1
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Liu H, Huang H. Construction of Bidentate Phosphines Enabled by Photoinduced Reductive Diphosphination of Alkenes. Chemistry 2024; 30:e202304109. [PMID: 38340028 DOI: 10.1002/chem.202304109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 01/24/2024] [Accepted: 02/10/2024] [Indexed: 02/12/2024]
Abstract
The diphosphination of alkenes through a radical pathway offers a promising approach for the rapid construction of aryl bisphosphines. However, such a synthetic strategy has not been successfully applied to the preparation of alkyl bisphosphines, partially due to the difficulties in the generation of phosphorus-centered radicals from common alkyl phosphine compounds. We herein demonstrate that this challenge can be overcome by hiring Janus-faced chlorophosphine as the phosphine source that can act as not only a radical precursor to generate phosphine-centered radicals but also a radicalphile to capture alkyl radicals. With this novel strategy, a photocatalyzed reductive diphosphination reaction has been established, allowing for a straightforward synthesis of both aryl and alkyl 1,2-bisphosphines from readily accessible alkenes and chlorophosphines.
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Affiliation(s)
- Hongchi Liu
- Key Laboratory of Precision and Intelligent Chemistry, Department of Chemistry, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Hanmin Huang
- Key Laboratory of Precision and Intelligent Chemistry, Department of Chemistry, University of Science and Technology of China, Hefei, 230026, P. R. China
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education, Huaibei Normal University, Huaibei, 235000, P. R. China
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2
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Sun H, Wang J, Du Z, Zhang K, Hu J, Jing S. Direct Synthesis of Tertiary Phosphines via Alkoxide-Mediated Deborylative Phosphination of Organoboronates. Org Lett 2024; 26:1618-1622. [PMID: 38367253 DOI: 10.1021/acs.orglett.4c00001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2024]
Abstract
The direct transformation of alkylboron has emerged as a versatile and powerful methodology for creating carbon-carbon and carbon-heteroatom bonds. However, its potential application in the formation of carbon and phosphorus remains unexplored. In this study, we present an alkoxide base-promoted reaction system that enables deborylative phosphination of benzylic organoboronates and geminal bis(boronates) via selective C-B bond cleavage. This approach allows for the synthesis of valuable tertiary phosphines in good yields under mild conditions. The practicality and industrial potential of this approach are underscored by the operational simplicity, broad substrate scope, and easy scalability.
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Affiliation(s)
- Huaxing Sun
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Puzhu Roads 30, Nanjing 211816, China
| | - Jing Wang
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Puzhu Roads 30, Nanjing 211816, China
| | - Zihang Du
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Puzhu Roads 30, Nanjing 211816, China
| | - Kun Zhang
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Puzhu Roads 30, Nanjing 211816, China
| | - Jiefeng Hu
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Puzhu Roads 30, Nanjing 211816, China
- State Key Laboratory of Organic Electronics and Information Displays, College of Chemistry and Life Sciences, Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, China
| | - Su Jing
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Puzhu Roads 30, Nanjing 211816, China
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3
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Ogawa A, Yamamoto Y. Multicomponent Reactions between Heteroatom Compounds and Unsaturated Compounds in Radical Reactions. Molecules 2023; 28:6356. [PMID: 37687185 PMCID: PMC10488953 DOI: 10.3390/molecules28176356] [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: 07/03/2023] [Revised: 08/18/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023] Open
Abstract
In this mini-review, we present our concepts for designing multicomponent reactions with reference to a series of sequential radical reactions that we have developed. Radical reactions are well suited for the design of multicomponent reactions due to their high functional group tolerance and low solvent sensitivity. We have focused on the photolysis of interelement compounds with a heteroatom-heteroatom single bond, which readily generates heteroatom-centered radicals, and have studied the photoinduced radical addition of interelement compounds to unsaturated compounds. First, the background of multicomponent radical reactions is described, and basic concepts and methodology for the construction of multicomponent reactions are explained. Next, examples of multicomponent reactions involving two interelement compounds and one unsaturated compound are presented, as well as examples of multicomponent reactions involving one interelement compound and two unsaturated compounds. Furthermore, multicomponent reactions involving intramolecular cyclization processes are described.
