1
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Zhou X, Qian F, Zhou W, Wang A, Hou T, Tian X, Ji S, He M, Qian J. Cooperation between the Cu + and Cu 2+ species in CuCoAl layered double hydroxide and the substrate promoting effect afford a really simple protocol for the efficient synthesis of quinazolines. Org Biomol Chem 2024; 22:4494-4501. [PMID: 38742377 DOI: 10.1039/d4ob00481g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
In this study, a really simple and efficient catalytic protocol for the construction of quinazolines from alcohol and diamine has been developed based on CuCoAl layered double hydroxide (CuCoAl-LDH). The developed CuCoAl-LDH catalyst could accelerate the cascade reactions without any additives and tolerate various alcohols with satisfactory yields. Cooperation between the Cu+ and Cu2+ species in CuCoAl-LDH was observed in the cascade reaction, and they are believed to be responsible for the oxidation of alcohol and dehydrogenation of the intermediate, respectively. The promoting effect of the substrate diamine was observed in the oxidation of alcohol, which simplifies the reaction system by eliminating the requirement for a base additive. The catalytic system exhibited highly practical potential for the synthesis of quinazolines, as demonstrated through recyclability investigations and scale-up experiments. A possible catalytic mechanism has been proposed based on a series of control experiments and EPR analysis.
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Affiliation(s)
- Xue Zhou
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, 213164 Changzhou, China
| | - Fei Qian
- Jiangsu Lingfei Chemical Co., LTD, Wuxi 214264, China
| | - Weiyou Zhou
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, 213164 Changzhou, China
| | - Anwei Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, 213164 Changzhou, China
| | - Tao Hou
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, 213164 Changzhou, China
| | - Xiaoting Tian
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, 213164 Changzhou, China
| | - Shuliang Ji
- Jiangsu Yabang Dyestuff Co., LTD, 213163 Changzhou, China
| | - Mingyang He
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, 213164 Changzhou, China
| | - Junfeng Qian
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, 213164 Changzhou, China
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2
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Nandwana NK, Patel OPS, Mehra MK, Kumar A, Salvino JM. Recent Advances in Metal-Catalyzed Approaches for the Synthesis of Quinazoline Derivatives. Molecules 2024; 29:2353. [PMID: 38792215 PMCID: PMC11124210 DOI: 10.3390/molecules29102353] [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: 03/30/2024] [Revised: 05/04/2024] [Accepted: 05/10/2024] [Indexed: 05/26/2024] Open
Abstract
Quinazolines are an important class of heterocyclic compounds that have proven their significance, especially in the field of organic synthesis and medicinal chemistry because of their wide range of biological and pharmacological properties. Thus, numerous synthetic methods have been developed for the synthesis of quinazolines and their derivatives. This review article briefly outlines the new synthetic methods for compounds containing the quinazoline scaffold employing transition metal-catalyzed reactions.
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Affiliation(s)
- Nitesh K. Nandwana
- Medicinal Chemistry and Molecular and Cellular Oncogenesis (MCO) Program, The Wistar Institute, Philadelphia, PA 19104, USA
| | - Om P. S. Patel
- Department of Technical Education, Government Polytechnic Naraini, Banda 210001, India
| | - Manish K. Mehra
- Medicinal Chemistry and Molecular and Cellular Oncogenesis (MCO) Program, The Wistar Institute, Philadelphia, PA 19104, USA
| | - Anil Kumar
- Department of Chemistry, Birla Institute of Technology and Science, Pilani 333031, India
| | - Joseph M. Salvino
- Medicinal Chemistry and Molecular and Cellular Oncogenesis (MCO) Program, The Wistar Institute, Philadelphia, PA 19104, USA
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3
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Bera SK, Behera S, De Luca L, Basoccu F, Mocci R, Porcheddu A. Unveiling the Untapped Potential of Bertagnini's Salts in Microwave-Assisted Synthesis of Quinazolinones. Molecules 2024; 29:1986. [PMID: 38731478 PMCID: PMC11085446 DOI: 10.3390/molecules29091986] [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: 03/29/2024] [Revised: 04/22/2024] [Accepted: 04/22/2024] [Indexed: 05/13/2024] Open
Abstract
Microwave-assisted organic synthesis (MAOS) has emerged as a transformative technique in organic chemistry, significantly enhancing the speed, efficiency, and selectivity of chemical reactions. In our research, we have employed microwave irradiation to expedite the synthesis of quinazolinones, using water as an eco-friendly solvent and thereby adhering to the principles of green chemistry. Notably, the purification of the product was achieved without the need for column chromatography, thus streamlining the process. A key innovation in our approach is using aldehyde bisulfite adducts (Bertagnini's salts) as solid surrogates of aldehydes. Bertagnini's salts offer several advantages over free aldehydes, including enhanced stability, easier purification, and improved reactivity. Green metrics and Eco-Scale score calculations confirmed the sustainability of this approach, indicating a reduction in waste generation and enhanced sustainability outcomes. This methodology facilitates the synthesis of a diverse array of compounds, offering substantial contributions to the field, with potential for widespread applications in pharmaceutical research and beyond.
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Affiliation(s)
- Shyamal Kanti Bera
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Cagliari, Cittadella Universitaria, 09042 Cagliari, Italy; (S.K.B.); (S.B.); (F.B.); (R.M.)
| | - Sourav Behera
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Cagliari, Cittadella Universitaria, 09042 Cagliari, Italy; (S.K.B.); (S.B.); (F.B.); (R.M.)
| | - Lidia De Luca
- Dipartimento di Scienze Chimiche, Fisiche, Matematiche e Naturali, Università degli Studi di Sassari, Via Vienna 2, 07100 Sassari, Italy;
| | - Francesco Basoccu
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Cagliari, Cittadella Universitaria, 09042 Cagliari, Italy; (S.K.B.); (S.B.); (F.B.); (R.M.)
| | - Rita Mocci
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Cagliari, Cittadella Universitaria, 09042 Cagliari, Italy; (S.K.B.); (S.B.); (F.B.); (R.M.)
| | - Andrea Porcheddu
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Cagliari, Cittadella Universitaria, 09042 Cagliari, Italy; (S.K.B.); (S.B.); (F.B.); (R.M.)
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4
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Pan XY, Sun GX, Huang FP, Qin WJ, Teng QH, Wang K. Photogenerated chlorine radicals activate C(sp3)-H bonds of alkylbenzenes to access quinazolinones. Org Biomol Chem 2024; 22:2968-2973. [PMID: 38529682 DOI: 10.1039/d4ob00129j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
An Fe-catalyzed visible-light induced condensation of alkylbenzenes with anthranilamides has been developed. Upon irradiation, the trivalent iron complex could generate chlorine radicals, which successfully abstracted the hydrogen of benzylic C-H bonds to form benzyl radicals. And these benzyl radicals were converted into oxygenated products under air conditions, which subsequently reacted with anthranilamides for the synthesis of quinazolinones.
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Affiliation(s)
- Xin-Yao Pan
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, 541004, China.
| | - Gui-Xia Sun
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, 541004, China.
| | - Fang-Ping Huang
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, 541004, China.
| | - Wen-Jian Qin
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, 541004, China.
| | - Qing-Hu Teng
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, 541004, China.
| | - Kai Wang
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, 541004, China.
