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Zhang Z, Yamada YMA. Recent Advancements in Continuous-Flow Suzuki-Miyaura Coupling Utilizing Immobilized Molecular Palladium Complexes. Chemistry 2024; 30:e202304335. [PMID: 38418426 DOI: 10.1002/chem.202304335] [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: 12/27/2023] [Revised: 02/25/2024] [Accepted: 02/26/2024] [Indexed: 03/01/2024]
Abstract
Immobilized Pd-catalyzed Suzuki-Miyaura coupling under continuous-flow conditions using a packed-bed reactor, representing an efficient, automated, practical, and safe technology compared to conventional batch-type reactions. The core objective of this study is the development of an active and durable catalyst. In contrast to supported Pd nanoparticles, the attachment of Pd complexes onto solid supports through well-defined coordination sites is considered a favorable approach for preparing highly dispersed and stabilized Pd species. These species can be directly employed in various flow reactions without the need for pre-treatment. This concept paper explores recent achievements involving the application of immobilized Pd complexes as precatalysts for continuous-flow Suzuki-Miyaura coupling. Our focus is to elucidate the significance of the designed catalyst structures in relation to their catalytic performance under flow conditions. Additionally, we highlight various reaction systems and catalyst packing methods, emphasizing their crucial roles in establishing a practical synthesis process.
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Affiliation(s)
- Zhenzhong Zhang
- RIKEN Center for Sustainable Resource Science Hirosawa, Wako, Saitama, 351-0198, Japan
| | - Yoichi M A Yamada
- RIKEN Center for Sustainable Resource Science Hirosawa, Wako, Saitama, 351-0198, Japan
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Pandey V, Adhikrao PA, Motiram GM, Yadav N, Jagtap U, Kumar G, Paul A. Biaryl carboxamide-based peptidomimetics analogs as potential pancreatic lipase inhibitors for treating obesity. Arch Pharm (Weinheim) 2024; 357:e2300503. [PMID: 38251950 DOI: 10.1002/ardp.202300503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 12/30/2023] [Accepted: 01/02/2024] [Indexed: 01/23/2024]
Abstract
A series of 1,1'-biphenyl-3-carboxamide and furan-phenyl-carboxamide analogs were synthesized using an optimized scheme and confirmed by 1H and 13C nuclear magnetic resonance and high-resolution mass spectrometry techniques. The synthesized peptidomimetics analogs were screened in vitro to understand the inhibitory potential of pancreatic lipase (PL). Analogs were assessed for the PL inhibitory activity based on interactions, geometric complementarity, and docking score. Among the synthesized analogs, 9, 29, and 24 were found to have the most potent PL inhibitory activity with IC50 values of 3.87, 4.95, and 5.34 µM, respectively, compared to that of the standard drug, that is, orlistat, which inhibits PL with an IC50 value of 0.99 µM. The most potent analog, 9, exhibited a competitive-type inhibition with an inhibition constant (Ki) of 2.72 µM. In silico molecular docking of analog 9 with the PL (PDB ID:1LPB) showed a docking score of -11.00 kcal/mol. Analog 9 formed crucial hydrogen bond interaction with Ser152, His263, π-cation interaction with Asp79, Arg256, and π-π stacking with Phe77, Tyr114 at the protein's active site. The molecular dynamic simulation confirmed that analog 9 forms stable interactions with PL at the end of 200 ns with root mean square deviation values of 2.5 and 6 Å. No toxicity was observed for analog 9 (concentration range of 1-20 µM) when tested by MTT assay in RAW 264.7 cells.
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Affiliation(s)
- Vikash Pandey
- Department of Natural Products, Chemical Sciences, National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana, India
| | - Patil A Adhikrao
- Department of Natural Products, Chemical Sciences, National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana, India
| | - Gudle M Motiram
- Department of Natural Products, Chemical Sciences, National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana, India
| | - Nisha Yadav
- Laboratory of Natural Product Chemistry, Department of Pharmacy, Birla Institute of Technology and Science, Pilani (Pilani Campus), Pilani, Rajasthan, India
| | - Utkarsh Jagtap
- Laboratory of Natural Product Chemistry, Department of Pharmacy, Birla Institute of Technology and Science, Pilani (Pilani Campus), Pilani, Rajasthan, India
| | - Gautam Kumar
- Department of Natural Products, Chemical Sciences, National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana, India
| | - Atish Paul
- Laboratory of Natural Product Chemistry, Department of Pharmacy, Birla Institute of Technology and Science, Pilani (Pilani Campus), Pilani, Rajasthan, India
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Căta L, Terenti N, Cociug C, Hădade ND, Grosu I, Bucur C, Cojocaru B, Parvulescu VI, Mazur M, Čejka J. Sonogashira Synthesis of New Porous Aromatic Framework-Entrapped Palladium Nanoparticles as Heterogeneous Catalysts for Suzuki-Miyaura Cross-Coupling. ACS APPLIED MATERIALS & INTERFACES 2022; 14:10428-10437. [PMID: 35171567 DOI: 10.1021/acsami.1c24429] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Palladium nanoparticles entrapped in porous aromatic frameworks (PAFs) or covalent organic frameworks may promote heterogeneous catalytic reactions. However, preparing such materials as active nanocatalysts usually requires additional steps for palladium entrapment and reduction. This paper reports as a new approach, a simple procedure leading to the self-entrapment of Pd nanoparticles within the PAF structure. Thus, the selected Sonogashira synthesis affords PAF-entrapped Pd nanoparticles that can catalyze the C-C Suzuki-Miyaura cross-coupling reactions. Following this new concept, PAFs were synthesized via Sonogashira cross-coupling of the tetraiodurated derivative of tetraphenyladamantane or spiro-9,9'-bifluorene with 1,6-diethynylpyrene, then characterized them using powder X-ray diffraction, diffuse reflectance infrared Fourier transform spectroscopy, X-ray photoelectron spectroscopy, high-resolution scanning transmission electron microscopy, and textural properties (i.e., adsorption-desorption isotherms). The PAF-entrapped Pd nanocatalysts showed high catalytic activity in Suzuki-Miyaura coupling reactions (demonstrated by preserving the turnover frequency values) and stability (demonstrated by palladium leaching and recycling experiments). This new approach presents a new class of PAFs with unique structural, topological, and compositional complexities as entrapped metal nanocatalysts or for other diverse applications.
