1
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Frecentese F, Sodano F, Corvino A, Schiano ME, Magli E, Albrizio S, Sparaco R, Andreozzi G, Nieddu M, Rimoli MG. The Application of Microwaves, Ultrasounds, and Their Combination in the Synthesis of Nitrogen-Containing Bicyclic Heterocycles. Int J Mol Sci 2023; 24:10722. [PMID: 37445897 DOI: 10.3390/ijms241310722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 06/20/2023] [Accepted: 06/24/2023] [Indexed: 07/15/2023] Open
Abstract
The use of alternative energy sources, such as microwaves (MW) or ultrasounds (US), and their mutual cross-combination have been widely described in the literature in the development of new synthetic methodologies in organic and medicinal chemistry. In this review, our attention is focused on representative examples, reported in the literature in the year range 2013-2023 of selected N-containing bicyclic heterocycles, with the aim to highlight the advantages of microwave- and ultrasound-assisted organic synthesis.
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Affiliation(s)
| | - Federica Sodano
- Department of Pharmacy, "Federico II" University of Naples, 80131 Naples, Italy
| | - Angela Corvino
- Department of Pharmacy, "Federico II" University of Naples, 80131 Naples, Italy
| | | | - Elisa Magli
- Department of Pharmacy, "Federico II" University of Naples, 80131 Naples, Italy
| | - Stefania Albrizio
- Department of Pharmacy, "Federico II" University of Naples, 80131 Naples, Italy
| | - Rosa Sparaco
- Department of Pharmacy, "Federico II" University of Naples, 80131 Naples, Italy
| | - Giorgia Andreozzi
- Department of Pharmacy, "Federico II" University of Naples, 80131 Naples, Italy
| | - Maria Nieddu
- Department of Medicine, Surgery and Pharmacy, University of Sassari, 07100 Sassari, Italy
| | - Maria Grazia Rimoli
- Department of Pharmacy, "Federico II" University of Naples, 80131 Naples, Italy
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2
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Mahmoud HK, Selim NHM, Elwahy AHM, Abdelhamid IA, Diab HM. Microwave-Assisted Hantzsch-Like Synthesis of Novel Bis(Tetrahydrobenzo[4,5]Imidazo[2,1- b]Quinazolinones). Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2151476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Huda Kamel Mahmoud
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | | | - Ahmed H. M. Elwahy
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | | | - Hadeer M. Diab
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
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3
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Salem ME, Fares IMZ, Ghozlan SAS, Elwahy AHM, Abdelhamid IA. Hantzsch-like three-component synthesis of bis(1,4-dihydropyridines) and bis(fused-1,4-dihydropyridines) linked to piperazine core via 2-phenoxyethanone linkage: Novel hybrid molecules. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2022.2122844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Mostafa E. Salem
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
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4
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Shabir G, Shafique I, Saeed A. Ultrasound Assisted Synthesis of 5‐7 Membered Heterocyclic Rings in Organic Molecules. J Heterocycl Chem 2022. [DOI: 10.1002/jhet.4527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ghulam Shabir
- Department of Chemistry Quaid‐I‐Azam University Islamabad Pakistan
- College of Arts and Science University of Chakwal Punjab Pakistan
| | - Imran Shafique
- Department of Chemistry Quaid‐I‐Azam University Islamabad Pakistan
| | - Aamer Saeed
- Department of Chemistry Quaid‐I‐Azam University Islamabad Pakistan
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5
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Borah B, Chowhan LR. Ultrasound-assisted transition-metal-free catalysis: a sustainable route towards the synthesis of bioactive heterocycles. RSC Adv 2022; 12:14022-14051. [PMID: 35558846 PMCID: PMC9092113 DOI: 10.1039/d2ra02063g] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 04/27/2022] [Indexed: 12/13/2022] Open
Abstract
Heterocycles of synthetic and natural origin are a well-established class of compounds representing a broad range of organic molecules that constitute over 60% of drugs and agrochemicals in the market or research pipeline. Considering the vast abundance of these structural motifs, the development of chemical processes providing easy access to novel complex target molecules by introducing environmentally benign conditions with the main focus on improving the cost-effectiveness of the chemical transformation is highly demanding and challenging. Accordingly, sonochemistry appears to be an excellent alternative and a highly feasible environmentally benign energy input that has recently received considerable and steadily increasing interest in organic synthesis. However, the involvement of transition-metal-catalyst(s) in a chemical process often triggers an unintended impact on the greenness or sustainability of the transformation. Consequently, enormous efforts have been devoted to developing metal-free routes for assembling various heterocycles of medicinal interest, particularly under ultrasound irradiation. The present review article aims to demonstrate a brief overview of the current progress accomplished in the ultrasound-assisted synthesis of pharmaceutically relevant diverse heterocycles using transition-metal-free catalysis.