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Affiliation(s)
- Akiya Ogawa
- Organization for Research Promotion, Osaka Metropolitan University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Yuki Yamamoto
- Graduate Faculty of Interdisciplinary Research, University of Yamanashi, 4-4-37 Takeda, Kofu 400-8510, Japan;
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4
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Xia GD, Liu ZK, Zhao YL, Jia FC, Hu XQ. Radical Phosphorylation of Aliphatic C-H Bonds via Iron Photocatalysis. Org Lett 2023; 25:5279-5284. [PMID: 37431881 DOI: 10.1021/acs.orglett.3c01824] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/12/2023]
Abstract
The synthesis of tertiary phosphines(III) has been a long-standing challenge in synthetic chemistry because of inevitable issues including harsh conditions, sensitive organometallic reagents, and prefunctionalized substrates in traditional synthesis. Herein, we report a strategically novel C(sp3)-H bond phosphorylation that enables the assembly of structurally diverse tertiary phosphines(III) from industrial phosphine(III) sources under mild photocatalytic conditions. The merger of ligand-to-metal charge transfer (LMCT) of FeCl3 with the hydrogen atom-transfer (HAT) process is the key for the generation of alkyl radicals from hydrocarbons. Strikingly, this catalytic system can be successfully applied for the polymerization of electron-deficient alkenes.
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Affiliation(s)
- Guang-Da Xia
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Zi-Kui Liu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Yu-Lian Zhao
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Feng-Cheng Jia
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan, 430205, China
| | - Xiao-Qiang Hu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, China
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5
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Wang C, Ge Q, Xu C, Xing Z, Xiong J, Zheng Y, Duan WL. Photoinduced Copper-Catalyzed C(sp 3)-P Bond Formation by Coupling of Secondary Phosphines with N-(Acyloxy)phthalimides and N-Fluorocarboxamides. Org Lett 2023; 25:1583-1588. [PMID: 36826372 DOI: 10.1021/acs.orglett.3c00475] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
A photoinduced copper-catalyzed C(sp3)-P bond formation has been developed by using N-(acyloxy)phthalimides as radical precursors and secondary phosphine boranes as coupling partners. A variety of alkyl carboxylic acid derivatives can be readily transformed into the corresponding phosphines with high reaction efficiency and structural diversity. Besides, utilizing the 1,5-HAT of the N-centered radical process, the δ C(sp3)-H bond can be coupled with secondary phosphines, which provides a novel method for the regioselective formation of C(sp3)-P bonds.
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Affiliation(s)
- Chuanyong Wang
- College of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, Yangzhou 225002, China
| | - Qiangqiang Ge
- College of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, Yangzhou 225002, China
| | - Cheng Xu
- College of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, Yangzhou 225002, China
| | - Zhongqiu Xing
- College of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, Yangzhou 225002, China
| | - Jianqi Xiong
- College of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, Yangzhou 225002, China
| | - Yu Zheng
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Wei-Liang Duan
- College of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, Yangzhou 225002, China.,School of Chemistry and Chemical Engineering, Shaanxi Normal University, 620 Xi Changan Street, Xi'an 710119, China
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6
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Li CK, Tao ZK, Shoberu A, Zhang W, Zou JP. Copper-Catalyzed Cross-Coupling of Alkyl and Phosphorus Radicals for C(sp 3)-P Bond Formation. Org Lett 2022; 24:6083-6087. [PMID: 35950907 DOI: 10.1021/acs.orglett.2c02454] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
A CuI-catalyzed cross-coupling of alkyl- and phosphorus-centered radicals for C(sp3)-P bond formation is introduced. Diacyl peroxides, generated in situ from aliphatic acids and H2O2, serve as a source for alkyl radicals and also an initiator for the generation of phosphorus radicals from H-P(O) compounds.
