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Sumran G, Jain N, Kumar P, Aggarwal R. Trifluoromethyl-β-dicarbonyls as Versatile Synthons in Synthesis of Heterocycles. Chemistry 2024; 30:e202303599. [PMID: 38055226 DOI: 10.1002/chem.202303599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/01/2023] [Accepted: 12/04/2023] [Indexed: 12/07/2023]
Abstract
Trifluoromethyl group relishes a privileged position in the realm of medicinal chemistry because its incorporation into organic molecules often enhances the bioactivity by altering pharmacological profile of molecule. Trifluoromethyl-β-dicarbonyls have emerged as pivotal building blocks in synthetic organic chemistry due to their facile accessibility, stability and remarkable versatility. Owing to presence of nucleophilic and electrophilic sites, they offer multifunctional sites for the reaction. This review covers a meticulous exploration of their multifaceted role, encompassing an in-depth analysis of mechanism, extensive scope, limitations and wide-ranging applications in diverse organic synthesis, covering the literature from the 21st century. This comprehensive review encapsulates the applications of trifluoromethyl-β-dicarbonyls and their synthetic equivalents as precursors of complex and diverse heterocyclic scaffolds, fused heterocycles and spirocyclic compounds having medicinal and material importance. Their potent synthetic utility in cyclocondensation reactions with binucleophiles, cycloaddition reactions, C-C bond formations, asymmetric multicomponent reactions using classical/solvent-free/catalytic synthesis have been presented. Influence of unsymmetrical trifluoromethyl-β-diketones on regioselectivity of transformation is also reviewed. This review will benefit the synthetic and pharmaceutical communities to explore trifluoromethyl-β-dicarbonyls as trifluoromethyl building blocks for fabrication of heterocyclic scaffolds having implementation into drug discovery programs in the imminent future.
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Affiliation(s)
- Garima Sumran
- Department of Chemistry, D. A. V. College (Lahore), Ambala City, 134 003, Haryana, India
| | - Naman Jain
- Department of Chemistry, Kurukshetra University, Kurukshetra, 136 119, India
| | - Prince Kumar
- Department of Chemistry, Kurukshetra University, Kurukshetra, 136 119, India
| | - Ranjana Aggarwal
- Department of Chemistry, Kurukshetra University, Kurukshetra, 136 119, India
- CSIR-National Institute of Science Communication and Policy Research, New Delhi, 110012, India
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Catalyst- and solvent-free coupling of 2-methyl quinazolinones and 3-(trifluoroacetyl)coumarins: An environmentally benign access of quinazolinone derivatives. JOURNAL OF SAUDI CHEMICAL SOCIETY 2023. [DOI: 10.1016/j.jscs.2023.101621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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3
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Design, Catalyst-Free Synthesis of New Novel α-Trifluoromethylated Tertiary Alcohols Bearing Coumarins as Potential Antifungal Agents. MOLECULES (BASEL, SWITZERLAND) 2022; 28:molecules28010260. [PMID: 36615454 PMCID: PMC9822406 DOI: 10.3390/molecules28010260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/23/2022] [Accepted: 12/26/2022] [Indexed: 12/31/2022]
Abstract
A new method for the synthesis of α-trifluoromethylated tertiary alcohols bearing coumarins is described. The reaction of 3-(trifluoroacetyl)coumarin and pyrrole provided the target compounds with high yields under catalyst-free, mild conditions. The crystal structure of compound 3fa was investigated by X-ray diffraction analysis. The biological activities, such as in vitro antifungal activity of the α-trifluoromethylated tertiary alcohols against Fusarium graminearum, Fusarium oxysporum, Fusarium moniliforme, Rhizoctonia solani Kuhn, and Phytophthora parasitica var nicotianae, were investigated. The bioassay results indicated that compounds 3ad, 3gd, and 3hd showed broad-spectrum antifungal activity in vitro. Compound 3cd exhibited excellent fungicidal activity against Rhizoctonia solani Kuhn, with an EC50 value of 10.9 μg/mL, which was comparable to that of commercial fungicidal triadimefon (EC50 = 6.1 μg/mL). Furthermore, molecular docking study suggested that 3cd had high binding affinities with 1W9U, like argifin.