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Affiliation(s)
- Biplob Borah
- School of Applied Material Sciences, Centre for Applied Chemistry, Central University of Gujarat Gandhinagar-382030 India
| | - L Raju Chowhan
- School of Applied Material Sciences, Centre for Applied Chemistry, Central University of Gujarat Gandhinagar-382030 India
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6
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Sajadikhah SS, Liravi-Deylami B. Green Synthesis of Benzoimidazopyrimidine, Benzimidazoloquinazolinone,
Triazolopyrimidine and Triazoloquinazolinone Derivatives Catalyzed by
Oxalic Acid Dihydrate. LETT ORG CHEM 2022. [DOI: 10.2174/1570178618666210506120228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Abstract:
Benzoimidazopyrimidine, benzimidazoloquinazolinone, triazolopyrimidine, and triazoloquinazolinone
derivatives were synthesized via a one-pot multi-component reaction in the presence of
a catalytic amount of oxalic acid dihydrate. The reactions were performed in the mixture of EtOH:H2O
or under solvent-free conditions as green media. The advantageous features of these methodologies are
inexpensive starting materials and catalyst, high atom economy and good yields, and metal-free synthesis.
Moreover, all the products were obtained by simple filtration, and no need for column chromatography
or tedious separation procedures, which is very important in terms of reducing environmental
pollutions.
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Affiliation(s)
- Seyed Sajad Sajadikhah
- Department of Chemistry, Payame Noor University (PNU), P.O. Box 19395-3697, Tehran, Iran
| | - Bagher Liravi-Deylami
- Department of Chemistry, Payame Noor University (PNU), P.O. Box 19395-3697, Tehran, Iran
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7
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Devi M, Singh R, Sindhu J, Kumar A, Lal S, Kumar R, Hussain K, Sachdeva M, Singh D, Kumar P. Sonochemical Protocols for Heterocyclic Synthesis: A Representative Review. Top Curr Chem (Cham) 2022; 380:14. [PMID: 35149908 DOI: 10.1007/s41061-022-00369-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Accepted: 01/23/2022] [Indexed: 11/30/2022]
Abstract
In the present era of the industrial revolution, we all are familiar with ever-increasing environmental pollution released from various chemical processes. Chemical production has had a severe impact on the environment and human health. For the betterment of our environment, the chemical community has turned their interest to developing green, harmless and sustainable synthetic processes. To accomplish these goals of green chemistry, the extraordinary properties of sonication play an important role. It is well known that sonochemistry can make decisive contributions to creating high pressures of almost 1000 atm and very high temperatures in the range of 4500-5000 °C. The implementation of ultrasound in chemical transformations somehow fulfils the measures of green chemistry, as it reduces energy consumption, enhances product selectivity, and uses lesser amounts of hazardous chemicals and solvents. Furthermore, heterocyclic synthesis under ultrasonication offers several environmental and process-related advantages compared with conventional methods. The remarkable contribution of ultrasonics to the development of green and sustainable synthetic routes inspired us to write this article. Herein, we have discussed only some of the various synthetic methodologies developed for the construction of heterocyclic cores under ultrasonic irradiation, accompanied by mechanistic insights. In some cases, a comparison between sonochemical conditions and conventional conditions has also been investigated. We emphasized principally 'up to date' developments on various sono-accelerated chemical transformations comprising aza-Michael, aldol reactions, C-C couplings, oxidation, cycloadditions, multi-component reactions, etc. for the synthesis of heterocycles.
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Affiliation(s)
- Meena Devi
- Department of Chemistry, Kurukshetra University, Kurukshetra, 136119, India
| | - Rahul Singh
- Department of Chemistry, Kurukshetra University, Kurukshetra, 136119, India
| | - Jayant Sindhu
- Department of Chemistry, COBS & H, CCS Haryana Agricultural University, Hisar, 125004, India
| | - Ashwani Kumar
- Guru Jambheshwar University of Science and Technology, Department of Pharmaceutical Sciences, Hisar, 125001, India
| | - Sohan Lal
- Department of Chemistry, Kurukshetra University, Kurukshetra, 136119, India
| | - Ramesh Kumar
- Department of Chemistry, Kurukshetra University, Kurukshetra, 136119, India
| | - Khalid Hussain
- Department of Applied Sciences and Humanities, Mewat Engineering College, Nuh, 122107, India
| | - Megha Sachdeva
- Department of Chemistry, Center of Advanced Study in Chemistry, Panjab University, Chandigarh, 160014, India
| | - Devender Singh
- Department of Chemistry, Maharshi Dayanand University, Rohtak, 124001, India
| | - Parvin Kumar
- Department of Chemistry, Kurukshetra University, Kurukshetra, 136119, India.
