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Rizo-Liendo A, Arberas-Jiménez I, Sifaoui I, Gkolfi D, Santana Y, Cotos L, Tejedor D, García-Tellado F, Piñero JE, Lorenzo-Morales J. The therapeutic potential of novel isobenzofuranones against Naegleria fowleri. Int J Parasitol Drugs Drug Resist 2021; 17:139-149. [PMID: 34627024 PMCID: PMC8501684 DOI: 10.1016/j.ijpddr.2021.09.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 09/24/2021] [Accepted: 09/28/2021] [Indexed: 11/22/2022]
Abstract
The Free-Living Amoeba species, Naegleria fowleri is the causative agent of a lethal encephalitis known as Primary Amoebic Encephalitis (PAM). Moreover, most of the reported cases are often related to swimming and/or diving in aquatic environments. In addition, the current therapeutic options against PAM are not fully effective and hence, there is an urgent need to develop novel therapeutic agents against this disease. Previously isobenzofuranones compounds have been reported to present antiprotozoal and antifungal activity among others. However, to the best of our knowledge, these molecules have not been previously tested against N. fowleri. Therefore, the aim of this study was to evaluate the activity of 14 novel isobenzofuranones against this pathogenic amoeba. The most active and less toxic molecules, were assayed in order to check induction of Programmed Cell Death (PCD) in the treated amoebae. The obtained results showed that these molecules were able to eliminate N. fowleri trophozoites and also induced PCD. Therefore, the tested isobenzofuranones could be potential therapeutic candidates for the treatment of PAM.
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Affiliation(s)
- Aitor Rizo-Liendo
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Avda. Astrofísico Fco. Sánchez, S/N, La Laguna, Tenerife, 38203, Islas Canarias, Spain; Departamento de Obstetricia, Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad De La Laguna, La Laguna, Tenerife, 38203, Islas Canarias, Spain; Red de Investigación Colaborativa en Enfermedades Tropicales (RICET), Spain
| | - Iñigo Arberas-Jiménez
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Avda. Astrofísico Fco. Sánchez, S/N, La Laguna, Tenerife, 38203, Islas Canarias, Spain; Departamento de Obstetricia, Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad De La Laguna, La Laguna, Tenerife, 38203, Islas Canarias, Spain; Red de Investigación Colaborativa en Enfermedades Tropicales (RICET), Spain
| | - Ines Sifaoui
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Avda. Astrofísico Fco. Sánchez, S/N, La Laguna, Tenerife, 38203, Islas Canarias, Spain; Departamento de Obstetricia, Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad De La Laguna, La Laguna, Tenerife, 38203, Islas Canarias, Spain; Red de Investigación Colaborativa en Enfermedades Tropicales (RICET), Spain; Consorcio Centro De Investigacion Biomedica En Red M.P. (CIBER) de Enfermedades Infecciosas, Inst. de Salud Carlos III, Madrid, Spain
| | - Dimitra Gkolfi
- Instituto de Productos Naturales y Agrobiología, Consejo Superior de Investigaciones Científicas, Avda. Fco. Sánchez 3, 38206, La Laguna, Tenerife, Islas Canarias, Spain
| | - Yiset Santana
- Instituto de Productos Naturales y Agrobiología, Consejo Superior de Investigaciones Científicas, Avda. Fco. Sánchez 3, 38206, La Laguna, Tenerife, Islas Canarias, Spain
| | - Leandro Cotos
- Instituto de Productos Naturales y Agrobiología, Consejo Superior de Investigaciones Científicas, Avda. Fco. Sánchez 3, 38206, La Laguna, Tenerife, Islas Canarias, Spain
| | - David Tejedor
- Instituto de Productos Naturales y Agrobiología, Consejo Superior de Investigaciones Científicas, Avda. Fco. Sánchez 3, 38206, La Laguna, Tenerife, Islas Canarias, Spain.
