1
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Sturm JS, Millanvois A, Bahri C, Golz P, Limberg N, Wiesner A, Riedel S. Streamlining Thionyl Tetrafluoride (SOF 4) and Pentafluoro-Oxosulfate [OSF 5] - Anions Syntheses. Chemistry 2024:e202403365. [PMID: 39352264 DOI: 10.1002/chem.202403365] [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: 09/09/2024] [Indexed: 11/13/2024]
Abstract
A one pot room temperature synthesis of thionyl tetrafluoride (SOF4) from elemental fluorine (F2) and thionyl fluoride (SOF2) is reported. The selective decagram scale process (100 mmol) allows a quantitative preparation of SOF4 with high purity. The solid-state structure has also been elucidated and compared with the reported gas phase one. The use of this reagent for the formation of the emerging pentafluorooxosulfate [cat][OSF5] anions led to the preparation of multiple ion-pairs (cat=Ag, NEt3Me, PPN, PPh4) in different organic solvents. The SuFEx reservoir ability of this anion was studied and by tuning the solvent system, the reactivity of pure thionyl tetrafluoride was observed using Ag[OSF5] in THF and acetone.
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Affiliation(s)
- Johanna S Sturm
- Fachbereich Biologie, Chemie, Pharmazie Institut für Chemie und Biochemie -, Anorganische Chemie Freie Universität Berlin, Fabeckstr. 34/36, 14195, Berlin, Germany
| | - Alexandre Millanvois
- Fachbereich Biologie, Chemie, Pharmazie Institut für Chemie und Biochemie -, Anorganische Chemie Freie Universität Berlin, Fabeckstr. 34/36, 14195, Berlin, Germany
| | - Carlota Bahri
- Fachbereich Biologie, Chemie, Pharmazie Institut für Chemie und Biochemie -, Anorganische Chemie Freie Universität Berlin, Fabeckstr. 34/36, 14195, Berlin, Germany
| | - Paul Golz
- Fachbereich Biologie, Chemie, Pharmazie Institut für Chemie und Biochemie -, Anorganische Chemie Freie Universität Berlin, Fabeckstr. 34/36, 14195, Berlin, Germany
| | - Niklas Limberg
- Fachbereich Biologie, Chemie, Pharmazie Institut für Chemie und Biochemie -, Anorganische Chemie Freie Universität Berlin, Fabeckstr. 34/36, 14195, Berlin, Germany
| | - Anja Wiesner
- Fachbereich Biologie, Chemie, Pharmazie Institut für Chemie und Biochemie -, Anorganische Chemie Freie Universität Berlin, Fabeckstr. 34/36, 14195, Berlin, Germany
| | - Sebastian Riedel
- Fachbereich Biologie, Chemie, Pharmazie Institut für Chemie und Biochemie -, Anorganische Chemie Freie Universität Berlin, Fabeckstr. 34/36, 14195, Berlin, Germany
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2
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Ding M, Bell C, Willis MC. The Modular Synthesis of Sulfondiimidoyl Fluorides and their Application to Sulfondiimidamide and Sulfondiimine Synthesis. Angew Chem Int Ed Engl 2024; 63:e202409240. [PMID: 38923337 DOI: 10.1002/anie.202409240] [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: 05/15/2024] [Revised: 06/20/2024] [Accepted: 06/24/2024] [Indexed: 06/28/2024]
Abstract
A modular synthesis of sulfondiimidoyl fluorides-the double aza-analogues of sulfonyl fluorides-allowing variation of the carbon and both nitrogen-substituents is reported. The chemistry uses readily available organometallic reagents, commercial sulfinylamines, simple electrophiles, and N-fluorobenzenesulfonimide (NFSI), as the starting materials. The reactions are broad in scope, efficient, and scalable. We show that the sulfondiimidoyl fluoride products can be combined with amines to provide sulfondiimidamides, and with organolithium reagents to provide sulfondiimines, and that reactivity in these transformations can be modulated by variation of the N-substituents.
