1
|
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.
Collapse
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.
| |
Collapse
|
2
|
Zhang M, Zhang T, Yu S, Qiu H, Yusuf A, Xu X, Qian Y, Hu W. Construction of 4-hydroxycoumarin derivatives with adjacent quaternary and tertiary stereocenters via ternary catalysis. Chem Sci 2023; 14:11850-11857. [PMID: 37920338 PMCID: PMC10619625 DOI: 10.1039/d3sc03452f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 09/22/2023] [Indexed: 11/04/2023] Open
Abstract
4-Hydroxycoumarin derivatives represent one of the most important scaffolds in biologically active substances, pharmaceuticals and functional materials. Herein, we describe an efficient Pd/amine/Brønsted acid ternary-catalytic multicomponent reaction for the rapid construction of substituted 4-hydroxycoumarin derivatives with adjacent quaternary and tertiary stereocenters via convergent assembly of two in situ generated active intermediates. Furthermore, the late-stage transformations of coumarin derivatives and their in vitro trial of antitumor activity successfully demonstrated the potential utilities of the products as platform molecules.
Collapse
Affiliation(s)
- Mengchu Zhang
- School of Pharmaceutical Sciences, Sun Yat-sen University Guangzhou 510006 China
| | - Tianyuan Zhang
- School of Pharmaceutical Sciences, Sun Yat-sen University Guangzhou 510006 China
| | - Sifan Yu
- School of Pharmaceutical Sciences, Sun Yat-sen University Guangzhou 510006 China
| | - Huang Qiu
- School of Pharmaceutical Sciences, Sun Yat-sen University Guangzhou 510006 China
| | - Abdulla Yusuf
- College of Chemistry and Environmental Science, Laboratory of Xinjiang Native Medicinal and Edible Plant Resources Chemistry, Kashi University Kashi 844000 China
| | - Xinfang Xu
- School of Pharmaceutical Sciences, Sun Yat-sen University Guangzhou 510006 China
| | - Yu Qian
- School of Pharmaceutical Sciences, Sun Yat-sen University Guangzhou 510006 China
| | - Wenhao Hu
- School of Pharmaceutical Sciences, Sun Yat-sen University Guangzhou 510006 China
| |
Collapse
|
3
|
Nasirmahale LN, Shirini F, Bayat Y, Mazloumi M. Solvent-free synthesis of imidazo[1,2-a]pyrimidine-3-carbonitriles and 1,2,4-triazolo[4,3-a]pyrimidines under the catalytic performance of TiO2-[bip]-NH2+ C(NO2)3− as a novel nanocatalyst. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134210] [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]
|
4
|
Yarahmadi H, Ghashang M, Yazdani-Samani L, Lashkari M. CAN Combined with NaI as Promoter System for the Synthesis of Novel Ethyl 1,2-Diarylpyrrolidine-3-carboxylate Derivatives via Three-Component Reaction. ORG PREP PROCED INT 2022. [DOI: 10.1080/00304948.2022.2099198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Hossein Yarahmadi
- Department of Chemical Engineering, Sirjan University of Technology, Sirjan, Iran
| | - Majid Ghashang
- Department of Chemistry, Najafabad Branch, Islamic Azad University, Najafabad, Iran
| | - Leila Yazdani-Samani
- Department of Chemistry, Najafabad Branch, Islamic Azad University, Najafabad, Iran
| | | |
Collapse
|