1
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de las Heras LA, Esteruelas MA, Oliván M, Oñate E. C–Cl Oxidative Addition and C–C Reductive Elimination Reactions in the Context of the Rhodium-Promoted Direct Arylation. Organometallics 2022; 41:716-732. [PMID: 35368715 PMCID: PMC8966374 DOI: 10.1021/acs.organomet.1c00643] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Indexed: 01/09/2023]
Abstract
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A cycle of stoichiometric
elemental reactions defining the direct
arylation promoted by a redox-pair Rh(I)–Rh(III) is reported.
Starting from the rhodium(I)-aryl complex RhPh{κ3-P,O,P-[xant(PiPr2)2]} (xant(PiPr2)2 = 9,9-dimethyl-4,5-bis(diisopropylphosphino)xanthene),
the reactions include C–Cl oxidative addition of organic chlorides,
halide abstraction from the resulting six-coordinate rhodium(III)
derivatives, C–C reductive coupling between the initial aryl
ligand and the added organic group, oxidative addition of a C–H
bond of a new arene, and deprotonation of the generated hydride-rhodium(III)-aryl
species to form a new rhodium(I)-aryl derivative. In this context,
the kinetics of the oxidative additions of 2-chloropyridine, chlorobenzene,
benzyl chloride, and dichloromethane to RhPh{κ3-P,O,P-[xant(PiPr2)2]} and the C–C reductive
eliminations of biphenyl and benzylbenzene from [RhPh2{κ3-P,O,P-[xant(PiPr2)2]}]BF4 and [RhPh(CH2Ph){κ3-P,O,P-[xant(PiPr2)2]}]BF4, respectively,
have been studied. The oxidative additions generally involve the cis
addition of the C–Cl bond of the organic chloride to the rhodium(I)
complex, being kinetically controlled by the C–Cl bond dissociation
energy; the weakest C–Cl bond is faster added. The C–C
reductive elimination is kinetically governed by the dissociation
energy of the formed bond. The C(sp3)–C(sp2) coupling to give benzylbenzene
is faster than the C(sp2)–C(sp2) bond
formation to afford biphenyl. In spite of that a most demanding orientation
requirement is needed for the C(sp3)–C(sp2) coupling than for the C(sp2)–C(sp2) bond formation, the energetic effort for the pregeneration of the
C(sp3)–C(sp2) bond is lower. As a result,
the weakest C–C bond is formed faster.
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Affiliation(s)
- Laura A. de las Heras
- Departamento de Química Inorgánica─Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)─Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza─CSIC, 50009 Zaragoza, Spain
| | - Miguel A. Esteruelas
- Departamento de Química Inorgánica─Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)─Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza─CSIC, 50009 Zaragoza, Spain
| | - Montserrat Oliván
- Departamento de Química Inorgánica─Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)─Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza─CSIC, 50009 Zaragoza, Spain
| | - Enrique Oñate
- Departamento de Química Inorgánica─Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)─Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza─CSIC, 50009 Zaragoza, Spain
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2
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Li WZ, Wang ZX. Nickel-catalyzed coupling of R 2P(O)Me (R = aryl or alkoxy) with (hetero)arylmethyl alcohols. Org Biomol Chem 2021; 19:2233-2242. [PMID: 33616130 DOI: 10.1039/d1ob00086a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
α-Alkylation of methyldiarylphosphine oxides with (hetero)arylmethyl alcohols was performed under nickel catalysis. Various arylmethyl and heteroarylmethyl alcohols can be used in this transformation. A series of methyldiarylphosphine oxides were alkylated with 30-90% yields. Functional groups on the aromatic rings of methyldiarylphosphine oxides or arylmethyl alcohols including OMe, NMe2, SMe, CF3, Cl, and F groups can be tolerated. The conditions are also suitable for the α-alkylation reaction of dialkyl methylphosphonates.