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Affiliation(s)
- Mingyan Ding
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Mansfield Road, Oxford, OX1 3TA, UK
| | - Charles Bell
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Mansfield Road, Oxford, OX1 3TA, UK
| | - Michael C Willis
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Mansfield Road, Oxford, OX1 3TA, UK
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3
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Wang F, Xiang W, Xie Y, Huai L, Zhang L, Zhang X. Synthesis of chiral sulfilimines by organocatalytic enantioselective sulfur alkylation of sulfenamides. SCIENCE ADVANCES 2024; 10:eadq2768. [PMID: 39270024 PMCID: PMC11397483 DOI: 10.1126/sciadv.adq2768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Accepted: 08/09/2024] [Indexed: 09/15/2024]
Abstract
Sulfilimines are versatile synthetic intermediates and important moieties in bioactive molecules. However, their applications in drug discovery are underexplored, and efficient asymmetric synthetic methods are highly desirable. Here, we report a transition metal-free pentanidium-catalyzed sulfur alkylation of sulfenamides with exclusive chemoselectivity over nitrogen and high enantioselectivity. The reaction conditions were mild, and a wide range of enantioenriched aryl and alkyl sulfilimines were obtained. The synthetic utility and practicability of this robust protocol were further demonstrated through gram-scale reactions and late-stage functionalization of drugs.
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Affiliation(s)
- Fucheng Wang
- West China School of Public Health and West China Fourth Hospital, and State Key Laboratory of Biotherapy, Sichuan University, Chengdu 610041, China
| | - Wanxing Xiang
- West China School of Public Health and West China Fourth Hospital, and State Key Laboratory of Biotherapy, Sichuan University, Chengdu 610041, China
| | - Yiting Xie
- West China School of Public Health and West China Fourth Hospital, and State Key Laboratory of Biotherapy, Sichuan University, Chengdu 610041, China
| | - Linge Huai
- West China School of Public Health and West China Fourth Hospital, and State Key Laboratory of Biotherapy, Sichuan University, Chengdu 610041, China
| | - Luoqiang Zhang
- West China School of Public Health and West China Fourth Hospital, and State Key Laboratory of Biotherapy, Sichuan University, Chengdu 610041, China
| | - Xin Zhang
- West China School of Public Health and West China Fourth Hospital, and State Key Laboratory of Biotherapy, Sichuan University, Chengdu 610041, China
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4
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Li B, Hu J, Liao M, Xiong Q, Zhang Y, Chi YR, Zhang X, Wu X. Catalyst Control over S(IV)-stereogenicity via Carbene-derived Sulfinyl Azolium Intermediates. J Am Chem Soc 2024; 146:25350-25360. [PMID: 39219070 DOI: 10.1021/jacs.4c10486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Stereoselective synthesis utilizing small-molecule catalysts, particularly N-heterocyclic carbene (NHC), has facilitated swift access to enantioenriched molecules through diverse activation modes and NHC-bound reactive intermediates. While carbonyl derivatives, imines, and "activated" alkenes have been extensively investigated, the exploration of heteroatom-centered analogues of NHC-bound intermediates has long been neglected, despite the significant potential for novel chemical transformations they offer once recognized. Herein, we disclose a carbene-catalyzed new activation mode by generating unique sulfinyl azolium intermediates from carbene nucleophilic addition to in situ-generated mixed sulfinic anhydride intermediates. Combined experimental and computational mechanistic investigations pinpoint the chiral NHC-catalyzed formation of sulfinyl azolium intermediate as the enantio-determining step. The novel "S"-based carbene reactive intermediate imparts high efficiency for the catalytic construction of sulfur-stereogenic compounds, giving rise to sulfinate esters with high yields and enantioselectivities under mild conditions. Notably, distinct from most of the NHC-catalyzed enantioselective transformations focusing on the "C" central chiral products, our study realizes a unique carbene-catalyst control over chiral "S" stereocenters via direct asymmetric S-O bond formation for the first time. Furthermore, these sulfinyl-containing products could serve as versatile synthetic platforms for enantioenriched S-stereogenic functional molecules and exhibit remarkable antibacterial activities against rice plant pathogens, which is valuable for the development of novel agrochemical agents.
