1
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Klaßmüller T, Tringali C, Bracher F. A novel approach to 2-arylmethyl-2,3-dihydro-4(1 H)-quinazolinones. Total synthesis of the alkaloids glycozolone-A and glycozolone-B. Nat Prod Res 2024; 38:119-127. [PMID: 35942894 DOI: 10.1080/14786419.2022.2110095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 07/28/2022] [Indexed: 10/15/2022]
Abstract
2-Arylmethyl-2,3-dihydro-4(1H)-quinazolinones are a small subgroup of the class of quinazolin-4-one alkaloids, and most published total syntheses require the use of unstable and poorly accessible arylacetaldehydes. Here we show that easily available, stable ω-methoxystyrenes are versatile substitutes for arylacetaldehydes. This new methodology was applied to the total synthesis of the alkaloids glycozolone-A and glycozolone-B. The limitations of this new approach were analyzed as well. In this course, new total syntheses of two 2-arylmethyl-4(1H)-quinazolinone alkaloids (glycosminine, 2-(4-hydroxybenzyl)-4(1H)-quinazolinone) were developed as well.
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Affiliation(s)
- Thomas Klaßmüller
- Department of Pharmacy - Center for Drug Research, Ludwig-Maximilians University, Munich, Germany
| | - Claudia Tringali
- Department of Pharmacy - Center for Drug Research, Ludwig-Maximilians University, Munich, Germany
| | - Franz Bracher
- Department of Pharmacy - Center for Drug Research, Ludwig-Maximilians University, Munich, Germany
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2
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Komar M, Kraljević TG, Jerković I, Molnar M. Application of Deep Eutectic Solvents in the Synthesis of Substituted 2-Mercaptoquinazolin-4(3 H)-Ones: A Comparison of Selected Green Chemistry Methods. Molecules 2022; 27:558. [PMID: 35056873 PMCID: PMC8780518 DOI: 10.3390/molecules27020558] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 01/07/2022] [Accepted: 01/14/2022] [Indexed: 11/23/2022] Open
Abstract
In this study, deep eutectic solvents (DESs) were used as green and eco-friendly media for the synthesis of substituted 2-mercaptoquinazolin-4(3H)-ones from different anthranilic acids and aliphatic or aromatic isothiocyanates. A model reaction on anthranilic acid and phenyl isothiocyanate was performed in 20 choline chloride-based DESs at 80 °C to find the best solvent. Based on the product yield, choline chloride:urea (1:2) DES was found to be the most effective, while DESs acted both as solvents and catalysts. Desired compounds were prepared with moderate to good yields using stirring, microwave-assisted, and ultrasound-assisted synthesis. Significantly, higher yields were obtained with mixing and ultrasonication (16-76%), while microwave-induced synthesis showed lower effectiveness (13-49%). The specific contribution of this research is the use of DESs in combination with the above-mentioned green techniques for the synthesis of a wide range of derivatives. The structures of the synthesized compounds were confirmed by 1H and 13C NMR spectroscopy.
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Affiliation(s)
- Mario Komar
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, Franje Kuhača 18, HR-31000 Osijek, Croatia;
| | - Tatjana Gazivoda Kraljević
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev Trg 19, HR-10000 Zagreb, Croatia;
| | - Igor Jerković
- Faculty of Chemistry and Technology, University of Split, Ruđera Boškovića 35, HR-21000 Split, Croatia
| | - Maja Molnar
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, Franje Kuhača 18, HR-31000 Osijek, Croatia;
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3
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Hudson L, Mui J, Vázquez S, Carvalho DM, Williams E, Jones C, Bullock AN, Hoelder S. Novel Quinazolinone Inhibitors of ALK2 Flip between Alternate Binding Modes: Structure-Activity Relationship, Structural Characterization, Kinase Profiling, and Cellular Proof of Concept. J Med Chem 2018; 61:7261-7272. [PMID: 30085668 PMCID: PMC6109843 DOI: 10.1021/acs.jmedchem.8b00782] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Indexed: 01/31/2023]
Abstract
Structure-activity relationship and crystallographic data revealed that quinazolinone-containing fragments flip between two distinct modes of binding to activin receptor-like kinase-2 (ALK2). We explored both binding modes to discover potent inhibitors and characterized the chemical modifications that triggered the flip in binding mode. We report kinase selectivity and demonstrate that compounds of this series modulate ALK2 in cancer cells. These inhibitors are attractive starting points for the discovery of more advanced ALK2 inhibitors.
