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Markwitz M, Labrzycki K, Azcune L, Landa A, Kuciński K. Access to thioethers from thiols and alcohols via homogeneous and heterogeneous catalysis. Sci Rep 2023; 13:20624. [PMID: 37996490 PMCID: PMC10667213 DOI: 10.1038/s41598-023-47938-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 11/19/2023] [Indexed: 11/25/2023] Open
Abstract
A metal-free dehydrative thioetherification method has been reported, enabling the conversion of various alcohols and thiols into thioethers. By employing triflic acid as a catalyst or utilizing a recyclable NAFION® superacid catalyst, these methods significantly improve the efficiency and practicality of sulfide preparation.
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Affiliation(s)
- Martyna Markwitz
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznanskiego St. 8, 61-614, Poznan, Poland
| | - Klaudiusz Labrzycki
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznanskiego St. 8, 61-614, Poznan, Poland
| | - Laura Azcune
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizábal 3, 20018, San Sebastián, Spain
| | - Aitor Landa
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizábal 3, 20018, San Sebastián, Spain
| | - Krzysztof Kuciński
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznanskiego St. 8, 61-614, Poznan, Poland.
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2
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Chai TJ, Chiou XS, Lin NX, Kuo YT, Lin CK. In situ generation of acyloxyphosphoniums for mild and efficient synthesis of thioesters. Org Biomol Chem 2023; 21:7541-7545. [PMID: 37676265 DOI: 10.1039/d3ob01318a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
We present a novel approach for in situ generation of acyloxyphosphoniums by premixing iodobenzene dicarboxylates and triphenylphosphine, resulting in efficient thioester synthesis (up to 100% yield). Stable solid iodobenzene dicarboxylates, achieved via carboxylate exchange, serve as hypervalent iodine precursors. The resulting acyloxyphosphoniums allow convenient one-pot thioester synthesis under mild conditions. Our method demonstrates facile acyloxyphosphonium production from iodobenzene dicarboxylates and Ph3P, enabling diverse thioester preparation. ESI-MS analysis confirms acyloxyphosphonium ion formation, pivotal in acylation. This strategy holds potential for combinatorial thioester synthesis and broader nucleophile modification applications.
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Affiliation(s)
- Te-Jung Chai
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
| | - Xin-Shun Chiou
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
| | - Nian-Xuan Lin
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
| | - Yu-Tsen Kuo
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
| | - Cheng-Kun Lin
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
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3
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Rigo D, Masters AF, Maschmeyer T, Selva M, Fiorani G. Isopropenyl Esters (iPEs) in Green Organic Synthesis. Chemistry 2022; 28:e202200431. [DOI: 10.1002/chem.202200431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Davide Rigo
- Department of Molecular Sciences and Nanosystems Ca' Foscari University of Venice Via Torino 155 30172 Venezia (VE) Italy
| | - Anthony F. Masters
- Laboratory of Advanced Catalysis for Sustainability School of Chemistry University of Sydney Sydney NSW 2006 Australia
| | - Thomas Maschmeyer
- Laboratory of Advanced Catalysis for Sustainability School of Chemistry University of Sydney Sydney NSW 2006 Australia
| | - Maurizio Selva
- Department of Molecular Sciences and Nanosystems Ca' Foscari University of Venice Via Torino 155 30172 Venezia (VE) Italy
| | - Giulia Fiorani
- Department of Molecular Sciences and Nanosystems Ca' Foscari University of Venice Via Torino 155 30172 Venezia (VE) Italy
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Aranzazu SL, Tigreros A, Arias-Gómez A, Zapata-Rivera J, Portilla J. BF 3-Mediated Acetylation of Pyrazolo[1,5- a]pyrimidines and Other π-Excedent ( N-Hetero)arenes. J Org Chem 2022; 87:9839-9850. [PMID: 35834668 DOI: 10.1021/acs.joc.2c00881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An operably simple microwave-assisted BF3-mediated acetylation reaction of pyrazolo[1,5-a]pyrimidines and a plausible mechanism based on density functional theory (DFT) theoretical calculations for this transformation are reported. Remarkably, and to the best of our knowledge, this is the first example of the direct acetylation for the functional pyrazolo[1,5-a]pyrimidine (PP) core. The synthesis of this essential building block is reported in high yields using mild reaction conditions, inexpensive reagents, and even substrates with electron-deficient or highly hindered groups. In addition, one of the new methyl ketones was successfully used as a substrate for producing novel and valuable bis-electrophilic compounds with yields of up to 90%. Notably, the discovered acetylation method was successfully applied in other π-excedent (N-hetero)aromatic substrates.
