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Peng J, Li S, Huang J, Meng Q, Wang L, Xin W, Li W, Zhou W, Zhang L. Construction of Imidazole-Fused-Ring Systems by Iron-Catalyzed C(sp 3)-H Amination-Cyclization under Aerobic Conditions. J Org Chem 2023; 88:16581-16588. [PMID: 37976463 DOI: 10.1021/acs.joc.3c02078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
An iron-catalyzed efficient C-H amination for the construction of imidazole-fused-ring systems was developed under aerobic conditions. Compared to previous studies, this work exhibited green features. The reaction was conducted in the green solvent anisole, with water as the only byproduct. Four C(sp3)-H bonds were cleaved and three C-N bonds were formed in this transformation. Imidazo[1,5-a]pyridine-, imidazo[5,1-b]oxazole-, imidazo[5,1-b]thiazole-, imidazo[1,5-a]pyrazine-, and imidazo[1,5-a]imidazole-related N-heterocycles were obtained in acceptable-to-excellent yield.
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Affiliation(s)
- Jiangling Peng
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
| | - Shijia Li
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
| | - Junwei Huang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
| | - Qianli Meng
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
| | - Lixin Wang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
| | - Wenlong Xin
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
| | - Weini Li
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute of City of Hope, Duarte, California91010, United States
| | - Wei Zhou
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
| | - Lanyue Zhang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
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Benzimidazole-linked pyrazolo[1,5-a]pyrimidine conjugates: synthesis and detail evaluation as potential anticancer agents. Mol Divers 2022:10.1007/s11030-022-10481-x. [DOI: 10.1007/s11030-022-10481-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 06/08/2022] [Indexed: 11/28/2022]
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Mahajan S, Sawant SD. Iodine/TBHP-Mediated One-Pot Multicomponent Protocol for Tandem C-N and C-S Bond Formation To Access Sulfenylimidazo[1,5- a]pyridines via C-H Functionalization. J Org Chem 2022; 87:11387-11398. [PMID: 35960193 DOI: 10.1021/acs.joc.2c00890] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A mild and simple protocol has been established for the formation of sulfenylated imidazo[1,5-a]pyridines. This is a metal-free iodine/TBHP-mediated one-pot multicomponent reaction, which follows C-H functionalization of the imidazo[1,5-a]pyridine skeleton formed during the reaction and its subsequent sulfenylation in the same step to offer sulfenylated imidazo[1,5-a]pyridines in good to high yields. The extension and applications of this method have also been demonstrated.
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Affiliation(s)
- Shivangani Mahajan
- Natural Products and Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, Jammu & Kashmir 180001, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, UP 201002, India
| | - Sanghapal D Sawant
- Natural Products and Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, Jammu & Kashmir 180001, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, UP 201002, India
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Sun Q, Hu S, Song Y, Zhu R, Li L, Li J, Zhang T, Gao Q, Wang Y, Fang L. Total Synthesis, Discovery and Biological Evaluation of Daldinin A Derivatives for Improving Hyperglycemia-Induced Endothelial Cell Death. Chem Pharm Bull (Tokyo) 2021; 69:760-767. [PMID: 34334519 DOI: 10.1248/cpb.c21-00211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Daldinins are a novel type of naturally occurring tricyclic heterocycles isolated from Daldinia concentrica. In this study, four daldinin A derivatives with different alkyl side chains were synthesized using the same synthetic protocol. Bioactivity tests first indicated that the daldinin A derivatives showed significant protection for endothelial cells against damage caused by high glucose. The derivative compound with three carbon atoms on the alkyl side exhibited the best effect.
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Affiliation(s)
| | - Shuyu Hu
- School of Pharmacy, Xinxiang Medical University
| | - Yu Song
- School of Pharmacy, Xinxiang Medical University
| | - Runqing Zhu
- School of Pharmacy, Xinxiang Medical University
| | - Luohao Li
- School of Pharmacy, Xinxiang Medical University
| | - Jing Li
- School of Pharmacy, Xinxiang Medical University
| | - Tao Zhang
- School of Pharmacy, Xinxiang Medical University
| | - Qinghe Gao
- School of Pharmacy, Xinxiang Medical University
| | - Yakun Wang
- School of Pharmacy, Xinxiang Medical University
| | - Lizhen Fang
- School of Pharmacy, Xinxiang Medical University
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Sharma P, LaRosa C, Antwi J, Govindarajan R, Werbovetz KA. Imidazoles as Potential Anticancer Agents: An Update on Recent Studies. Molecules 2021; 26:molecules26144213. [PMID: 34299488 PMCID: PMC8307698 DOI: 10.3390/molecules26144213] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 06/30/2021] [Accepted: 07/05/2021] [Indexed: 12/14/2022] Open
Abstract
Nitrogen-containing heterocyclic rings are common structural components of marketed drugs. Among these heterocycles, imidazole/fused imidazole rings are present in a wide range of bioactive compounds. The unique properties of such structures, including high polarity and the ability to participate in hydrogen bonding and coordination chemistry, allow them to interact with a wide range of biomolecules, and imidazole-/fused imidazole-containing compounds are reported to have a broad spectrum of biological activities. This review summarizes recent reports of imidazole/fused imidazole derivatives as anticancer agents appearing in the peer-reviewed literature from 2018 through 2020. Such molecules have been shown to modulate various targets, including microtubules, tyrosine and serine-threonine kinases, histone deacetylases, p53-Murine Double Minute 2 (MDM2) protein, poly (ADP-ribose) polymerase (PARP), G-quadraplexes, and other targets. Imidazole-containing compounds that display anticancer activity by unknown/undefined mechanisms are also described, as well as key features of structure-activity relationships. This review is intended to provide an overview of recent advances in imidazole-based anticancer drug discovery and development, as well as inspire the design and synthesis of new anticancer molecules.
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Affiliation(s)
- Pankaj Sharma
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA; (P.S.); (C.L.)
| | - Chris LaRosa
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA; (P.S.); (C.L.)
| | - Janet Antwi
- Division of Mathematics, Computer & Natural Sciences Division, Ohio Dominican University, Columbus, OH 43219, USA;
| | - Rajgopal Govindarajan
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA;
| | - Karl A. Werbovetz
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA; (P.S.); (C.L.)
- Correspondence:
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Soni JP, Yeole Y, Shankaraiah N. β-Carboline-based molecular hybrids as anticancer agents: a brief sketch. RSC Med Chem 2021; 12:730-750. [PMID: 34124672 PMCID: PMC8152596 DOI: 10.1039/d0md00422g] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 02/28/2021] [Indexed: 01/19/2023] Open
Abstract
Cancer is a huge burden on the healthcare system and is foremost cause of mortality across the globe. Among various therapeutic strategies, chemotherapy plays an enormous role in overcoming the challenges of treating cancer, especially in late stage detection. However, limitations such as extreme side/adverse effects and drug resistance associated with available drugs have impelled the development of novel chemotherapeutic agents. In this regard, we have reviewed the development of β-carboline-based chemotherapeutic agents reported in last five years. The review mainly emphasizes on the molecular hybrids of β-carbolines with various pharmacophores, their synthetic strategies, and in vitro anticancer evaluation. In addition, the mechanisms of action, in silico studies, structural influence on the potency and selectivity among diverse cancer cell lines have been critically presented. The review updates readers on the diverse molecular hybrids prepared and the governing structural features of high potential molecules that can help in the future development of novel cytotoxic agents.
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Affiliation(s)
- Jay Prakash Soni
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500037 India
| | - Yogesh Yeole
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500037 India
| | - Nagula Shankaraiah
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500037 India
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