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Affiliation(s)
- Cheng-Kun Li
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry and Chemical Engineering, Soochow University, Suzhou, Jiangsu 215123, China
| | - Ze-Kun Tao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry and Chemical Engineering, Soochow University, Suzhou, Jiangsu 215123, China
| | - Adedamola Shoberu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry and Chemical Engineering, Soochow University, Suzhou, Jiangsu 215123, China
| | - Wei Zhang
- Department of Chemistry, University of Massachusetts Boston, Boston, Massachusetts 02125, United States
| | - Jian-Ping Zou
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry and Chemical Engineering, Soochow University, Suzhou, Jiangsu 215123, China
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7
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Yamamoto Y, Kawaguchi SI, Nishimura M, Sato Y, Shimada Y, Tabuchi A, Nomoto A, Ogawa A. Phosphorus-Recycling Wittig Reaction: Design and Facile Synthesis of a Fluorous Phosphine and Its Reusable Process in the Wittig Reaction. J Org Chem 2020; 85:14684-14696. [PMID: 33166463 DOI: 10.1021/acs.joc.0c01926] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This study shows that phosphorus sources can be recycled using the appropriate fluorous phosphine in the Wittig reaction. The designed fluorous phosphine, which has an ethylene spacer between its phosphorus atom and the perfluoroalkyl group, was synthesized from air-stable phosphine reagents. The synthesized phosphine can be used for the Wittig reaction process to obtain various alkenes in adequate yields and stereoselectivity. The concomitantly formed fluorous phosphine oxide was extracted from the reaction mixture using a fluorous biphasic system. The fluorous phosphine was regenerated by reducing the fluorous phosphine oxide with diisobutylaluminum hydride. Finally, a series of gram scale phosphorus recycling processes were performed, which included the Wittig reaction, separation, reduction, and reuse.
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Affiliation(s)
- Yuki Yamamoto
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Shin-Ichi Kawaguchi
- Center for Education and Research in Agricultural Innovation, Faculty of Agriculture, Saga University, 152-1 Shonan-cho Karatsu, Saga 847-0021, Japan
| | - Misaki Nishimura
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Yuki Sato
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Yoshihisa Shimada
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Akihiro Tabuchi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Akihiro Nomoto
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Akiya Ogawa
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
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8
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Yamamoto Y, Kawaguchi SI, Kodama S, Nomoto A, Ogawa A. Highly Selective Hydroiodination of Carbon-Carbon Double or Triple Bonds. CURR ORG CHEM 2020. [DOI: 10.2174/1385272824666191227111257] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Iodine is an element that exhibits characteristic features of heavy halogen, and
several compounds containing iodine constitute important synthetic intermediates due to
synthetically easy manipulation. To utilize iodine units for organic synthesis, a highly regio-
and stereoselective introduction of iodine to versatile building blocks is significant,
and a lot of research works for the selective introduction of iodine to alkynes or alkenes
have been conducted. In this review article, we describe regio- and stereoselective hydroiodination
to multiple bonds of building blocks, and its synthetic applications as key
intermediates to construct several important compounds in organic chemistry.