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Affiliation(s)
- Liam Hudson
- Institute
of Cancer Research, 15 Cotswold Road, Sutton, Surrey SM2 5NG, United
Kingdom
| | - James Mui
- Institute
of Cancer Research, 15 Cotswold Road, Sutton, Surrey SM2 5NG, United
Kingdom
| | - Santiago Vázquez
- Laboratori
de Química Farmacèutica (Unitat Associada al CSIC),
Facultat de Farmàcia i Ciències de l’Alimentació,
and Institute of Biomedicine (IBUB), Universitat
de Barcelona, Av. Joan
XXIII s/n, Barcelona E-08028, Spain
| | - Diana M. Carvalho
- Institute
of Cancer Research, 15 Cotswold Road, Sutton, Surrey SM2 5NG, United
Kingdom
| | - Eleanor Williams
- Structural
Genomics Consortium, University of Oxford, Old Road Campus Research Building,
Roosevelt Drive, Oxford OX3 7DQ, United Kingdom
| | - Chris Jones
- Institute
of Cancer Research, 15 Cotswold Road, Sutton, Surrey SM2 5NG, United
Kingdom
| | - Alex N. Bullock
- Structural
Genomics Consortium, University of Oxford, Old Road Campus Research Building,
Roosevelt Drive, Oxford OX3 7DQ, United Kingdom
| | - Swen Hoelder
- Institute
of Cancer Research, 15 Cotswold Road, Sutton, Surrey SM2 5NG, United
Kingdom
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4
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Saikia UP, Borah G, Pahari P. Lewis-Acid-Catalysed Activation of Nitriles: A Microwave-Assisted Solvent-Free Synthesis of 2,4-Disubstituted Quinazolines and 1,3-Diazaspiro[5.5]undec-1-enes. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701585] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Ujwal Pratim Saikia
- Chemical Science and Technology Division; CSIR-North East Institute of Science and Technology; 785006 Jorhat- Assam India
| | - Geetika Borah
- Department of Chemistry; Dibrugarh University; 786004 Dibrugarh- Assam India
| | - Pallab Pahari
- Chemical Science and Technology Division; CSIR-North East Institute of Science and Technology; 785006 Jorhat- Assam India
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5
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Yu L, Chen X, Liu D, Hu L, Yu Y, Huang H, Tan Z, Gui Q. Direct Synthesis of Primary Anilines via Nickel-mediated C(sp
2
)-H Aminations. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201701371] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Lin Yu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 People's Republic of China
| | - Xiang Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 People's Republic of China
| | - Da Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 People's Republic of China
| | - Liang Hu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 People's Republic of China
| | - Yongqi Yu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 People's Republic of China
| | - Hang Huang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 People's Republic of China
| | - Ze Tan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 People's Republic of China
| | - Qingwen Gui
- College of Science; Hunan Agricultural University; Changsha 410128 People's Republic of China
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6
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Ranjbar-Karimi R, Davodian T, Mehrabi H. Survey Reactivity of Some Substituted Quinazolinones with Pentafluoro(chloro)pyridine. J Heterocycl Chem 2017. [DOI: 10.1002/jhet.3067] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Reza Ranjbar-Karimi
- Department of Chemistry, Faculty of Science; Vali-e-Asr University; Rafsanjan 77176 Iran
| | - Tayebeh Davodian
- Department of Chemistry, Faculty of Science; Vali-e-Asr University; Rafsanjan 77176 Iran
| | - Hossein Mehrabi
- Department of Chemistry, Faculty of Science; Vali-e-Asr University; Rafsanjan 77176 Iran
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7
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Sulfated polyborate: mild, efficient and eco-friendly catalyst for the synthesis of 2,3-dihydroquinazolin-4(1H)-ones. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2017. [DOI: 10.1007/s13738-017-1109-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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8
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Zheng Y, Song WB, Zhang SW, Xuan LJ. Ruthenium-catalyzed oxidative coupling of 2-aryl-4-quinazolinones with olefins: synthesis of pyrrolo[2,1-b]quinazolin-9(1H)-one motifs. Org Biomol Chem 2015; 13:6474-8. [DOI: 10.1039/c5ob00601e] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A ruthenium-catalyzed oxidative coupling of 2-aryl-quinazolinones with olefins via C–H bond activation followed by an intramolecular aza-Michael reaction is described.