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Valentini F, Galloni P, Brancadoro D, Conte V, Sabuzi F. A Stoichiometric Solvent-Free Protocol for Acetylation Reactions. Front Chem 2022; 10:842190. [PMID: 35355791 PMCID: PMC8959667 DOI: 10.3389/fchem.2022.842190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 02/08/2022] [Indexed: 11/13/2022] Open
Abstract
Considering the remarkable relevance of acetylated derivatives of phenols, alcohols, and aryl and alkyl thiols in different areas of biology, as well as in synthetic organic chemistry, a sustainable solvent-free approach to perform acetylation reactions is proposed here. Acetylation reactions are classically performed using excess of acetic anhydride (Ac2O) in solvent-free conditions or by eventually working with stoichiometric amounts of Ac2O in organic solvents; both methods require the addition of basic or acid catalysts to promote the esterification. Therefore, they usually lead to the generation of high amounts of wastes, which sensibly raise the E-factor of the process. With the aim to develop a more sustainable system, a solvent-free, stoichiometric acetylation protocol is, thus, proposed. The naturally occurring phenol, thymol, can be converted to the corresponding-biologically active-ester with good yields, in the presence of 1% of VOSO4. Interestingly, the process can be efficiently adopted to synthesize other thymyl esters, as well as to perform acetylation of alcohols and aryl and alkyl thiols. Remarkably, a further improvement has been achieved replacing Ac2O with its greener alternative, isopropenyl acetate (IPA).
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Affiliation(s)
- Francesca Valentini
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Rome, Italy
| | - Pierluca Galloni
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Rome, Italy
- BT-InnoVaChem Srl, Rome, Italy
| | | | - Valeria Conte
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Rome, Italy
| | - Federica Sabuzi
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Rome, Italy
- BT-InnoVaChem Srl, Rome, Italy
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6
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Tandon N, Patil SM, Tandon R, Kumar P. Magnetically recyclable silica-coated ferrite magnetite-K 10 montmorillonite nanocatalyst and its applications in O, N, and S-acylation reaction under solvent-free conditions. RSC Adv 2021; 11:21291-21300. [PMID: 35478786 PMCID: PMC9034005 DOI: 10.1039/d1ra02222a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 05/27/2021] [Indexed: 11/21/2022] Open
Abstract
Novel silica-coated ferrite nanoparticles supported with montmorillonite (K10) have been prepared successfully by using a simple impregnation method. Further, these nanoparticles were characterized by using different analytical methods like FT-IR, PXRD, EDS, and FE-SEM techniques. In addition, these nanoparticles have been explored for their catalytic activity for the O, N, and S-acylation reactions under solvent-free conditions which gave moderate to excellent yields in a much shorter reaction time. Moreover, these nanoparticles could easily be separated out from the reaction medium after the reaction completion by using an external magnetic field and have been re-used for 10 cycles without any significant loss of the catalytic activity.
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Affiliation(s)
- Nitin Tandon
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University Phagwara-144411 India
| | - Shripad M Patil
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University Phagwara-144411 India
| | - Runjhun Tandon
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University Phagwara-144411 India
| | - Pushpendra Kumar
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University Phagwara-144411 India
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Zhong Y, Xu X, Xing Q, Yang S, Gou J, Gao Z, Yu B. Furfuryl Cation Induced Three-Component Reaction to Synthesize Triazole-Substituted Thioesters. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000299] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ying Zhong
- Key Laboratory of Applied Surface and Colloid Chemistry; Ministry of Education, School of Chemistry & Chemical Engineering; Shaanxi Normal University; 710062 Xi'an China
| | - Xiaoming Xu
- Key Laboratory of Applied Surface and Colloid Chemistry; Ministry of Education, School of Chemistry & Chemical Engineering; Shaanxi Normal University; 710062 Xi'an China
| | - Qingzhao Xing
- Key Laboratory of Applied Surface and Colloid Chemistry; Ministry of Education, School of Chemistry & Chemical Engineering; Shaanxi Normal University; 710062 Xi'an China
| | - Song Yang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology; Changzhou University; 213164 Changzhou China
| | - Jing Gou
- Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Normal University; 710062 Xi'an China
| | - Ziwei Gao
- Key Laboratory of Applied Surface and Colloid Chemistry; Ministry of Education, School of Chemistry & Chemical Engineering; Shaanxi Normal University; 710062 Xi'an China
| | - Binxun Yu
- Key Laboratory of Applied Surface and Colloid Chemistry; Ministry of Education, School of Chemistry & Chemical Engineering; Shaanxi Normal University; 710062 Xi'an China
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Jain I, Sharma R, Malik P. Manganese-mediated acetylation of alcohols, phenols, thiols, and amines utilizing acetic anhydride. SYNTHETIC COMMUN 2019. [DOI: 10.1080/00397911.2019.1650282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Isha Jain
- Department of Chemistry, Sant Longowal Institute of Engineering and Technology, Longowal, India
| | - Ramandeep Sharma
- Department of Chemistry, Sant Longowal Institute of Engineering and Technology, Longowal, India
| | - Payal Malik
- Department of Chemistry, Sant Longowal Institute of Engineering and Technology, Longowal, India
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Levin VV, Dilman AD. Visible-Light-Mediated Organocatalyzed Thiol-Ene Reaction Initiated by a Proton-Coupled Electron Transfer. J Org Chem 2019; 84:8337-8343. [PMID: 31129962 DOI: 10.1021/acs.joc.9b01331] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A convenient method for performing a thiol-ene reaction is described. The reaction is performed under blue-light irradiation and catalyzed by photoactive Lewis basic molecules such as acridine orange or naphthalene-fused N-acylbenzimidazole. It is believed that the process is initiated by a proton-coupled electron transfer process within the complex between the thiol and the Lewis basic catalyst.