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Affiliation(s)
- Yuki Yamamoto
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Osaka 599-8531, Japan
| | - Shin-ichi Kawaguchi
- Center for Education and Research in Agricultural Innovation, Faculty of Agriculture, Saga University, Saga 847-0021, Japan
| | - Shintaro Kodama
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Osaka 599-8531, Japan
| | - Akihiro Nomoto
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Osaka 599-8531, Japan
| | - Akiya Ogawa
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Osaka 599-8531, Japan
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9
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Huchenski BSN, Robertson KN, Speed AWH. Functionalization of Bis‐Diazaphospholene P–P Bonds with Diverse Electrophiles. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000880] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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10
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Jin S, Haug GC, Nguyen VT, Flores-Hansen C, Arman HD, Larionov OV. Decarboxylative Phosphine Synthesis: Insights into the Catalytic, Autocatalytic, and Inhibitory Roles of Additives and Intermediates. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03366] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Shengfei Jin
- Department of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Graham C. Haug
- Department of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Vu T. Nguyen
- Department of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Carsten Flores-Hansen
- Department of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Hadi D. Arman
- Department of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Oleg V. Larionov
- Department of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
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11
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Begum F, Ikram M, Twamley B, Baker RJ. Perfluorinated phosphine and hybrid P-O ligands for Pd catalysed C-C bond forming reactions in solution and on Teflon supports. RSC Adv 2019; 9:28936-28945. [PMID: 35528399 PMCID: PMC9071828 DOI: 10.1039/c9ra04863d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 09/08/2019] [Indexed: 11/21/2022] Open
Abstract
The synthesis of two types of phosphine ligands that feature perfluorinated ponytails is reported. A bidentate (RfCH2CH2)2PCH2CH2P(CH2CH2Rf)2 (Rf = CF3(CF2) n ; n = 5, 7) and an alkoxyphosphine made by ring opening a fluorous epoxide, RfCH2CH(OH)CH2PR2 (Rf = CF3(CF2)7), have been prepared and spectroscopically characterised. The electronic effects of the fluorous chains have been elucidated from either the 1 J Pt-P or 1 J P-Se coupling constants in Pt(ii) or phosphine selenide compounds. Whilst the bidentate phosphines do not give stable or active Pd catalysts, the hybrid ligand does allow Susuki, Heck and Sonogashira catalysis to be demonstrated with low catalyst loadings and good turnovers. Whilst a fluorous extraction methodology does not give good performance, the ligand can be adsorbed onto Teflon tape and for the Suzuki cross coupling reaction the catalytic system can be run 6 times before activity drops and this has been traced to oxidation of the ligand. Additionally the crystal structure of the hybrid phosphine oxide is reported and the non-covalent interactions discussed.
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Affiliation(s)
- Farzana Begum
- School of Chemistry, University of Dublin Trinity College Dublin 2 Ireland
- Department of Chemistry, Mirpur University of Science and Technology Mirpur AJK Pakistan
| | - Muhammad Ikram
- School of Chemistry, University of Dublin Trinity College Dublin 2 Ireland
- Department of Chemistry, Abdul Wali Khan University Mardan Pakistan
| | - Brendan Twamley
- School of Chemistry, University of Dublin Trinity College Dublin 2 Ireland
| | - Robert J Baker
- School of Chemistry, University of Dublin Trinity College Dublin 2 Ireland
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12
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Affiliation(s)
- Shin‐ichi Kawaguchi
- Education and Research in Agricultural InnovationFaculty of AgricultureSaga University 152-1 Shonan-cho Karatsu Saga 847-0021 Japan
| | - Akiya Ogawa
- Department of Applied ChemistryGraduate School of EngineeringOsaka Prefecture University 1-1 Gakuen-cho, Nakaku, Sakai Osaka 599-8531 Japan
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13
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Zhu Y, Wu X, Abed M, Gu S, Pu L. Biphasic Enantioselective Fluorescent Recognition of Amino Acids by a Fluorophilic Probe. Chemistry 2019; 25:7866-7873. [DOI: 10.1002/chem.201900880] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 03/19/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Yuan‐Yuan Zhu
- School of Chemistry and Environmental Engineering Wuhan Institute of Technology Wuhan 430205 P. R. China
- Department of Chemistry University of Virginia Charlottesville Virginia 22904 USA