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8
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Ahmad Mir S, Meher RK, Baitharu I, Nayak B. Molecular dynamic simulation, free binding energy calculation of Thiazolo-[2,3-b]quinazolinone derivatives against EGFR-TKD and their anticancer activity. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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9
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Mittersteiner M, Farias FFS, Bonacorso HG, Martins MAP, Zanatta N. Ultrasound-assisted synthesis of pyrimidines and their fused derivatives: A review. ULTRASONICS SONOCHEMISTRY 2021; 79:105683. [PMID: 34562732 PMCID: PMC8473776 DOI: 10.1016/j.ultsonch.2021.105683] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 07/12/2021] [Accepted: 07/20/2021] [Indexed: 06/09/2023]
Abstract
The pyrimidine scaffold is present in many bioactive drugs; therefore, efficient synthetic routes that provide shorter reaction times, higher yields, and site-selective reactions are constantly being sought. Ultrasound (US) irradiation has emerged as an alternative energy source in the synthesis of these heterocyclic scaffolds, and over the last ten years there has been a significant increase in the number of publications mentioning US in either the construction or derivatization of the pyrimidine core. This review presents a detailed summary (with 140 references) of the effects of US (synergic or not) on the construction and derivatization of the pyrimidine core through classical reactions (e.g., multicomponent, cyclocondensation, cycloaddition, and alkylation reactions). The main points that were taken into consideration are as follows: chemo- and regioselectivity issues, and the results of conventional heating methods compared to US and mechanistic insights that are also presented and discussed for key reactions.
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Affiliation(s)
- Mateus Mittersteiner
- Núcleo de Química de Heterociclos (NUQUIMHE), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, Brazil.
| | - Fellipe F S Farias
- Núcleo de Química de Heterociclos (NUQUIMHE), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, Brazil
| | - Helio G Bonacorso
- Núcleo de Química de Heterociclos (NUQUIMHE), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, Brazil
| | - Marcos A P Martins
- Núcleo de Química de Heterociclos (NUQUIMHE), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, Brazil
| | - Nilo Zanatta
- Núcleo de Química de Heterociclos (NUQUIMHE), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, Brazil.
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10
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Hawass MAE, Sanad SMH, Elwahy AHM, Abdelhamid IA. Hantzsch synthesis of bis(pyrido[2,3-d:6,5-d']dipyrimidines), bis(pyrimido[4,5-b]quinolines), and bis(benzo[4,5]imidazo[2,1-b]quinazolines) linked to pyrazole units as novel hybrid molecules. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.1913604] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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11
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Moussa A, Rahmati A. Synthesis and characterization of silica‐coated Fe
3
O
4
nanoparticle@silylpropyl triethylammonium polyoxometalate as an organic–inorganic hybrid heterogeneous catalyst for the one‐pot synthesis of tetrahydrobenzimidazo[2,1‐
b
]quinazolin‐1(2
H
)‐ones. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5894] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
| | - Abbas Rahmati
- Department of Chemistry University of Isfahan Isfahan Iran
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12
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Malamiri F, Khaksar S, Badri R, Tahanpesar E. Solvent-mediated Highly Efficient Synthesis of [1,2,4]triazolo/benzimidazoloquinazolinone Derivatives. Curr Org Synth 2020; 16:1185-1190. [PMID: 31984925 DOI: 10.2174/1570179416666191018145142] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 09/03/2019] [Accepted: 10/01/2019] [Indexed: 11/22/2022]
Abstract
OBJECTIVE An efficient and catalyst-free procedure for the synthesis of [1,2,4]triazolo/benzimidazolo quinazolinones has been developed in 2,2,2-trifluoroethanol or deep eutectic solvent(DESs) as a clean reaction media. METHODS All of the obtained products are known compounds and identified by IR, 1HNMR,13CNMR, and melting points. RESULT Various products were obtained in good to excellent yields under reaction conditions. CONCLUSION We have efficiently developed a practical and catalyst-free approach for the synthesis of [1,2,4]triazolo/benzimidazolo quinazolinones employing TFE as a clean and reusable media.