| | - Fernando García-Tellado
- Instituto de Productos Naturales y Agrobiología, Consejo Superior de Investigaciones Científicas, Avda. Fco. Sánchez 3, 38206, La Laguna, Tenerife, Islas Canarias, Spain
| | - José E Piñero
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Avda. Astrofísico Fco. Sánchez, S/N, La Laguna, Tenerife, 38203, Islas Canarias, Spain; Departamento de Obstetricia, Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad De La Laguna, La Laguna, Tenerife, 38203, Islas Canarias, Spain; Red de Investigación Colaborativa en Enfermedades Tropicales (RICET), Spain; Consorcio Centro De Investigacion Biomedica En Red M.P. (CIBER) de Enfermedades Infecciosas, Inst. de Salud Carlos III, Madrid, Spain.
| | - Jacob Lorenzo-Morales
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Avda. Astrofísico Fco. Sánchez, S/N, La Laguna, Tenerife, 38203, Islas Canarias, Spain; Departamento de Obstetricia, Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad De La Laguna, La Laguna, Tenerife, 38203, Islas Canarias, Spain; Red de Investigación Colaborativa en Enfermedades Tropicales (RICET), Spain; Consorcio Centro De Investigacion Biomedica En Red M.P. (CIBER) de Enfermedades Infecciosas, Inst. de Salud Carlos III, Madrid, Spain.
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de Souza APM, Costa MCA, de Aguiar AR, Bressan GC, de Almeida Lima GD, Lima WP, Borsodi MPG, Bergmann BR, Ferreira MMC, Teixeira RR. Leishmanicidal and cytotoxic activities and 4D-QSAR of 2-arylidene indan-1,3-diones. Arch Pharm (Weinheim) 2021; 354:e2100081. [PMID: 34323311 DOI: 10.1002/ardp.202100081] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 06/23/2021] [Accepted: 06/25/2021] [Indexed: 01/07/2023]
Abstract
The indan-1,3-dione and its derivatives are important building blocks in organic synthesis and present important biological activities. Herein, the leishmanicidal and cytotoxicity evaluation of 16 2-arylidene indan-1,3-diones is described. The compounds were evaluated against the leukemia cell lines HL60 and Nalm6, and the most effective ones were 2-(4-nitrobenzylidene)-1H-indene-1,3(2H)-dione (4) and 4-[(1,3-dioxo-1H-inden-2(3H)-ylidene)methyl]benzonitrile (10), presenting IC50 values of around 30 µmol/L against Nalm6. The leishmanicidal activity was assessed on Leishmania amazonensis, with derivative 4 (IC50 = 16.6 µmol/L) being the most active. A four-dimensional quantitative structure-activity analysis (4D-QSAR) was applied to the indandione derivatives, through partial least-squares regression. The statistics presented by the regression models built with the selected field descriptors of Coulomb (C) and Lennard-Jones (L) nature, considering the activities against L. amazonensis, HL60, and Nalm6 leukemia cells, were, respectively, R2 = 0.88, 0.92, and 0.98; Q2 = 0.83, 0.88, and 0.97. The presence of positive Coulomb descriptors near the carbonyl groups indicates that these polar groups are related to the activities. Besides, the presence of positive Lennard-Jones descriptors close to substituents R3 or R1 indicates that bulky nonpolar substituents in these positions tend to increase the activities. This study provides useful insights into the mode of action of indandione derivatives for each biological activity involved.
