1
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Sharma A, Vaid H, Kotwal R, Mughal ZN, Gurubrahamam R. Rhodium(II)-Catalyzed Alkynyl Carbene Insertion into N-H Bonds. Org Lett 2024; 26:4887-4892. [PMID: 38842489 DOI: 10.1021/acs.orglett.4c01345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2024]
Abstract
The first insertion of an alkynyl carbene into N-H bonds under Rh-catalysis is developed. Alkynyl hydrazone carboxylates are used as donor-acceptor carbene precursors and are exquisitely inserted into the N-H bonds of various amines, amides, and 1,2-diamines. A wide variety of 3-alkynyl 3,4-dihydroquinoxalin-2(1H)-ones and densely functionalized α-alkynyl α-amino esters are obtained in good to excellent yields. Further, chemoselective N-H insertion reactions, mechanistic studies, and various synthetic transformations for obtaining valuable heterocycles are demonstrated.
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Affiliation(s)
- Akashdeep Sharma
- Department of Chemistry, Indian Institute of Technology Jammu, NH-44, PO Nagrota, Jagti, Jammu and Kashmir 181221, India
| | - Himani Vaid
- Department of Chemistry, Indian Institute of Technology Jammu, NH-44, PO Nagrota, Jagti, Jammu and Kashmir 181221, India
| | - Riya Kotwal
- Department of Chemistry, Indian Institute of Technology Jammu, NH-44, PO Nagrota, Jagti, Jammu and Kashmir 181221, India
| | - Zuhaib N Mughal
- Department of Chemistry, Indian Institute of Technology Jammu, NH-44, PO Nagrota, Jagti, Jammu and Kashmir 181221, India
| | - Ramani Gurubrahamam
- Department of Chemistry, Indian Institute of Technology Jammu, NH-44, PO Nagrota, Jagti, Jammu and Kashmir 181221, India
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2
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Recent advances in transition metal-catalyzed reactions of chloroquinoxalines: Applications in bioorganic chemistry. Bioorg Chem 2022; 129:106195. [DOI: 10.1016/j.bioorg.2022.106195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 09/26/2022] [Accepted: 10/04/2022] [Indexed: 11/23/2022]
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3
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Li Y, Jin C, Xu H, Wu W, Wang Y, Wu J, Liu T, Wan G, Yue X, Bu X. Identification of 2-Benzylidene-tetralone Derivatives as Highly Potent and Reversible Firefly Luciferase Inhibitors. ACS Med Chem Lett 2022; 13:304-311. [PMID: 35178187 PMCID: PMC8842144 DOI: 10.1021/acsmedchemlett.1c00671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 01/14/2022] [Indexed: 11/28/2022] Open
Abstract
The extensive applications of Firefly luciferase (Fluc) in numerous biological, biomedical, and clinical investigations rendered an urgent need for efficient and biocompatible Fluc inhibitors for the construction of novel assay platforms. Herein we describe the identification of 2-benzylidene-tetralone derivatives as highly potent and reversible Firefly luciferase inhibitors by competing with d-luciferin. The most active compound 48 was found to have >7000 fold higher potency (IC50 = 0.25 nM) than that of the well-known luciferase inhibitor resveratrol (IC50 = 1.9 μM) biochemically with sub- to low nanomolar IC50 values, and it can efficiently block the Fluc generated bioluminescence in vivo.