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Affiliation(s)
- Wei-Ze Li
- CAS Key Laboratory of Soft Matter Chemistry and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China.
| | - Zhong-Xia Wang
- CAS Key Laboratory of Soft Matter Chemistry and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China. and Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, P. R. China
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3
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Bajo S, Alférez MG, Alcaide MM, López‐Serrano J, Campos J. Metal-only Lewis Pairs of Rhodium with s, p and d-Block Metals. Chemistry 2020; 26:16833-16845. [PMID: 32722855 PMCID: PMC7756578 DOI: 10.1002/chem.202003167] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 07/27/2020] [Indexed: 12/22/2022]
Abstract
Metal-only Lewis pairs (MOLPs) in which the two metal fragments are solely connected by a dative M→M bond represent privileged architectures to acquire fundamental understanding of bimetallic bonding. This has important implications in many catalytic processes or supramolecular systems that rely on synergistic effects between two metals. However, a systematic experimental/computational approach on a well-defined class of compounds is lacking. Here we report a family of MOLPs constructed around the RhI precursor [(η5 -C5 Me5 )Rh(PMe3 )2 ] (1) with a series of s, p and d-block metals, mostly from the main group elements, and investigate their bonding by computational means. Among the new MOLPs, we have structurally characterized those formed by dative bonding between 1 and MgMeBr, AlMe3 , GeCl2 , SnCl2 , ZnMe2 and Zn(C6 F5 )2, as well as spectroscopically identified the ones resulting from coordination to MBArF (M=Na, Li; BArF - =[B(C6 H2 -3,5-(CF3 )2 )4 ]- ) and CuCl. Some of these compounds represent unique examples of bimetallic structures, such as the first unambiguous cases of Rh→Mg dative bonding or base-free rhodium bound germylene and stannylene species. Multinuclear NMR spectroscopy, including 103 Rh NMR, is used to probe the formation of Rh→M bonds. A comprehensive theoretical analysis of those provides clear trends. As anticipated, greater bond covalency is found for the more electronegative acids, whereas ionic character dominates for the least electronegative nuclei, though some degree of electron sharing is identified in all cases.
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Affiliation(s)
- Sonia Bajo
- Instituto de Investigaciones Químicas (IIQ)Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Consejo Superior de Investigaciones Científicas (CSIC)University of SevillaAvenida Américo Vespucio 4941092SevillaSpain
| | - Macarena G. Alférez
- Instituto de Investigaciones Químicas (IIQ)Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Consejo Superior de Investigaciones Científicas (CSIC)University of SevillaAvenida Américo Vespucio 4941092SevillaSpain
| | - María M. Alcaide
- Instituto de Investigaciones Químicas (IIQ)Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Consejo Superior de Investigaciones Científicas (CSIC)University of SevillaAvenida Américo Vespucio 4941092SevillaSpain
| | - Joaquín López‐Serrano
- Instituto de Investigaciones Químicas (IIQ)Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Consejo Superior de Investigaciones Científicas (CSIC)University of SevillaAvenida Américo Vespucio 4941092SevillaSpain
| | - Jesús Campos
- Instituto de Investigaciones Químicas (IIQ)Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Consejo Superior de Investigaciones Científicas (CSIC)University of SevillaAvenida Américo Vespucio 4941092SevillaSpain
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4
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Niu Y, Bai P, Lou Q, Yang S. Generation of a Key Synthon of Indole Alkaloid Synthesis by Palladium(II)‐Catalyzed Indole 2‐Methylenephosphorylation. ChemCatChem 2020. [DOI: 10.1002/cctc.202000415] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yuan Niu
- State Key Laboratory of Applied Organic ChemistryLanzhou University Lanzhou 730000 P. R. China
| | - Peng‐Bo Bai
- State Key Laboratory of Applied Organic ChemistryLanzhou University Lanzhou 730000 P. R. China
| | - Qin‐Xin Lou
- State Key Laboratory of Applied Organic ChemistryLanzhou University Lanzhou 730000 P. R. China
| | - Shang‐Dong Yang
- State Key Laboratory of Applied Organic ChemistryLanzhou University Lanzhou 730000 P. R. China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation Lanzhou Institute of Chemical PhysicsChinese Academy of Sciences Lanzhou 730000 P. R. China
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5
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Liu Z, Luan N, Shen L, Li J, Zou D, Wu Y, Wu Y. Palladium-Catalyzed Hiyama Cross-Couplings of Arylsilanes with 3-Iodoazetidine: Synthesis of 3-Arylazetidines. J Org Chem 2019; 84:12358-12365. [PMID: 31532668 DOI: 10.1021/acs.joc.9b01715] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The first palladium-catalyzed Hiyama cross-coupling reactions of arylsilanes with 3-iodoazetidine were described. The protocol provides a convenient access to a variety of useful 3-arylazetidines which are of great interest in pharmaceutical laboratories in moderate to good yields (30%-88%). In addition, this strategy has the advantage of easy operation and mild reaction conditions.