| | - Xue‐Dan Wu
- Department of Chemistry University of Virginia Charlottesville Virginia 22904 USA
| | - Mehdi Abed
- Department of Chemistry University of Virginia Charlottesville Virginia 22904 USA
| | - Shuang‐Xi Gu
- Department of Chemistry University of Virginia Charlottesville Virginia 22904 USA
- Key Laboratory for Green Chemical Process of Ministry of Education School of Chemical Engineering and Pharmacy Wuhan Institute of Technology Wuhan 430205 P. R. China
| | - Lin Pu
- Department of Chemistry University of Virginia Charlottesville Virginia 22904 USA
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14
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Abstract
In addition to the underlying basic concepts and early recognition of halogen bonding, this paper reviews the conflicting views that consistently appear in the area of noncovalent interactions and the ability of covalently bonded halogen atoms in molecules to participate in noncovalent interactions that contribute to packing in the solid-state. It may be relatively straightforward to identify Type-II halogen bonding between atoms using the conceptual framework of σ-hole theory, especially when the interaction is linear and is formed between the axial positive region (σ-hole) on the halogen in one monomer and a negative site on a second interacting monomer. A σ-hole is an electron density deficient region on the halogen atom X opposite to the R–X covalent bond, where R is the remainder part of the molecule. However, it is not trivial to do so when secondary interactions are involved as the directionality of the interaction is significantly affected. We show, by providing some specific examples, that halogen bonds do not always follow the strict Type-II topology, and the occurrence of Type-I and -III halogen-centered contacts in crystals is very difficult to predict. In many instances, Type-I halogen-centered contacts appear simultaneously with Type-II halogen bonds. We employed the Independent Gradient Model, a recently proposed electron density approach for probing strong and weak interactions in molecular domains, to show that this is a very useful tool in unraveling the chemistry of halogen-assisted noncovalent interactions, especially in the weak bonding regime. Wherever possible, we have attempted to connect some of these results with those reported previously. Though useful for studying interactions of reasonable strength, IUPAC’s proposed “less than the sum of the van der Waals radii” criterion should not always be assumed as a necessary and sufficient feature to reveal weakly bound interactions, since in many crystals the attractive interaction happens to occur between the midpoint of a bond, or the junction region, and a positive or negative site.
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15
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Gorman AD, Cross JA, Doyle RA, Leonard TR, Pringle PG, Sparkes HA. Phosphophosphidites Derived from BINOL. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201900032] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Adam D. Gorman
- School of Chemistry University of Bristol Cantock's Close 1TS Bristol BS8 UK
| | - Jessica A. Cross
- School of Chemistry University of Bristol Cantock's Close 1TS Bristol BS8 UK
| | - Rachel A. Doyle
- School of Chemistry University of Bristol Cantock's Close 1TS Bristol BS8 UK
| | - Tom R. Leonard
- School of Chemistry University of Bristol Cantock's Close 1TS Bristol BS8 UK
| | - Paul G. Pringle
- School of Chemistry University of Bristol Cantock's Close 1TS Bristol BS8 UK
| | - Hazel A. Sparkes
- School of Chemistry University of Bristol Cantock's Close 1TS Bristol BS8 UK
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16
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Hussein S, Priester D, Beet P, Cottom J, Hart SJ, James T, Thatcher RJ, Whitwood AC, Slattery JM. Filling a Niche in "Ligand Space" with Bulky, Electron-Poor Phosphorus(III) Alkoxides. Chemistry 2019; 25:2262-2271. [PMID: 30394591 DOI: 10.1002/chem.201804805] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 11/02/2018] [Indexed: 01/07/2023]
Abstract
The chemistry of phosphorus(III) ligands, which are of key importance in coordination chemistry, organometallic chemistry and catalysis, is dominated by relatively electron-rich species. Many of the electron-poor PIII ligands that are readily available have relatively small steric profiles. As such, there is a significant gap in "ligand space" where more sterically bulky, electron-poor PIII ligands are needed. This contribution discusses the coordination chemistry, steric and electronic properties of PIII ligands bearing highly fluorinated alkoxide groups of the general form PRn (ORF )3-n , where R=Ph, RF =C(H)(CF3 )2 and C(CF3 )3 ; n=1-3. These ligands are simple to synthesize and a range of experimental and theoretical methods suggest that their steric and electronic properties can be "tuned" by modification of their substituents, making them excellent candidates for large, electron-poor ligands.