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Affiliation(s)
- Yunzhi Li
- School
of Pharmaceutical Sciences, Sun Yat-sen
University, Guangzhou 510006, China
| | - Chaoying Jin
- School
of Pharmaceutical Sciences, Sun Yat-sen
University, Guangzhou 510006, China
| | - Huiying Xu
- School
of Pharmaceutical Sciences, Sun Yat-sen
University, Guangzhou 510006, China
| | - Weijian Wu
- School
of Pharmaceutical Sciences, Sun Yat-sen
University, Guangzhou 510006, China
| | - Youqiao Wang
- School
of Pharmaceutical Sciences, Sun Yat-sen
University, Guangzhou 510006, China
| | - Jiaxin Wu
- School
of Pharmaceutical Sciences, Sun Yat-sen
University, Guangzhou 510006, China
| | - Tingyu Liu
- State
Key Laboratory of Oncology in South China, Collaborative Innovation
Center for Cancer Medicine, Sun Yat-sen
University Cancer Center, Guangzhou 510060, China
| | - Guohui Wan
- School
of Pharmaceutical Sciences, Sun Yat-sen
University, Guangzhou 510006, China
| | - Xin Yue
- Department
of Radiation Oncology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
- Institute
of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Xianzhang Bu
- School
of Pharmaceutical Sciences, Sun Yat-sen
University, Guangzhou 510006, China
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4
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Pyrrolo[2,3 -b]quinoxalines in attenuating cytokine storm in COVID-19: their sonochemical synthesis and in silico / in vitro assessment. J Mol Struct 2021; 1230:129868. [PMID: 33424034 PMCID: PMC7778832 DOI: 10.1016/j.molstruc.2020.129868] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/22/2020] [Accepted: 12/28/2020] [Indexed: 12/17/2022]
Abstract
In view of the recent global pandemic caused by COVID-19 intense efforts have been devoted worldwide towards the development of an effective treatment for this disease. Recently, PDE4 inhibitors have been suggested to attenuate the cytokine storm in COVID-19 especially tumour necrosis factor alpha (TNF-α). In our effort we have explored the 2-substituted pyrrolo[2,3-b]quinoxalines for this purpose because of their potential inhibitory properties of PDE-4 / TNF-α. Moreover, several of these compounds appeared to be promising in silico when assessed for their binding affinities via docking into the N-terminal RNA-binding domain (NTD) of N-protein of SARS-CoV-2. A rapid and one-pot synthesis of this class of molecules was achieved via the Cu-catalyzed coupling-cyclization-desulfinylation of 3-alkynyl-2-chloroquinoxalines with t-butyl sulfinamide as the ammonia surrogate under ultrasound irradiation. Most of these compounds showed good to significant inhibition of TNF-α in vitro establishing a SAR (Structure Activity Relationship) within the series. One compound e.g. 3i was identified as a promising hit for which the desirable ADME and acceptable toxicity profile was predicted in silico.
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5
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Shahinshavali S, Hossain KA, Kumar AVDN, Reddy AG, Kolli D, Nakhi A, Rao MVB, Pal M. Ultrasound assisted synthesis of 3-alkynyl substituted 2-chloroquinoxaline derivatives: Their in silico assessment as potential ligands for N-protein of SARS-CoV-2. Tetrahedron Lett 2020; 61:152336. [PMID: 32868957 PMCID: PMC7449981 DOI: 10.1016/j.tetlet.2020.152336] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 07/15/2020] [Accepted: 08/04/2020] [Indexed: 01/17/2023]
Abstract
In view of recent global pandemic the 3-alkynyl substituted 2-chloroquinoxaline framework has been explored as a potential template for the design of molecules targeting COVID-19. Initial in silico studies of representative compounds to assess their binding affinities via docking into the N-terminal RNA-binding domain (NTD) of N-protein of SARS-CoV-2 prompted further study of these molecules. Thus building of a small library of molecules based on the said template became essential for this purpose. Accordingly, a convenient and environmentally safer method has been developed for the rapid synthesis of 3-alkynyl substituted 2-chloroquinoxaline derivatives under Cu-catalysis assisted by ultrasound. This simple and straightforward method involved the coupling of 2,3-dichloroquinoxaline with commercially available terminal alkynes in the presence of CuI, PPh3 and K2CO3 in PEG-400. Further in silico studies revealed some remarkable observations and established a virtual SAR (Structure Activity Relationship) within the series. Three compounds appeared as potential agents for further studies.