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Affiliation(s)
- Benpeng Li
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
- School of Life and Health Science, Kaili University, Kaili 556011, China
| | - Junyuan Hu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Minghong Liao
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Qin Xiong
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Yaqi Zhang
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Yonggui Robin Chi
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
- School of Chemistry, Chemical Engineering, and Biotechnology, Nanyang Technological University, Singapore 637371, Singapore
| | - Xinglong Zhang
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
- Institute of High Performance Computing, Agency for Science, Technology and Research (A*STAR), 1 Fusionopolis Way, #16-16, Connexis, Singapore 138632, Singapore
| | - Xingxing Wu
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
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5
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Lional N, Miloserdov FM, Zuilhof H. 2-Methylimidazole-1-(N-tert-octyl)sulfonimidoyl Fluoride: A Bench-Stable Alternative to SOF 4 as Precursor to N,O-Substituted S(VI) Compounds. Angew Chem Int Ed Engl 2024; 63:e202406915. [PMID: 38856007 DOI: 10.1002/anie.202406915] [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: 04/11/2024] [Revised: 06/03/2024] [Accepted: 06/09/2024] [Indexed: 06/11/2024]
Abstract
S(VI) compounds with multiple N or O substituents are often difficult to make and several crucial routes, such as multimodal SuFEx (Sulfur (VI) Fluoride Exchange) chemistry, rely on the highly useful but hazardous SOF4 gas. Safety issues and inaccessibility of SOF4 strongly hamper the developments of these organic compounds. Here we describe the synthesis and applications of 2-methylimidazole-1-(N-tert-octyl)sulfonimidoyl fluoride (ImSF), a novel bench-stable analogue of SOF4. ImSF is synthesized on a gram scale via a double fluorination of t-OctNSO. We show ImSF can undergo substitution reactions with phenols and amines, which lead to sulfurimidates and sulfuramidimidates, respectively, the intrinsically chiral analogous of medicinally relevant sulfates and sulfamates in which an S=O moiety is replaced by S=NR unit. Finally we demonstrate that such substitutions can occur enantiospecifically, providing the first entry to chiral sulfurimidates and sulfuramidimidates.
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Affiliation(s)
- Natassa Lional
- Laboratory of Organic Chemistry, Wageningen University, Stippeneng 4, Wageningen, 6708 WE, The Netherlands
| | - Fedor M Miloserdov
- Laboratory of Organic Chemistry, Wageningen University, Stippeneng 4, Wageningen, 6708 WE, The Netherlands
| | - Han Zuilhof
- Laboratory of Organic Chemistry, Wageningen University, Stippeneng 4, Wageningen, 6708 WE, The Netherlands
- School of Pharmaceutical Science & Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, 300072, China
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6
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Bao W, Wang XJ, Wang SH, Chen SW, Liu HH, Xiang SH, Tan B. Design of Stable Chiral Aminosulfonium Ylides and Their Catalytic Asymmetric Synthesis. Angew Chem Int Ed Engl 2024:e202412508. [PMID: 39213133 DOI: 10.1002/anie.202412508] [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: 07/03/2024] [Revised: 08/28/2024] [Accepted: 08/30/2024] [Indexed: 09/04/2024]
Abstract
The isolation and catalytic enantioselective synthesis of configurationally stable S-stereogenic sulfonium ylides have been significant challenges in the field of asymmetric synthesis. These reactive intermediates are crucial for a variety of synthetic transformations, yet their inherent tendency towards rapid inversion at the sulfur stereocenter has hindered their practical utilization. Conventional approaches have focused on strategies that incorporate a C=S bond-containing cyclic framework to help mitigate this stereochemical lability. In this work, we present an alternative tactic that leverages the stabilizing influence of an adjacent N-atom and cyclic sulfide moiety. Exploiting a copper catalyzed enantioselective intermolecular carbene transfer reaction, structurally diverse S-stereogenic aminosulfonium ylides have been achieved in excellent yields and enantioselectivities. Experimental results indicate that the careful selection of 2-diazo-1,3-diketone precursors is crucial for achieving optimal stereoinduction in this transformation. The resulting highly enantioenriched aminosulfonium ylides allow for further stereospecific elaborations to furnish aminosulfonium ylide oxides and sulfinamide. This work expands the boundaries of chiral sulfonium ylide chemistry, providing access to a broad range of previously elusive S-stereogenic aminosulfonium ylide scaffolds.
