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Thirupataiah B, Mounika G, Sujeevan Reddy G, Sandeep Kumar J, Kapavarapu R, Medishetti R, Mudgal J, Mathew JE, Shenoy GG, Mallikarjuna Rao C, Chatti K, V L Parsa K, Pal M. CuCl 2-catalyzed inexpensive, faster and ligand/additive free synthesis of isoquinolin-1(2H)-one derivatives via the coupling-cyclization strategy: Evaluation of a new class of compounds as potential PDE4 inhibitors. Bioorg Chem 2021; 115:105265. [PMID: 34426160 DOI: 10.1016/j.bioorg.2021.105265] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 08/03/2021] [Accepted: 08/08/2021] [Indexed: 12/13/2022]
Abstract
In spite of possessing a wide range of pharmacological properties the anti-inflammatory activities of isoquinolin-1(2H)-ones were rarely known or explored earlier. PDE4 inhibitors on the other hand in addition to their usefulness in treating inflammatory diseases have been suggested to attenuate the cytokine storm in COVID-19 especially TNF-α. In our effort, a new class of isoquinolin-1(2H)-ones derivatives containing an aminosulfonyl moiety were designed and explored as potential inhibitors of PDE4. Accordingly, for the first time a CuCl2-catalyzed inexpensive, faster and ligand/additive free approach has been developed for the synthesis of these predesigned isoquinolin-1(2H)-one derivatives via the coupling-cyclization strategy. Thus, the CuCl2-catalyzed reaction of 2-iodobenzamides with appropriate terminal alkynes proceeded with high chemo and regioselectivity affording the desired compounds in 77-84% yield within 1-1.5 h. The methodology also afforded simpler isoquinolin-1(2H)-ones devoid of aminosulfonyl moiety showing a broader generality and scope of this approach. Several of the synthesized compounds especially 3c, 3k and 3s showed impressive inhibition (83-90%) of PDE4B when tested at 10 µM in vitro whereas compounds devoid of aminosulfonyl moiety was found to be less active. In spite of high inhibition showed at 10 µM these compounds did not show proper concertation dependent inhibition below 1 µM that was reflected in their IC50 values e.g. 2.43 ± 0.32, 3.26 ± 0.24 and 3.63 ± 0.80 µM for 3k, 3o and 3s respectively. The anti-inflammatory potential of these compounds was indicated by their TNF-α inhibition (60-50% at 10 µM). The in silico docking studies of these molecules suggested good interactions with PDE4B and selective inhibition of PDE4B by 3k over PDE4D that was supported by in vitro assay results. These observations together with the favorable ADME and safety predicted for 3kin silico not only suggested 3k as an interesting hit molecule for further studies but also reveal the first example of isoquinolin-1(2H)-one based inhibitor of PDE4B.
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Affiliation(s)
- B Thirupataiah
- Dr. Reddy's Institute of Life Sciences, University of Hyderabad Campus, Gachibowli, Hyderabad 500 046, India; Manipal College of Pharmaceutical Sciences Manipal Academy of Higher Education, Madhav Nagar, Manipal 576 104, Karnataka, India
| | - Guntipally Mounika
- Dr. Reddy's Institute of Life Sciences, University of Hyderabad Campus, Gachibowli, Hyderabad 500 046, India
| | - Gangireddy Sujeevan Reddy
- Dr. Reddy's Institute of Life Sciences, University of Hyderabad Campus, Gachibowli, Hyderabad 500 046, India; Manipal College of Pharmaceutical Sciences Manipal Academy of Higher Education, Madhav Nagar, Manipal 576 104, Karnataka, India
| | - Jetta Sandeep Kumar
- Dr. Reddy's Institute of Life Sciences, University of Hyderabad Campus, Gachibowli, Hyderabad 500 046, India; Manipal College of Pharmaceutical Sciences Manipal Academy of Higher Education, Madhav Nagar, Manipal 576 104, Karnataka, India
| | - Ravikumar Kapavarapu
- Dr. Reddy's Institute of Life Sciences, University of Hyderabad Campus, Gachibowli, Hyderabad 500 046, India
| | - Raghavender Medishetti
- Dr. Reddy's Institute of Life Sciences, University of Hyderabad Campus, Gachibowli, Hyderabad 500 046, India; Manipal College of Pharmaceutical Sciences Manipal Academy of Higher Education, Madhav Nagar, Manipal 576 104, Karnataka, India
| | - Jayesh Mudgal
- Manipal College of Pharmaceutical Sciences Manipal Academy of Higher Education, Madhav Nagar, Manipal 576 104, Karnataka, India
| | - Jessy E Mathew
- Manipal College of Pharmaceutical Sciences Manipal Academy of Higher Education, Madhav Nagar, Manipal 576 104, Karnataka, India
| | - Gautham G Shenoy
- Manipal College of Pharmaceutical Sciences Manipal Academy of Higher Education, Madhav Nagar, Manipal 576 104, Karnataka, India
| | - C Mallikarjuna Rao
- Manipal College of Pharmaceutical Sciences Manipal Academy of Higher Education, Madhav Nagar, Manipal 576 104, Karnataka, India
| | - Kiranam Chatti
- Dr. Reddy's Institute of Life Sciences, University of Hyderabad Campus, Gachibowli, Hyderabad 500 046, India
| | - Kishore V L Parsa
- Dr. Reddy's Institute of Life Sciences, University of Hyderabad Campus, Gachibowli, Hyderabad 500 046, India
| | - Manojit Pal
- Dr. Reddy's Institute of Life Sciences, University of Hyderabad Campus, Gachibowli, Hyderabad 500 046, India.