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Affiliation(s)
- Shaik Shahinshavali
- Department of Chemistry, Krishna University, Machilipatnam 521001, Andhra Pradesh, India
| | - Kazi Amirul Hossain
- Department of Physical Chemistry, Gdansk University of Technology, Gdańsk, Poland
| | | | | | - Deepti Kolli
- Department of Chemistry, Koneru Lakshmaiah Education Foundation, Green Fields, Vaddeswaram 522502, Andhra Pradesh, India
| | - Ali Nakhi
- Dr. Reddy's Institute of Life Sciences, University of Hyderabad Campus, Hyderabad 500046, India
| | | | - Manojit Pal
- Dr. Reddy's Institute of Life Sciences, University of Hyderabad Campus, Hyderabad 500046, India
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6
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Kandasamy M, Mak KK, Devadoss T, Thanikachalam PV, Sakirolla R, Choudhury H, Pichika MR. Construction of a novel quinoxaline as a new class of Nrf2 activator. BMC Chem 2019; 13:117. [PMID: 31572984 PMCID: PMC6760105 DOI: 10.1186/s13065-019-0633-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 09/10/2019] [Indexed: 01/10/2023] Open
Abstract
Background The transcription factor Nuclear factor erythroid-2-related factor 2 (NRF2) and its principal repressive regulator, Kelch-like ECH-associated protein 1 (KEAP1), are perilous in the regulation of inflammation, as well as maintenance of homeostasis. Thus, NRF2 activation is involved in cytoprotection against many inflammatory disorders. N′-Nicotinoylquinoxaline-2-carbohdyrazide (NQC) was structurally designed by the combination of important pharmacophoric features of bioactive compounds reported in the literature. Methods NQC was synthesised and characterised using spectroscopic techniques. The compound was tested for its anti-inflammatory effect using Lipopolysaccharide from Escherichia coli (LPSEc) induced inflammation in mouse macrophages (RAW 264.7 cells). The effect of NQC on inflammatory cytokines was measured using enzyme-linked immune sorbent assay (ELISA). The Nrf2 activity of the compound NQC was determined using ‘Keap1:Nrf2 Inhibitor Screening Assay Kit’. To obtain the insights on NQC’s activity on Nrf2, molecular docking studies were performed using Schrödinger suite. The metabolic stability of NQC was determined using mouse, rat and human microsomes. Results NQC was found to be non-toxic at the dose of 50 µM on RAW 264.7 cells. NQC showed potent anti-inflammatory effect in an in vitro model of LPSEc stimulated murine macrophages (RAW 264.7 cells) with an IC50 value 26.13 ± 1.17 µM. NQC dose-dependently down-regulated the pro-inflammatory cytokines [interleukin (IL)-1β (13.27 ± 2.37 μM), IL-6 (10.13 ± 0.58 μM) and tumor necrosis factor (TNF)-α] (14.41 ± 1.83 μM); and inflammatory mediator, prostaglandin E2 (PGE2) with IC50 values, 15.23 ± 0.91 µM. Molecular docking studies confirmed the favourable binding of NQC at Kelch domain of Keap-1. It disrupts the Nrf2 interaction with kelch domain of keap 1 and its IC50 value was 4.21 ± 0.89 µM. The metabolic stability studies of NQC in human, rat and mouse liver microsomes revealed that it is quite stable with half-life values; 63.30 ± 1.73, 52.23 ± 0.81, 24.55 ± 1.13 min; microsomal intrinsic clearance values; 1.14 ± 0.31, 1.39 ± 0.87 and 2.96 ± 0.34 µL/min/g liver; respectively. It is observed that rat has comparable metabolic profile with human, thus, rat could be used as an in vivo model for prediction of pharmacokinetics and metabolism profiles of NQC in human. Conclusion NQC is a new class of NRF2 activator with potent in vitro anti-inflammatory activity and good metabolic stability.
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Affiliation(s)
- Murugesh Kandasamy
- 1Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia.,4Center for Bioactive Molecules & Drug Delivery, Institute for Research, Development & Innovation, International Medical University, Kuala Lumpur, Malaysia
| | - Kit-Kay Mak
- 1Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia.,2School of Postgraduate Studies and Research, International Medical University, Kuala Lumpur, Malaysia.,4Center for Bioactive Molecules & Drug Delivery, Institute for Research, Development & Innovation, International Medical University, Kuala Lumpur, Malaysia
| | - Thangaraj Devadoss
- KVSR Siddhartha College of Pharmaceutical Sciences, Vijayawada, Andhra Pradesh India
| | | | | | - Hira Choudhury
- 3Department of Pharmaceutical Technology, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia.,4Center for Bioactive Molecules & Drug Delivery, Institute for Research, Development & Innovation, International Medical University, Kuala Lumpur, Malaysia
| | - Mallikarjuna Rao Pichika
- 1Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia.,4Center for Bioactive Molecules & Drug Delivery, Institute for Research, Development & Innovation, International Medical University, Kuala Lumpur, Malaysia
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7
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Zeng X, Kirkpatrick R, Hofmann G, Grillot D, Linhart V, Viviani F, Marino J, Boyer J, Graham TL, Lu Q, Wu Z, Benowitz A, Cousins R. Screen for modulators of atonal homolog 1 gene expression using notch pathway-relevant gene transcription based cellular assays. PLoS One 2018; 13:e0207140. [PMID: 30540745 PMCID: PMC6291236 DOI: 10.1371/journal.pone.0207140] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 10/25/2018] [Indexed: 12/11/2022] Open
Abstract
Atonal homolog 1 (Atoh1) is a basic helix-loop-helix 9 (bHLH) transcription factor acting downstream of Notch and is required for the differentiation of sensory hair cells in the inner ear and the specification of secretory cells during the intestinal crypt cell regeneration. Motivated by the observations that the upregulation of Atoh1 gene expression, through genetic manipulation or pharmacological inhibition of Notch signaling (e.g. γ-secretase inhibitors, GSIs), induces ectopic hair cell growth in the cochlea of the inner ear and partially restores hearing after injuries in experimental models, we decided to identify small molecule modulators of the Notch-Atoh1 pathway, which could potentially regenerate hair cells. However, the lack of cellular models of the inner ear has precluded the screening and characterization of such modulators. Here we report using a colon cancer cell line LS-174T, which displays Notch inhibition-dependent Atoh1 expression as a surrogate cellular model to screen for inducers of Atoh1 expression. We designed an Atoh1 promoter-driven luciferase assay to screen a target-annotated library of ~6000 compounds. We further developed a medium throughput, real-time quantitative RT-PCR assay measuring the endogenous Atoh1 gene expression to confirm the hits and eliminate false positives from the reporter-based screen. This strategy allowed us to successfully recover GSIs of known chemotypes. This LS-174T cell-based assay directly measures Atoh1 gene expression induced through Notch-Hes1 inhibition, and therefore offers an opportunity to identify novel cellular modulators along the Notch-Atoh1 pathway.