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Affiliation(s)
- Wen Bao
- School of Basic Medical Sciences & School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xu-Jie Wang
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Shao-Hua Wang
- School of Basic Medical Sciences & School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Shi-Wu Chen
- School of Basic Medical Sciences & School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Huan-Huan Liu
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Shao-Hua Xiang
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Bin Tan
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China
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7
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Xi L, Fang X, Wang M, Shi Z. Asymmetric 2,3-Addition of Sulfinylamines with Arylboronic Acids Enabled by Nickel Catalysis. J Am Chem Soc 2024; 146:17587-17594. [PMID: 38913452 DOI: 10.1021/jacs.4c04050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
Sulfinamides have been widely used in organic synthesis, with research on their preparation spanning more than a century. Despite advancements in catalytic methodologies, creating sulfur stereocenters within these molecules remains a significant challenge. In this study, we present an effective and versatile method for synthesizing a diverse range of S-chirogenic sulfinamides through catalytic asymmetric aryl addition to sulfinylamines. By utilizing a nickel complex as a catalyst, this process exhibits impressive enantioselectivity and can incorporate various arylboronic acids at the sulfur position. The resulting synthetic sulfinamides are stable and highly adaptable, allowing for their conversion to a variety of sulfur-containing compounds. Our study also incorporates detailed experimental and computational studies to elucidate the reaction mechanism and factors influencing enantioselectivity.
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Affiliation(s)
- Longlong Xi
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Xiaowu Fang
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Minyan Wang
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Zhuangzhi Shi
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
- School of Chemistry and Materials Science, Nanjing Normal University, 210023 Nanjing, China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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8
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Chappell WP, Schur N, Vogel JA, Sammis GM, Melvin PR, Ball ND. Poison to Promise: The Resurgence of Organophosphorus Fluoride Chemistry. Chem 2024; 10:1644-1654. [PMID: 38947532 PMCID: PMC11212144 DOI: 10.1016/j.chempr.2024.04.008] [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] [Indexed: 07/02/2024]
Abstract
Organophosphorus(V) fluorides have a long and tumultuous history, with early applications as toxins and nerve agents reflecting their poisonous past. Behind these very real safety considerations, there is also growing potential in a wide range of fields, from chemical biology to drug development. The recent inclusion of organophosphorus(V) fluorides in click chemistry exemplifies the promise these compounds possess and brings these molecules to the brink of a resurgence. In this Perspective, we delve into the history of P(V)-F compounds, discuss the precautions needed to work with them safely, and explore recent advancements in their synthesis and application. We conclude by discussing how this field can continue on a path toward innovation.
