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Triflamides and Triflimides: Synthesis and Applications. Molecules 2022; 27:molecules27165201. [PMID: 36014447 PMCID: PMC9414225 DOI: 10.3390/molecules27165201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 11/24/2022] Open
Abstract
Among the variety of sulfonamides, triflamides (CF3SO2NHR, TfNHR) occupy a special position in organic chemistry. Triflamides are widely used as reagents, efficient catalysts or additives in numerous reactions. The reasons for the widespread use of these compounds are their high NH-acidity, lipophilicity, catalytic activity and specific chemical properties. Their strong electron-withdrawing properties and low nucleophilicity, combined with their high NH-acidity, makes it possible to use triflamides in a vast variety of organic reactions. This review is devoted to the synthesis and use of N-trifluoromethanesulfonyl derivatives in organic chemistry, medicine, biochemistry, catalysis and agriculture. Part of the work is a review of areas and examples of the use of bis(trifluoromethanesulfonyl)imide (triflimide, (CF3SO2)2NH, Tf2NH). Being one of the strongest NH-acids, triflimide, and especially its salts, are widely used as catalysts in cycloaddition reactions, Friedel–Crafts reactions, condensation reactions, heterocyclization and many others. Triflamides act as a source of nitrogen in C-amination (sulfonamidation) reactions, the products of which are useful building blocks in organic synthesis, catalysts and ligands in metal complex catalysis, and have found applications in medicine. The addition reactions of triflamide in the presence of oxidizing agents to alkenes and dienes are considered separately.
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Xiang W, Zhao L, Han X, Qin C, Miao B, McEachern D, Wang Y, Metwally H, Kirchhoff PD, Wang L, Matvekas A, He M, Wen B, Sun D, Wang S. Discovery of ARD-2585 as an Exceptionally Potent and Orally Active PROTAC Degrader of Androgen Receptor for the Treatment of Advanced Prostate Cancer. J Med Chem 2021; 64:13487-13509. [PMID: 34473519 PMCID: PMC8855934 DOI: 10.1021/acs.jmedchem.1c00900] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
We report herein the discovery of exceptionally potent and orally bioavailable PROTAC AR degraders with ARD-2585 being the most promising compound. ARD-2585 achieves DC50 values of ≤0.1 nM in the VCaP cell line with AR gene amplification and in the LNCaP cell line carrying an AR mutation. It potently inhibits cell growth with IC50 values of 1.5 and 16.2 nM in the VCaP and LNCaP cell lines, respectively, and achieves excellent pharmacokinetics and 51% of oral bioavailability in mice. It is more efficacious than enzalutamide in inhibition of VCaP tumor growth and does not cause any sign of toxicity in mice. ARD-2585 is a promising AR degrader for extensive investigations for the treatment of advanced prostate cancer.
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Affiliation(s)
- Weiguo Xiang
- The Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Lijie Zhao
- The Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Xin Han
- The Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Chong Qin
- The Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Bukeyan Miao
- The Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Donna McEachern
- The Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Yu Wang
- The Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Hoda Metwally
- The Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Paul D Kirchhoff
- The Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Lu Wang
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Aleksas Matvekas
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Miao He
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Bo Wen
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Duxin Sun
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Shaomeng Wang
- The Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Pharmacology, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Medicinal Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
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Ghaffar A, Sehgal SA, Fatima R, Batool R, Aimen U, Awan S, Batool S, Ahmad F, Nurulain SM. Molecular docking analyses of CYP450 monooxygenases of Tribolium castaneum (Herbst) reveal synergism of quercetin with paraoxon and tetraethyl pyrophosphate: in vivo and in silico studies. Toxicol Res (Camb) 2020; 9:212-221. [PMID: 32670552 PMCID: PMC7329183 DOI: 10.1093/toxres/tfaa023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 03/17/2020] [Accepted: 03/25/2020] [Indexed: 12/13/2022] Open
Abstract
Pest management in stored grain industry is a global issue due to the development of insecticide resistance in stored grain insect pests. Excessive use of insecticides at higher doses poses a serious threat of food contamination and residual toxicity for grain consumers. Since the development of new pesticide incurs heavy costs, identifying an effective synergist can provide a ready and economical tool for controlling resistant pest populations. Therefore, the synergistic property of quercetin with paraoxon and tetraethyl pyrophosphate has been evaluated against the larvae and adults of Tribolium castaneum (Herbst). Comparative molecular docking analyses were carried out to further identify the possible mechanism of synergism. It was observed that quercetin has no insecticidal when applied at the rate of 1.5 and 3.0 mg/g; however, a considerable synergism was observed when applied in combination with paraoxon. The comparative molecular docking analyses of CYP450 monooxygenase (CYP15A1, CYP6BR1, CYP6BK2, CYP6BK3) family were performed with quercetin, paraoxon and tetraethyl pyrophosphate which revealed considerable molecular interactions, predicting the inhibition of CYP450 isoenzyme by all three ligands. The study concludes that quercetin may be an effective synergist for organophosphate pesticides depending upon the dose and type of the compound. In addition, in silico analyses of the structurally diversified organophosphates can effectively differentiate the organophosphates which are synergistic with quercetin.