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A one-pot approach to novel α-trifluoromethylated coumarin-bearing tertiary alcohols promoted by CH3COOH/NH4OAc via consecutive ring-opening/aldol sequence. JOURNAL OF SAUDI CHEMICAL SOCIETY 2022. [DOI: 10.1016/j.jscs.2022.101578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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5
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Synthesis and antifungal activities of novel trifluoroethane derivatives with coumarin, indole and thiophene. JOURNAL OF SAUDI CHEMICAL SOCIETY 2022. [DOI: 10.1016/j.jscs.2022.101572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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6
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Zhou B, Yang G, Wang C, Liu L, Shi L, Pan Z, Ji X, Wu L, Zheng H, Xu C, Fan L. Highly Chemoselective Synthesis of Azaarene-Equipped CF 3-Tertiary Alcohols under Metal-Free Conditions and Their Fungicidal Activities. ACS OMEGA 2022; 7:38084-38093. [PMID: 36312435 PMCID: PMC9609063 DOI: 10.1021/acsomega.2c05855] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 09/29/2022] [Indexed: 05/16/2023]
Abstract
A highly chemoselective reaction between α,β-unsaturated trifluoromethyl ketones with azaarenes under metal-free conditions was carried out, affording a range of valuable azaarene-equipped CF3-tertiary alcohols in moderate to excellent yields (up to 95% yield) with good tolerance of functional groups, and their structures were confirmed by NMR, HRMS, and X-ray diffraction for validation. This method features simple reaction conditions (only solvent), high atom- and step-economy, and broad substrate scope. Moreover, most of the target products exhibited promising fungicidal activities, and compound 3al exhibited 91.65% fungicidal activity against R. solani, with an EC50 value of 0.18 mg/mL.
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Affiliation(s)
- Bingyi Zhou
- College
of Sciences, Henan Agricultural University, Zhengzhou 450002, China
- College
of Tobacco Sciences, Henan Agricultural
University, Zhengzhou 450002, China
| | - Guoyu Yang
- College
of Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Caixia Wang
- College
of Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Lijie Liu
- College
of Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Lijun Shi
- College
of Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Zhenliang Pan
- College
of Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Xiaoming Ji
- College
of Tobacco Sciences, Henan Agricultural
University, Zhengzhou 450002, China
| | - Lulu Wu
- College
of Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Huayu Zheng
- College
of Sciences, Chang’an University, Xi’an 710064, China
| | - Cuilian Xu
- College
of Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Liangxin Fan
- College
of Sciences, Henan Agricultural University, Zhengzhou 450002, China
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Synthesis of Novel Indole Schiff Base Compounds and Their Antifungal Activities. Molecules 2022; 27:molecules27206858. [PMID: 36296452 PMCID: PMC9609699 DOI: 10.3390/molecules27206858] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/04/2022] [Accepted: 10/10/2022] [Indexed: 11/28/2022] Open
Abstract
A series of novel indole Schiff base derivatives (2a–2t) containing a 1,3,4-thiadiazole scaffold modified with a thioether group were synthesized, and their structures were confirmed using FT-IR, 1H NMR, 13C NMR, and HR-MS. In addition, the antifungal activity of synthesized indole derivatives was investigated against Fusarium graminearum (F. graminearum), Fusarium oxysporum (F. oxysporum), Fusariummoniliforme (F.moniliforme), Curvularia lunata (C. lunata), and Phytophthora parasitica var. nicotiana (P. p. var. nicotianae) using the mycelium growth rate method. Among the synthesized indole derivatives, compound 2j showed the highest inhibition rates of 100%, 95.7%, 89%, and 76.5% at a concentration of 500 μg/mL against F. graminearum, F. oxysporum, F.moniliforme, and P. p. var. nicotianae, respectively. Similarly, compounds 2j and 2q exhibited higher inhibition rates of 81.9% and 83.7% at a concentration of 500 μg/mL against C. lunata. In addition, compound 2j has been recognized as a potential compound for further investigation in the field of fungicides.