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Affiliation(s)
- Sharifa Hussein
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
| | - Denis Priester
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
| | - Paul Beet
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
| | - Jonathon Cottom
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
| | - Sam J Hart
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
| | - Tim James
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
| | - Robert J Thatcher
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
| | - Adrian C Whitwood
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
| | - John M Slattery
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
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17
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Yamada S, Kinoshita K, Iwama S, Yamazaki T, Kubota T, Yajima T, Yamamoto K, Tahara S. Synthesis of perfluoroalkylated pentacenes and evaluation of their fundamental physical properties. Org Biomol Chem 2018; 15:2522-2535. [PMID: 28256673 DOI: 10.1039/c7ob00043j] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Symmetrical and unsymmetrical pentacenes carrying two perfluoroalkyl (Rf) chains, at the 6 and 13 positions, were synthesized from easily available pentacene-6,13-quinone via facile three or four step reactions. After extensive evaluation, it was clearly found that the control of both the electron density of the aromatic rings on the pentacene core and molecular alignment in the crystalline state nicely affected their physical properties. Thus, we successfully prove in this article that (1) their anti-oxidation ability was significantly enhanced due to a decrease in the HOMO and LUMO energy and (2) a distinct difference in charge-transporting properties was observed between the symmetrical and unsymmetrical pentacenes.
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Affiliation(s)
- Shigeyuki Yamada
- Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei 184-8588, Japan.
| | - Keita Kinoshita
- Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei 184-8588, Japan.
| | - Shota Iwama
- Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei 184-8588, Japan.
| | - Takashi Yamazaki
- Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei 184-8588, Japan.
| | - Toshio Kubota
- Department of Biomolecular Functional Engineering, Ibaraki University, Nakanarusawa 4-12-1, Hitachi 316-8511, Japan
| | - Tomoko Yajima
- Department of Chemistry, Faculty of Science, Ochanomizu University, Otsuka, Bunkyo-ku, Tokyo 112-8610, Japan
| | - Kyoko Yamamoto
- Research Center, Asahi Glass Co., Ltd., Hazawa-cho, Kanagawa-ku, Yokohama-shi, Kanagawa 221-8775, Japan
| | - Shinya Tahara
- Research Center, Asahi Glass Co., Ltd., Hazawa-cho, Kanagawa-ku, Yokohama-shi, Kanagawa 221-8775, Japan
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18
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Wang X, Studer A. Regio- and Stereoselective Radical Perfluoroalkyltriflation of Alkynes Using Phenyl(perfluoroalkyl)iodonium Triflates. Org Lett 2017; 19:2977-2980. [PMID: 28517935 PMCID: PMC5460293 DOI: 10.1021/acs.orglett.7b01215] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
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A method
for regio- and stereoselective anti-addition of the perfluoroalkyl
and the triflate group of phenyl(perfluoroalkyl)iodonium
triflates to alkynes is presented. The radical reaction uses cheap
CuCl as a smart initiator and can be conducted in gram scale. The
perfluoroalkyltriflated products are readily further functionalized,
rendering this transformation valuable.
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Affiliation(s)
- Xi Wang
- Institute of Organic Chemistry, University of Münster , Corrensstrasse 40, 48149 Münster, Germany
| | - Armido Studer
- Institute of Organic Chemistry, University of Münster , Corrensstrasse 40, 48149 Münster, Germany
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19
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P-Fluorous Phosphines as Electron-Poor/Fluorous Hybrid Functional Ligands for Precious Metal Catalysts: Synthesis of Rh(I), Ir(I), Pt(II), and Au(I) Complexes Bearing P-Fluorous Phosphine Ligands. INORGANICS 2017. [DOI: 10.3390/inorganics5010005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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20
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Liu XH, Leng J, Jia SJ, Hao JH, Zhang F, Qin HL, Zhang CP. Copper-mediated aerobic iodination and perfluoroalkylation of boronic acids with (CF 3 ) 2 CFI at room temperature. J Fluor Chem 2016. [DOI: 10.1016/j.jfluchem.2016.07.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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21
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Abstract
The synthesis, some of the properties and the applications of fluorous phosphines in biphasic, organometallic and organo-catalysis were reviewed.