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Affiliation(s)
- Zhenwei Liu
- The College of Chemistry and Molecular Engineering, Henan Key Laboratory of Chemical Biology and Organic Chemistry , Zhengzhou University , Zhengzhou 450052 , People's Republic of China
| | - Nannan Luan
- The College of Chemistry and Molecular Engineering, Henan Key Laboratory of Chemical Biology and Organic Chemistry , Zhengzhou University , Zhengzhou 450052 , People's Republic of China
| | - Linhua Shen
- The College of Chemistry and Molecular Engineering, Henan Key Laboratory of Chemical Biology and Organic Chemistry , Zhengzhou University , Zhengzhou 450052 , People's Republic of China
| | - Jingya Li
- Tetranov Biopharm, LLC. and Collaborative Innovation Center of New Drug Research and Safety Evaluation , Zhengzhou , 450052 , People's Republic of China
| | - Dapeng Zou
- The College of Chemistry and Molecular Engineering, Henan Key Laboratory of Chemical Biology and Organic Chemistry , Zhengzhou University , Zhengzhou 450052 , People's Republic of China
| | - Yusheng Wu
- The College of Chemistry and Molecular Engineering, Henan Key Laboratory of Chemical Biology and Organic Chemistry , Zhengzhou University , Zhengzhou 450052 , People's Republic of China.,Tetranov Biopharm, LLC. and Collaborative Innovation Center of New Drug Research and Safety Evaluation , Zhengzhou , 450052 , People's Republic of China.,Tetranov International, Inc. 100 Jersey Avenue, Suite A340 , New Brunswick , New Jersey 08901 , United States
| | - Yangjie Wu
- The College of Chemistry and Molecular Engineering, Henan Key Laboratory of Chemical Biology and Organic Chemistry , Zhengzhou University , Zhengzhou 450052 , People's Republic of China
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6
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Curto SG, de las Heras LA, Esteruelas MA, Oliván M, Oñate E. C(sp3)–Cl Bond Activation Promoted by a POP-Pincer Rhodium(I) Complex. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00409] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Sheila G. Curto
- Departamento de Química Inorgánica-Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Laura A. de las Heras
- Departamento de Química Inorgánica-Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Miguel A. Esteruelas
- Departamento de Química Inorgánica-Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Montserrat Oliván
- Departamento de Química Inorgánica-Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Enrique Oñate
- Departamento de Química Inorgánica-Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
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7
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Zhou F, Hu X, Zhang W, Li CJ. Direct conjugate additions using aryl and alkyl organic halides in air and water. Org Chem Front 2018. [DOI: 10.1039/c8qo01141a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The direct aryl-conjugate addition to electron-deficient alkenes without prior stoichiometric formation of organometallic reagents in water catalyzed by copper represents an important but unresolved challenge.
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Affiliation(s)
- Feng Zhou
- Department of Chemistry and FQRNT Centre for Green Chemistry and Catalysis
- McGill University
- Montreal
- Canada
| | - Xiaoyun Hu
- Department of Chemistry and FQRNT Centre for Green Chemistry and Catalysis
- McGill University
- Montreal
- Canada
- College of Chemistry and Materials
| | - Wanying Zhang
- Department of Chemistry and FQRNT Centre for Green Chemistry and Catalysis
- McGill University
- Montreal
- Canada
| | - Chao-Jun Li
- Department of Chemistry and FQRNT Centre for Green Chemistry and Catalysis
- McGill University
- Montreal
- Canada
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8
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Greiner R, Ziegler DS, Cibu D, Jakowetz AC, Auras F, Bein T, Knochel P. Preparation of Polyfunctional Naphthyridines by Cobalt-Catalyzed Cross-Couplings of Halogenated Naphthyridines with Magnesium and Zinc Organometallics. Org Lett 2017; 19:6384-6387. [PMID: 29152984 PMCID: PMC6400433 DOI: 10.1021/acs.orglett.7b03242] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
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CoCl2 (5%)
catalyzes cross-couplings of various halogenated
naphthyridines with alkyl- and arylmagnesium halides. Also, arylzinc
halides undergo smooth cross-couplings with various naphthyridines
in the presence of CoCl2·2LiCl (5%) and sodium formate
(50%), leading to polyfunctional arylated naphthyridines. Two of these
arylated naphthyridines are highly fluorescent, with quantum efficiencies
reaching 95% and long excited-state lifetimes of up to 12 ns.