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Affiliation(s)
- Yong Zheng
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- P. R. China
| | - Wei-Bin Song
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- P. R. China
| | - Shu-Wei Zhang
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- P. R. China
| | - Li-Jiang Xuan
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- P. R. China
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9
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Birhan YS, Bekhit AA, Hymete A. Synthesis and antileishmanial evaluation of some 2,3-disubstituted-4(3H)-quinazolinone derivatives. Org Med Chem Lett 2014; 4:10. [PMID: 26548988 PMCID: PMC4970432 DOI: 10.1186/s13588-014-0010-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2014] [Accepted: 09/03/2014] [Indexed: 11/22/2022] Open
Abstract
Background Leishmaniasis is a neglected tropical parasitic diseases affecting millions of people around the globe. Quinazolines are a group of compounds with diverse pharmacological activities. Owing to their promising antileishmanial activities, some 3-aryl-2-(substitutedstyryl)-4(3H)-quinazolinones were synthesized in good yields (65.2% to 86.4%). Results The target compounds were synthesized by using cyclization, condensation, and hydrolysis reactions. The structures of the synthesized compounds were determined using elemental microanalysis, infrared (IR), and proton nuclear magnetic resonance (1H NMR). The in vitro antileishmanial activities of the synthesized compounds were evaluated using Leishmania donovani strain. All the synthesized compounds displayed appreciable antileishmanial activities (IC50 values, 0.0128 to 3.1085 μg/ml) as compared to the standard drug miltefosine (IC50 = 3.1911 μg/ml). (E)-2-(4-chlorostyryl)-3-p-tolyl-4(3H)-quinazolinone (7) is the compound with the most promising antileishmanial activities (IC50 = 0.0128 μg/ml) which is approximately 4 and 250 times more active than the standard drugs amphotericin B deoxycholate (IC50 = 0.0460 μg/ml) and miltefosine (IC50 = 3.1911 μg/ml), respectively. Conclusions The results obtained from this investigation indicate that the synthesized and biologically evaluated quinazoline compounds showed promising antileishmanial activities and are good scaffolds for the synthesis of different antileishmanial agents. Electronic supplementary material The online version of this article (doi:10.1186/s13588-014-0010-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yihenew Simegniew Birhan
- Department of Chemistry, Natural and Computational Science College, Debre Markos University, Debre Markos, Ethiopia.
| | - Adnan Ahmed Bekhit
- Department of Pharmaceutical Chemistry, Alexandria University, Alexandria, 21215, Egypt.
| | - Ariaya Hymete
- Department of Pharmaceutical Chemistry and Pharmacognosy, School of Pharmacy, Addis Ababa University, Addis Ababa, Ethiopia.
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10
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Mahernia S, Adib M, Mahdavi M, Nosrati M. A solvent-free reaction between acetophenone oximes and epoxy styrenes: an efficient synthesis of 2,4,6-triarylpyridines under neutral conditions. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.04.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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11
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Li Q, Huang Y, Chen T, Zhou Y, Xu Q, Yin SF, Han LB. Copper-catalyzed aerobic oxidative amination of sp3 C-H bonds: efficient synthesis of 2-hetarylquinazolin-4(3H)-ones. Org Lett 2014; 16:3672-5. [PMID: 24977337 DOI: 10.1021/ol501454j] [Citation(s) in RCA: 97] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
An efficient synthesis of 2-hetarylquinazolin-4(3H)-ones via copper-catalyzed direct aerobic oxidative amination of sp(3)C-H bonds has been developed. This tandem oxidation-amination-cyclization transformation represents a straightforward protocol to prepare 2-hetaryl-substituted quinazolinones from easily available 2-aminobenzamides and (2-azaaryl)methanes.
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Affiliation(s)
- Qiang Li
- State Key Laboratory of Chemo/Biosensing and Chemo metrics, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
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12
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Gawande MB, Bonifácio VDB, Luque R, Branco PS, Varma RS. Solvent-free and catalysts-free chemistry: a benign pathway to sustainability. CHEMSUSCHEM 2014; 7:24-44. [PMID: 24357535 DOI: 10.1002/cssc.201300485] [Citation(s) in RCA: 176] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
In the past decade, alternative benign organic methodologies have become an imperative part of organic syntheses and chemical reactions. The various new and innovative sustainable organic reactions and methodologies using no solvents or catalysts and employing alternative energy inputs such as microwaves, sonication, conventional and room temperature heating conditions, mechanochemical mixing, and high-speed ball milling are discussed in detail. Environmentally benign and pharmaceutically important reactions such as multicomponent, condensation, and Michael addition reactions; ring opening of epoxides; and oxidation and other significant organic reactions are discussed. An overview of benign reactions through solvent- and catalyst-free (SF-CF) chemistry and a critical perspective on emerging synergies between SF-CF organic reactions are discussed.
