits on the establishment or the prevention of the metabolic syndrome, obesity and T2DM through 11β-HSD1 modulation. We intend to review and discuss 11β-HSD1 and obesity, the metabolic syndrome and T2DM and to highlight the potential of its inhibition for therapeutic or prophylactic approaches in those metabolic diseases.
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Affiliation(s)
- C D Pereira
- Department of Biochemistry (U38/FCT), Faculty of Medicine, University of Porto, Portugal
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Malik MA, Al-Thabaiti SA, Malik MA. Synthesis, structure optimization and antifungal screening of novel tetrazole ring bearing acyl-hydrazones. Int J Mol Sci 2012; 13:10880-10898. [PMID: 23109826 PMCID: PMC3472718 DOI: 10.3390/ijms130910880] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2012] [Revised: 07/30/2012] [Accepted: 08/11/2012] [Indexed: 01/09/2023] Open
Abstract
Azoles are generally fungistatic, and resistance to fluconazole is emerging in several fungal pathogens. In an attempt to find novel azole antifungal agents with improved activity, a series of tetrazole ring bearing acylhydrazone derivatives were synthesized and screened for their in vitro antifungal activity. The mechanism of their antifungal activity was assessed by studying their effect on the plasma membrane using flow cytometry and determination of the levels of ergosterol, a fungal-specific sterol. Propidium iodide rapidly penetrated a majority of yeast cells when they were treated with the synthesized compounds at concentrations just above MIC, implying that fungicidal activity resulted from extensive lesions of the plasma membrane. Target compounds also caused a considerable reduction in the amount of ergosterol. The results also showed that the presence and position of different substituents on the phenyl ring of the acylhydrazone pendant seem to play a role on the antifungal activity as well as in deciding the fungistatic and fungicidal nature of the compounds.
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Affiliation(s)
- Maqsood Ahmad Malik
- Department of Chemistry, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21413, Saudi Arabia; E-Mail:
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +966-549347193; Fax: +966-26952292
| | - Shaeel Ahmed Al-Thabaiti
- Department of Chemistry, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21413, Saudi Arabia; E-Mail:
| | - Manzoor A. Malik
- Department of Chemistry, Jamia Millia Islamia (Central University), New Delhi, 110025, India; E-Mail:
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Wani MY, Bhat AR, Azam A, Lee DH, Choi I, Athar F. Synthesis and in vitro evaluation of novel tetrazole embedded 1,3,5-trisubstituted pyrazoline derivatives as Entamoeba histolytica growth inhibitors. Eur J Med Chem 2012; 54:845-54. [DOI: 10.1016/j.ejmech.2012.03.049] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2012] [Revised: 03/23/2012] [Accepted: 03/26/2012] [Indexed: 11/26/2022]
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Wani MY, Bhat AR, Azam A, Choi I, Athar F. Probing the antiamoebic and cytotoxicity potency of novel tetrazole and triazine derivatives. Eur J Med Chem 2012; 48:313-20. [DOI: 10.1016/j.ejmech.2011.12.033] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2011] [Revised: 12/09/2011] [Accepted: 12/20/2011] [Indexed: 11/15/2022]
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Penning TM. Human hydroxysteroid dehydrogenases and pre-receptor regulation: insights into inhibitor design and evaluation. J Steroid Biochem Mol Biol 2011; 125:46-56. [PMID: 21272640 PMCID: PMC3104102 DOI: 10.1016/j.jsbmb.2011.01.009] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2010] [Revised: 01/18/2011] [Accepted: 01/18/2011] [Indexed: 11/16/2022]
Abstract
Hydroxysteroid dehydrogenases (HSDs) represent a major class of NAD(P)(H) dependent steroid hormone oxidoreductases involved in the pre-receptor regulation of hormone action. This is achieved by HSDs working in pairs so that they can interconvert ketosteroids with hydroxysteroids resulting in a change in ligand potency for nuclear receptors. HSDs belong to two protein superfamilies the aldo-keto reductases and the short-chain dehydrogenase/reductases. In humans, many of the important enzymes have been thoroughly characterized including the elucidation of their three-dimensional structures. Because these enzymes play fundamental roles in steroid hormone action they can be considered to be drug targets for a variety of steroid driven diseases, e.g. metabolic syndrome and obesity, inflammation, and hormone dependent malignancies of the endometrium, prostate and breast. This article will review how fundamental knowledge of these enzymes can be exploited in the development of isoform specific HSD inhibitors from both protein superfamilies. Article from the Special issue on Targeted Inhibitors.
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Affiliation(s)
- Trevor M Penning
- Center of Excellence in Environmental Toxicology, Department of Pharmacology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104-6084, USA.
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