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5
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Yao XR, Jia MZ, Miao XL, Chen YR, Pan JQ, Zhang J. One-pot Tandem Synthesis and Spontaneous Product Separation of N-heterocycles based on Bifunctional Small-molecule Photocatalyst. CHEMSUSCHEM 2024; 17:e202301495. [PMID: 38086787 DOI: 10.1002/cssc.202301495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 11/28/2023] [Accepted: 12/11/2023] [Indexed: 02/07/2024]
Abstract
Homogeneous and heterogeneous reactions wherein the resulting products remain dissolved in solvents generally require complicated separation and purification process, despite the advantage of heterogeneous systems allowing retrieval of catalysts. Herein, we have developed an efficient approach for the one-pot tandem synthesis of quinazolines, quinazolinones and benzothiadiazine 1,1-dioxides from alcohols and amines utilizing a bifunctional bipyridinium photocatalyst with redox and Lewis acid sites using air as an oxidant. Through solvent-modulation strategy, the photocatalytic system exhibits high performance and enables most products to separate spontaneously. Consequently, the homogeneous catalyst can be reused by direct centrifugation isolation of the products. Notably, the method is also applicable to the less active substrates, such as heterocyclic alcohols and aliphatic alcohols, and thus provides an efficient and environmentally friendly photocatalytic route with spontaneous separation of N-heterocycles to reduce production costs and meet the needs of atomic economy and green chemistry.
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Affiliation(s)
- Xin-Rong Yao
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P. R. China
| | - Meng-Ze Jia
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P. R. China
| | - Xiao-Li Miao
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P. R. China
| | - Yun-Rui Chen
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P. R. China
| | - Jia-Qi Pan
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P. R. China
| | - Jie Zhang
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P. R. China
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6
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Kumar S, Padala K, Maiti B. H 2O 2-Mediated Synthesis of a Quinazolin-4(3 H)-one Scaffold: A Sustainable Approach. ACS OMEGA 2023; 8:33058-33068. [PMID: 37720769 PMCID: PMC10500651 DOI: 10.1021/acsomega.3c05162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 08/09/2023] [Indexed: 09/19/2023]
Abstract
A quinazolin-4(3H)-one ring system is a privileged heterocyclic moiety with distinctive biological properties. From this perspective, the development of an efficient strategy for the synthesis of quinazolin-4(3H)-one has always been in demand for the synthetic chemistry community. In this report, we envisaged an efficient protocol for the synthesis of quinazolin-4(3H)-one using substituted 2-amino benzamide with dimethyl sulfoxide (DMSO) as a carbon source and H2O2 as an effective oxidant. Mechanistically, the reaction proceeds through the radical approach with DMSO as one carbon source. To further substantiate the synthetic claim, the synthetic protocol has been extended to the synthesis of the anti-endotoxic active compound 3-(2-carboxyphenyl)-4-(3H)-quinazolinone.
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Affiliation(s)
- Sumit Kumar
- Department
of Chemistry, School of Advanced Science, Vellore Institute of Technology, Katpadi, Vellore, Tamil Nadu 632014, India
| | - Kishor Padala
- Department
of Chemistry, Central Tribal University
of Andhra Pradesh, Kondakarakam
Village, Cantonment area, Vizianagaram, Andhra Pradesh 535003, India
| | - Barnali Maiti
- Department
of Chemistry, School of Advanced Science, Vellore Institute of Technology, Katpadi, Vellore, Tamil Nadu 632014, India
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7
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Jongcharoenkamol J, Naksing P, Nimnuan N, Singh T, Chatwichien J, Temkitthawon P, Sriwattanawarunyoo C, Choommongkol V, Meepowpan P, Kerdphon S. Microwave-assisted commercial copper-catalyzed aerobic oxidative synthesis of AChE quinazolinone inhibitors under solvent free conditions. RSC Adv 2023; 13:27657-27662. [PMID: 37727584 PMCID: PMC10506383 DOI: 10.1039/d3ra05739a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 09/11/2023] [Indexed: 09/21/2023] Open
Abstract
A facile and green one-pot synthesis of AChE quinazolinone inhibitors was developed using microwave irradiation under solvent free conditions. Quinazolinones were synthesized from 2-aminobenzamide derivatives and various alcohols such as benzyl alcohol derivatives and butanol using economical commercially available copper as a catalyst in the presence of base, Cs2CO3. The desired products were achieved in moderate to high yields with up to 92% isolated yield. These quinazolinone products were then evaluated for acetylcholinesterase inhibition so that they can be developed as promising anti-acetylcholinesterase agents.
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Affiliation(s)
- Jira Jongcharoenkamol
- Department of Pharmaceutical Chemistry and Pharmacognosy, Faculty of Pharmaceutical Science, Naresuan University Phitsanulok 65000 Thailand
- Center of Excellence in Cannabis Research, Faculty of Pharmaceutical Sciences, Naresuan University Phitsanulok 65000 Thailand
| | - Prakansi Naksing
- Department of Chemistry, Faculty of Science, Naresuan University Phitsanulok 65000 Thailand
| | - Nattayaporn Nimnuan
- Department of Chemistry, Faculty of Science, Naresuan University Phitsanulok 65000 Thailand
| | - Thishana Singh
- School of Chemistry and Physics, University of Kwazulu-Natal Private Bag X54001 Durban 4000 South Africa
| | - Jaruwan Chatwichien
- Program in Chemical Sciences, Chulabhorn Graduate Institute, Chulabhorn Royal Academy Bangkok 10210 Thailand
| | - Prapapan Temkitthawon
- Department of Pharmaceutical Chemistry and Pharmacognosy, Faculty of Pharmaceutical Science, Naresuan University Phitsanulok 65000 Thailand
- Center of Excellence in Cannabis Research, Faculty of Pharmaceutical Sciences, Naresuan University Phitsanulok 65000 Thailand
| | | | - Vachira Choommongkol
- Department of Chemistry, Faculty of Science, Maejo University Chiang Mai 50290 Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University Chiang Mai 50200 Thailand
- Center of Excellence in Material Science and Technology, Chiang Mai University Chiang Mai 50200 Thailand
| | - Sutthichat Kerdphon
- Center of Excellence in Cannabis Research, Faculty of Pharmaceutical Sciences, Naresuan University Phitsanulok 65000 Thailand
- Department of Chemistry, Faculty of Science, Naresuan University Phitsanulok 65000 Thailand
- Center of Excellence in Petroleum, Petrochemicals and Advanced Materials, Faculty of Science, Naresuan University Phitsanulok 65000 Thailand
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8
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Huang X, Zhou Z, Qin L, Zhang D, Wang H, Wang S, Yang L. Structural Regulation of Two Polyoxometalate-Based Metal-Organic Frameworks for the Heterogeneous Catalysis of Quinazolinones. Inorg Chem 2023; 62:5565-5575. [PMID: 36989459 DOI: 10.1021/acs.inorgchem.3c00055] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
Abstract
Two dimeric {ε-Zn4PMo12}-based metal-organic frameworks (MOFs), [ε-PMo8VMo4VIO34(OH)6Zn4][LO] (SDUT-21, LO = [5-((4'-carboxybenzyl)oxy)isophthalic acid]) and [TBA]3[ε-PMo8VMo4VIO37(OH)3Zn4][LN] (SDUT-22, TBA+ = tetrabutylammonium ion, LN = [5-((4-carboxybenzyl)imino)isophthalic acid]), combining the advantages of polyoxometalates (POMs) and MOFs, were synthesized by the one-pot assembly strategy. The dimeric {ε-Zn4PMo12} units act as nodes that are linked by the flexible ligands and extended into two- or three-dimensional frameworks. The cyclic voltammetry and proton conductivity measurements of SDUT-21 and SDUT-22 were performed and indicated the high electron and proton transfer abilities. These materials also e xhibited the catalytic performance for the synthesis of quinazolinones in the heterogeneous state, and the different binding capacities toward the substrates caused the catalytic activity of SDUT-21 to be higher than that of SDUT-22 under the same conditions. In addition, the used catalysts could be readily recovered for five successive cycles and maintained high catalytic efficiency.