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Affiliation(s)
- Manoj B Gawande
- REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica (Portugal), Fax: (+351) 21-2948550; current address: Regional Centre of Advanced Technologies and Materials, Faculty of Science, Department of Physical Chemistry, Palacky University, 17. listopadu 12, 771 46 Olomouc (Czech Republic). ,
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13
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Aikawa S, Sekiguchi C, Yamazaki Y, Hattori M, Isaka T, Yoshida Y, Ihara S. Synthesis of 2-Arylquinazolin-4(3H)-ones byN-Aryl Benzamidines with Aromatic Carbonates. J Heterocycl Chem 2013. [DOI: 10.1002/jhet.1638] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Shunichi Aikawa
- Bio-Nano Electronics Research Center; Toyo University; Kujirai Kawagoe Saitama 350-8585 Japan
| | - Chiharu Sekiguchi
- Department of Applied Chemistry, Faculty of Science and Engineering; Toyo University; Kujirai Kawagoe Saitama 350-8585 Japan
| | - Yuko Yamazaki
- Department of Applied Chemistry, Faculty of Science and Engineering; Toyo University; Kujirai Kawagoe Saitama 350-8585 Japan
| | - Mika Hattori
- Department of Applied Chemistry, Faculty of Science and Engineering; Toyo University; Kujirai Kawagoe Saitama 350-8585 Japan
| | - Tatsuya Isaka
- Department of Applied Chemistry, Faculty of Science and Engineering; Toyo University; Kujirai Kawagoe Saitama 350-8585 Japan
| | - Yasuhiko Yoshida
- Bio-Nano Electronics Research Center; Toyo University; Kujirai Kawagoe Saitama 350-8585 Japan
- Department of Applied Chemistry, Faculty of Science and Engineering; Toyo University; Kujirai Kawagoe Saitama 350-8585 Japan
| | - Shogo Ihara
- Department of Applied Chemistry, Faculty of Science and Engineering; Toyo University; Kujirai Kawagoe Saitama 350-8585 Japan
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14
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Iron-Catalyzed One-Pot 2,3-Diarylquinazolinone Formation from 2-Nitrobenzamides and Alcohols. Org Lett 2013; 15:4900-3. [DOI: 10.1021/ol402350x] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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15
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Sim YL, Omer N, Khan MN, Pratt LM. Ultraviolet–visible study on acid–base equilibria of 2-substituted-4(3H)-quinazolinones. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.01.067] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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16
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Kang SG, Kim H, Bang S, Kwak CH. Cycloaddition of salicylaldehyde to nitrile: Synthesis and characterization of new macrocyclic copper(II) complexes bearing a heterobicyclic functional pendant arm. Inorganica Chim Acta 2013. [DOI: 10.1016/j.ica.2012.11.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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17
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Panja SK, Saha S. Recyclable, magnetic ionic liquid bmim[FeCl4]-catalyzed, multicomponent, solvent-free, green synthesis of quinazolines. RSC Adv 2013. [DOI: 10.1039/c3ra42039f] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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18
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Panja SK, Dwivedi N, Saha S. I2-Catalyzed three-component protocol for the synthesis of quinazolines. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.08.016] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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19
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Adib M, Sheikhi E, Karimzadeh M, Bijanzadeh HR, Amanlou M. One-Pot Four-Component Synthesis of N2-Alkyl-N3-[2-(1,3,4-oxadiazol-2-yl)aryl]benzofuran-2,3-diamines. Helv Chim Acta 2012. [DOI: 10.1002/hlca.201100403] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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20
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Microwave-assisted reaction between 2-aminobenzoic acids, 2-hydroxybenzaldehydes, and arylboronic acids: a one-pot three-component synthesis of bridgehead bicyclo[4.4.0]boron heterocycles. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.02.030] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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21
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Xu L, Jiang Y, Ma D. Synthesis of 3-substituted and 2,3-disubstituted quinazolinones via Cu-catalyzed aryl amidation. Org Lett 2012; 14:1150-3. [PMID: 22313025 DOI: 10.1021/ol300084v] [Citation(s) in RCA: 145] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
CuI/4-hydroxy-L-proline catalyzed coupling of N-substituted o-bromobenzamides with formamide takes place at 80 °C, affording 3-substituted quinazolinones directly. Under these conditions other amides that were tested only provided simple coupling products, which can be converted into 2,3-disubstituted quinazolinones via HMDS/ZnCl(2) mediated condensative cyclization.