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Affiliation(s)
- Robert Greiner
- Department of Chemistry, Ludwig-Maximilians-Universität , Butenandtstrasse 5-13, 81377 Munich, Germany
| | - Dorothée S Ziegler
- Department of Chemistry, Ludwig-Maximilians-Universität , Butenandtstrasse 5-13, 81377 Munich, Germany
| | - Denise Cibu
- Department of Chemistry, Ludwig-Maximilians-Universität , Butenandtstrasse 5-13, 81377 Munich, Germany
| | - Andreas C Jakowetz
- Department of Chemistry, Ludwig-Maximilians-Universität , Butenandtstrasse 5-13, 81377 Munich, Germany
| | - Florian Auras
- Cavendish Laboratory, University of Cambridge , Cambridge CB3 0HE, United Kingdom
| | - Thomas Bein
- Department of Chemistry, Ludwig-Maximilians-Universität , Butenandtstrasse 5-13, 81377 Munich, Germany
| | - Paul Knochel
- Department of Chemistry, Ludwig-Maximilians-Universität , Butenandtstrasse 5-13, 81377 Munich, Germany
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9
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Ren Q, An S, Huang Z, Wu N, Shen X. Halogen atom transfer mechanism of iron-catalyzed direct arylation to form biaryl using Density Functional Theory calculations. J Organomet Chem 2017. [DOI: 10.1016/j.jorganchem.2017.05.035] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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10
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Pell CJ, Shih WC, Gatard S, Ozerov OV. Formation of (PNP)Rh complexes containing covalent rhodium-zinc bonds in studies of potential Rh-catalysed Negishi coupling. Chem Commun (Camb) 2017; 53:6456-6459. [PMID: 28560363 DOI: 10.1039/c7cc02707a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
While investigating rhodium-catalyzed Negishi coupling, it was observed that the (PNP)Rh fragment readily inserted into zinc-carbon bonds to form isolable molecules with covalent rhodium-zinc bonds.
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Affiliation(s)
- Christopher J Pell
- Department of Chemistry, Texas A&M University, College Station, TX 77842, USA.
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11
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Disale S, Kale S, Abraham G, Kahandal S, Sawarkar AN, Gawande MB. A Sustainable and Efficient Synthesis of Benzyl Phosphonates Using PEG/KI Catalytic System. Front Chem 2016; 4:35. [PMID: 27579301 PMCID: PMC4986413 DOI: 10.3389/fchem.2016.00035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Accepted: 07/26/2016] [Indexed: 11/13/2022] Open
Abstract
An efficient and expedient protocol for the synthesis of benzyl phosphonates using KI/K2CO3 as a catalytic system and PEG-400 as benign solvent has been developed. The reaction proceeds smoothly at room temperature achieving excellent selectivity and yield of the corresponding products. The combination of PEG-400, KI, and K2CO3 in this reaction avoids the need of volatile/toxic organic solvents and reactive alkali metals or metal nanoparticles/hydrides. We believe that this benign combination (PEG-400 and KI) could be used for other related organic transformations.
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Affiliation(s)
- Shamrao Disale
- Department of Chemistry, Institute of Chemical Technology Mumbai, India
| | - Sandip Kale
- Department of Chemistry, SIES College of Arts, Science and Commerce Mumbai, India
| | - George Abraham
- Department of Chemistry, SIES College of Arts, Science and Commerce Mumbai, India
| | - Sandeep Kahandal
- Department of Chemistry, B.N. Bandodkar College of Science Mumbai, India
| | - Ashish N Sawarkar
- Department of Chemical Engineering, Motilal Nehru National Institute of Technology Allahabad, India
| | - Manoj B Gawande
- Department of Physical Chemistry, Faculty of Science, Regional Centre of Advanced Technologies and Materials, Palacky University Olomouc, Czech Republic
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12
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Hammann JM, Haas D, Knochel P. Cobalt-katalysierte Negishi-Kreuzkupplungen von (Hetero)Arylzinkreagentien mit primären und sekundären Alkylbromiden und -iodiden. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201411960] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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13
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Hammann JM, Haas D, Knochel P. Cobalt-Catalyzed Negishi Cross-Coupling Reactions of (Hetero)Arylzinc Reagents with Primary and Secondary Alkyl Bromides and Iodides. Angew Chem Int Ed Engl 2015; 54:4478-81. [DOI: 10.1002/anie.201411960] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Indexed: 11/11/2022]
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14
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Kim S, Kim CE, Seo B, Lee PH. In Situ Generation of Phosphoryl Alkylindiums and Their Synthetic Application to Arylalkyl Phosphonates via Palladium-Catalyzed Cross-Coupling Reactions. Org Lett 2014; 16:5552-5. [DOI: 10.1021/ol502540z] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Sanghyuck Kim
- Department
of Chemistry, Kangwon National University, Chuncheon 200-701, Republic of Korea
| | - Cheol-Eui Kim
- Department