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Affiliation(s)
- Xiaoxue Huang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, P. R. China
| | - Zhen Zhou
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, P. R. China
| | - Lan Qin
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, P. R. China
| | - Daopeng Zhang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, P. R. China
| | - Haining Wang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, P. R. China
| | - Suna Wang
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, P. R. China
| | - Lu Yang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, P. R. China
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9
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Tamatam R, Kim SH, Shin D. Transition-metal-catalyzed synthesis of quinazolines: A review. Front Chem 2023; 11:1140562. [PMID: 37007059 PMCID: PMC10060649 DOI: 10.3389/fchem.2023.1140562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 02/27/2023] [Indexed: 03/18/2023] Open
Abstract
Quinazolines are a class of nitrogen-containing heterocyclic compounds with broad-spectrum of pharmacological activities. Transition-metal-catalyzed reactions have emerged as reliable and indispensable tools for the synthesis of pharmaceuticals. These reactions provide new entries into pharmaceutical ingredients of continuously increasing complexity, and catalysis with these metals has streamlined the synthesis of several marketed drugs. The last few decades have witnessed a tremendous outburst of transition-metal-catalyzed reactions for the construction of quinazoline scaffolds. In this review, the progress achieved in the synthesis of quinazolines under transition metal-catalyzed conditions are summarized and reports from 2010 to date are covered. This is presented along with the mechanistic insights of each representative methodology. The advantages, limitations, and future perspectives of synthesis of quinazolines through such reactions are also discussed.
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Affiliation(s)
- Rekha Tamatam
- College of Pharmacy, Gachon University, Incheon, Republic of Korea
- Gachon Pharmaceutical Research Institute, Gachon University, Incheon, Republic of Korea
| | - Seok-Ho Kim
- College of Pharmacy, Kangwon National University, Chuncheon, Gangwon-do, Republic of Korea
- *Correspondence: Seok-Ho Kim, ; Dongyun Shin,
| | - Dongyun Shin
- College of Pharmacy, Gachon University, Incheon, Republic of Korea
- Gachon Pharmaceutical Research Institute, Gachon University, Incheon, Republic of Korea
- *Correspondence: Seok-Ho Kim, ; Dongyun Shin,
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10
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Parshuram Satpute D, Shirwadkar U, Kumar Tharalla A, Dattatray Shinde S, Nikhil Vaidya G, Joshi S, Patel Vatsa P, Jain A, Singh AA, Garg R, Mandoli A, Kumar D. Discovery of fluorinated 2‑Styryl 4(3H)-quinazolinone as potential therapeutic hit for oral cancer. Bioorg Med Chem 2023; 81:117193. [PMID: 36796126 DOI: 10.1016/j.bmc.2023.117193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/20/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023]
Abstract
Oral squamous cell carcinoma (OSCC) is the most common malignant epithelial neoplasm, affects the mouth and throat, and accounts for 90 % of oral cancers. Considering the associated morbidity with neck dissections and the limitation of existing therapeutic agents, the discovery and development of new anticancer drugs/drug candidates for oral cancer treatment are of the utmost need. In this context, reported here is the identification of fluorinated 2‑styryl 4(3H)-quinazolinone as a promising hit for oral cancer. Preliminary studies indicate that the compound blocks the transition of G1 to S phase, thereby leading to arrest in the G1/S phase. Subsequent RNA-seq analysis revealed that the compound induces the activation of molecular pathways involved in apoptosis (such as TNF signalling through NF-κB, p53 pathways) and cell differentiation and suppresses the pathways of cellular growth and development (such as KRAS signaling) in CAL-27 cancer cells. It is noted that identified hit complies with a favorable range of ADME properties as per the computational analysis.
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Affiliation(s)
- Dinesh Parshuram Satpute
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmadabad, Palaj, Gandhinagar-382355, Gujarat, India
| | - Urjita Shirwadkar
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmadabad, Palaj, Gandhinagar-382355, Gujarat, India
| | - Anil Kumar Tharalla
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmadabad, Palaj, Gandhinagar-382355, Gujarat, India
| | - Sangita Dattatray Shinde
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmadabad, Palaj, Gandhinagar-382355, Gujarat, India
| | - Gargi Nikhil Vaidya
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmadabad, Palaj, Gandhinagar-382355, Gujarat, India
| | - Swarali Joshi
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmadabad, Palaj, Gandhinagar-382355, Gujarat, India
| | - Priyanka Patel Vatsa
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmadabad, Palaj, Gandhinagar-382355, Gujarat, India
| | - Alok Jain
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmadabad, Palaj, Gandhinagar-382355, Gujarat, India; Department of Bio-engineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi, India
| | - Abhishek A Singh
- Department of Molecular Biology, Radboud University, Nijmegen, Netherlands
| | - Rachana Garg
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmadabad, Palaj, Gandhinagar-382355, Gujarat, India; Division of Neurosurgery, Department of Surgery, City of Hope National Medical Center, Duarte, CA 91010, USA.
| | - Amit Mandoli
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmadabad, Palaj, Gandhinagar-382355, Gujarat, India.
| | - Dinesh Kumar
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmadabad, Palaj, Gandhinagar-382355, Gujarat, India.
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11
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Wang M, Ren J, Xiao Q, Song A, Yu S, Wang R, Xing L. Photocatalytic One-Pot Synthesis of Quinazolinone Under Ambient Conditions. Catal Letters 2023. [DOI: 10.1007/s10562-022-04266-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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12
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Touayba Ahl el haj, El Mejdoubi K, Sadraoui K, Brahim Chafik El idrissi, Sallek B. Phosphate of Zirconium as a Reusable Efficient Catalyst for the Synthesis of 2-Arylquinazolin-4(3H)-ones. KINETICS AND CATALYSIS 2022. [DOI: 10.1134/s0023158422960011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
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13
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Li S, Lu J, Huang Z, Xu S, Zhang C, Wang F. Using HCOONH
4
as a Reductant and Nitrogen Source in Converting PhCHO to Imine via a Continuous Condensation‐Reduction Mechanism. ChemistrySelect 2022. [DOI: 10.1002/slct.202203482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Siqi Li
- Zhang Dayu School of Chemistry Dalian University of Technology Dalian Liaoning 116024 China
- State Key Laboratory of Catalysis Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian Liaoning 116023 China
- Zhipeng Huang University of Chinese Academy of Sciences Beijing 100049 China
| | - Jianmin Lu
- State Key Laboratory of Catalysis Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian Liaoning 116023 China
| | - Zhipeng Huang
- State Key Laboratory of Catalysis Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian Liaoning 116023 China
- Zhipeng Huang University of Chinese Academy of Sciences Beijing 100049 China
| | - Shutao Xu
- State Key Laboratory of Catalysis Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian Liaoning 116023 China
| | - Chaofeng Zhang
- College of Light Industry and Food Engineering Nanjing Forestry University Nanjing Jiangsu 210037 China
| | - Feng Wang
- State Key Laboratory of Catalysis Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian Liaoning 116023 China
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14
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Hao Z, Zhou X, Ma Z, Zhang C, Han Z, Lin J, Lu GL. Dehydrogenative Synthesis of Quinolines and Quinazolines via Ligand-Free Cobalt-Catalyzed Cyclization of 2-Aminoaryl Alcohols with Ketones or Nitriles. J Org Chem 2022; 87:12596-12607. [PMID: 36162131 DOI: 10.1021/acs.joc.2c00734] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We present a convenient and efficient protocol to synthesize quinolines and quinazolines in one pot under mild conditions. A variety of substituted quinolines were synthesized in good to excellent yields (up to 97% yield) from the dehydrogenative cyclizations of 2-aminoaryl alcohols and ketones catalyzed by readily available Co(OAc)2·4H2O. This cobalt catalytic system also showed high activity in the reactions of 2-aminobenzyl alcohols with nitriles, affording various quinazoline derivatives (up to 95% yield). The present protocol offers an environmentally benign approach for the synthesis of N-heterocycles by employing an earth-abundant cobalt salt under ligand-free conditions.