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Affiliation(s)
- Xin Zeng
- R&D Target Sciences, GlaxoSmithKline, Upper Providence, Collegeville, United States of America
- * E-mail: (XZ); (RC)
| | - Robert Kirkpatrick
- R&D Alternative Discovery and Development, GlaxoSmithKline, Upper Providence, Collegeville, United States of America
| | - Glenn Hofmann
- R&D Platform Technology Sciences, Drug Design and Selection, GlaxoSmithKline, Upper Providence, Collegeville, United States of America
| | - Didier Grillot
- R&D Flexible Discovery Unit, Villebon-sur-Yvette, Paris, France
| | - Valerie Linhart
- R&D Flexible Discovery Unit, Villebon-sur-Yvette, Paris, France
| | - Fabrice Viviani
- R&D Flexible Discovery Unit, Villebon-sur-Yvette, Paris, France
| | - Joseph Marino
- R&D Alternative Discovery and Development, GlaxoSmithKline, Upper Providence, Collegeville, United States of America
| | - Joseph Boyer
- R&D Statistical sciences, GlaxoSmithKline, Upper Providence, Collegeville, United States of America
| | - Taylor L. Graham
- R&D Target Sciences, GlaxoSmithKline, Upper Providence, Collegeville, United States of America
| | - Quinn Lu
- R&D Target Sciences, GlaxoSmithKline, Upper Providence, Collegeville, United States of America
| | - Zining Wu
- R&D Platform Technology Sciences, Drug Design and Selection, GlaxoSmithKline, Upper Providence, Collegeville, United States of America
| | - Andrew Benowitz
- R&D Alternative Discovery and Development, GlaxoSmithKline, Upper Providence, Collegeville, United States of America
| | - Rick Cousins
- R&D Alternative Discovery and Development, GlaxoSmithKline, Stevenage, Hertfordshire, United Kingdom
- * E-mail: (XZ); (RC)
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8
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Novel one-pot synthesis of 1-alkyl-2-(aryloxy)methyl-1H-pyrrolo[2,3-b]quinoxalines via copper-free Sonogashira coupling reaction. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2018. [DOI: 10.1007/s13738-018-1492-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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9
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One-pot synthesis of biologically active 1,2,3-trisubstituted pyrrolo[2,3-b]quinoxalines through a palladium-catalyzed reaction with internal alkyne moieties. Mol Divers 2018; 22:879-891. [PMID: 29909566 DOI: 10.1007/s11030-018-9838-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Accepted: 05/29/2018] [Indexed: 10/14/2022]
Abstract
Synthesis of 2,3-disubstituted 1-alkylpyrrolo[2,3-b]quinoxalines was accomplished through the reaction of 3-chloroquinoxalin-2-amines with internal alkynes in the presence of Pd(OAc)[Formula: see text], NaOAc, and KOtBu in DMSO. This method afforded desired pyrrolo[2,3-b]quinoxalines in 65-92% reaction yields. The minimum inhibition concentration and minimum bactericidal concentration determinations against Micrococcus luteus and Pseudomonas aeruginosa revealed that some of the synthesized compounds showed the same values compared to tetracycline. These compounds could be used in the future research for the development of new antibiotics.