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Affiliation(s)
- Fatemeh Malamiri
- Department of Chemistry, Khouzestan Science and Research Branch, Islamic Azad University, Ahvaz, Iran
| | - Samad Khaksar
- Department of Chemistry, Ayatollah Amoli Branch, Islamic Azad University, Amol, Iran
| | - Rashid Badri
- Department of Chemistry, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
| | - Elham Tahanpesar
- Department of Chemistry, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
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13
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Mohanta PP, Pati HN, Behera AK. The construction of fluorophoric thiazolo-[2,3- b]quinazolinone derivatives: a multicomponent domino synthetic approach. RSC Adv 2020; 10:15354-15359. [PMID: 35495457 PMCID: PMC9052208 DOI: 10.1039/d0ra01066a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 03/28/2020] [Indexed: 01/19/2023] Open
Abstract
Acid-mediated one-pot domino reactions of substituted 2-amino thiazoles, substituted benzaldehydes and cyclic diketones have been developed for the synthesis of novel and architecturally unique thiazolo[2,3-b]quinazolinone derivatives under microwave irradiation. In this protocol, a series of thiazolo[2,3-b]quinazolinone derivatives have been synthesized and the excellent fluorescence behaviors of some of the molecules have been reported based on the incorporation of different electron-donating and electron-withdrawing substituents on the aryl moieties of the target molecules. A library of unique fluorophoric thiazolo[2,3-b]quinazolinones were synthesized under acid catalyzed one pot microwave irradiation technique.![]()
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Affiliation(s)
| | - Hari Narayan Pati
- School of Chemistry, Sambalpur University Jyoti Vihar Burla-768019 India
| | - Ajaya Kumar Behera
- School of Chemistry, Sambalpur University Jyoti Vihar Burla-768019 India
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14
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Fares IMZ, Mekky AEM, Elwahy AHM, Abdelhamid IA. Microwave-assisted three component synthesis of novel bis-fused quinazolin-8(4 H)-ones linked to aliphatic or aromatic spacer viaamide linkages. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1725575] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
| | - Ahmed E. M. Mekky
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
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15
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Khaligh NG, Titinchi SJJ, Johan MR, Ching JJ. Synthesis of Tetrahydrotriazoloacridine Derivatives Using an Efficient and Reusable Poly-Organocatalyst. Polycycl Aromat Compd 2020. [DOI: 10.1080/10406638.2017.1417874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Nader Ghaffari Khaligh
- Research House of Professor Reza, Education Guilan, Rasht, Iran
- Nanotechnology and Catalysis Research Center, Institute of Postgraduate Studies, University of Malaya, Kuala Lumpur, Malaysia
| | - Salam J. J. Titinchi
- Department of Chemistry, University of the Western Cape, Bellville, Cape Town, South Africa
| | - Mohad Rafie Johan
- Nanotechnology and Catalysis Research Center, Institute of Postgraduate Studies, University of Malaya, Kuala Lumpur, Malaysia
| | - Juan Joon Ching
- Nanotechnology and Catalysis Research Center, Institute of Postgraduate Studies, University of Malaya, Kuala Lumpur, Malaysia
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16
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Castrejon-Flores JL, Guevara-Moreno OE, Díaz-Contreras RR, Gutiérrez-Carrillo A, Franco-Pérez M, Suárez-Moreno GV, Zamudio-Medina A. Multicomponent one-pot synthesis of (dihydro-1 H-benzo[ d]imidazole) phosphonate. PHOSPHORUS SULFUR 2019. [DOI: 10.1080/10426507.2019.1602834] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- José Luis Castrejon-Flores
- Unidad Profesional Interdisciplinaria de Biotecnología, Instituto Politécnico Nacional, Ciudad de México, México
| | - Oscar Ernesto Guevara-Moreno
- Unidad Profesional Interdisciplinaria de Biotecnología, Instituto Politécnico Nacional, Ciudad de México, México
| | - Raúl Ricardo Díaz-Contreras
- Unidad Profesional Interdisciplinaria de Biotecnología, Instituto Politécnico Nacional, Ciudad de México, México
| | - Atilano Gutiérrez-Carrillo
- Departamento de Química, División de Ciencias Básicas e Ingeniería, Universidad Autónoma Metropolitana-Iztapalapa, Ciudad de México, México
| | - Marco Franco-Pérez
- Departamento de Física y Química Teórica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de México, México
| | | | - Angel Zamudio-Medina
- Unidad Profesional Interdisciplinaria de Biotecnología, Instituto Politécnico Nacional, Ciudad de México, México
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17
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Shearer C, Desaunay O, Zorc S, Richaud AD, Samanta SS, Jeedimalla N, Roche SP. Intercepted-Knoevenagel condensation for the synthesis of unsymmetrical fused-tricyclic 4 H-pyrans. Tetrahedron 2019; 75:130606. [PMID: 31741543 PMCID: PMC6859900 DOI: 10.1016/j.tet.2019.130606] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