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Affiliation(s)
- Zhiqiang Hao
- National Experimental Chemistry Teaching Center (Hebei Normal University), Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, People's Republic of China
| | - Xiaoyu Zhou
- National Experimental Chemistry Teaching Center (Hebei Normal University), Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, People's Republic of China
| | - Zongwen Ma
- National Experimental Chemistry Teaching Center (Hebei Normal University), Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, People's Republic of China
| | - Caicai Zhang
- National Experimental Chemistry Teaching Center (Hebei Normal University), Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, People's Republic of China
| | - Zhangang Han
- National Experimental Chemistry Teaching Center (Hebei Normal University), Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, People's Republic of China
| | - Jin Lin
- National Experimental Chemistry Teaching Center (Hebei Normal University), Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, People's Republic of China
| | - Guo-Liang Lu
- Auckland Cancer Society Research Centre, Faculty of Medical and Health Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand.,Maurice Wilkins Centre, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
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15
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Martos M, Pastor IM. Iron‐Based Imidazolium Salt as Dual Lewis Acid and Redox Catalyst for the Aerobic Synthesis of Quinazolines. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Mario Martos
- University of Alicante: Universitat d'Alacant Organic Chemistry Ctra. San Vicente del Raspeig, s/n 03690 San Vicente del Raspeig - Alicante SPAIN
| | - Isidro Manuel Pastor
- University of Alicante: Universitat d'Alacant Organic Chemistry Ctra. San Vicente del Raspeig s/n 03690 San Vicente del Raspeig - Alicante SPAIN
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16
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George K, Elavarasan P, Ponnusamy S, Sathananthan K. Facile One-Pot Synthesis of Functionalized Quinoline-Fused Fluorescent Dihydro/Spiro-quinazolinone Derivatives. ACS OMEGA 2022; 7:20605-20618. [PMID: 35755376 PMCID: PMC9219092 DOI: 10.1021/acsomega.2c00674] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 05/27/2022] [Indexed: 06/15/2023]
Abstract
A facile and efficient method has been developed for the synthesis of quinoline-fused fluorescent dihydro/spiro-quinazolinones. A plausible mechanism involving an acid-mediated enaminone intermediate is provided. The reaction proceeded using p-toluene sulfonic acid as a green promoter. The methodology was successful in synthesizing various quinoline-appended spiro-quinazolinones 4a-o. The synthetic utility of compounds 4a-o was demonstrated by synthesizing compounds 6a-d via Suzuki coupling as a key reaction. Significantly, the π-π* electronic transition of compounds 4c and 4k showed a blue shift. The molar extinction coefficient (ε), Stoke's shift (Δu̅), and quantum yield (Φf)c were calculated for these derivatives (4c and 4k).
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Affiliation(s)
- Kevin George
- Department
of Chemistry, School of Advanced Sciences,
VIT, Vellore 632014, India
| | - Pavithra Elavarasan
- Department
of Chemistry, School of Advanced Sciences,
VIT, Vellore 632014, India
| | - Shanmugam Ponnusamy
- Organic
and Bioorganic Chemistry Division, CSIR-Central
Leather Research Institute (CLRI), Adyar, Chennai 600020, India
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17
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Yang J, Xie Z, Jin L, Chen X, Le Z. Synthesis of quinazoline by decarboxylation of 2-aminobenzylamine and α-keto acid under visible light catalysis. Org Biomol Chem 2022; 20:3558-3563. [PMID: 35416228 DOI: 10.1039/d2ob00219a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Quinazoline compounds demonstrate a variety of physiological and pharmacological activities. However, the most common syntheses require large quantities of oxidants, high temperature, and other extreme conditions. In this study, quinazoline compounds were synthesized from the condensation of α-keto acid and 2-aminobenzylamine and then decarboxylation under blue LED irradiation at room temperature without transition metal catalysts or additives. Therefore, we demonstrated that by using α-keto acid as the acyl source, decarboxylation can be realized under blue LED without oxidants, in a simple, mild, and environmentally friendly process.
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Affiliation(s)
- Jiangnan Yang
- Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China.
| | - Zongbo Xie
- Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China.
| | - Liang Jin
- Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China.
| | - Xuehua Chen
- Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China.
| | - Zhanggao Le
- Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China.
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18
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A peroxo‐Mo(VI)/Mo(VI)‐mediated redox synthesis of quinazolin‐4(3
H
)‐ones and their aggregation‐induced emission property and mechanism. J PHYS ORG CHEM 2022. [DOI: 10.1002/poc.4329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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19
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Pal D, Mondal A, Srimani D. Well-defined manganese complex catalyzed dehydrogenative synthesis of quinazolin-4(3 H)-ones and 3,4-dihydro-2 H-1,2,4-benzothiadiazine 1,1-dioxides. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00260d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of N-heterocycles has been considered an emerging topic of chemical research due to its widespread usage in medicinal chemistry, materials science, and natural product synthesis.
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Affiliation(s)
- Debjyoti Pal
- Department of Chemistry, Indian Institute of Technology-Guwahati, Kamrup, Assam 781039, India
| | - Avijit Mondal
- Department of Chemistry, Indian Institute of Technology-Guwahati, Kamrup, Assam 781039, India
| | - Dipankar Srimani
- Department of Chemistry, Indian Institute of Technology-Guwahati, Kamrup, Assam 781039, India
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20
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Yadav P, Yadav S, Awasthi A, MANDALAPARTHI PHANINDRUDU, Bhowmick S, Tiwari DK. DMSO as a Dual Carbon Synthon in One-pot Tandem Synthesis of N-alkylated Quinazolinones from Anthranilamides and Acetophenones. NEW J CHEM 2022. [DOI: 10.1039/d2nj01428a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new, efficient, metal-free, and DMSO intervened approach for the synthesis of N-alkylated quinazolinones from readily available 2-aminobenzamide and aryl methyl ketones in the presence of an oxidizing agent has...