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Affiliation(s)
- Lanting Xu
- Department of Chemistry, Fudan University, Shanghai 200433, China
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22
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Tka N, Ben Hassine B. New Chiral Aminoamidoximes: Syntheses and Investigation of Heterocyclic Compounds. SYNTHETIC COMMUN 2011. [DOI: 10.1080/00397911.2010.531441] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Najeh Tka
- a Laboratoire de Synthèse Organique Asymétrique et Catalyse Homogène, Faculté des Sciences de Monastir , Monastir , Tunisia
| | - Béchir Ben Hassine
- a Laboratoire de Synthèse Organique Asymétrique et Catalyse Homogène, Faculté des Sciences de Monastir , Monastir , Tunisia
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23
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Zhou J, Fang J. One-Pot Synthesis of Quinazolinones via Iridium-Catalyzed Hydrogen Transfers. J Org Chem 2011; 76:7730-6. [DOI: 10.1021/jo201054k] [Citation(s) in RCA: 191] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Jianguang Zhou
- Chemical and Analytical Development, Suzhou Novartis Pharma Technology Company Limited, Changshu, Jiangsu, China 215537
| | - Jie Fang
- Chemical and Analytical Development, Suzhou Novartis Pharma Technology Company Limited, Changshu, Jiangsu, China 215537
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24
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Adib M, Sheikhi E, Deljoush A. Reaction between triphenylphosphine and aromatic amines in the presence of diethyl azodicarboxylate: an efficient synthesis of aryliminophosphoranes under neutral and mild conditions. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.03.097] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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25
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Adib M, Sheikhi E, Rezaei N. One-pot synthesis of imidazo[1,2-a]pyridines from benzyl halides or benzyl tosylates, 2-aminopyridines and isocyanides. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.04.002] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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26
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Solvent-free reaction between acenaphthoquinone, various benzils and ammonium acetate: synthesis of 9,10-diaryl-7H-benzo[d,e]imidazo[2,1-a]isoquinolin-7-ones. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.01.091] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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27
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1-Methylimidazole-catalyzed reaction between tosylmethyl isocyanide and dialkyl acetylenedicarboxylates: An efficient synthesis of functionalized pyrroles. CHINESE CHEM LETT 2011. [DOI: 10.1016/j.cclet.2010.10.032] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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28
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Ma C, Li Y, Niu S, Zhang H, Liu X, Che Y. N-hydroxypyridones, phenylhydrazones, and a quinazolinone from Isaria farinosa. JOURNAL OF NATURAL PRODUCTS 2011; 74:32-37. [PMID: 21158423 DOI: 10.1021/np100568w] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
New N-hydroxypyridones, militarinones E (1) and F (2), phenylhydrazones, farylhydrazones A (3) and B (4), a quinazolinone, 2-(4-hydroxybenzyl)quinazolin-4(3H)-one (5), and the known militarinones A (6) and B (7) were isolated from cultures of the Cordyceps-colonizing fungus Isaria farinosa. The structures of 1-5 were elucidated by spectroscopic methods, and 3 was confirmed by X-ray crystallography. The absolute configuration of the C-4' secondary alcohol in 1 was deduced via the circular dichroism data of the in situ formed [Rh(2)(OCOCF(3))(4)] complex. Compounds 1 and 6 showed significant cytotoxicity against A549 cells, whereas 7 was active against Staphylococcus aureus, Streptococcus pneumoniae, and Candida albicans.
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Affiliation(s)
- Cheng Ma
- Key Laboratory of Systematic Mycology & Lichenology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
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Adib M, Sheikhi E, Kavoosi A, Bijanzadeh HR. Synthesis of 2-(alkylamino)-5-{alkyl[(2-oxo-2H-chromen-3-yl)carbonyl]amino}-3,4-furandicarboxylates using a multi-component reaction in water. Tetrahedron 2010. [DOI: 10.1016/j.tet.2010.09.032] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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A practical and versatile approach toward a one-pot synthesis of 2,3-disubstituted 4(3H)-quinazolinones. MONATSHEFTE FUR CHEMIE 2010. [DOI: 10.1007/s00706-010-0341-1] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Ionic liquid 1-butyl-3-methylimidazolium bromide ([bmim]Br): A green and neutral reaction media for the efficient, catalyst-free synthesis of quinoxaline derivatives. JOURNAL OF THE SERBIAN CHEMICAL SOCIETY 2010. [DOI: 10.2298/jsc091014109z] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Quinoxaline derivatives were produced in excellent yields and short reaction
times via the condensation of 1,2-diamines with 1,2-diketones in the neutral
ionic liquid 1-butyl-3-methylimidazolium bromide ([bmim]Br) under
catalyst-free and microwave irradiation conditions.
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