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Affiliation(s)
- Ana P M de Souza
- Departamento de Química, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Maria C A Costa
- Theoretical and Applied Chemometrics Laboratory (LQTA), Institute of Chemistry, University of Campinas, Campinas, Brazil
| | - Alex R de Aguiar
- Departamento de Química, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Gustavo C Bressan
- Escola de Ciências da Saúde, Universidade do Grande Rio, Duque de Caxias, Brazil
| | | | - Wallace P Lima
- Escola de Ciências da Saúde, Universidade do Grande Rio, Duque de Caxias, Brazil.,Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Maria P G Borsodi
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Bartira R Bergmann
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Márcia M C Ferreira
- Theoretical and Applied Chemometrics Laboratory (LQTA), Institute of Chemistry, University of Campinas, Campinas, Brazil
| | - Róbson R Teixeira
- Departamento de Química, Universidade Federal de Viçosa, Viçosa, Brazil
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3
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Liang X, Xiong M, Zhu H, Shi K, Zhou Y, Pan Y. Copper/Palladium Bimetallic System for the Synthesis of Isobenzofuranones through [4 + 1] Annulation between Propiophenones and Benzoic Acids. Org Lett 2020; 22:9568-9573. [DOI: 10.1021/acs.orglett.0c03627] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Xiao Liang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China
| | - Mingteng Xiong
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China
| | - Heping Zhu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China
| | - Keqiang Shi
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China
| | - Yifeng Zhou
- College of Life Sciences, China Jiliang University, Hangzhou 310018, Zhejiang, P. R. China
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China
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4
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Wang R, Xu H, Li T, Zhang Y, Wang S, Chen G, Li C, Zhao H. Iridium/Copper‐Catalyzed Oxidative C−H/O−H Annulation of Benzoic Acids with Saturated Ketones for Accessing 3‐Substituted Phthalides. ChemCatChem 2020. [DOI: 10.1002/cctc.202001214] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Rui Wang
- School of Chemistry and Chemical Engineering University of Jinan Jinan Shandong 250022 P. R. China
| | - Hongyan Xu
- School of Chemistry and Chemical Engineering University of Jinan Jinan Shandong 250022 P. R. China
| | - Tingting Li
- School of Chemistry and Chemical Engineering University of Jinan Jinan Shandong 250022 P. R. China
| | - Ying Zhang
- School of Chemistry and Chemical Engineering University of Jinan Jinan Shandong 250022 P. R. China
| | - Shoufeng Wang
- School of Chemistry and Chemical Engineering University of Jinan Jinan Shandong 250022 P. R. China
| | - Guozhu Chen
- School of Chemistry and Chemical Engineering University of Jinan Jinan Shandong 250022 P. R. China
| | - Cuncheng Li
- School of Chemistry and Chemical Engineering University of Jinan Jinan Shandong 250022 P. R. China
| | - Huaiqing Zhao
- School of Chemistry and Chemical Engineering University of Jinan Jinan Shandong 250022 P. R. China
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou Fujian 350002 P. R. China
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5
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Chuc LTN, Nguyen TAH, Hou DR. Acid-base-sensitive allylic oxidation of 2-allylbenzoic acids to form phthalides. Org Biomol Chem 2020; 18:2758-2768. [PMID: 32227018 DOI: 10.1039/d0ob00303d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Allylic oxidation of 2-allylbenzoic acids to phthalides, instead of Wacker-type isocoumarins, was achieved with 1,2-bis(phenylsulfinyl)ethane palladium(ii) acetate (White catalyst) and oxygen in DMSO. The selective formation of 3-ethylidenephthalides or 3-vinylphthalides was controlled by the addition of acids or bases, and the reaction conditions were applied to substituted 2-allylbenzoic acids to generate corresponding phthalides selectively. Mechanistic studies, including the corresponding reaction of (E)-2-(1-propenyl)benzoic acid to 3-methylisocoumarin, isomerization reaction of 3-vinylphthalide to 3-ethylidenephthalide, and the kinetic isotope effect using 2-(1,1-d2-allyl)benzoic acid, revealed the competition between Wacker-type oxidation and allylic C-H cleavage, which is the key step to generating phthalides. A natural product, 3-ethyl-6-hydroxyphthalide, was prepared by this method.
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Affiliation(s)
- Le Thi Ngoc Chuc
- Department of Chemistry, National Central University, No. 300 Jhong-Da Road, Jhong-li, Taoyuan, Taiwan 32001.
| | - Thi Anh Hong Nguyen
- Department of Chemistry, National Central University, No. 300 Jhong-Da Road, Jhong-li, Taoyuan, Taiwan 32001.
| | - Duen-Ren Hou
- Department of Chemistry, National Central University, No. 300 Jhong-Da Road, Jhong-li, Taoyuan, Taiwan 32001.