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21
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Kamata K, Kinoshita N, Koutani M, Aono R, Hayashi E, Hara M. β-MnO 2 nanoparticles as heterogenous catalysts for aerobic oxidative transformation of alcohols to carbonyl compounds, nitriles, and amides. Catal Sci Technol 2022. [DOI: 10.1039/d2cy01476a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
β-MnO2 nanoparticles exhibit high catalytic performance for the aerobic oxidation of various aromatic, allylic, and heteroaromatic alcohols and one-pot tandem oxidation of alcohols to nitriles and amides in the presence of NH3.
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Affiliation(s)
- Keigo Kamata
- Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama-City, Kanagawa, 226-8503, Japan
| | - Nanami Kinoshita
- Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama-City, Kanagawa, 226-8503, Japan
| | - Maki Koutani
- Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama-City, Kanagawa, 226-8503, Japan
| | - Ryusei Aono
- Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama-City, Kanagawa, 226-8503, Japan
| | - Eri Hayashi
- Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama-City, Kanagawa, 226-8503, Japan
| | - Michikazu Hara
- Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama-City, Kanagawa, 226-8503, Japan
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22
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Zhang R, Ma R, Fu Q, Chen J, Ma Y. I 2 /PhNO 2 Mediated Synthesis of Quinazolin-4(3 H)-ones by C(CO)—C Bond Oxidative Cleavage of Acetophenones and Amination with 2-Aminobenzamides. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202109014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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23
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Prasanth K, Bhargava Reddy M, Anandhan R. Visible‐Light‐Induced Photocatalyst‐Free Oxidative Cyclization of Primary Alcohols by Selectfluor
via
HAT Process: Synthesis of Quinazolinones and Benzothiadiazines. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100590] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Kesavan Prasanth
- Department of Organic Chemistry Guindy Campus University of Madras Chennai 600 025 Tamil Nadu India
| | - Mandapati Bhargava Reddy
- Department of Organic Chemistry Guindy Campus University of Madras Chennai 600 025 Tamil Nadu India
| | - Ramasamy Anandhan
- Department of Organic Chemistry Guindy Campus University of Madras Chennai 600 025 Tamil Nadu India
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24
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Sahoo S, Pal S. Copper-Catalyzed One-Pot Synthesis of Quinazolinones from 2-Nitrobenzaldehydes with Aldehydes: Application toward the Synthesis of Natural Products. J Org Chem 2021; 86:18067-18080. [PMID: 34813342 DOI: 10.1021/acs.joc.1c02343] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A novel, efficient, and atom-economical approach for the construction of quinazolinones from 2-nitrobenzaldehydes has been unveiled via copper-catalyzed nitrile formation, hydrolysis, and reduction in one pot for the first time. In this reaction, urea is used as a source of nitrogen for nitrile formation, hydrazine hydrate is used for both the reduction of the nitro group and the hydrolysis of nitrile, and atmospheric oxygen is used as the sole oxidant. The method portrays a wide substrate scope with good functional group tolerances. Moreover, this method was applied for the synthesis of schizocommunin, tryptanthrin, phaitanthrin-A, phaitanthrin-B, and 8H-quinazolino[4,3-b]quinazolin-8-one.
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Affiliation(s)
- Subrata Sahoo
- Organic Chemistry Laboratory, School of Basic Sciences, Indian Institute of Technology Bhubaneswar, Argul, Odisha 752050, India
| | - Shantanu Pal
- Organic Chemistry Laboratory, School of Basic Sciences, Indian Institute of Technology Bhubaneswar, Argul, Odisha 752050, India
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25
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Luo L, Liu H, Zeng W, Hu W, Wang D. BTP‐Rh@g‐C
3
N
4
as an efficient recyclable catalyst for dehydrogenation and borrowing hydrogen reactions. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Lan Luo
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering Jiangnan University Wuxi China
| | - Hongqiang Liu
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering Jiangnan University Wuxi China
- China Synchem Technology Co., Ltd. Bengbu China
| | - Wei Zeng
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering Jiangnan University Wuxi China
| | - Wenkang Hu
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering Jiangnan University Wuxi China
| | - Dawei Wang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering Jiangnan University Wuxi China
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26
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Matcha SL, Karasala BK, Botsa SM, Vidavalur S. Brønsted acid catalyzed synthesis of 2‐aryl‐quinazolinones via cyclization of 2‐aminobenzamide with benzonitriles in
PEG. J Heterocycl Chem 2021. [DOI: 10.1002/jhet.4321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | | | - Sathish Mohan Botsa
- National Centre for Polar and Ocean Research Ministry of Earth Sciences Goa India
| | - Siddaiah Vidavalur
- Department of Organic Chemistry & FDW Andhra University Visakhapatnam India
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27
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Liu HL, Li XT, Tian HZ, Sun XW. Unexpected Insertion of Nitrogen into a C-C Bond: Access to 2,3-Disubstituted Quinazolinone Scaffolds. Org Lett 2021; 23:4579-4583. [PMID: 34061550 DOI: 10.1021/acs.orglett.1c01235] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
A novel, practical, highly efficient, and transition metal free nitrogen insertion reaction for the synthesis of 2,3-disubstituted quinazolinone derivatives was developed. Diverse functionalized 3-indolinone-2-carboxylates and nitrosoarenes with a wide range of substituted nitrosobenzenes, nitrosopyridines, dibenzofuranyl, or dibenzothienyl nitroso compounds worked smoothly to give 2,3-disubstituted quinazolinone derivatives in good to excellent yields (69-98%). A gram-scale reaction was achieved, and an afloqualone analogue was synthesized under the mild reaction conditions.
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Affiliation(s)
- Hui-Li Liu
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Xiao-Tong Li
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Heng-Zhi Tian
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Xing-Wen Sun
- Department of Chemistry, Fudan University, Shanghai 200433, China
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28
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Wang R, Liu S, Li L, Song A, Yu S, Zhuo S, Xing LB. Metal-free catalyst for the visible-light-induced photocatalytic synthesis of quinazolinones. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111668] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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29
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Sarma D, Majumdar B, Deori B, Jain S, Sarma TK. Photoinduced Enhanced Decomposition of TBHP: A Convenient and Greener Pathway for Aqueous Domino Synthesis of Quinazolinones and Quinoxalines. ACS OMEGA 2021; 6:11902-11910. [PMID: 34056344 PMCID: PMC8154027 DOI: 10.1021/acsomega.1c00211] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 04/19/2021] [Indexed: 06/12/2023]
Abstract
Catalyst-free photoinduced processes in aqueous medium represent significant advancement toward development of green and sustainable pathways in organic synthesis. tert-Butyl hydroperoxide (TBHP) is a widely used oxidant in organic reactions, where the decomposition of TBHP into its radicals by metal catalysts or other reagents is a key factor for efficient catalytic outcome. Herein, we report a simple and environmentally friendly visible light-promoted synthetic pathway for the synthesis of N-heterocyclic moieties, such as quinazolinones and quinoxalines, in the presence of TBHP as an oxidizing agent in aqueous medium that requires no catalysts/photocatalysts. The enhanced rate of decomposition to generate free radicals from TBHP upon visible light irradiation is the driving force for the domino reaction.
