1
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Lei T, Graf S, Schöll C, Krätzschmar F, Gregori B, Appleson T, Breder A. Asymmetric Photoaerobic Lactonization and Aza-Wacker Cyclization of Alkenes Enabled by Ternary Selenium-Sulfur Multicatalysis. ACS Catal 2023; 13:16240-16248. [PMID: 38125978 PMCID: PMC10729055 DOI: 10.1021/acscatal.3c04443] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/28/2023] [Accepted: 10/30/2023] [Indexed: 12/23/2023]
Abstract
An adaptable, sulfur-accelerated photoaerobic selenium-π-acid ternary catalyst system for the enantioselective allylic redox functionalization of simple, nondirecting alkenes is reported. In contrast to related photoredox catalytic methods, which largely depend on olefinic substrates with heteroatomic directing groups to unfold high degrees of stereoinduction, the current protocol relies on chiral, spirocyclic selenium-π-acids that covalently bind to the alkene moiety. The performance of this ternary catalytic method is demonstrated in the asymmetric, photoaerobic lactonization and cycloamination of enoic acids and unsaturated sulfonamides, respectively, leading to an averaged enantiomeric ratio (er) of 92:8. Notably, this protocol provides for the first time an asymmetric, catalytic entryway to pharmaceutically relevant 3-pyrroline motifs, which was used as a platform to access a 3,4-dihydroxyproline derivative in only seven steps with a 92:8 er.
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Affiliation(s)
| | | | - Christopher Schöll
- Institut Für Organische
Chemie, Universität Regensburg, Universitätstrasse 31, 93053 Regensburg, Germany
| | - Felix Krätzschmar
- Institut Für Organische
Chemie, Universität Regensburg, Universitätstrasse 31, 93053 Regensburg, Germany
| | - Bernhard Gregori
- Institut Für Organische
Chemie, Universität Regensburg, Universitätstrasse 31, 93053 Regensburg, Germany
| | - Theresa Appleson
- Institut Für Organische
Chemie, Universität Regensburg, Universitätstrasse 31, 93053 Regensburg, Germany
| | - Alexander Breder
- Institut Für Organische
Chemie, Universität Regensburg, Universitätstrasse 31, 93053 Regensburg, Germany
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2
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Chen C, Lu C, Zhao B. Deoxygenative Hydroboration of Aromatic Nitro Compounds Catalyzed by Tetra(diisopropylamido) Rare-Earth Metal-Lithium Bimetallic Complexes. J Org Chem 2023; 88:16391-16399. [PMID: 37948672 DOI: 10.1021/acs.joc.3c01905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
The first example of the reduction of a nitro compound with HBPin catalyzed by tetra(diisopropylamido) rare-earth metal-lithium bimetallic complexes LiRE(NiPr2)4(THF) (RE = La, Nd, Sm, Gd, and Y) was disclosed. A series of aromatic nitro compounds were reduced to N-borylamines in high yields (up to 99%). The derivatives of N-borylamines─amides and carbamates─were obtained in a sequential one-pot manner. Furthermore, kinetic studies of the deoxygenative hydroboration of nitro compounds were carried out.
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Affiliation(s)
- Chuanling Chen
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Chengrong Lu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Bei Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
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3
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Yin K, Wei M, Wang Z, Luo W, Li L. Tertiary Amine-Mediated Reductions of Phosphine Oxides to Phosphines. Org Lett 2023; 25:5236-5241. [PMID: 37428151 DOI: 10.1021/acs.orglett.3c01690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/11/2023]
Abstract
The reduction of phosphine oxides without the use of highly reactive reductants represents a safer and more sustainable solution for recycling of organophosphorus compounds. Herein, we disclose an N,N,N',N'-tetramethylethylenediamine (TMEDA)-mediated reduction via an unusual intermolecular hydride transfer. Mechanistic studies suggest that TMEDA serves as a hydride donor, while the P(V) halophosphonium salt acts as the hydride acceptor. This methodology provides a scalable and efficient protocol to reduce phosphine oxides under mild conditions.
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Affiliation(s)
- Keshu Yin
- PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Mingjie Wei
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, P. R. China
| | - Zhenguo Wang
- PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Wenjun Luo
- PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Le Li
- PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
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4
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Dey S, Panja D, Sau A, Thakur SD, Kundu S. Reusable Cobalt-Catalyzed Selective Transfer Hydrogenation of Azoarenes and Nitroarenes. J Org Chem 2023. [PMID: 37390049 DOI: 10.1021/acs.joc.3c00875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2023]
Abstract
Herein, control transfer hydrogenation (TH) of azoarenes to hydrazo compounds is established employing easy-to-synthesize reusable cobalt catalyst using lower amounts of N2H4·H2O under mild conditions. With this effective methodology, a library of symmetrical and unsymmetrical azoarene derivatives was successfully converted to their corresponding hydrazo derivatives. Further, this protocol was extended to the TH of nitroarenes to amines with good-to-excellent yields. Several kinetic studies along with Hammett studies were carried out to understand the plausible mechanism and the electronic effects in this transformation. This inexpensive catalyst can be recycled up to five times without considerable loss of catalytic activity.