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10
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Zhang PM, Li YW, Zhou J, Gan LL, Chen YJ, Gan ZJ, Yu Y. A One-pot Facile Synthesis of 2,3-Dihydroxyquinoxaline and 2,3-Dichloroquinoxaline Derivatives Using Silica Gel as an Efficient Catalyst. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3224] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Pei-Ming Zhang
- Department of Medicinal Chemistry, College of Pharmacy; Chongqing Medical University; Chongqing 400016 China
- Chongqing Research Center for Pharmaceutical Engineering; Chongqing Medical University; Chongqing 400016 China
| | - Yao-Wei Li
- Department of Medicinal Chemistry, College of Pharmacy; Chongqing Medical University; Chongqing 400016 China
- Chongqing Research Center for Pharmaceutical Engineering; Chongqing Medical University; Chongqing 400016 China
| | - Jing Zhou
- Department of Medicinal Chemistry, College of Pharmacy; Chongqing Medical University; Chongqing 400016 China
- Chongqing Research Center for Pharmaceutical Engineering; Chongqing Medical University; Chongqing 400016 China
| | - Lin-Ling Gan
- Department of Medicinal Chemistry, College of Pharmacy; Chongqing Medical University; Chongqing 400016 China
- Chongqing Research Center for Pharmaceutical Engineering; Chongqing Medical University; Chongqing 400016 China
| | - Yong-Jie Chen
- Department of Medicinal Chemistry, College of Pharmacy; Chongqing Medical University; Chongqing 400016 China
- Chongqing Research Center for Pharmaceutical Engineering; Chongqing Medical University; Chongqing 400016 China
| | - Zong-Jie Gan
- Department of Medicinal Chemistry, College of Pharmacy; Chongqing Medical University; Chongqing 400016 China
- Chongqing Research Center for Pharmaceutical Engineering; Chongqing Medical University; Chongqing 400016 China
| | - Yu Yu
- Department of Medicinal Chemistry, College of Pharmacy; Chongqing Medical University; Chongqing 400016 China
- Chongqing Research Center for Pharmaceutical Engineering; Chongqing Medical University; Chongqing 400016 China
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11
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Besharati-Seidani T, Keivanloo A, Kaboudin B, Yoshida A, Yokomatsu T. Regioselective synthesis of 2,3-disubstituted 1-alkyl pyrrolo[2,3-b] quinoxalines through palladium-catalyzed Heck reaction of chalcones and evaluation of their anti-bacterial activities. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.03.055] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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12
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Nelina-Nemtseva JI, Gulevskaya AV, Suslonov VV, Misharev AD. 1,3-Dipolar cycloaddition of azomethine imines to ethynyl hetarenes: A synthetic route to 2,3-dihydropyrazolo[1,2- a ]pyrazol-1(5 H )-one based heterobiaryls. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.01.046] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Shingare R, Kulkarni AS, Sutar RL, Reddy DS. Route to Benzimidazol-2-ones via Decarbonylative Ring Contraction of Quinoxalinediones: Application to the Synthesis of Flibanserin, A Drug for Treating Hypoactive Sexual Desire Disorder in Women and Marine Natural Product Hunanamycin Analogue. ACS OMEGA 2017; 2:5137-5141. [PMID: 30023739 PMCID: PMC6044990 DOI: 10.1021/acsomega.7b00819] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Accepted: 08/15/2017] [Indexed: 06/08/2023]
Abstract
A simple and practical method to access a variety of benzimidazol-2-ones is reported here. A series of N-alkyl-substituted benzimidazol-2-ones were synthesized by decarbonylative ring contraction starting from corresponding quinoxalinediones for the first time. The utility of the method has been demonstrated by synthesizing recently approved controversial drug flibanserin (Addyi) and a urea analogue of marine antibiotic natural product hunanamycin-A.
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Affiliation(s)
- Rahul
D. Shingare
- Division
of Organic Chemistry, CSIR-National Chemical
Laboratory, Dr. Homi
Bhabha Road, Pune 411008, India
- Academy
of Scientific and Innovative Research (AcSIR), New Delhi 110 025, India
| | - Akshay S. Kulkarni
- Division
of Organic Chemistry, CSIR-National Chemical
Laboratory, Dr. Homi
Bhabha Road, Pune 411008, India
| | - Revannath L. Sutar
- Division
of Organic Chemistry, CSIR-National Chemical
Laboratory, Dr. Homi
Bhabha Road, Pune 411008, India
| | - D. Srinivasa Reddy
- Division
of Organic Chemistry, CSIR-National Chemical
Laboratory, Dr. Homi
Bhabha Road, Pune 411008, India
- Academy
of Scientific and Innovative Research (AcSIR), New Delhi 110 025, India
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14
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Chen F, Sun H, Liu H, Li D, Li Y, Hou T. Prediction of luciferase inhibitors by the high-performance MIEC-GBDT approach based on interaction energetic patterns. Phys Chem Chem Phys 2017; 19:10163-10176. [DOI: 10.1039/c6cp08232g] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The MIEC-GBDT model can be used as a powerful tool to identify potential interference compounds in luciferase-based high-throughput screening.