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30
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Balaji S, Balamurugan G, Ramesh R, Semeril D. Palladium(II) N^O Chelating Complexes Catalyzed One-Pot Approach for Synthesis of Quinazolin-4(3H)-ones via Acceptorless Dehydrogenative Coupling of Benzyl Alcohols and 2-Aminobenzamide. Organometallics 2021. [DOI: 10.1021/acs.organomet.0c00814] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Sundarraman Balaji
- Centre for Organometallic Chemistry, School of Chemistry, Bharathidasan University, Tiruchirappalli, 620 024, India
| | - Gunasekaran Balamurugan
- Centre for Organometallic Chemistry, School of Chemistry, Bharathidasan University, Tiruchirappalli, 620 024, India
| | - Rengan Ramesh
- Centre for Organometallic Chemistry, School of Chemistry, Bharathidasan University, Tiruchirappalli, 620 024, India
| | - David Semeril
- Laboratoire de Chimie Inorganique et Catalyse, Institut de Chimie, Universite de Strasbourg, UMR 7177, CNRS, Strasbourg, 67070, France
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31
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Mixed crystalline phases and catalytic performance of OMS-2 based nanocomposites for one-pot synthesis of quinazolines with O2 as an oxidant. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111499] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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32
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Gupta R, Arora G, Yadav P, Dixit R, Srivastava A, Sharma RK. A magnetically retrievable copper ionic liquid nanocatalyst for cyclooxidative synthesis of 2-phenylquinazolin-4(3 H)-ones. Dalton Trans 2021; 50:890-898. [PMID: 33350417 DOI: 10.1039/d0dt03634j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
In the present work, we report the design and fabrication of a copper-containing ionic liquid supported magnetic nanocatalyst via a convenient and straightforward synthetic approach for the formation of 2-phenylquinazolin-4(3H)-ones using o-aminobenzamide and benzaldehydes as the reaction partners. The successful formation and properties of the as-prepared catalyst have been thoroughly investigated using diverse physico-chemical techniques including FT-IR, XRD, FE-SEM, TEM, ICP, VSM, BET and TGA. Using this nanocatalytic system, a variety of 2-phenylquinazolin-4(3H)-ones are synthesized in excellent yields with operational ease and short reaction times in an environmentally preferable solvent under open air and without using any external oxidizing agent. Besides, the catalyst possessed facile magnetic recoverability and remarkable reusability for six consecutive runs without any appreciable decrease in the catalytic efficiency.
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Affiliation(s)
- Radhika Gupta
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, Delhi-110007, India.
| | - Gunjan Arora
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, Delhi-110007, India.
| | - Priya Yadav
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, Delhi-110007, India. and Department of Chemistry, Hindu College, University of Delhi, Delhi-110007, India
| | - Ranjana Dixit
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, Delhi-110007, India.
| | - Anju Srivastava
- Department of Chemistry, Hindu College, University of Delhi, Delhi-110007, India
| | - Rakesh Kumar Sharma
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, Delhi-110007, India.
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33
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Yang L, Hou H, Li L, Wang J, Zhou S, Wu M, Ke F. Electrochemically induced synthesis of quinazolinones via cathode hydration of o-aminobenzonitriles in aqueous solutions. Org Biomol Chem 2021; 19:998-1003. [PMID: 33448270 DOI: 10.1039/d0ob02286a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
An efficient and practical electrochemically catalyzed transition metal-free process for the synthesis of substituted quinazolinones from simple and readily available o-aminobenzonitriles and aldehydes in water has been accomplished. I2/base and water play an unprecedented and vital role in the reaction. By electrochemically catalysed hydrolysis of o-aminobenzonitriles, the synthesis of quinazolinones with benzaldehyde was first proposed. The synthetic utility of this method was demonstrated by gram-scale operation, as well as the preparation of bioactive N-(2,5-dichlorophenyl)-6-(2,2,2-trifluoroethoxy) pteridin-4-amine, which enables straightforward, practical and environmentally benign quinazolinone formation.
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Affiliation(s)
- Li Yang
- College of Chemistry & Chemical Engineering, Yibin University, Yibin, Sichuan, China
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34
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Chen J, Liang E, Shi J, Wu Y, Wen K, Yao X, Tang X. Metal-free synthesis of 1,4-benzodiazepines and quinazolinones from hexafluoroisopropyl 2-aminobenzoates at room temperature. RSC Adv 2021; 11:4966-4970. [PMID: 35424458 PMCID: PMC8694548 DOI: 10.1039/d1ra00324k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 01/20/2021] [Indexed: 11/29/2022] Open
Abstract
Herein, we describe the novel reactivity of hexafluoroisopropyl 2-aminobenzoates. The metal-free synthesis of 1,4-benzodiazepines and quinazolinones from hexafluoroisopropyl 2-aminobenzoates has been developed at room temperature. These procedures feature good functional group tolerance, mild reaction conditions, and excellent yields. The newly formed products can readily be converted to other useful N-heterocycles. Moreover, the products and their derivatives showed potent anticancer activities in vitro by MTT assay. A metal-free synthesis of 1,4-benzodiazepines and quinazolinones from hexafluoroisopropyl 2-aminobenzoates has been developed at room temperature.![]()
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Affiliation(s)
- Jiewen Chen
- Guangdong Provincial Key Laboratory of New Drug Screening
- School of Pharmaceutical Sciences
- Southern Medical University
- Guangzhou 510515
- P. R. China
| | - En Liang
- Guangdong Provincial Key Laboratory of New Drug Screening
- School of Pharmaceutical Sciences
- Southern Medical University
- Guangzhou 510515
- P. R. China
| | - Jie Shi
- Guangdong Provincial Key Laboratory of New Drug Screening
- School of Pharmaceutical Sciences
- Southern Medical University
- Guangzhou 510515
- P. R. China
| | - Yinrong Wu
- Guangdong Provincial Key Laboratory of New Drug Screening
- School of Pharmaceutical Sciences
- Southern Medical University
- Guangzhou 510515
- P. R. China
| | - Kangmei Wen
- Guangdong Provincial Key Laboratory of New Drug Screening
- School of Pharmaceutical Sciences
- Southern Medical University
- Guangzhou 510515
- P. R. China
| | - Xingang Yao
- Guangdong Provincial Key Laboratory of New Drug Screening
- School of Pharmaceutical Sciences
- Southern Medical University
- Guangzhou 510515
- P. R. China
| | - Xiaodong Tang
- Guangdong Provincial Key Laboratory of New Drug Screening
- School of Pharmaceutical Sciences
- Southern Medical University
- Guangzhou 510515
- P. R. China
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35
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Zhang SQ, Cui Y, Guo B, Young DJ, Xu Z, Li HX. Efficient synthesis of quinazolines by the iron-catalyzed acceptorless dehydrogenative coupling of (2-aminophenyl)methanols and benzamides. Tetrahedron 2021. [DOI: 10.1016/j.tet.2020.131825] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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36
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Sikari R, Chakraborty G, Guin AK, Paul ND. Nickel-Catalyzed [4 + 2] Annulation of Nitriles and Benzylamines by C-H/N-H Activation. J Org Chem 2021; 86:279-290. [PMID: 33314935 DOI: 10.1021/acs.joc.0c02069] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Nickel-catalyzed [4 + 2] annulation of benzylamines and nitriles via C-H/N-H bond activation, providing straightforward atom-economic access to a wide variety of multisubstituted quinazolines, is reported. Mechanistic investigation revealed that the in situ formed amidines from the coupling of benzylamines and nitriles direct the nickel catalyst to activate the ortho-C-H bond of the phenyl ring of the benzylamine.