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Affiliation(s)
- William P. Chappell
- Department of Chemistry, University of British Columbia,
2036 Main Mall, Vancouver, British Columbia, V6T 1Z1, Canada
| | - Natalie Schur
- Department of Chemistry, Pomona College, 645 North College
Avenue, Claremont, California 91711, United States of America
| | - James A. Vogel
- Department of Chemistry, Bryn Mawr College, Bryn Mawr,
Pennsylvania 19010, United States of America
| | - Glenn M. Sammis
- Department of Chemistry, University of British Columbia,
2036 Main Mall, Vancouver, British Columbia, V6T 1Z1, Canada
| | - Patrick R. Melvin
- Department of Chemistry, Bryn Mawr College, Bryn Mawr,
Pennsylvania 19010, United States of America
| | - Nicholas D. Ball
- Department of Chemistry, Pomona College, 645 North College
Avenue, Claremont, California 91711, United States of America
- Lead contact
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9
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Zogu A, Ullah K, Spanopoulos S, Ismalaj E, De Borggraeve WM, Demaerel J. Perfluorooxosulfate Salts as SOF 4-Gas-Free Precursors to Multidimensional SuFEx Electrophiles. Angew Chem Int Ed Engl 2024; 63:e202403797. [PMID: 38630865 DOI: 10.1002/anie.202403797] [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: 02/23/2024] [Revised: 04/03/2024] [Accepted: 04/11/2024] [Indexed: 04/19/2024]
Abstract
Sulfur(VI) Fluoride Exchange (SuFEx) chemistry stands as a well-established method for swiftly constructing complex molecules in a modular fashion. An especially promising segment of this toolbox is reserved for multidimensional SuFEx hubs: three or more substituents pluggable into a singular SVI centre to make 'beyond-linear' clicked constructions. Sulfurimidoyl difluorides (RNSOF2) stand out as the prime example of this, however their preparation from the scarcely available thionyl tetrafluoride (SOF4) limits this chemistry to only a few laboratories with access to this gas. In this work, we identify silver pentafluorooxosulfate (AgOSF5) as a viable SuFEx hub with reactivity equal to SOF4. The AgF2-mediated oxidation of SOCl2 gives rise to the hexacoordinate AgOSF5 adduct, which in contact with primary amines produces the sulfurimidoyl fluorides in high yields. In addition, we have found this workflow to be fully extendable to the trifluoromethyl homologue, AgOSF4CF3, and we propose the use of AgOSF4X salts as a general route to azasulfur SuFEx electrophiles from commercial starting materials.
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Affiliation(s)
- Armir Zogu
- Department of Chemistry, Sustainable Chemistry for Metals and Molecules (SCM2), KU Leuven Department of Chemistry, Celestijnenlaan 200F-box 2404, B-3001, Leuven, Belgium
| | - Karim Ullah
- Department of Chemistry, Sustainable Chemistry for Metals and Molecules (SCM2), KU Leuven Department of Chemistry, Celestijnenlaan 200F-box 2404, B-3001, Leuven, Belgium
- Department of Chemistry and Technologies of Drug, Sapienza, University of Rome, P.le A. Moro 5, 00185, Rome, Italy
| | - Stefanos Spanopoulos
- Department of Chemistry, Sustainable Chemistry for Metals and Molecules (SCM2), KU Leuven Department of Chemistry, Celestijnenlaan 200F-box 2404, B-3001, Leuven, Belgium
| | - Ermal Ismalaj
- Department of Chemistry, Sustainable Chemistry for Metals and Molecules (SCM2), KU Leuven Department of Chemistry, Celestijnenlaan 200F-box 2404, B-3001, Leuven, Belgium
- CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), Paseo Miramon, 20014, San Sebastian, Guipuzcoa, Spain
- CIBER de Enfermedades Respiratorias (CIBERES), 28029, Madrid, Spain
| | - Wim M De Borggraeve
- Department of Chemistry, Sustainable Chemistry for Metals and Molecules (SCM2), KU Leuven Department of Chemistry, Celestijnenlaan 200F-box 2404, B-3001, Leuven, Belgium
| | - Joachim Demaerel
- Department of Chemistry, Sustainable Chemistry for Metals and Molecules (SCM2), KU Leuven Department of Chemistry, Celestijnenlaan 200F-box 2404, B-3001, Leuven, Belgium
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10
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Melvin PR. Asymmetric construction of sulfur(VI)-fluorine cores. Nat Chem 2024; 16:304-305. [PMID: 38355830 DOI: 10.1038/s41557-024-01454-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
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