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Affiliation(s)
| | - István T. Horváth
- Department of Biology and Chemistry
- City University of Hong Kong
- Kowloon
- China
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22
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Brisdon AK, Ali Ghaba H, Beutel B, Ejgandi A, Egjandi A, Addaraidi A, Pritchard RG. Perfluoropropenyl-containing phosphines from HFC replacements. Dalton Trans 2015. [PMID: 26212860 DOI: 10.1039/c5dt02043c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of new perfluoropropenyl-containing phosphines of the type R3-nP(E-CF[double bond, length as m-dash]CFCF3)n (R = Ph, iPr, n = 1, 2; R = tBu, n = 2) have been prepared from the reaction of the hydrofluoroolefin Z-CF3CF[double bond, length as m-dash]CFH (HFO-1225ye) with base and the appropriate chlorophosphine, while reaction with Cl2PCH2CH2PCl2 gave (CF3CF[double bond, length as m-dash]CF)2PCH2CH2P(CF[double bond, length as m-dash]CFCF3)2, the first example of a bidentate perfluoroalkenyl-containing phosphine. An alternative route to these phosphines based on the room- or low-temperature deprotonation of CF3CF2CH2F (HFC-236ea) gives mainly the E-isomer, but also a small amount of the Z-isomer, the ratio of which depends on the reaction temperature. All of the phosphines could be readily oxidised with either H2O2 or urea·H2O2, and the phosphine selenides R3-nP(Se)(E-CF[double bond, length as m-dash]CFCF3)n (R = Ph, n = 1,2; R = iPr, n = 1; R = tBu, n = 2) were also prepared. The steric and electronic properties of these ligands were determined based on their platinum(ii), palladium(ii) and molybdenum carbonyl complexes. The crystal structures of (CF3CF[double bond, length as m-dash]CF)2PCH2CH2P(CF[double bond, length as m-dash]CFCF3)2, (CF3CF[double bond, length as m-dash]CF)2P(O)CH2CH2P(O)(CF[double bond, length as m-dash]CFCF3)2, iPr2P(Se)(CF[double bond, length as m-dash]CFCF3)2, trans-[PtCl2{Ph(3-n)P(E-CF[double bond, length as m-dash]CFCF3)n}2] (n = 1 or 2), trans-[PdCl2{R2P(E-CF[double bond, length as m-dash]CFCF3)}2] (R = Ph, iPr) and [Mo(CO)4{(CF3CF[double bond, length as m-dash]CF)2PCH2CH2P(CF[double bond, length as m-dash]CFCF3)2}] are reported.
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Affiliation(s)
- Alan K Brisdon
- School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
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23
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Kenaree AR, Cuthbert TJ, Barbon SM, Boyle PD, Gillies ER, Ragogna PJ, Gilroy JB. Synthesis and Characterization of a Family of Air-Stable Ferrocene- and Ruthenocene-Containing Primary, Secondary, and Tertiary Phosphines. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00496] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
| | | | | | | | - Elizabeth R. Gillies
- Department
of Chemical and Biochemical Engineering, The University of Western Ontario, 1151 Richmond Street N., London, Ontario, Canada N6A 5B9
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24
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Kawaguchi SI, Minamida Y, Okuda T, Sato Y, Saeki T, Yoshimura A, Nomoto A, Ogawa A. Photoinduced Synthesis ofP-Perfluoroalkylated Phosphines from Triarylphosphines and Their Application in the Copper-Free Cross-Coupling of Acid Chlorides and Terminal Alkynes. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500294] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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25
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Liu C, Shi E, Xu F, Luo Q, Wang H, Chen J, Wan X. Combination of fluoroalkylation and Kornblum–DeLaMare reaction: a new strategy for the construction of (Z)-β-perfluoroalkyl enaminones. Chem Commun (Camb) 2015; 51:1214-7. [DOI: 10.1039/c4cc07833k] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A novel strategy has been developed for the highly chemo- and stereo-selective synthesis of (Z)-β-perfluoroalkyl enaminones via a multicomponent radical reaction involving sequential fluoroalkylation and Kornblum–DeLaMare reaction.