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Affiliation(s)
- Ammarah Ghaffar
- Department of Biosciences, COMSATS University Islamabad, Park Road, Tarlai Kalan, Islamabad 45550, Pakistan
| | - Sheikh Arslan Sehgal
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Kotwali Rd, Gurunanakpura, Faisalabad 38000, Pakistan
| | - Rida Fatima
- Department of Biosciences, COMSATS University Islamabad, Park Road, Tarlai Kalan, Islamabad 45550, Pakistan
| | - Roya Batool
- Department of Biosciences, COMSATS University Islamabad, Park Road, Tarlai Kalan, Islamabad 45550, Pakistan
| | - Ume Aimen
- Department of Biosciences, COMSATS University Islamabad, Park Road, Tarlai Kalan, Islamabad 45550, Pakistan
| | - Sliha Awan
- Department of Biosciences, COMSATS University Islamabad, Park Road, Tarlai Kalan, Islamabad 45550, Pakistan
| | - Sajida Batool
- Department of Biosciences, COMSATS University Islamabad, Park Road, Tarlai Kalan, Islamabad 45550, Pakistan
| | - Faheem Ahmad
- Department of Biosciences, COMSATS University Islamabad, Park Road, Tarlai Kalan, Islamabad 45550, Pakistan
| | - Syed M Nurulain
- Department of Biosciences, COMSATS University Islamabad, Park Road, Tarlai Kalan, Islamabad 45550, Pakistan
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Mustafa G, Nandekar PP, Bruce NJ, Wade RC. Differing Membrane Interactions of Two Highly Similar Drug-Metabolizing Cytochrome P450 Isoforms: CYP 2C9 and CYP 2C19. Int J Mol Sci 2019; 20:ijms20184328. [PMID: 31487853 PMCID: PMC6770661 DOI: 10.3390/ijms20184328] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 08/31/2019] [Accepted: 09/01/2019] [Indexed: 12/22/2022] Open
Abstract
The human cytochrome P450 (CYP) 2C9 and 2C19 enzymes are two highly similar isoforms with key roles in drug metabolism. They are anchored to the endoplasmic reticulum membrane by their N-terminal transmembrane helix and interactions of their cytoplasmic globular domain with the membrane. However, their crystal structures were determined after N-terminal truncation and mutating residues in the globular domain that contact the membrane. Therefore, the CYP-membrane interactions are not structurally well-characterized and their dynamics and the influence of membrane interactions on CYP function are not well understood. We describe herein the modeling and simulation of CYP 2C9 and CYP 2C19 in a phospholipid bilayer. The simulations revealed that, despite high sequence conservation, the small sequence and structural differences between the two isoforms altered the interactions and orientations of the CYPs in the membrane bilayer. We identified residues (including K72, P73, and I99 in CYP 2C9 and E72, R73, and H99 in CYP 2C19) at the protein-membrane interface that contribute not only to the differing orientations adopted by the two isoforms in the membrane, but also to their differing substrate specificities by affecting the substrate access tunnels. Our findings provide a mechanistic interpretation of experimentally observed effects of mutagenesis on substrate selectivity.
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Affiliation(s)
- Ghulam Mustafa
- Molecular and Cellular Modeling Group, Heidelberg Institute for Theoretical Studies (HITS), 69118 Heidelberg, Germany
- Zentrum für Molekulare Biologie der Universität Heidelberg, DKFZ-ZMBH Alliance, 69120 Heidelberg, Germany
| | - Prajwal P Nandekar
- Molecular and Cellular Modeling Group, Heidelberg Institute for Theoretical Studies (HITS), 69118 Heidelberg, Germany
- Zentrum für Molekulare Biologie der Universität Heidelberg, DKFZ-ZMBH Alliance, 69120 Heidelberg, Germany
| | - Neil J Bruce
- Molecular and Cellular Modeling Group, Heidelberg Institute for Theoretical Studies (HITS), 69118 Heidelberg, Germany
| | - Rebecca C Wade
- Molecular and Cellular Modeling Group, Heidelberg Institute for Theoretical Studies (HITS), 69118 Heidelberg, Germany.
- Zentrum für Molekulare Biologie der Universität Heidelberg, DKFZ-ZMBH Alliance, 69120 Heidelberg, Germany.
- Interdisciplinary Center for Scientific Computing (IWR), Heidelberg University, 69120 Heidelberg, Germany.
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