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Long Q, Zou K, Dong W, Xie D, An D. Palladium-catalyzed oxidative annulation of N-(8-quinolinyl) aryl carboxamides with 1-aryl-2-tosyloxy ethanones. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.1952433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Qinghuang Long
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, China
| | - Keran Zou
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, China
| | - Wanrong Dong
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, China
| | - Dexun Xie
- Aneo Chem-Tech Co., Ltd., Guangzhou, China
| | - Delie An
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, China
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Gong X, Li G, Gan Z, Yan Q, Dou X, Yang D. Sulfonylacetonitriles as Building Blocks in Copper‐Catalyzed Domino Reactions: An Efficient Apporach to Sulfonated Isoquinolin‐1(2
H
)‐ones. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900382] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Xueqin Gong
- School of Chemistry and Chemical EngineeringQufu Normal University Jingxuan Road Qufu 273165 Shandong P. R. China
| | - Guoqing Li
- School of Chemistry and Chemical EngineeringQufu Normal University Jingxuan Road Qufu 273165 Shandong P. R. China
| | - Ziyu Gan
- School of Chemistry and Chemical EngineeringQufu Normal University Jingxuan Road Qufu 273165 Shandong P. R. China
| | - Qiuli Yan
- State Key Laboratory Base of Eco-Chemical Engineering College of Chemistry and Molecular EngineeringQingdao University of Science and Technology Qingdao 266042 P. R. China
- School of Chemistry and Chemical EngineeringQufu Normal University Jingxuan Road Qufu 273165 Shandong P. R. China
| | - Xiaomeng Dou
- School of Chemistry and Chemical EngineeringHunan University of Science and Technology Xiangtan 411201 P. R. China
| | - Daoshan Yang
- State Key Laboratory Base of Eco-Chemical Engineering College of Chemistry and Molecular EngineeringQingdao University of Science and Technology Qingdao 266042 P. R. China
- School of Chemistry and Chemical EngineeringQufu Normal University Jingxuan Road Qufu 273165 Shandong P. R. China
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4
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Yao T, Guo Z, Liang X, Qi L. Regio- and Stereoselective Electrophilic Cyclization Approach for the Protecting-Group-Free Synthesis of Alkaloids Lennoxamine, Chilenine, Fumaridine, 8-Oxypseudoplamatine, and 2-O-(Methyloxy)fagaronine. J Org Chem 2018; 83:13370-13380. [DOI: 10.1021/acs.joc.8b02154] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tuanli Yao
- College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
- Shaaxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi’an 710021, China
| | - Zhen Guo
- College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
| | - Xiujuan Liang
- College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
| | - Lihan Qi
- College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
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Zakharenko AL, Lebedeva NA, Lavrik OI. DNA Repair Enzymes as Promising Targets in Oncotherapy. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2018. [DOI: 10.1134/s1068162017060140] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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6
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Xie C, Dai Z, Niu Y, Ma C. Cascade One-Pot Method To Synthesize Isoquinolin-1(2H)-ones with α-Bromo Ketones and Benzamides via Pd-catalyzed C–H Activation. J Org Chem 2018; 83:2317-2323. [DOI: 10.1021/acs.joc.7b03224] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Caixia Xie
- School
of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People’s Republic of China
| | - Zhen Dai
- School
of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People’s Republic of China
| | - Yadi Niu
- School
of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People’s Republic of China
| | - Chen Ma
- School
of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People’s Republic of China
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People’s Republic of China
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Nathubhai A, Haikarainen T, Hayward PC, Muñoz-Descalzo S, Thompson AS, Lloyd MD, Lehtiö L, Threadgill MD. Structure-activity relationships of 2-arylquinazolin-4-ones as highly selective and potent inhibitors of the tankyrases. Eur J Med Chem 2016; 118:316-27. [PMID: 27163581 DOI: 10.1016/j.ejmech.2016.04.041] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 04/13/2016] [Accepted: 04/15/2016] [Indexed: 01/03/2023]
Abstract
Tankyrases (TNKSs), members of the PARP (Poly(ADP-ribose)polymerases) superfamily of enzymes, have gained interest as therapeutic drug targets, especially as they are involved in the regulation of Wnt signalling. A series of 2-arylquinazolin-4-ones with varying substituents at the 8-position was synthesised. An 8-methyl group (compared to 8-H, 8-OMe, 8-OH), together with a 4'-hydrophobic or electron-withdrawing group, provided the most potency and selectivity towards TNKSs. Co-crystal structures of selected compounds with TNKS-2 revealed that the protein around the 8-position is more hydrophobic in TNKS-2 compared to PARP-1/2, rationalising the selectivity. The NAD(+)-binding site contains a hydrophobic cavity which accommodates the 2-aryl group; in TNKS-2, this has a tunnel to the exterior but the cavity is closed in PARP-1. 8-Methyl-2-(4-trifluoromethylphenyl)quinazolin-4-one was identified as a potent and selective inhibitor of TNKSs and Wnt signalling. This compound and analogues could serve as molecular probes to study proliferative signalling and for development of inhibitors of TNKSs as drugs.