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Affiliation(s)
- Fu Chen
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou
- China
| | - Huiyong Sun
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou
- China
| | - Hui Liu
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou
- China
| | - Dan Li
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou
- China
| | - Youyong Li
- Institute of Functional Nano and Soft Materials (FUNSOM)
- Soochow University
- Suzhou
- P. R. China
| | - Tingjun Hou
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou
- China
- State Key Lab of CAD&CG
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15
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Sunke R, Nallapati SB, Kumar JS, Shiva Kumar K, Pal M. Use of AlCl3 in Friedel Crafts arylation type reactions and beyond: an overview on the development of unique methodologies leading to N-heteroarenes. Org Biomol Chem 2017; 15:4042-4057. [DOI: 10.1039/c7ob00468k] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
An overview on the development of unique methodologies that highlight the use of AlCl3 in reactions leading to new N-heteroarenes of biological significance is presented.
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Affiliation(s)
- Rajnikanth Sunke
- Dr Reddy's Institute of Life Sciences
- Hyderabad Central University
- Hyderabad-500 046
- India
| | - Suresh Babu Nallapati
- Dr Reddy's Institute of Life Sciences
- Hyderabad Central University
- Hyderabad-500 046
- India
| | - Jetta Sandeep Kumar
- Dr Reddy's Institute of Life Sciences
- Hyderabad Central University
- Hyderabad-500 046
- India
| | - K. Shiva Kumar
- Department of Chemistry
- Osmania University
- Hyderabad-500 007
- India
| | - Manojit Pal
- Dr Reddy's Institute of Life Sciences
- Hyderabad Central University
- Hyderabad-500 046
- India
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16
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Nguyen TD, Dang VS, Nguyen VH, Nguyen TMT, Dang CH. Synthesis and Photophysical Characterization of Several 2,3-Quinoxaline Derivatives: An Application of Pd(0)/PEG Nanoparticle Catalyst for Sonogashira Coupling. Polycycl Aromat Compd 2016. [DOI: 10.1080/10406638.2016.1143848] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Thanh-Danh Nguyen
- Department of Technology for Pharmaceutical Chemistry, Institute of Chemical Technology, Vietnam Academy of Science and Technology, Ho Chi Minh, Vietnam
| | - Van-Su Dang
- Department of Chemical Technolgy, Ho Chi Minh City University of Food Industry, Ho Chi Minh, Vietnam
| | - Van-Hai Nguyen
- Department of Technology for Pharmaceutical Chemistry, Institute of Chemical Technology, Vietnam Academy of Science and Technology, Ho Chi Minh, Vietnam
| | - T. My-Thao Nguyen
- Department of Technology for Pharmaceutical Chemistry, Institute of Chemical Technology, Vietnam Academy of Science and Technology, Ho Chi Minh, Vietnam
| | - Chi-Hien Dang
- Department of Technology for Pharmaceutical Chemistry, Institute of Chemical Technology, Vietnam Academy of Science and Technology, Ho Chi Minh, Vietnam
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17
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Rao KR, Raghunadh A, Mekala R, Meruva SB, Ganesh KR, Krishna T, Kalita D, Laxminarayana E, Pal M. Synthesis of Novel Drug-Like Small Molecules Based on Quinoxaline Containing Amino Substitution at C-2. J Heterocycl Chem 2015. [DOI: 10.1002/jhet.2177] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- K. Raghavendra Rao
- Technology Development Centre, Custom Pharmaceutical Services; Dr Reddy's Laboratories Ltd; Miyapur Hyderabad 500 049 India
- Department of Physics and Chemistry; Mahatma Gandhi Institute of Technology; Chaitanya Bharati, Gandipet Hyderabad 500 075 Andhra Pradesh India
| | - Akula Raghunadh
- Technology Development Centre, Custom Pharmaceutical Services; Dr Reddy's Laboratories Ltd; Miyapur Hyderabad 500 049 India
| | - Ramamohan Mekala