4H-Pyrans (4H-Pys) and 1,4-dihydropyridines (1,4-DHPs) are important classes of heterocyclic scaffolds in medicinal chemistry. Herein, an indium(III)-catalyzed one-pot domino reaction for the synthesis of highly functionalized 4H-Pys, and a model of 1,4-DHP is reported. This alternative approach to the challenging Hantzsch 4-component reaction enables the synthesis of fused-tricyclic heterocycles, and the mechanistic studies underline the importance of an intercepted-Knoevenagel adduct to achieve higher chemoselectivity towards these types of unsymmetrical heterocycles.
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Affiliation(s)
- Charles Shearer
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, FL 33431, United States
| | - Oriane Desaunay
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, FL 33431, United States
| | - Stephen Zorc
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, FL 33431, United States
| | - Alexis D. Richaud
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, FL 33431, United States
| | - Shyam S. Samanta
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, FL 33431, United States
| | - Nagalakshmi Jeedimalla
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, FL 33431, United States
| | - Stéphane P. Roche
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, FL 33431, United States
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18
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Ziyaei Halimehjani A, Barati V, Karimi M. Synthesis of a novel tetracationic acidic organic salt based on DABCO and its applications as catalyst in the Knoevenagel condensation reactions in water. SYNTHETIC COMMUN 2019. [DOI: 10.1080/00397911.2019.1570268] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
| | - Vahid Barati
- Faculty of Chemistry, Kharazmi University, Tehran, Iran
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19
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Rathwa SK, Vasava MS, Bhoi MN, Borad MA, Patel HD. Recent advances in the synthesis of C-5-substituted analogs of 3,4-dihydropyrimidin-2-ones: A review. SYNTHETIC COMMUN 2018. [DOI: 10.1080/00397911.2017.1423503] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Sanjay K. Rathwa
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, India
| | - Mahesh S. Vasava
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, India
| | - Manoj N. Bhoi
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, India
| | - Mayuri A. Borad
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, India
| | - Hitesh D. Patel
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, India
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20
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Kumar S, Ho PH, Barve IJ, Sun CM. Enantiospecific Synthesis of Imidazoquinazolin-2-ones via Base-Catalyzed Tandem Cyclization. ChemistrySelect 2017. [DOI: 10.1002/slct.201701686] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Sunil Kumar
- Department of Applied Chemistry; National Chiao-Tung University; Hsinchu 300-10 Taiwan, R.O.C
| | - Pei-Heng Ho
- Department of Applied Chemistry; National Chiao-Tung University; Hsinchu 300-10 Taiwan, R.O.C
| | - Indrajeet J. Barve
- Department of Applied Chemistry; National Chiao-Tung University; Hsinchu 300-10 Taiwan, R.O.C
| | - Chung-Ming Sun
- Department of Applied Chemistry; National Chiao-Tung University; Hsinchu 300-10 Taiwan, R.O.C
- Department of Medicinal and Applied Chemistry; Kaohsiung Medical University; 100, Shih-Chuan 1 Road Kaohsiung 807-08 Taiwan, R.O.C
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21
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Khaligh NG. Synthesis of Tetrahydrotriazoloacridines: A Synergistic Effect of Microwave Irradiation and Brönsted Acidic Ionic Liquids. J Heterocycl Chem 2017. [DOI: 10.1002/jhet.2955] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Nader Ghaffari Khaligh
- Research House of Professor Reza, Education Guilan; Rasht District 1 41569-17139 Iran
- Nanotechnology and Catalysis Research Center, Institute of Postgraduate Studies; University of Malaya; 3rd Floor, Block A 50603 Kuala Lumpur Malaysia
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Banerjee B. Recent developments on ultrasound-assisted one-pot multicomponent synthesis of biologically relevant heterocycles. ULTRASONICS SONOCHEMISTRY 2017; 35:15-35. [PMID: 27771265 DOI: 10.1016/j.ultsonch.2016.10.010] [Citation(s) in RCA: 139] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2016] [Revised: 09/24/2016] [Accepted: 10/13/2016] [Indexed: 05/04/2023]
Abstract
Heterocycles are the backbone of organic compounds. Specially, N- &O-containing heterocycles represent privileged structural subunits well distributed in naturally occurring compounds with immense biological activities. Multicomponent reactions (MCRs) are becoming valuable tool for synthesizing structurally diverse molecular entities. On the other hand, the last decade has seen a tremendous outburst in modifying chemical processes to make them sustainable for the betterment of our environment. The application of ultrasound in organic synthesis is fulfilling some of the goals of 'green and sustainable chemistry' as it has some advantages over the traditional thermal methods in terms of reaction rates, yields, purity of the products, product selectivity, etc. Therefore the synthesis of biologically relevant heterocycles using one-pot multi-component technique coupled with the application of ultrasound is one of the thrusting areas in the 21st Century among the organic chemists. The present review deals with the "up to date" developments on ultrasound assisted one-pot multi-component synthesis of biologically relevant heterocycles reported so far.