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Affiliation(s)
- Lidia Căta
- Faculty of Chemistry and Chemical Engineering, Department of Chemistry and SOOMCC, Babes-Bolyai University, 11, Arany Janos str., Cluj-Napoca, 400028 Cluj, Romania
| | - Natalia Terenti
- Faculty of Chemistry and Chemical Engineering, Department of Chemistry and SOOMCC, Babes-Bolyai University, 11, Arany Janos str., Cluj-Napoca, 400028 Cluj, Romania
| | - Cristina Cociug
- Faculty of Chemistry and Chemical Engineering, Department of Chemistry and SOOMCC, Babes-Bolyai University, 11, Arany Janos str., Cluj-Napoca, 400028 Cluj, Romania
| | - Niculina Daniela Hădade
- Faculty of Chemistry and Chemical Engineering, Department of Chemistry and SOOMCC, Babes-Bolyai University, 11, Arany Janos str., Cluj-Napoca, 400028 Cluj, Romania
| | - Ion Grosu
- Faculty of Chemistry and Chemical Engineering, Department of Chemistry and SOOMCC, Babes-Bolyai University, 11, Arany Janos str., Cluj-Napoca, 400028 Cluj, Romania
| | - Cristina Bucur
- National Institute of Materials Physics, 405 Atomiştilor Str., Măgurele 077125, Ilfov, Romania
| | - Bogdan Cojocaru
- Department of Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, Regina Elisabeta Blvd., no. 4-12, Bucharest 030016, Romania
| | - Vasile I Parvulescu
- Department of Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, Regina Elisabeta Blvd., no. 4-12, Bucharest 030016, Romania
| | - Michal Mazur
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, Prague 128 43, Czech Republic
| | - Jiří Čejka
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, Prague 128 43, Czech Republic
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Jebamani J, Pranesh S, Shivalingappa J, Narayanarao M, Pasha M. Synthesis and biological activities of novel pyrrolo[1,2-d][1,2,4]triazin-1(2H)-one derivatives. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2020.1859117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Jesurajan Jebamani
- Department of Chemistry, Don Bosco Institute of Technology, Visvesvaraya Technological University, Bangalore, Karnataka, India
| | - Shubha Pranesh
- Department of Chemistry, Don Bosco Institute of Technology, Visvesvaraya Technological University, Bangalore, Karnataka, India
| | | | - Manjunatha Narayanarao
- East Point College of Engineering and Technology, Visvesvaraya Technological University, Bangalore, India
| | - Mussuvir Pasha
- Department of Studies and Research in Chemistry, Vijayanagara Sri Krishnadevaraya University, Bellary, India
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Sawatlon B, Wodrich MD, Corminboeuf C. Probing Substrate Scope with Molecular Volcanoes. Org Lett 2020; 22:7936-7941. [DOI: 10.1021/acs.orglett.0c02862] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Boodsarin Sawatlon
- Laboratory for Computational Molecular Design, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Matthew D. Wodrich
- Laboratory for Computational Molecular Design, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Clémence Corminboeuf
- Laboratory for Computational Molecular Design, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
- National Centre for Computational Design and Discovery of Novel Materials (MARVEL), Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
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Conversion of triphenylphosphine oxide to organophosphorus via selective cleavage of C-P, O-P, and C-H bonds with sodium. Commun Chem 2020; 3:1. [PMID: 36703346 PMCID: PMC9812262 DOI: 10.1038/s42004-019-0249-6] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Accepted: 11/07/2019] [Indexed: 01/29/2023] Open
Abstract
For over half a century, thousands of tons of triphenylphosphine oxide Ph3P(O) have been produced every year from the chemical industries as a useless chemical waste. Here we disclose efficient transformations of Ph3P(O) with cheap resource-abundant metallic sodium finely dispersed in paraffin oil. Ph3P(O) can be easily and selectively transformed to three reactive organophosphorus intermediates-sodium diphenylphosphinite, sodium 5H-benzo[b]phosphindol-5-olate and sodium benzo[b]phosphindol-5-ide-that efficiently give the corresponding functional organophosphorus compounds in good yields. These functional organophosphorus compounds are difficult to prepare but highly industrially useful compounds. This may allow Ph3P(O) to be used as a precious starting material for highly valuable phosphorus compounds.
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