of Chemistry, Kangwon National University, Chuncheon 200-701, Republic of Korea
| | - Boram Seo
- Department
of Chemistry, Kangwon National University, Chuncheon 200-701, Republic of Korea
| | - Phil Ho Lee
- Department
of Chemistry, Kangwon National University, Chuncheon 200-701, Republic of Korea
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15
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Hernández-Guerra D, Rodríguez MS, Suárez E. Fragmentation of Carbohydrate Anomeric Alkoxyl Radicals: Synthesis of Chiral Polyhydroxylated β-Iodo- and Alkenylorganophosphorus(V) Compounds. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402387] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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16
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Sato K, Inoue Y, Mori T, Sakaue A, Tarui A, Omote M, Kumadaki I, Ando A. Csp3-csp3 homocoupling reaction of benzyl halides catalyzed by rhodium. Org Lett 2014; 16:3756-9. [PMID: 24979666 DOI: 10.1021/ol501619w] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A highly reactive alkylrhodium complex was formed from Me(2)Zn and RhCl(PPh(3))(3) and effectively catalyzed a Csp(3)-Csp(3) homocoupling reaction of benzyl halides. A Csp(3)-Csp(3) coupling reaction using Rh catalyst has not been reported up to now. The reaction proceeded under very mild conditions and gave the corresponding homocoupling products even if they had reactive substituents such as an uncovered formyl or hydroxymethyl group.
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Affiliation(s)
- Kazuyuki Sato
- Faculty of Pharmaceutical Sciences, Setsunan University , 45-1, Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
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17
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McDonald SL, Wang Q. Copper-Catalyzed α-Amination of Phosphonates and Phosphine Oxides: A Direct Approach to α-Amino Phosphonic Acids and Derivatives. Angew Chem Int Ed Engl 2014; 53:1867-71. [DOI: 10.1002/anie.201308890] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2013] [Indexed: 01/30/2023]
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18
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McDonald SL, Wang Q. Copper-Catalyzed α-Amination of Phosphonates and Phosphine Oxides: A Direct Approach to α-Amino Phosphonic Acids and Derivatives. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201308890] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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19
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Suzuki I, Kiyokawa K, Yasuda M, Baba A. Indium(III) Halide-Catalyzed UV-Irradiated Radical Coupling of Iodomethylphosphorus Compounds with Various Organostannanes. Org Lett 2013; 15:1728-31. [DOI: 10.1021/ol4005257] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Itaru Suzuki
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Kensuke Kiyokawa
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Makoto Yasuda
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Akio Baba
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
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20
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Hernández-Guerra D, Rodríguez MS, Suárez E. Synthesis of Chiral β-Iodo- and Vinylorganophosphorus(V) Compounds by Fragmentation of Carbohydrate Anomeric Alkoxyl Radicals. Org Lett 2013; 15:250-3. [DOI: 10.1021/ol302939z] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Daniel Hernández-Guerra
- Instituto de Productos Naturales y Agrobiología del CSIC, Carretera de La Esperanza 3, 38206 La Laguna, Tenerife, Spain
| | - María S. Rodríguez
- Instituto de Productos Naturales y Agrobiología del CSIC, Carretera de La Esperanza 3, 38206 La Laguna, Tenerife, Spain
| | - Ernesto Suárez
- Instituto de Productos Naturales y Agrobiología del CSIC, Carretera de La Esperanza 3, 38206 La Laguna, Tenerife, Spain
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Miao W, Gao Y, Li X, Gao Y, Tang G, Zhao Y. Copper-Catalyzed Synthesis of Alkylphosphonates fromH-Phosphonates andN-Tosylhydrazones. Adv Synth Catal 2012. [DOI: 10.1002/adsc.201200295] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Chen K, Li H, Li Y, Zhang XS, Lei ZQ, Shi ZJ. Direct oxidative arylation via rhodium-catalyzed C–C bond cleavage of secondary alcohols with arylsilanes. Chem Sci 2012. [DOI: 10.1039/c2sc00923d] [Citation(s) in RCA: 90] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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23
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Rout L, Regati S, Zhao CG. Synthesis of α-Arylphosphonates Using Copper-Catalyzed α-Arylation and Deacylative α-Arylation of β-Ketophosphonates. Adv Synth Catal 2011; 353:3340-3346. [PMID: 22505878 PMCID: PMC3324819 DOI: 10.1002/adsc.201100605] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Efficient methods for the direct arylation and deacylative arylation of β-ketophosphonates with iodoarenes in presence of a copper(I) or a copper(II) salt as the catalysts were developed. The corresponding α-arylphosphonates were obtained in high yields. A tentative mechanism for the deacylative arylation reaction was proposed on the basis of the experimental data.