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Affiliation(s)
- Bubun Banerjee
- Department of Chemistry, Indus International University, V.P.O. Bathu, Distt. Una, Himachal Pradesh 174301, India.
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23
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Banerjee B. Recent Developments on Ultrasound-Assisted Synthesis of Bioactive N-Heterocycles at Ambient Temperature. Aust J Chem 2017. [DOI: 10.1071/ch17080] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
N-Heterocycles represent privileged structural subunits well distributed in naturally occurring compounds with immense biological activities. The last decade has seen a tremendous practice to carry out reactions at ambient temperature avoiding harsh reaction conditions. By applying ultrasonic radiation in organic synthesis we can make synthetic protocols more sustainable and can carry out reactions at room temperature avoiding the traditional thermal harsh reaction conditions. Therefore the synthesis of biologically relevant N-heterocycles at room temperature under the influence of ultrasonic irradiation is one of the advancing areas in the 21st century among organic chemists. The present review summarises the latest developments on ultrasound-assisted synthesis of biologically relevant N-heterocycles at ambient temperature.
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24
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Task specific dicationic acidic ionic liquids catalyzed efficient and rapid synthesis of benzoxanthenones derivatives. J Mol Liq 2016. [DOI: 10.1016/j.molliq.2016.07.128] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Wet-osot S, Duangkamol C, Phakhodee W, Pattarawarapan M. Ultrasound-Assisted Solvent-Free Parallel Synthesis of 3-Arylcoumarins Using N-Acylbenzotriazoles. ACS COMBINATORIAL SCIENCE 2016; 18:279-82. [PMID: 27191624 DOI: 10.1021/acscombsci.6b00055] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An ultrasound-assisted one-pot acylation/cyclization reaction between N-acylbenzotriazoles and 2-hydroxybenzaldehydes has been developed for the synthesis of substituted 3-arylcoumarins. Using ultrasound not only allows rapid and clean conversion but also simplifies experimental setup and parallel workup leading to rapid generation of 3-arylcoumarin libraries under mild, solvent-free, and chromatography-free conditions.
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Affiliation(s)
- Sirawit Wet-osot
- Department of Chemistry and
Center of Excellence for Innovation in Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Chuthamat Duangkamol
- Department of Chemistry and
Center of Excellence for Innovation in Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Wong Phakhodee
- Department of Chemistry and
Center of Excellence for Innovation in Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Mookda Pattarawarapan
- Department of Chemistry and
Center of Excellence for Innovation in Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
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Maiti B, Chanda K. Diversity oriented synthesis of benzimidazole-based biheterocyclic molecules by combinatorial approach: a critical review. RSC Adv 2016. [DOI: 10.1039/c6ra06930d] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Because of the wide ranging bioactivities associated with the benzimidazole nucleus, this review highlights the advances made in the synthesis of benzimidazole-based biheterocyclic molecules by combinatorial approaches.
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Affiliation(s)
- Barnali Maiti
- Department of Chemistry
- School of Advanced Sciences
- VIT University
- Vellore-632014
- India
| | - Kaushik Chanda
- Department of Chemistry
- School of Advanced Sciences
- VIT University
- Vellore-632014
- India
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