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Beck PS, Leitão AG, Santana YB, Correa JR, Rodrigues CVS, Machado DFS, Matos GDR, Ramos LM, Gatto CC, Oliveira SCC, Andrade CKZ, Neto BAD. Revisiting Biginelli-like reactions: solvent effects, mechanisms, biological applications and correction of several literature reports. Org Biomol Chem 2024; 22:3630-3651. [PMID: 38652003 DOI: 10.1039/d4ob00272e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
This study critically reevaluates reported Biginelli-like reactions using a Kamlet-Abboud-Taft-based solvent effect model. Surprisingly, structural misassignments were discovered in certain multicomponent reactions, leading to the identification of pseudo three-component derivatives instead of the expected MCR adducts. Attempts to replicate literature conditions failed, prompting reconsideration of the described MCRs and proposed mechanisms. Electrospray ionization (tandem) mass spectrometry, NMR, melting points, elemental analyses and single-crystal X-ray analysis exposed inaccuracies in reported MCRs and allowed for the proposition of a complete catalytic cycle. Biological investigations using both pure and "contaminated" derivatives revealed distinctive features in assessed bioassays. A new cellular action mechanism was unveiled for a one obtained pseudo three-component adduct, suggesting similarity with the known dihydropyrimidinone Monastrol as Eg5 inhibitors, disrupting mitosis by forming monoastral mitotic spindles. Docking studies and RMSD analyses supported this hypothesis. The findings described herein underscore the necessity for a critical reexamination and potential corrections of structural assignments in several reports. This work emphasizes the significance of rigorous characterization and critical evaluation in synthetic chemistry, urging a careful reassessment of reported synthesis and biological activities associated with these compounds.
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Affiliation(s)
- Pedro S Beck
- University of Brasilia, Institute of Chemistry, Laboratory of Medicinal and Technological Chemistry. Campus Universitário Darcy Ribeiro, Brasília, DF, 70910-900, Brazil.
| | - Arthur G Leitão
- University of Brasilia, Institute of Chemistry, Laboratory of Medicinal and Technological Chemistry. Campus Universitário Darcy Ribeiro, Brasília, DF, 70910-900, Brazil.
| | - Yasmin B Santana
- University of Brasilia, Institute of Chemistry, Laboratory of Medicinal and Technological Chemistry. Campus Universitário Darcy Ribeiro, Brasília, DF, 70910-900, Brazil.
| | - José R Correa
- University of Brasilia, Institute of Chemistry, Laboratory of Medicinal and Technological Chemistry. Campus Universitário Darcy Ribeiro, Brasília, DF, 70910-900, Brazil.
| | - Carime V S Rodrigues
- University of Brasilia, Institute of Chemistry, Laboratory of Medicinal and Technological Chemistry. Campus Universitário Darcy Ribeiro, Brasília, DF, 70910-900, Brazil.
| | - Daniel F S Machado
- University of Brasilia, Institute of Chemistry, Laboratory of Medicinal and Technological Chemistry. Campus Universitário Darcy Ribeiro, Brasília, DF, 70910-900, Brazil.
| | - Guilherme D R Matos
- University of Brasilia, Institute of Chemistry, Laboratory of Medicinal and Technological Chemistry. Campus Universitário Darcy Ribeiro, Brasília, DF, 70910-900, Brazil.
| | - Luciana M Ramos
- Universidade Estadual de Goiás (UEG), Anápolis, Goiás, 75001-970, Brazil
| | - Claudia C Gatto
- University of Brasilia, Institute of Chemistry, Laboratory of Medicinal and Technological Chemistry. Campus Universitário Darcy Ribeiro, Brasília, DF, 70910-900, Brazil.
| | - Sarah C C Oliveira
- University of Brasilia, Institute of Biology, Laboratory of Allelopathy, Campus Universitário Darcy Ribeiro, Brasília, DF, 70910-900, Brazil
| | - Carlos K Z Andrade
- University of Brasilia, Institute of Chemistry, Laboratory of Medicinal and Technological Chemistry. Campus Universitário Darcy Ribeiro, Brasília, DF, 70910-900, Brazil.
| | - Brenno A D Neto
- University of Brasilia, Institute of Chemistry, Laboratory of Medicinal and Technological Chemistry. Campus Universitário Darcy Ribeiro, Brasília, DF, 70910-900, Brazil.
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Borah B, Dhar Dwivedi K, Chowhan LR. 4‐Hydroxycoumarin: A Versatile Substrate for Transition‐metal‐free Multicomponent Synthesis of Bioactive Heterocycles. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100550] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Biplob Borah
- School of Applied Material Sciences Centre for Applied Chemistry Central University of Gujarat Sector-30 Gandhinagar 382030 India
| | - Kartikey Dhar Dwivedi
- School of Applied Material Sciences Centre for Applied Chemistry Central University of Gujarat Sector-30 Gandhinagar 382030 India
| | - L. Raju Chowhan
- School of Applied Material Sciences Centre for Applied Chemistry Central University of Gujarat Sector-30 Gandhinagar 382030 India
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Matloubi Moghaddam F, Goudarzi M, Mohammadzadeh Dezag H. A novel and efficient four-component synthesis of chromen–based dithiocarbamate derivatives by homogeneous catalysts under solvent-free conditions. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.1910303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Firouz Matloubi Moghaddam
- Laboratory of Organic Synthesis and Natural Products, Department of Chemistry, Sharif University of Technology, Tehran, Iran
| | - Mehri Goudarzi
- Laboratory of Organic Synthesis and Natural Products, Department of Chemistry, Sharif University of Technology, Tehran, Iran
| | - Hamid Mohammadzadeh Dezag
- Laboratory of Organic Synthesis and Natural Products, Department of Chemistry, Sharif University of Technology, Tehran, Iran
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Mohamadpour F. Supramolecular β-cyclodextrin as a Biodegradable and Reusable Catalyst Promoted Environmentally Friendly Synthesis of Pyrano[2,3- d]pyrimidine Scaffolds via Tandem Knoevenagel–Michael–Cyclocondensation Reaction in Aqueous Media. Polycycl Aromat Compd 2020. [DOI: 10.1080/10406638.2020.1852274] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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7
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Bakhshi R, Zeynizadeh B, Mousavi H. Green, rapid, and highly efficient syntheses of
α
,
α′
‐bis[(aryl or allyl)idene]cycloalkanones and 2‐[(aryl or allyl)idene]‐1‐indanones as potentially biologic compounds via solvent‐free microwave‐assisted Claisen–Schmidt condensation catalyzed by MoCl
5. J CHIN CHEM SOC-TAIP 2019. [DOI: 10.1002/jccs.201900081] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Reza Bakhshi
- Department of Organic Chemistry, Faculty of ChemistryUrmia University Urmia Iran
| | - Behzad Zeynizadeh
- Department of Organic Chemistry, Faculty of ChemistryUrmia University Urmia Iran
| | - Hossein Mousavi
- Department of Organic Chemistry, Faculty of ChemistryUrmia University Urmia Iran
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