- Technology Development Centre, Custom Pharmaceutical Services; Dr Reddy's Laboratories Ltd; Miyapur Hyderabad 500 049 India
| | - Suresh Babu Meruva
- Technology Development Centre, Custom Pharmaceutical Services; Dr Reddy's Laboratories Ltd; Miyapur Hyderabad 500 049 India
| | - K. Ravi Ganesh
- Technology Development Centre, Custom Pharmaceutical Services; Dr Reddy's Laboratories Ltd; Miyapur Hyderabad 500 049 India
| | - T. Krishna
- Technology Development Centre, Custom Pharmaceutical Services; Dr Reddy's Laboratories Ltd; Miyapur Hyderabad 500 049 India
| | - Dipak Kalita
- Technology Development Centre, Custom Pharmaceutical Services; Dr Reddy's Laboratories Ltd; Miyapur Hyderabad 500 049 India
| | - Eppakayala Laxminarayana
- Department of Physics and Chemistry; Mahatma Gandhi Institute of Technology; Chaitanya Bharati, Gandipet Hyderabad 500 075 Andhra Pradesh India
| | - Manojit Pal
- Dr Reddy's Institute of Life Sciences; University of Hyderabad Campus; Gachibowli Hyderabad 500 046 India
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18
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Domagala A, Jarosz T, Lapkowski M. Living on pyrrolic foundations – Advances in natural and artificial bioactive pyrrole derivatives. Eur J Med Chem 2015; 100:176-87. [DOI: 10.1016/j.ejmech.2015.06.009] [Citation(s) in RCA: 84] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 06/02/2015] [Accepted: 06/03/2015] [Indexed: 11/29/2022]
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19
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Bai H, Zhu P, Wu W, Li J, Ma Z, Zhang W, Cheng Y, Du L, Li M. Synthesis and biological evaluation of a series of aryl triazoles as firefly luciferase inhibitors. MEDCHEMCOMM 2015. [DOI: 10.1039/c4md00368c] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
A series of novel aryl triazoles was synthesized as firefly luciferase inhibitors in vitro and in vivo. More interestingly, these compounds are mixed noncompetitive for luciferin and noncompetitive for ATP.
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Affiliation(s)
- Haixiu Bai
- Department of Medicinal Chemistry
- Key Laboratory of Chemical Biology (MOE)
- School of Pharmacy
- Shandong University
- Jinan
| | - Peng Zhu
- Department of Medicinal Chemistry
- Key Laboratory of Chemical Biology (MOE)
- School of Pharmacy
- Shandong University
- Jinan
| | - Wenxiao Wu
- Department of Medicinal Chemistry
- Key Laboratory of Chemical Biology (MOE)
- School of Pharmacy
- Shandong University
- Jinan
| | - Jing Li
- Department of Medicinal Chemistry
- Key Laboratory of Chemical Biology (MOE)
- School of Pharmacy
- Shandong University
- Jinan
| | - Zhao Ma
- Department of Medicinal Chemistry
- Key Laboratory of Chemical Biology (MOE)
- School of Pharmacy
- Shandong University
- Jinan
| | - Wei Zhang
- Department of Medicinal Chemistry
- Key Laboratory of Chemical Biology (MOE)
- School of Pharmacy
- Shandong University
- Jinan
| | - Yanna Cheng
- Department of Pharmacology
- School of Pharmacy
- Shandong University
- Jinan
- China
| | - Lupei Du
- Department of Medicinal Chemistry
- Key Laboratory of Chemical Biology (MOE)
- School of Pharmacy
- Shandong University
- Jinan
| | - Minyong Li
- Department of Medicinal Chemistry
- Key Laboratory of Chemical Biology (MOE)
- School of Pharmacy
- Shandong University
- Jinan
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20
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Bai H, Chen W, Wu W, Ma Z, Zhang H, Jiang T, Zhang T, Zhou Y, Du L, Shen Y, Li M. Discovery of a series of 2-phenylnaphthalenes as firefly luciferase inhibitors. RSC Adv 2015. [DOI: 10.1039/c5ra12886b] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
A series of 2-phenylnaphthalenes as firefly luciferase inhibitors are reported. The most potent compound 5 showed good systemic inhibition in transgenic mice. Kinetic assay indicated 5 is competitive for aminoluciferin and noncompetitive for ATP.
