1
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Rani P, Prakash M, Samanta S. Organobase-catalyzed Mannich reaction of cyclic N-sulfonyl imines and 1,2-diketones: a sustainable approach to 4-(3-arylquinoxalin-2-ylmethyl)sufamidates. Tetrahedron Lett 2023. [DOI: 10.1016/j.tetlet.2023.154490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2023]
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2
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Aksenov AV, Arutiunov NA, Aksenov DA, Samovolov AV, Kurenkov IA, Aksenov NA, Aleksandrova EA, Momotova DS, Rubin M. A Convenient Way to Quinoxaline Derivatives through the Reaction of 2-(3-Oxoindolin-2-yl)-2-phenylacetonitriles with Benzene-1,2-diamines. Int J Mol Sci 2022; 23:ijms231911120. [PMID: 36232422 PMCID: PMC9570350 DOI: 10.3390/ijms231911120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/10/2022] [Accepted: 09/16/2022] [Indexed: 11/23/2022] Open
Abstract
Microwave-assisted reaction between 2-(3-oxoindolin-2-yl)-2-phenylacetonitriles andbenzene-1,2-diamines leads to the high-yielding formation of the corresponding quinoxalines as sole, easily isolaable products. The featured transformation involves unusual extrusion of phenylacetonitrile molecule and could be performed in a short sequence starting from commonly available indoles and nitroolefins.
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Affiliation(s)
- Alexander V. Aksenov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, Russia
- Correspondence: (A.V.A.); (M.R.)
| | - Nikolai A. Arutiunov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, Russia
| | - Dmitrii A. Aksenov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, Russia
| | - Artem V. Samovolov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, Russia
| | - Igor A. Kurenkov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, Russia
| | - Nicolai A. Aksenov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, Russia
| | - Elena A. Aleksandrova
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, Russia
| | - Daria S. Momotova
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, Russia
| | - Michael Rubin
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, Russia
- Department of Chemistry, University of Kansas, 1567 Irving Hill Road, Lawrence, KS 66045, USA
- Correspondence: (A.V.A.); (M.R.)
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3
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Shingare RD, MacMillan JB, Reddy DS. Antibiotic natural product hunanamycin A: Lead identification towards anti-Salmonella agents. Eur J Med Chem 2022; 236:114245. [DOI: 10.1016/j.ejmech.2022.114245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/10/2022] [Accepted: 02/26/2022] [Indexed: 11/30/2022]
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4
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Kulkarni AS, Ramesh E, Srinivasa Reddy D. One‐Pot Oxidation of Secondary Alcohols to
α
‐Hydroxy Ketones: Application to Synthesis of Oxoaplysinopsin D, E, F, & G. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Akshay S. Kulkarni
- Organic Chemistry Division CSIR-National Chemical Laboratory Dr. Homi Bhabha Road Pune 411008 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Eagala Ramesh
- Organic Chemistry Division CSIR-National Chemical Laboratory Dr. Homi Bhabha Road Pune 411008 India
- CSIR-Indian Institute of Integrated Medicine Canal Road Jammu 180001 India
| | - D. Srinivasa Reddy
- Organic Chemistry Division CSIR-National Chemical Laboratory Dr. Homi Bhabha Road Pune 411008 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
- CSIR-Indian Institute of Integrated Medicine Canal Road Jammu 180001 India
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5
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Liu XH, Yu W, Min LJ, Wedge DE, Tan CX, Weng JQ, Wu HK, Cantrell CL, Bajsa-Hirschel J, Hua XW, Duke SO. Synthesis and Pesticidal Activities of New Quinoxalines. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:7324-7332. [PMID: 32530612 DOI: 10.1021/acs.jafc.0c01042] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Natural products are a source of many novel compounds with biological activity for the discovery of new pesticides and pharmaceuticals. Quinoxaline is a fused N-heterocycle in many natural products and synthetic compounds, and seven novel quinoxaline derivatives were designed and synthesized via three steps. Pesticidal activities of title quinoxaline derivatives were bioassayed. Most of these compounds had herbicidal, fungicidal, and insecticidal activities. The compounds 2-(6-methoxy-2-oxo-3-phenylquinoxalin-1(2H)-yl)acetonitrile (3f) and 1-allyl-6-methoxy-3-phenylquinoxalin-2(1H)-one (3g) were the most active herbicides and fungicides. Mode-of-action studies indicated that 3f is a protoprophyrinogen oxidase-inhibiting herbicide. Compound 3f also possessed broad-spectrum fungicidal activity against the plant pathogen Colletotrichum species. Some of these compounds also had insecticidal activity. Molecular docking and DFT analysis can potentially be used to design more active compounds.