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Affiliation(s)
- Chunmei Liu
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- 215123 Suzhou
| | - Erbo Shi
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- 215123 Suzhou
| | - Feng Xu
- SABIC Technology Center
- Riyadh 11551
- Saudi Arabia
| | - Qiang Luo
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- 215123 Suzhou
| | - Hongxiang Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- 215123 Suzhou
| | - Jijun Chen
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- 215123 Suzhou
| | - Xiaobing Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- 215123 Suzhou
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26
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Sato Y, Kawaguchi SI, Ogawa A. Photoinduced reductive perfluoroalkylation of phosphine oxides: synthesis of P-perfluoroalkylated phosphines using TMDPO and perfluoroalkyl iodides. Chem Commun (Camb) 2015; 51:10385-8. [DOI: 10.1039/c5cc03427b] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
P-Perfluoroalkylphosphines are synthesized by photoreaction between TMDPO and perfluoroalkyl iodides, with the reduction of phosphine oxides.
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Affiliation(s)
- Yuki Sato
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai
- Japan
| | - Shin-ichi Kawaguchi
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai
- Japan
| | - Akiya Ogawa
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai
- Japan
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27
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McAtee JR, Yap GPA, Watson DA. Rational design of a second generation catalyst for preparation of allylsilanes using the silyl-Heck reaction. J Am Chem Soc 2014; 136:10166-72. [PMID: 25003502 PMCID: PMC4105080 DOI: 10.1021/ja505446y] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
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Using
rational ligand design, we have developed of a second-generation
ligand, bis(3,5-di-tert-butylphenyl)(tert-butyl)phosphine, for the preparation of allylsilanes using the palladium-catalyzed
silyl-Heck reaction. This new ligand provides nearly complete suppression
of starting material alkene isomerization that was observed with our
first-generation catalyst, providing vastly improved yields of allylsilanes
from simple alkene starting materials. The studies quantifying the
electronic and steric properties of the new ligand are described.
Finally, we report an X-ray crystal structure of a palladium complex
resulting from the oxidative addition of Me3SiI using an
analogous ligand that provides significant insight into the nature
of the catalytic system.
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Affiliation(s)
- Jesse R McAtee
- Department of Chemistry and Biochemistry, University of Delaware , Newark, Delaware 19716, United States
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28
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Nomoto A, Ogawa A. Synthesis and Molecular Structures of ^|^pi;-Conjugated Systems Containing Chalcogen Atoms. J SYN ORG CHEM JPN 2014. [DOI: 10.5059/yukigoseikyokaishi.72.910] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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29
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Yorimitsu H. Homolytic substitution at phosphorus for C-P bond formation in organic synthesis. Beilstein J Org Chem 2013; 9:1269-77. [PMID: 23843922 PMCID: PMC3701419 DOI: 10.3762/bjoc.9.143] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2013] [Accepted: 06/07/2013] [Indexed: 11/23/2022] Open
Abstract
Organophosphorus compounds are important in organic chemistry. This review article covers emerging, powerful synthetic approaches to organophosphorus compounds by homolytic substitution at phosphorus with a carbon-centered radical. Phosphination reagents include diphosphines, chalcogenophosphines and stannylphosphines, which bear a weak P–heteroatom bond for homolysis. This article deals with two transformations, radical phosphination by addition across unsaturated C–C bonds and substitution of organic halides.
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Affiliation(s)
- Hideki Yorimitsu
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan ; ACT-C, Japan Science and Technology Agency, Sakyo-ku, Kyoto 606-8502, Japan
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