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21
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Kolli SK, Nakhi A, Archana S, Saridena M, Deora GS, Yellanki S, Medisetti R, Kulkarni P, Ramesh Raju R, Pal M. Ligand-free Pd-catalyzed C–N cross-coupling/cyclization strategy: An unprecedented access to 1-thienyl pyrroloquinoxalines for the new approach towards apoptosis. Eur J Med Chem 2014; 86:270-8. [DOI: 10.1016/j.ejmech.2014.08.057] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Revised: 08/14/2014] [Accepted: 08/16/2014] [Indexed: 12/28/2022]
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22
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Manta S, Gkaragkouni DN, Kaffesaki E, Gkizis P, Hadjipavlou-Litina D, Pontiki E, Balzarini J, Dehaen W, Komiotis D. A novel and easy two-step, microwave-assisted method for the synthesis of halophenyl pyrrolo[2,3-b]quinoxalines via their pyrrolo precursors. Evaluation of their bioactivity. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.01.106] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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23
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Poutiainen PK, Rönkkö T, Hinkkanen AE, Palvimo JJ, Närvänen A, Turhanen P, Laatikainen R, Weisell J, Pulkkinen JT. Firefly luciferase inhibitor-conjugated peptide quenches bioluminescence: a versatile tool for real time monitoring cellular uptake of biomolecules. Bioconjug Chem 2013; 25:4-10. [PMID: 24341748 DOI: 10.1021/bc4003713] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
In this paper, novel firefly luciferase-specific inhibitor compounds (FLICs) are evaluated as potential tools for cellular trafficking of transporter conjugates. As a proof-of-concept, we designed FLICs that were suitable for solid phase peptide synthesis and could be covalently conjugated to peptides via an amide bond. The spacer between inhibitor and peptide was optimized to gain efficient inhibition of recombinant firefly luciferase (FLuc) without compromising the activity of the model peptides. The hypothesis of using FLICs as tools for cellular trafficking studies was ensured with U87Fluc glioblastoma cells expressing firefly luciferase. Results show that cell penetrating peptide (penetratin) FLIC conjugate 9 inhibited FLuc penetrated cells efficiently (IC50 = 1.6 μM) and inhibited bioluminescence, without affecting the viability of the cells. Based on these results, peptide-FLIC conjugates can be used for the analysis of cellular uptake of biomolecules in a new way that can at the same time overcome some downsides seen with other methods. Thus, FLICs can be considered as versatile tools that broaden the plethora of methods that take advantage of the bioluminescence phenomena.
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Affiliation(s)
- Pekka K Poutiainen
- School of Pharmacy, ‡Institute of Biomedicine, and §A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland , P.O. Box 1627, FI-70211 Kuopio, Finland
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24
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Babu PV, Mukherjee S, Deora GS, Chennubhotla KS, Medisetti R, Yellanki S, Kulkarni P, Sripelly S, Parsa KVL, Chatti K, Mukkanti K, Pal M. Ligand/PTC-free intramolecular Heck reaction: synthesis of pyrroloquinoxalines and their evaluation against PDE4/luciferase/oral cancer cell growth in vitro and zebrafish in vivo. Org Biomol Chem 2013; 11:6680-5. [PMID: 23986357 DOI: 10.1039/c3ob41504j] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of 1,3-disubstituted pyrrolo[2,3-b]quinoxalines has been designed for the potential inhibition of PDE4 without inhibiting luciferase. A ligand/PTC (phase transfer catalyst) free intramolecular Heck cyclization strategy was used to prepare these compounds, some of which showed significant inhibition of PDE4B (IC50≈ 5-14 μM) and growth inhibition of oral cancer cells (CAL 27) but not inhibition of luciferase in vitro. They also showed acceptable safety profiles but no apoptosis in zebrafish embryos.
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Affiliation(s)
- P Vijaya Babu
- Dr Reddy's Institute of Life Sciences, University of Hyderabad Campus, Gachibowli, Hyderabad 500046, India.
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25
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Poutiainen PK, Palvimo JJ, Hinkkanen AE, Valkonen A, Väisänen TK, Laatikainen R, Pulkkinen JT. Discovery of 5-Benzyl-3-phenyl-4,5-dihydroisoxazoles and 5-Benzyl-3-phenyl-1,4,2-dioxazoles as Potent Firefly Luciferase Inhibitors. J Med Chem 2013; 56:1064-73. [DOI: 10.1021/jm301516q] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
| | | | - Ari E. Hinkkanen
- A. I. Virtanen Institute for Molecular
Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211Kuopio, Finland
| | - Arto Valkonen
- Department of Chemistry, University of Jyväskylä, P.O. Box 35,
FI-40014 Jyväskylä, Finland
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