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Affiliation(s)
- Amit Nathubhai
- Medicinal Chemistry, Department of Pharmacy and Pharmacology, University of Bath, Claverton Down, Bath, BA2 7AY, UK.
| | - Teemu Haikarainen
- Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Penelope C Hayward
- Department of Genetics, University of Cambridge, Downing Street, Cambridge, CB2 3EH, UK
| | - Silvia Muñoz-Descalzo
- Department of Biology and Biochemistry, University of Bath, Claverton Down, Bath, BA2 7AY, UK
| | - Andrew S Thompson
- Medicinal Chemistry, Department of Pharmacy and Pharmacology, University of Bath, Claverton Down, Bath, BA2 7AY, UK
| | - Matthew D Lloyd
- Medicinal Chemistry, Department of Pharmacy and Pharmacology, University of Bath, Claverton Down, Bath, BA2 7AY, UK
| | - Lari Lehtiö
- Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Michael D Threadgill
- Medicinal Chemistry, Department of Pharmacy and Pharmacology, University of Bath, Claverton Down, Bath, BA2 7AY, UK
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Exploration of the nicotinamide-binding site of the tankyrases, identifying 3-arylisoquinolin-1-ones as potent and selective inhibitors in vitro. Bioorg Med Chem 2015; 23:5891-908. [PMID: 26189030 DOI: 10.1016/j.bmc.2015.06.061] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Revised: 06/24/2015] [Accepted: 06/25/2015] [Indexed: 12/17/2022]
Abstract
Tankyrases-1 and -2 (TNKS-1 and TNKS-2) have three cellular roles which make them important targets in cancer. Using NAD(+) as a substrate, they poly(ADP-ribosyl)ate TRF1 (regulating lengths of telomeres), NuMA (facilitating mitosis) and axin (in wnt/β-catenin signalling). Using molecular modelling and the structure of the weak inhibitor 5-aminoiso quinolin-1-one, 3-aryl-5-substituted-isoquinolin-1-ones were designed as inhibitors to explore the structure-activity relationships (SARs) for binding and to define the shape of a hydrophobic cavity in the active site. 5-Amino-3-arylisoquinolinones were synthesised by Suzuki-Miyaura coupling of arylboronic acids to 3-bromo-1-methoxy-5-nitro-isoquinoline, reduction and O-demethylation. 3-Aryl-5-methylisoquinolin-1-ones, 3-aryl-5-fluoroisoquinolin-1-ones and 3-aryl-5-methoxyisoquinolin-1-ones were accessed by deprotonation of 3-substituted-N,N,2-trimethylbenzamides and quench with an appropriate benzonitrile. SAR around the isoquinolinone core showed that aryl was required at the 3-position, optimally with a para-substituent. Small meta-substituents were tolerated but groups in the ortho-positions reduced or abolished activity. This was not due to lack of coplanarity of the rings, as shown by the potency of 4,5-dimethyl-3-phenylisoquinolin-1-one. Methyl and methoxy were optimal at the 5-position. SAR was rationalised by modelling and by crystal structures of examples with TNKS-2. The 3-aryl unit was located in a large hydrophobic cavity and the para-substituents projected into a tunnel leading to the exterior. Potency against TNKS-1 paralleled potency against TNKS-2. Most inhibitors were highly selective for TNKSs over PARP-1 and PARP-2. A range of highly potent and selective inhibitors is now available for cellular studies.
