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Ahmed EAMA, Zhang H, Cao WG, Gong TJ. Palladium-Catalyzed Cross-Coupling of gem-Difluorocyclopropanes with gem-Diborylalkanes for the Synthesis of Boryl-Substituted Fluorinated Alkenes. Org Lett 2023; 25:9020-9024. [PMID: 38063840 DOI: 10.1021/acs.orglett.3c03626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
This study presents a novel method for the regioselective coupling of gem-difluorinated cyclopropanes with gem-diborylmethane, utilizing a Pd-catalyst system. This innovative approach enables the synthesis of 2-fluoroalkenyl monoboronate scaffolds with high Z-selectivity. The resulting products undergo further transformations, including oxidation, Suzuki cross-coupling, and trifluoroborylation, all of which are achieved with good yields. This work introduces a valuable synthetic pathway to access important fluorinated compounds for various applications in organic chemistry.
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Affiliation(s)
| | - Hongchen Zhang
- College of pharmacy, Wenzhou Medical University, Wenzhou 325035, China
| | - Wen-Gen Cao
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Tian-Jun Gong
- Hefei National Research Center for Physical Sciences at the Microscale, iChEM, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy University of Science and Technology of China, Hefei 230026, People's Republic of China
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2
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Niu C, Li Q, Zhang C. The boration reaction using B2pai2. Tetrahedron 2023. [DOI: 10.1016/j.tet.2023.133381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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LaPorte AJ, Shi Y, Hein JE, Burke MD. Stereospecific Csp 3 Suzuki–Miyaura Cross-Coupling That Evades β-Oxygen Elimination. ACS Catal 2022. [DOI: 10.1021/acscatal.2c03245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Antonio J. LaPorte
- Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
| | - Yao Shi
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
| | - Jason E. Hein
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
| | - Martin D. Burke
- Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
- Carle Illinois College of Medicine, University of Illinois, Urbana, Illinois 61801, United States
- Department of Biochemistry, University of Illinois, Urbana, Illinois 61801, United States
- Arnold and Mabel Beckman Institute, University of Illinois, Urbana, Illinois 61801, United States
- Carl R. Woese Institute for Genomic Biology, University of Illinois, Urbana, Illinois 61801, United States
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Favero L, Menichetti A, Boldrini C, Comparini LM, Di Bussolo V, Di Pietro S, Pineschi M. Copper-Catalyzed Ring-Opening Reactions of Alkyl Aziridines with B 2pin 2: Experimental and Computational Studies. Molecules 2021; 26:7399. [PMID: 34885983 DOI: 10.3390/molecules26237399] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 11/23/2021] [Accepted: 12/03/2021] [Indexed: 11/17/2022] Open
Abstract
The possibility to form new C-B bonds with aziridines using diboron derivatives continues to be a particularly challenging field in view of the direct preparation of functionalized β-aminoboronates, which are important compounds in drug discovery, being a bioisostere of β-aminoacids. We now report experimental and computational data that allows the individuation of the structural requisites and of reaction conditions necessary to open alkyl aziridines using bis(pinacolate)diboron (B2pin2) in a regioselective nucleophilic addition reaction under copper catalysis.
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Affiliation(s)
- Mauro Pineschi
- Department of Pharmacy University of Pisa Via Bonanno 33 56126 Pisa Italy Tel
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Affiliation(s)
- Andrew Whyte
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Alexa Torelli
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Bijan Mirabi
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Anji Zhang
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Mark Lautens
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
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Abstract
Organoborons have emerged as versatile building blocks in organic synthesis to achieve molecular diversity and as carboxylic acid bioisosteres with broad applicability in drug discovery. Traditionally, these compounds are prepared by the substitution of Grignard/lithium reagents with electrophilic boron species and Brown hydroboration. Recent developments have provided new routes for the efficient preparation of organoborons by applying reactions using chemical feedstocks with leaving groups. As compared to the previous methods that used organic halides (I, Br, and Cl), the direct borylation of less reactive C-Het and C-C bonds has become highly important to get efficiency and functional-group compatibility. This Review aims to provide a comprehensive overview of this topic, including (1) C-F bond borylation, (2) C-O bond borylation, (3) C-S bond borylation, (4) C-N bond borylation, and (5) C-C bond borylation. Considerable attention is given to the strategies and mechanisms involved. We expect that this Review will inspire chemists to discover more efficient transformations to expand this field.
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Affiliation(s)
- 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
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Affiliation(s)
- Mauro Pineschi
- Department of Pharmacy; University of Pisa; Via Bonanno 33 56126 Pisa Italy
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Lu XY, Li JS, Wang SQ, Zhu YJ, Li YM, Yan LY, Li JM, Wang JY, Zhou HP, Ge XT. Pd-Catalyzed decarboxylative cross-coupling reactions of epoxides with α,β-unsaturated carboxylic acids. Chem Commun (Camb) 2019; 55:11123-11126. [DOI: 10.1039/c9cc04795f] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A Pd-catalyzed decarboxylative cross-coupling of α,β-unsaturated carboxylic acids with cyclic and acyclic epoxides has been developed.