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Nakashima K, Minai A, Okuaki Y, Matsushima Y, Hirashima SI, Miura T. Organocatalytic one-pot asymmetric synthesis of 6-trifluoromethyl-substituted 7,8-dihydrochromen-6-ol. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153733] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Wu L, Yuan X, Yang G, Xu C, Pan Z, Shi L, Wang C, Fan L. An eco-friendly procedure for the synthesis of new phosphates using KF/Al2O3 under solventless conditions and their antifungal properties. JOURNAL OF SAUDI CHEMICAL SOCIETY 2021. [DOI: 10.1016/j.jscs.2021.101273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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10
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Favi G. Modern Strategies for Heterocycle Synthesis. Molecules 2020; 25:molecules25112476. [PMID: 32471057 PMCID: PMC7321172 DOI: 10.3390/molecules25112476] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 05/25/2020] [Indexed: 12/14/2022] Open
Affiliation(s)
- Gianfranco Favi
- Department of Biomolecular Sciences, Section of Chemistry and Pharmaceutical Technologies, University of Urbino "Carlo Bo", Via I Maggetti 24, 61029 Urbino (PU), Italy
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Shi L, Liu Y, Wang C, Yuan X, Liu X, Wu L, Pan Z, Yu Q, Xu C, Yang G. Synthesis of 1-(β-coumarinyl)-1-(β-indolyl)trifluoroethanols through regioselective Friedel-Crafts alkylation of indoles with β-(trifluoroacetyl)coumarins catalyzed by Sc(OTf) 3. RSC Adv 2020; 10:13929-13935. [PMID: 35498470 PMCID: PMC9051918 DOI: 10.1039/d0ra01237h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 03/20/2020] [Indexed: 11/22/2022] Open
Abstract
A highly efficient Friedel-Crafts alkylation of indole derivatives with β-(trifluoroacetyl)coumarins using Sc(OTf)3 as a catalyst has been developed, which gives regioselective 1,2-adducts to afford 1-(β-coumarinyl)-1-(β-indolyl)trifluoroethanols. A series of tertiary trifluoroethanols containing different indole and coumarin groups were synthesized in moderate to excellent yields (up to 95%) in the presence of 5 mol% catalyst in a short time (only 2 minutes at least). A mechanism of the reaction, in which the trace amount of water plays the role of proton transfer in catalyzing circulation was proposed and confirmed.
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Affiliation(s)
- Lijun Shi
- School of Science, Henan Agricultural University Zhengzhou 450002 P. R. China
| | - Ying Liu
- School of Science, Henan Agricultural University Zhengzhou 450002 P. R. China
| | - Caixia Wang
- School of Science, Henan Agricultural University Zhengzhou 450002 P. R. China
| | - Xinxin Yuan
- College of Resource and Environment, Henan Agricultural University Zhengzhou 450002 P. R. China
| | - Xiaobiao Liu
- School of Science, Henan Agricultural University Zhengzhou 450002 P. R. China
| | - Lulu Wu
- School of Science, Henan Agricultural University Zhengzhou 450002 P. R. China
| | - Zhenliang Pan
- School of Science, Henan Agricultural University Zhengzhou 450002 P. R. China
| | - Qicheng Yu
- College of Animal Science and Veterinary Medicine, Henan Agricultural University Zhengzhou 450002 P. R. China
| | - Cuilian Xu
- School of Science, Henan Agricultural University Zhengzhou 450002 P. R. China
| | - Guoyu Yang
- School of Science, Henan Agricultural University Zhengzhou 450002 P. R. China
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Yuan X, Wu L, Xu C, Pan Z, Shi L, Yang G, Wang C, Fan S. A consecutive one-pot two-step approach to novel trifluoromethyl-substituted bis(indolyl)methane derivatives promoted by Sc(OTf)3 and p-TSA. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.151329] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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