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Affiliation(s)
- Rina Sikari
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Botanic Garden, Howrah 711103, India
| | - Gargi Chakraborty
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Botanic Garden, Howrah 711103, India
| | - Amit Kumar Guin
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Botanic Garden, Howrah 711103, India
| | - Nanda D Paul
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Botanic Garden, Howrah 711103, India
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37
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Anandaraj P, Ramesh R, Kumaradhas P. Palladium( ii) N, N, O-pincer type complex-mediated dehydrogenative coupling of alcohols to quinazolines. NEW J CHEM 2021. [DOI: 10.1039/d1nj03146e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A diverse range of quinazolines were synthesized in moderate to high yields using 0.5 mol% Pd(ii) catalyst loading under aerobic conditions.
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Affiliation(s)
- Pennamuthiriyan Anandaraj
- Centre for Organometallic Chemistry, School of Chemistry, Bharathidasan University, Tiruchirappalli–620 024, India
| | - Rengan Ramesh
- Centre for Organometallic Chemistry, School of Chemistry, Bharathidasan University, Tiruchirappalli–620 024, India
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38
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Wu M, Yu L, Hou H, Chen H, Zhuang Q, Zhou S, Lin X. Electrochemistry-Enabled Copper-Catalyzed Oxidation of Benzyl Alcohols for the Preparation of Quinazolinones in Water. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202012028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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39
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Wang K, Chen H, Dai X, Huang X, Feng Z. Palladium-catalyzed one-pot synthesis of 2-substituted quinazolin-4(3 H)-ones from o-nitrobenzamide and alcohols. RSC Adv 2021; 11:13119-13123. [PMID: 35423854 PMCID: PMC8697358 DOI: 10.1039/d1ra01755a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 03/31/2021] [Indexed: 12/15/2022] Open
Abstract
Palladium-catalyzed 2-substituted quinazolin-4(3H)-one formation from readily available o-nitrobenzamides and alcohols using hydrogen transfer is described. Various quinazolin-4(3H)-ones were obtained in good to high yields. The cascade reaction including alcohol oxidation, nitro reduction, condensation, and dehydrogenation occurs without any added reducing or oxidizing agent. Palladium-catalyzed 2-substituted quinazolin-4(3H)-one formation from readily available o-nitrobenzamides and alcohols using hydrogen transfer is described. Various quinazolin-4(3H)-ones were obtained in good to high yields.![]()
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Affiliation(s)
- Ke Wang
- Beijing Key Laboratory of Active Substance Discovery and Drugability Evaluation
- Institute of Materia Medica
- Chinese Academy of Medical Sciences
- Peking Union Medical College
- Beijing 100050
| | - Hao Chen
- Beijing Key Laboratory of Active Substance Discovery and Drugability Evaluation
- Institute of Materia Medica
- Chinese Academy of Medical Sciences
- Peking Union Medical College
- Beijing 100050
| | - Xinyan Dai
- Beijing Key Laboratory of Active Substance Discovery and Drugability Evaluation
- Institute of Materia Medica
- Chinese Academy of Medical Sciences
- Peking Union Medical College
- Beijing 100050
| | - Xupeng Huang
- Beijing Key Laboratory of Active Substance Discovery and Drugability Evaluation
- Institute of Materia Medica
- Chinese Academy of Medical Sciences
- Peking Union Medical College
- Beijing 100050
| | - Zhiqiang Feng
- Beijing Key Laboratory of Active Substance Discovery and Drugability Evaluation
- Institute of Materia Medica
- Chinese Academy of Medical Sciences
- Peking Union Medical College
- Beijing 100050
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40
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Bhargava Reddy M, Prasanth K, Anandhan R. Visible-light induced copper(i)-catalyzed oxidative cyclization of o-aminobenzamides with methanol and ethanol via HAT. Org Biomol Chem 2020; 18:9601-9605. [PMID: 33226372 DOI: 10.1039/d0ob02234a] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The use of the in situ generated ligand-copper superoxo complex absorbing light energy to activate the alpha C(sp3)-H of MeOH and EtOH via the hydrogen atom transfer (HAT) process for the synthesis of quinazolinones by oxidative cyclization of alcohols with o-aminobenzamide has been investigated. The synthetic utility of this protocol offers an efficient synthesis of a quinazolinone intermediate for erlotinb (anti-cancer agent) and 30 examples were reported.
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41
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Dutta A, Sarma D. Recent advances in the synthesis of Quinazoline analogues as Anti-TB agents. Tuberculosis (Edinb) 2020; 124:101986. [PMID: 32942187 DOI: 10.1016/j.tube.2020.101986] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 07/21/2020] [Accepted: 07/30/2020] [Indexed: 11/29/2022]
Abstract
Quinazoline analogues are one of the important nitrogen containing heterocycles that have significant bioactivity as well as found in a plethora of natural products. Tuberculosis is one of the serious universal health threats caused by Mycobacteriumtuberculosis (MTB) and primarily affects the lungs. Due to their significant bioactivity and natural occurrences of quinazolines, researchers are trying to synthesize new quinazoline analogues which may have significant potency against tuberculosis. This particular review summarizes recent development of different types of quinazoline bearing analogues as anti-tubercular (anti-TB) agents and their synthesis with structure-activity relationship.
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Affiliation(s)
- Apurba Dutta
- Department of Chemistry, Dibrugarh University, Dibrugarh, 786004, Assam, India
| | - Diganta Sarma
- Department of Chemistry, Dibrugarh University, Dibrugarh, 786004, Assam, India.
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42
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Samim SA, Roy BC, Nayak S, Kundu S. Cobalt-Catalyzed Tandem Transformation of 2-Aminobenzonitriles to Quinazolinones Using Hydration and Dehydrogenative Coupling Strategy. J Org Chem 2020; 85:11359-11367. [PMID: 32786628 DOI: 10.1021/acs.joc.0c01307] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A tandem synthesis of quinazolinones from 2-aminobenzonitriles is demonstrated here by using an aliphatic alcohol-water system. For this transformation, a cheap and easily available cobalt salt and P(CH2CH2PPh2)3 (PP3) ligand were employed. The substrate scope, scalability, and synthesis of natural products exhibited the vitality of this protocol.
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Affiliation(s)
- Sk Abdus Samim
- Department of Chemistry, IIT Kanpur, Kanpur 208016, UP, India
| | | | - Sourav Nayak
- Department of Chemistry, IIT Kanpur, Kanpur 208016, UP, India
| | - Sabuj Kundu
- Department of Chemistry, IIT Kanpur, Kanpur 208016, UP, India
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43
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Chakraborty A, Chowdhury T, Menéndez MI, Chattopadhyay T. Iron Complexes Anchored onto Magnetically Separable Graphene Oxide Sheets: An Excellent Catalyst for the Synthesis of Dihydroquinazoline-Based Compounds. ACS APPLIED MATERIALS & INTERFACES 2020; 12:38530-38545. [PMID: 32805955 DOI: 10.1021/acsami.0c08616] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this work, a green, sustainable, and efficient protocol for the syntheses of dihydroquinazoline derivatives is proposed. Initially, three Schiff base complexes of iron containing the ligand (2,2-dimethylpropane-1,3-diyl)bis(azanylylidene)bis(methanylylidene)bis(2,4-Xphenol), where X = Cl (complex 1)/Br (complex 2)/I (complex 3), were synthesized, fully characterized, and used in the desired syntheses. Complex 1 excelled as a catalyst, closely followed by complexes 2 and 3. DFT calculations helped in rationalizing the role of the halide substituent in the ligand backbone as a relevant factor in the catalytic superiority of complex 1 over complexes 2 and 3 for the synthesis of the dihydroquinazoline derivatives. Finally, to facilitate catalyst recoverability and reusability, complex 1 was immobilized on GO@Fe3O4@APTES (GO, graphene oxide; APTES, 3-aminopropyltriethoxysilane) to generate GO@Fe3O4@APTES@FeL1 (GOTESFe). GOTESFe was thoroughly characterized through scanning electron microscopy, transmission electron microscopy, powder X-ray diffraction, Fourier transform infrared spectroscopy, thermogravimetric analysis, and X-ray photoelectron spectroscopy and efficiently used for the synthesis of dihydroquinazoline derivatives. GOTESFe could be magnetically recovered and reused up to five cycles without compromising its catalytic efficiency. Therefore, immobilization of the chosen iron complex onto magnetic GO sheets offers an extremely competent route in providing a blueprint of a readily recoverable, reusable, robust, and potent catalyst for the synthesis of dihydroquinazoline-based compounds.