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Affiliation(s)
- Xiao-Yu Lu
- School of Materials and Chemical Engineering
- ChuZhou University
- Chu Zhou
- China
- School of Chemistry and Chemical Engineering
| | - Jin-Song Li
- School of Materials and Chemical Engineering
- ChuZhou University
- Chu Zhou
- China
| | - Shi-Qun Wang
- School of Materials and Chemical Engineering
- ChuZhou University
- Chu Zhou
- China
| | - Yu-Jing Zhu
- School of Materials and Chemical Engineering
- ChuZhou University
- Chu Zhou
- China
| | - Yue-Ming Li
- School of Materials and Chemical Engineering
- ChuZhou University
- Chu Zhou
- China
| | - Lu-Yu Yan
- School of Materials and Chemical Engineering
- ChuZhou University
- Chu Zhou
- China
| | - Jia-Mei Li
- School of Materials and Chemical Engineering
- ChuZhou University
- Chu Zhou
- China
| | - Jin-Yu Wang
- School of Materials and Chemical Engineering
- ChuZhou University
- Chu Zhou
- China
| | - Hai-Pin Zhou
- School of Materials and Chemical Engineering
- ChuZhou University
- Chu Zhou
- China
| | - Xiu-Tao Ge
- School of Materials and Chemical Engineering
- ChuZhou University
- Chu Zhou
- China
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Affiliation(s)
- Marek Čubiňák
- Department of Organic Chemistry; University of Chemistry and Technology, Prague, Technická 5; 166 28 Prague 6 Czech Republic
| | - Václav Eigner
- Institute of Physics AS CR, v.v.i., Na Slovance 2; 182 21 Prague 8 Czech Republic
| | - Tomáš Tobrman
- Department of Organic Chemistry; University of Chemistry and Technology, Prague, Technická 5; 166 28 Prague 6 Czech Republic
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Zhang X, Zhang Z, Xie Y, Jiang Y, Xu R, Luo Y, Tao C. Alcohol-Initiated Dediazoniation of Aryldiazonium Ions to Aryl Radicals: A Simple and Efficient Route to Arylboronates. Journal of Chemical Research 2018. [DOI: 10.3184/174751918x15362432558247] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
A simple and efficient access to arylboronates was achieved with methanol-initiated borylation of aryldiazonium salts. Reduction of aryldiazonium ions by single electron transfer from methanol affords aryl radical species, which undergo a subsequent C–B bond formation with bis(pinacolato)diboron. This highly practical borylation process, which can be carried out on the gram-scale, enjoys operational simplicity as well as mild and catalyst-free conditions.
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Affiliation(s)
- Xiulian Zhang
- School of Chemical Engineering, Huaihai Institute of Technology, Lianyungang 222005, P.R. China
| | - Zhicheng Zhang
- School of Chemical Engineering, Huaihai Institute of Technology, Lianyungang 222005, P.R. China
| | - Yongbin Xie
- School of Chemical Engineering, Huaihai Institute of Technology, Lianyungang 222005, P.R. China
| | - Yujie Jiang
- School of Chemical Engineering, Huaihai Institute of Technology, Lianyungang 222005, P.R. China
| | - Ruibo Xu
- School of Chemical Engineering, Huaihai Institute of Technology, Lianyungang 222005, P.R. China
| | - Yuhui Luo
- School of Chemical Engineering, Huaihai Institute of Technology, Lianyungang 222005, P.R. China
| | - Chuanzhou Tao
- School of Chemical Engineering, Huaihai Institute of Technology, Lianyungang 222005, P.R. China
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12
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Kim-Lee SH, Alonso I, Mauleón P, Arrayás RG, Carretero JC. Rationalizing the Role of NaOtBu in Copper-Catalyzed Carboboration of Alkynes: Assembly of Allylic All-Carbon Quaternary Stereocenters. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02123] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Shin-Ho Kim-Lee
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid (UAM), Cantoblanco, 28049 Madrid, Spain
| | - Inés Alonso
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid (UAM), Cantoblanco, 28049 Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid (UAM), 28049 Madrid, Spain
| | - Pablo Mauleón
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid (UAM), Cantoblanco, 28049 Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid (UAM), 28049 Madrid, Spain
| | - Ramón Gómez Arrayás
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid (UAM), Cantoblanco, 28049 Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid (UAM), 28049 Madrid, Spain
| | - Juan C. Carretero
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid (UAM), Cantoblanco, 28049 Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid (UAM), 28049 Madrid, Spain
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Abstract
A novel, versatile and modular route to unsymmetrical diborane(4) derivatives bearing either two different diol moieties or one diol and one diamine moiety is presented. Utilising the very basic approach of reacting a boron nucleophile with a boron electrophile to establish the B-B bond allows a simple variation of the two individual boron moieties. The copper(i) boryl complexes used as nucleophilic boron sources are readily accessible from commercially available symmetrical diborane(4) derivatives, whilst equally readily available boron halide derivatives are used as electrophiles. Seven previously inaccessible diborane(4) derivatives were obtained and fully characterised, including single crystal X-ray structure determinations, illustrating the broad scope of the method.
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Affiliation(s)
- W Oschmann
- Institut für Anorganische und Analytische Chemie, Technische Universität Carolo-Wilhelmina zu Braunschweig, Hagenring 30, 38106 Braunschweig, Germany.
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Affiliation(s)
- Corinna Borner
- Institut für Anorganische und Analytische Chemie Technische Universität Carolo‐Wilhelmina zu Braunschweig Hagenring 30 38106 Braunschweig Germany
| | - Maximilian T. Wiecha
- Institut für Anorganische und Analytische Chemie Technische Universität Carolo‐Wilhelmina zu Braunschweig Hagenring 30 38106 Braunschweig Germany
| | - Christian Kleeberg
- Institut für Anorganische und Analytische Chemie Technische Universität Carolo‐Wilhelmina zu Braunschweig Hagenring 30 38106 Braunschweig Germany
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Affiliation(s)
- Thomas C. Stephens
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, U.K
| | - Graham Pattison
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, U.K
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