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6
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Synthesis of cinnamic acid derivatives and leishmanicidal activity against Leishmania braziliensis. Eur J Med Chem 2019; 183:111688. [DOI: 10.1016/j.ejmech.2019.111688] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 08/21/2019] [Accepted: 09/06/2019] [Indexed: 11/22/2022]
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7
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de Oliveira AS, Gazolla PAR, Oliveira AFCDS, Pereira WL, de S. Viol LC, Maia AFDS, Santos EG, da Silva ÍEP, Mendes TADO, da Silva AM, Dias RS, da Silva CC, Polêto MD, Teixeira RR, de Paula SO. Discovery of novel West Nile Virus protease inhibitor based on isobenzonafuranone and triazolic derivatives of eugenol and indan-1,3-dione scaffolds. PLoS One 2019; 14:e0223017. [PMID: 31557229 PMCID: PMC6762200 DOI: 10.1371/journal.pone.0223017] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 09/11/2019] [Indexed: 02/06/2023] Open
Abstract
The West Nile Virus (WNV) NS2B-NS3 protease is an attractive target for the development of therapeutics against this arboviral pathogen. In the present investigation, the screening of a small library of fifty-eight synthetic compounds against the NS2-NB3 protease of WNV is described. The following groups of compounds were evaluated: 3-(2-aryl-2-oxoethyl)isobenzofuran-1(3H)-ones; eugenol derivatives bearing 1,2,3-triazolic functionalities; and indan-1,3-diones with 1,2,3-triazolic functionalities. The most promising of these was a eugenol derivative, namely 4-(3-(4-allyl-2-methoxyphenoxy)-propyl)-1-(2-bromobenzyl)-1H-1,2,3-triazole (35), which inhibited the protease with IC50 of 6.86 μmol L-1. Enzyme kinetic assays showed that this derivative of eugenol presents competitive inhibition behaviour. Molecular docking calculations predicted a recognition pattern involving the residues His51 and Ser135, which are members of the catalytic triad of the WNV NS2B-NS3 protease.
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Affiliation(s)
- André S. de Oliveira
- Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa, MG, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia do Norte de Minas Gerais, Fazenda Biribiri, MG, Brazil
| | - Poliana A. R. Gazolla
- Instituto Federal de Educação, Ciência e Tecnologia do Norte de Minas Gerais, Fazenda Biribiri, MG, Brazil
| | - Ana Flávia C. da S. Oliveira
- Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa, MG, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia do Norte de Minas Gerais, Fazenda Biribiri, MG, Brazil
| | - Wagner L. Pereira
- Instituto Federal de Educação, Ciência e Tecnologia do Norte de Minas Gerais, Fazenda Biribiri, MG, Brazil
| | - Lívia C. de S. Viol
- Instituto Federal de Educação, Ciência e Tecnologia do Norte de Minas Gerais, Fazenda Biribiri, MG, Brazil
| | - Angélica F. da S. Maia
- Instituto Federal de Educação, Ciência e Tecnologia do Norte de Minas Gerais, Fazenda Biribiri, MG, Brazil
| | - Edjon G. Santos
- Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Ítalo E. P. da Silva
- Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | | | - Adalberto M. da Silva