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Affiliation(s)
- Aratrika Chakraborty
- Department of Chemistry, University College of Science, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - Tania Chowdhury
- Department of Chemistry, University College of Science, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - María Isabel Menéndez
- Departamento de Química Físicay Analítica, C/Julián Clavería, 8, Oviedo 33006, Spain
| | - Tanmay Chattopadhyay
- Department of Chemistry, Diamond Harbour Women's University, Diamond Harbour Road, Sarisha, South 24 Pgs, West Bengal 743368, India
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44
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Naruto H, Togo H. Preparation of 4-arylquinazolines with o-(N-alkyl,N-p-tosyl)aminobenzonitriles, aryllithiums, and NIS. Org Biomol Chem 2020; 18:5666-5676. [PMID: 32662475 DOI: 10.1039/d0ob01223h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The treatment of o-(N-alkyl,N-p-tosyl)aminobenzonitriles with aryllithiums, followed by the reaction with water, NIS under irradiation with a fluorescent lamp, and then tBuOK gave 2-alkyl-4-arylquinazolines or 4-arylquinazolines in good to moderate yields. The present reaction proceeds through the formation of N-iodoimines from imines with NIS, the generation of iminyl radicals, the 1,6-H shift by iminyl radicals, the cyclization via 6-exo-tet mode, and finally the elimination of p-toluenesulfinate to generate 2-alkyl-4-arylquinazolines or 4-arylquinazolines.
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Affiliation(s)
- Hiroki Naruto
- Graduate School of Science, Chiba University, Yayoi-cho 1-33, Inage-ku, Chiba 263-8522, Japan
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45
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Sinha S, Das S, Mondal R, Mandal S, Paul ND. Cobalt complexes of redox noninnocent azo-aromatic pincers. Isolation, characterization, and application as catalysts for the synthesis of quinazolin-4(3H)-ones. Dalton Trans 2020; 49:8448-8459. [PMID: 32239054 DOI: 10.1039/d0dt00394h] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein we report the synthesis, characterization and catalytic application of three new cobalt(ii)-complexes of redox noninnocent arylazo ligands, 2-(phenylazo)-1,10-phenanthroline (L1a), 2-(4-chlorophenylazo)-1,10-phenanthroline (L1b) and 2,9-bis(phenyldiazo)-1,10-phenanthroline (L2) respectively. The reaction of L1a with CoIICl2·6H2O produced a μ-dichloro bridged binuclear cobalt(ii)-complex [Co(L1a)2Cl2] (1a) while the same reaction when carried out with 2-(4-chlorophenyl)azo-1,10-phenanthroline (L1b) and 2,9-bis(phenyldiazo)-1,10-phenanthroline (L2) ligands produced two new mononuclear five-coordinate cobalt(ii)-complexes 1b and 2 respectively. In complex 1a and 1b, the ligands L1a and L1b are coordinated to the cobalt(ii)-center in a tridentate mode utilizing all of its nitrogen donor sites while in complex 2 one of the azo-donor sites of the ligand L2 remain pendant. All these complexes were characterized using available spectroscopic techniques and DFT studies. We further explored the potential of these complexes as catalysts for the synthesis of pharmaceutically important organic compounds via the functionalization of alcohols. A variety of substituted quinazolin-4(3H)-ones were synthesized under aerobic conditions via the coupling of alcohols and 2-aminobenzamide using 1b as the catalyst. Mechanistic investigations revealed that both cobalt and the arylazo scaffold act synergistically during catalysis.
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Affiliation(s)
- Suman Sinha
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Botanic Garden, Howrah 711103, India.
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46
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Selective CO2 adsorption and Lewis acid catalytic activity towards naphthimidazole synthesis by a Zn-MOF. Polyhedron 2020. [DOI: 10.1016/j.poly.2020.114584] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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47
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Hu FP, Cui XF, Lu GQ, Huang GS. Base-promoted Lewis acid catalyzed synthesis of quinazoline derivatives. Org Biomol Chem 2020; 18:4376-4380. [PMID: 32458847 DOI: 10.1039/d0ob00225a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
A one-pot protocol has been developed for the synthesis of quinazolinones from amide-oxazolines with TsCl via a cyclic 1,3-azaoxonium intermediate and 6π electron cyclization in the presence of a Lewis acid and base. The process is operationally simple and has a broad substrate scope. This method provides a unique strategy for the construction of quinazolinones.
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Affiliation(s)
- Fang-Peng Hu
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Department of Chemistry, Lanzhou University, Lanzhou 730000, China.
| | - Xin-Feng Cui
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Department of Chemistry, Lanzhou University, Lanzhou 730000, China.
| | - Guo-Qiang Lu
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Department of Chemistry, Lanzhou University, Lanzhou 730000, China.
| | - Guo-Sheng Huang
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Department of Chemistry, Lanzhou University, Lanzhou 730000, China.
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48
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Yang H, Xu J, Zhang Y, He L, Zhang P, Li W. Synthesis of quinazoin-4-ones through an acid ion exchange resin mediated cascade reaction. Org Biomol Chem 2020; 18:4406-4414. [PMID: 32459237 DOI: 10.1039/d0ob00881h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
An interesting cascade reaction of N-(2-(4,5-dihydrooxazol-2-yl)phenyl)benzamide in the presence of an acid ion exchange resin is described. In this reaction, a range of substrates bearing various substituent groups are well compatible. This work provides a green and atom-economical alternative approach for the synthesis of quinazolin-4-ones in good yields.
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Affiliation(s)
- Huiyong Yang
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Jun Xu
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Yilan Zhang
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Lei He
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Pengfei Zhang
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Wanmei Li
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
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49
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Mondal A, Sahoo MK, Subaramanian M, Balaraman E. Manganese(I)-Catalyzed Sustainable Synthesis of Quinoxaline and Quinazoline Derivatives with the Liberation of Dihydrogen. J Org Chem 2020; 85:7181-7191. [DOI: 10.1021/acs.joc.0c00561] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Akash Mondal
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India
| | - Manoj Kumar Sahoo
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India
| | - Murugan Subaramanian
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India
| | - Ekambaram Balaraman
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India
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50
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Recent advancement in oxidation or acceptorless dehydrogenation of alcohols to valorised products using manganese based catalysts. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213241] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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