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Affiliation(s)
- Vitalij V Levin
- N. D. Zelinsky Institute of Organic Chemistry , Leninsky Prospect 47 , Moscow 119991 , Russian Federation
| | - Alexander D Dilman
- N. D. Zelinsky Institute of Organic Chemistry , Leninsky Prospect 47 , Moscow 119991 , Russian Federation
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10
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Kaźmierczak J, Hreczycho G. Copper(ii) triflate-mediated synthesis of functionalized silsesquioxanes via dehydrogenative coupling of POSS silanols with hydrosilanes. Dalton Trans 2019; 48:6341-6346. [PMID: 30985836 DOI: 10.1039/c9dt01135h] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
In light of the fact that the design of new catalytic routes leading to functionalized silsesquioxanes is currently of high relevance; herein we report a novel, highly effective and convenient catalytic approach for the modification of silsesquioxanes. We present a dehydrogenative coupling reaction of completely as well as incompletely condensed POSS silanols with a wide range of commercially available hydrosilanes mediated by inexpensive copper(ii) trifluoromethanesulfonate. This research also includes mechanistic studies for this process.
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Affiliation(s)
- Joanna Kaźmierczak
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, Umultowska 89b, 61-614 Poznań, Poland.
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Suta K, Turks M. In(III) and Hf(IV) Triflate-Catalyzed Hydration and Catalyst-free Hydrohalogenation of Aryl Acetylenes in Liquid Sulfur Dioxide. ACS OMEGA 2018; 3:18065-18077. [PMID: 31458393 PMCID: PMC6643593 DOI: 10.1021/acsomega.8b01630] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Accepted: 12/04/2018] [Indexed: 05/06/2023]
Abstract
The use of liquid sulfur dioxide as a reaction solvent to promote chemical transformations of alkynes has been explored. First, a combination of liquid SO2 and In(OTf)3 or Hf(OTf)4 as a catalyst allows to perform hydration of aryl alkynes under mild conditions without a direct addition of Brønsted acid. Second, novel catalyst-free conditions for the synthesis of α-vinyl iodides, bromides, and chlorides from aryl alkynes have been developed in liquid SO2 using group I and II metal halides and ammonium iodide as the halide ion sources.
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Affiliation(s)
- Krista Suta
- Institute of Technology of
Organic Chemistry, Faculty of Materials Science and Applied Chemistry, Riga Technical University, P. Valdena Street 3, LV-1048 Riga, Latvia
| | - Ma̅ris Turks
- Institute of Technology of
Organic Chemistry, Faculty of Materials Science and Applied Chemistry, Riga Technical University, P. Valdena Street 3, LV-1048 Riga, Latvia
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13
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Kaźmierczak J, Hreczycho G. Nafion as effective and selective heterogeneous catalytic system in O-metalation of silanols and POSS silanols. J Catal 2018. [DOI: 10.1016/j.jcat.2018.08.024] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Abstract
Inspired by the uniqueness and ubiquity of thioesters in nature, much attention has been paid to thioester functionalized materials, yielding applications ranging from responsive polymers to bioconjugates and (bio)degradable polymers.
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Affiliation(s)
- Suzan Aksakal
- Polymer Chemistry Laboratories
- School of Engineering and Materials Science
- Queen Mary University of London
- London
- UK
| | - Resat Aksakal
- Polymer Chemistry Laboratories
- School of Engineering and Materials Science
- Queen Mary University of London
- London
- UK
| | - C. Remzi Becer
- Polymer Chemistry Laboratories
- School of Engineering and Materials Science
- Queen Mary University of London
- London
- UK
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