- Departamento de Química, Universidade Federal de Viçosa, Viçosa, MG, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia Catarinense, Araquari, SC, Brazil
| | - Roberto S. Dias
- Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Cynthia C. da Silva
- Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Marcelo D. Polêto
- Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Róbson R. Teixeira
- Departamento de Química, Universidade Federal de Viçosa, Viçosa, MG, Brazil
- * E-mail: (SOP); (RRT)
| | - Sergio O. de Paula
- Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa, MG, Brazil
- * E-mail: (SOP); (RRT)
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8
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Seto M, Masada S, Usutani H, Cork DG, Fukuda K, Kawamoto T. Application of Continuous Flow-Flash Chemistry to Scale-up Synthesis of 5-Cyano-2-formylbenzoic Acid. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.9b00180] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Masaki Seto
- Neuroscience Drug Discovery Unit, Research, Takeda Pharmaceutical Company Ltd., 26-1, Muraoka-Higashi 2-chome, Fujisawa, Kanagawa 251-8555, Japan
| | - Shinichi Masada
- Neuroscience Drug Discovery Unit, Research, Takeda Pharmaceutical Company Ltd., 26-1, Muraoka-Higashi 2-chome, Fujisawa, Kanagawa 251-8555, Japan
| | - Hirotsugu Usutani
- Process Chemistry, Pharmaceutical Sciences, Takeda Pharmaceutical Company Ltd., 26-1, Muraoka-Higashi 2-chome, Fujisawa, Kanagawa 251-8555, Japan
| | - David G. Cork
- Process Chemistry, Pharmaceutical Sciences, Takeda Pharmaceutical Company Ltd., 26-1, Muraoka-Higashi 2-chome, Fujisawa, Kanagawa 251-8555, Japan
| | - Koichiro Fukuda
- Neuroscience Drug Discovery Unit, Research, Takeda Pharmaceutical Company Ltd., 26-1, Muraoka-Higashi 2-chome, Fujisawa, Kanagawa 251-8555, Japan
| | - Tetsuji Kawamoto
- Neuroscience Drug Discovery Unit, Research, Takeda Pharmaceutical Company Ltd., 26-1, Muraoka-Higashi 2-chome, Fujisawa, Kanagawa 251-8555, Japan
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9
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Sicignano M, Schettini R, Sica L, Pierri G, De Riccardis F, Izzo I, Maity B, Minenkov Y, Cavallo L, Della Sala G. Unprecedented Diastereoselective Arylogous Michael Addition of Unactivated Phthalides. Chemistry 2019; 25:7131-7141. [PMID: 30779872 DOI: 10.1002/chem.201900168] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Indexed: 01/08/2023]
Abstract
The first highly enantioselective arylogous Michael reaction (AMR) of 3-unsubstituted phthalides has been described. This phase-transfer methodology, which uses catalytic amounts of KOH/18-crown-6 catalyst in mesitylene in the presence of N,O-bis(trimethylsilyl)acetamide (BSA), gives access to a broad range of 3-monosubstituted phthalides with high levels of syn diastereoselectivity and good yields, starting from 3-unsubstituted derivatives and diverse α,β-unsaturated carbonyl compounds. The reaction also applies to unactivated 3-alkyl phthalides to afford 3,3-dialkyl derivatives. A plausible mechanism has been suggested. DFT analysis of possible transition states gives a rationale of the high syn diastereoselectivity observed and its correlation with the solvent's dielectric constant.