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Abstract
DNA damaging agents have an integral role in the treatment of brain tumors. Recent advances in our understanding of how cancer cells repair DNA damage have made it possible to consider modification of the DNA damage response as a way in which resistance to radiotherapy and chemotherapy might be overcome. PARP inhibitors are potent but nontoxic drugs that inhibit repair of DNA single-strand breaks and increase the cytotoxic effects of radiotherapy and alkylating chemotherapy agents, including temozolomide. PARP inhibitors have potential applications in neuro-oncology because there is increasing evidence that their radio- and chemo-sensitizing effects are tumor specific. This review explores the mechanisms of action of PARP inhibitors and describes their putative mechanisms of radio- and chemo-sensitization in the context of CNS oncology. The authors go on to review their development in recent clinical trials, with a focus on glioblastoma.
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Affiliation(s)
- Ross Carruthers
- Institute of Cancer Sciences, University of Glasgow, Switchback Road, Bearsden, Glasgow G12 8QQ, UK
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10
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Woon EC, Sunderland PT, Paine HA, Lloyd MD, Thompson AS, Threadgill MD. One-pot tandem Hurtley–retro-Claisen–cyclisation reactions in the synthesis of 3-substituted analogues of 5-aminoisoquinolin-1-one (5-AIQ), a water-soluble inhibitor of PARPs. Bioorg Med Chem 2013; 21:5218-27. [DOI: 10.1016/j.bmc.2013.06.031] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2013] [Revised: 06/07/2013] [Accepted: 06/12/2013] [Indexed: 12/30/2022]
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Kamboj A, Lu P, Cossoy MB, Stobart JL, Dolhun BA, Kauppinen TM, de Murcia G, Anderson CM. Poly(ADP-ribose) polymerase 2 contributes to neuroinflammation and neurological dysfunction in mouse experimental autoimmune encephalomyelitis. J Neuroinflammation 2013; 10:49. [PMID: 23607899 PMCID: PMC3640934 DOI: 10.1186/1742-2094-10-49] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2012] [Accepted: 04/10/2013] [Indexed: 02/06/2023] Open
Abstract
Background Experimental autoimmune encephalomyelitis (EAE) is an animal model of multiple sclerosis characterized by entry of activated T cells and antigen presenting cells into the central nervous system and subsequent autoimmune destruction of nerve myelin. Previous studies revealed that non-selective inhibition of poly(ADP-ribose) polymerases (PARPs) 1 and 2 protect against neuroinflammation and motor dysfunction associated with EAE, but the role of the PARP-2 isoform has not yet been investigated selectively. Results EAE was induced in mice lacking PARP-2, and neurological EAE signs, blood-spine barrier (BSB) permeability, demyelination and inflammatory infiltration were monitored for 35 days after immunization. Mice lacking PARP-2 exhibited significantly reduced overall disease burden and peak neurological dysfunction. PARP-2 deletion also significantly delayed EAE onset and reduced BSB permeability, demyelination and central nervous system (CNS) markers of proinflammatory Th1 and Th17 T helper lymphocytes. Conclusions This study represents the first description of a significant role for PARP-2 in neuroinflammation and neurological dysfunction in EAE.
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Affiliation(s)
- Amit Kamboj
- Department of Pharmacology and Therapeutics, University of Manitoba, Winnipeg, Canada
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Steffen JD, Coyle DL, Damodaran K, Beroza P, Jacobson MK. Discovery and structure-activity relationships of modified salicylanilides as cell permeable inhibitors of poly(ADP-ribose) glycohydrolase (PARG). J Med Chem 2011; 54:5403-13. [PMID: 21692479 DOI: 10.1021/jm200325s] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The metabolism of poly(ADP-ribose) (PAR) in response to DNA strand breaks, which involves the concerted activities of poly(ADP-ribose) polymerases (PARPs) and poly(ADP-ribose) glycohydrolase (PARG), modulates cell recovery or cell death depending upon the level of DNA damage. While PARP inhibitors show high promise in clinical trials because of their low toxicity and selectivity for BRCA related cancers, evaluation of the therapeutic potential of PARG is limited by the lack of well-validated cell permeable inhibitors. In this study, target-related affinity profiling (TRAP), an alternative to high-throughput screening, was used to identify a number of druglike compounds from several chemical classes that demonstrated PARG inhibition in the low-micromolar range. A number of analogues of one of the most active chemotypes were synthesized to explore the structure-activity relationship (SAR) for that series. This led to the discovery of a putative pharmacophore for PARG inhibition that contains a modified salicylanilide structure. Interestingly, these compounds also inhibit PARP-1, indicating strong homology in the active sites of PARG and PARP-1 and raising a new challenge for development of PARG specific inhibitors. The cellular activity of a lead inhibitor was demonstrated by the inhibition of both PARP and PARG activity in squamous cell carcinoma cells, although preferential inhibition of PARG relative to PARP was observed. The ability of inhibitors to modulate PAR metabolism via simultaneous effects on PARPs and PARG may represent a new approach for therapeutic development.
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Affiliation(s)
- Jamin D Steffen
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, Arizona 85724, United States
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