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Affiliation(s)
- Laxmidhar Rout
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249, USA
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Barney RJ, Richardson RM, Wiemer DF. Direct conversion of benzylic and allylic alcohols to phosphonates. J Org Chem 2011; 76:2875-9. [PMID: 21405073 DOI: 10.1021/jo200137k] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Benzyl phosphonate esters often serve as reagents in Horner-Wadsworth-Emmons reactions. In most cases, they can be prepared from benzylic alcohols via formation of the corresponding halide followed by an Arbuzov reaction. To identify a more direct synthesis of phosphonate esters, we have developed a one-flask procedure for conversion of benzylic and allylic alcohols to the corresponding phosphonates through treatment with triethyl phosphite and ZnI(2).
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Affiliation(s)
- Rocky J Barney
- Department of Chemistry, University of Iowa, Iowa City, Iowa 52242-1294, United States
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Kobayashi K, Nishimura Y, Gao F, Gotoh K, Nishihara Y, Takagi K. Rh-Catalyzed Carbonylation of Arylzinc Compounds Yielding Symmetrical Diaryl Ketones by the Assistance of Oxidizing Agents. J Org Chem 2011; 76:1949-52. [DOI: 10.1021/jo1025173] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kana Kobayashi
- Department of Chemistry, Faculty of Science, Okayama University, Tsushima, Okayama 700-8530, Japan
| | - Yugo Nishimura
- Department of Chemistry, Faculty of Science, Okayama University, Tsushima, Okayama 700-8530, Japan
| | - Fuxing Gao
- Department of Chemistry, Xinyang Normal University, Xinyang, Henan 464000, China
| | - Kazuma Gotoh
- Department of Chemistry, Faculty of Science, Okayama University, Tsushima, Okayama 700-8530, Japan
| | - Yasushi Nishihara
- Department of Chemistry, Faculty of Science, Okayama University, Tsushima, Okayama 700-8530, Japan
| | - Kentaro Takagi
- Department of Chemistry, Faculty of Science, Okayama University, Tsushima, Okayama 700-8530, Japan
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Baird LJ, Colomban C, Turner C, Teesdale-Spittle PH, Harvey JE. Alkenylphosphonates: unexpected products from reactions of methyl 2-[(diethoxyphosphoryl)methyl]benzoate under Horner–Wadsworth–Emmons conditions. Org Biomol Chem 2011; 9:4432-5. [DOI: 10.1039/c1ob05506b] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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27
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Ejiri S, Odo S, Takahashi H, Nishimura Y, Gotoh K, Nishihara Y, Takagi K. Negishi alkyl-aryl cross-coupling catalyzed by Rh: efficiency of novel tripodal 3-diphenylphosphino-2-(diphenylphosphino)methyl-2-methylpropyl acetate ligand. Org Lett 2010; 12:1692-5. [PMID: 20225837 DOI: 10.1021/ol100210u] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
3-Diphenylphosphino-2-(diphenylphoshino)methyl-2-methylpropyl acetate acted as an efficient ligand for a Rh catalyst, achieving cross-coupling between arylzinc compounds bearing electron-withdrawing groups and alkyl electrophiles. The beneficial effect of the tripodal ligand and such aryl nucleophiles was discussed with regard to the specificity of the Rh catalysis.
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Affiliation(s)
- Syogo Ejiri
- Department of Chemistry, Faculty of Science, Okayama University, Tsushima-Naka, Okayama 700-8530, Japan
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28
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Hasník Z, Pohl R, Hocek M. Synthesis of (purin-6-yl)methylphosphonate bases and nucleosides. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.02.167] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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