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Affiliation(s)
- Marina Sicignano
- Dipartimento di Chimica e Biologia "Adolfo Zambelli", Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
| | - Rosaria Schettini
- Dipartimento di Chimica e Biologia "Adolfo Zambelli", Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
| | - Luisa Sica
- Dipartimento di Chimica e Biologia "Adolfo Zambelli", Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
| | - Giovanni Pierri
- Dipartimento di Chimica e Biologia "Adolfo Zambelli", Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
| | - Francesco De Riccardis
- Dipartimento di Chimica e Biologia "Adolfo Zambelli", Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
| | - Irene Izzo
- Dipartimento di Chimica e Biologia "Adolfo Zambelli", Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
| | - Bholanath Maity
- KAUST Catalysis Center, KCC, King Abdullah University of Science and Technology, KAUST, Thuwal, 23955-6900, Saudi Arabia), E-mail
| | - Yury Minenkov
- Moscow Institute of Physics and Technology, MIPT, Institutskiy Pereulok 9, 141700, Dolgoprudny, Moscow Region, Russia
| | - Luigi Cavallo
- KAUST Catalysis Center, KCC, King Abdullah University of Science and Technology, KAUST, Thuwal, 23955-6900, Saudi Arabia), E-mail
| | - Giorgio Della Sala
- Dipartimento di Chimica e Biologia "Adolfo Zambelli", Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
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10
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Efficient PhB(OH)2-catalyzed one-pot synthesis of 3-substituted isoindolin-1-ones and isobenzofuran-1(3H)-ones under solvent free conditions. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.05.086] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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11
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Sicignano M, Dentoni Litta A, Schettini R, De Riccardis F, Pierri G, Tedesco C, Izzo I, Della Sala G. Highly Diastereoselective Crown Ether Catalyzed Arylogous Michael Reaction of 3-Aryl Phthalides. Org Lett 2017; 19:4383-4386. [DOI: 10.1021/acs.orglett.7b02113] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Marina Sicignano
- Dipartimento di Chimica e
Biologia “A. Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy
| | - Antonella Dentoni Litta
- Dipartimento di Chimica e
Biologia “A. Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy
| | - Rosaria Schettini
- Dipartimento di Chimica e
Biologia “A. Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy
| | - Francesco De Riccardis
- Dipartimento di Chimica e
Biologia “A. Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy
| | - Giovanni Pierri
- Dipartimento di Chimica e
Biologia “A. Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy
| | - Consiglia Tedesco
- Dipartimento di Chimica e
Biologia “A. Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy
| | - Irene Izzo
- Dipartimento di Chimica e
Biologia “A. Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy
| | - Giorgio Della Sala
- Dipartimento di Chimica e
Biologia “A. Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy
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12
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Kawaguchi SI, Nakamura K, Yamaguchi K, Sato Y, Gonda Y, Nishioka M, Sonoda M, Nomoto A, Ogawa A. Hydroiodination-Triggered Cascade Reaction with I2
/PPh3
/H2
O: Metal-Free Access to 3-Substituted Phthalides from 2-Alkynylbenzoates. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700839] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Shin-ichi Kawaguchi
- Center for Education and Research in Agricultural Innovation; Faculty of Agriculture; Saga University; 152-1 Shonan-cho, Karatsu 847-0021 Saga Japan
| | - Kentaro Nakamura
- Department of Applied Chemistry; Graduate School of Engineering; Osaka Prefecture University; 1-1 Gakuen-cho, Nakaku 599-8531 Sakai, Osaka Japan
| | - Kotaro Yamaguchi
- Department of Applied Chemistry; Graduate School of Engineering; Osaka Prefecture University; 1-1 Gakuen-cho, Nakaku 599-8531 Sakai, Osaka Japan
| | - Yuki Sato
- Department of Applied Chemistry; Graduate School of Engineering; Osaka Prefecture University; 1-1 Gakuen-cho, Nakaku 599-8531 Sakai, Osaka Japan
| | - Yuhei Gonda
- Department of Applied Chemistry; Graduate School of Engineering; Osaka Prefecture University; 1-1 Gakuen-cho, Nakaku 599-8531 Sakai, Osaka Japan
| | - Masaaki Nishioka
- Department of Applied Chemistry; Graduate School of Engineering; Osaka Prefecture University; 1-1 Gakuen-cho, Nakaku 599-8531 Sakai, Osaka Japan
| | - Motohiro Sonoda
- Department of Applied Biosciences; Graduate School of Life and Environmental Sciences; Osaka Prefecture University; 1-1 Gakuen-cho, Nakaku 599-8531 Sakai, Osaka Japan
| | - Akihiro Nomoto
- Department of Applied Chemistry; Graduate School of Engineering; Osaka Prefecture University; 1-1 Gakuen-cho, Nakaku 599-8531 Sakai, Osaka Japan
| | - Akiya Ogawa
- Department of Applied Chemistry; Graduate School of Engineering; Osaka Prefecture University; 1-1 Gakuen-cho, Nakaku 599-8531 Sakai, Osaka Japan
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