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Affiliation(s)
- Xing-Hai Liu
- College of Chemical Engineering, Research Institue of Pesticide, Zhejiang University of Technology, Hangzhou 310014, China
| | - Wei Yu
- College of Chemical Engineering, Research Institue of Pesticide, Zhejiang University of Technology, Hangzhou 310014, China
| | - Li-Jing Min
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, College of Life Science, Huzhou Cent. Hosp., Huzhou University, Huzhou, Zhejiang 313000, China
| | - David E Wedge
- Natural Products Utilization Research Unit, USDA-ARS, University, Mississippi 38677, United States
| | - Cheng-Xia Tan
- College of Chemical Engineering, Research Institue of Pesticide, Zhejiang University of Technology, Hangzhou 310014, China
| | - Jian-Quan Weng
- College of Chemical Engineering, Research Institue of Pesticide, Zhejiang University of Technology, Hangzhou 310014, China
| | - Hong-Ke Wu
- College of Chemical Engineering, Research Institue of Pesticide, Zhejiang University of Technology, Hangzhou 310014, China
| | - Charles L Cantrell
- Natural Products Utilization Research Unit, USDA-ARS, University, Mississippi 38677, United States
| | - Joanna Bajsa-Hirschel
- Natural Products Utilization Research Unit, USDA-ARS, University, Mississippi 38677, United States
| | - Xue-Wen Hua
- College of Agriculture, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Stephen O Duke
- National Center for Natural Product Research (NCNPR), School of Pharmacy, University of Mississippi, University, Mississippi 38677, United States
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6
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Abd El-Aal HAK, El-Emary TI. Synthesis of Tetracyclic Fused Quinolines via a Friedel–Crafts and Beckmann Ring Expansion Sequence. Aust J Chem 2019; 72:945. [DOI: 10.1071/ch19363] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
An efficient protocol for the construction of tetracyclic fused quinolines (pyrazole-fused azepino-, azocino-, and azonino[3,2-b]quinolinones) via consecutive Friedel–Crafts and Beckmann reactions has been developed. The key steps in the syntheses of these new molecular scaffolds involve acid-mediated cyclization of 2-(pyrazol-3-yl)quinoline based carboxylic acids 6a–c, 8, and 12 to ketones 13a–e, followed by Beckmann rearrangements of the corresponding oximes 14a–e to provide the tetracyclic-fused quinoline skeletons 15a–e. Structures of synthesised compounds without stereochemical implication were confirmed by NMR and elemental analyses.
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7
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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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8
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Multi-gram scale synthesis of hunanamycin A, an antibiotic natural product from the marine source. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.07.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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9
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Abstract
This review covers the literature published in 2013 for marine natural products (MNPs), with 982 citations (644 for the period January to December 2013) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1163 for 2013), together with the relevant biological activities, source organisms and country of origin. Reviews, biosynthetic studies, first syntheses, and syntheses that lead to the revision of structures or stereochemistries, have been included.
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Affiliation(s)
- John W Blunt
- Department of Chemistry, University of Canterbury, Christchurch, New Zealand.
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10
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Sutar RL, Kumar V, Shingare RD, Thorat S, Gonnade R, Reddy DS. A General Approach to N-Heterocyclic Carbenes with a Fused Tetracyclic Core: Ligands for Suzuki-Miyaura Cross-Coupling Reaction. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402378] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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