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Affiliation(s)
- Sadhan Dey
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
| | - Dibyajyoti Panja
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
| | - Anirban Sau
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
| | - Seema D Thakur
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
| | - Sabuj Kundu
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
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5
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Großmann LM, Beier V, Duttenhofer L, Lennartz L, Opatz T. An Iodide-Mediated Anodic Amide Coupling. Chemistry 2022; 28:e202201768. [PMID: 35835720 PMCID: PMC9804404 DOI: 10.1002/chem.202201768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Indexed: 01/05/2023]
Abstract
The ubiquity of amide bonds, present in natural products and common pharmaceuticals renders this functional group one of the most prevalent in organic chemistry. Despite its importance and a wide variety of existing methods for its formation, the latter still can be a challenge for classical activating reagents such as chloridating agents or carbodiimides. As the spent reagents often cannot be recycled, the development of more sustainable methods is highly desirable. Herein, we report an operationally simple and mild indirect electrochemical protocol to effect the condensation of carboxylic acids with amines, forming a wide variety of carboxamides.
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Affiliation(s)
- Luca Marius Großmann
- Department of ChemistryJohannes Gutenberg University MainzDuesbergweg 10–1455128MainzGermany
| | - Vera Beier
- Department of ChemistryJohannes Gutenberg University MainzDuesbergweg 10–1455128MainzGermany
| | - Lea Duttenhofer
- Department of ChemistryJohannes Gutenberg University MainzDuesbergweg 10–1455128MainzGermany
| | - Laura Lennartz
- Department of ChemistryJohannes Gutenberg University MainzDuesbergweg 10–1455128MainzGermany
| | - Till Opatz
- Department of ChemistryJohannes Gutenberg University MainzDuesbergweg 10–1455128MainzGermany
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6
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Yang X, Lu D, Guan W, Yin SF, Kambe N, Qiu R. Synthesis of (Deoxy)difluoromethylated Phosphines by Reaction of R 2P(O)H with TMSCF 3 and Their Application in Cu(I) Clusters in Sonogashira Coupling. J Org Chem 2022; 87:7720-7733. [PMID: 35620903 DOI: 10.1021/acs.joc.2c00308] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
R2PCF2H ligands and their R2P(O)CF2H precursors were synthesized from R2P(O)H with TMSCF3 by simply modulating the H2O concentration via deoxydifluoromethylation and difluoromethylation. The air sensitive R2PCF2H phosphines can be stabilized in Cu(I) clusters as ligands. Within these Cu(I) clusters, the Sonogashira cross-coupling reaction can proceed fast and efficiently using terminal alkynes and aryl iodides within 15 min at room temperature under air to give a variety of diaryl(alkyl)acetylenes in good yields (49 examples, yields of ≤99%). Six of the internal alkynes present in drug precursors can be obtained using this protocol in good yields. The mechanism is proposed on the basis of control experiments.
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Affiliation(s)
- Xiaogang Yang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Dong Lu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Wenjian Guan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Shuang-Feng Yin
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Nobuaki Kambe
- The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki-shi, Osaka 567-0047, Japan
| | - Renhua Qiu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
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7
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Nagahara S, Okada Y, Kitano Y, Chiba K. Biphasic electrochemical peptide synthesis. Chem Sci 2021; 12:12911-12917. [PMID: 34745521 PMCID: PMC8513919 DOI: 10.1039/d1sc03023j] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 09/01/2021] [Indexed: 12/13/2022] Open
Abstract
The large amount of waste derived from coupling reagents is a serious drawback of peptide synthesis from a green chemistry viewpoint. To overcome this issue, we report an electrochemical peptide synthesis in a biphasic system. Anodic oxidation of triphenylphosphine (Ph3P) generates a phosphine radical cation, which serves as the coupling reagent to activate carboxylic acids, and produces triphenylphosphine oxide (Ph3P
Created by potrace 1.16, written by Peter Selinger 2001-2019
]]>
O) as a stoichiometric byproduct. In combination with a soluble tag-assisted liquid-phase peptide synthesis, the selective recovery of desired peptides and Ph3PO was achieved. Given that methods to reduce Ph3PO to Ph3P have been reported, Ph3PO could be a recyclable byproduct unlike byproducts from typical coupling reagents. Moreover, a commercial peptide active pharmaceutical ingredient (API), leuprorelin, was successfully synthesized without the use of traditional coupling reagents. The large amount of waste derived from coupling reagents is a serious drawback of peptide synthesis from a green chemistry viewpoint.![]()
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Affiliation(s)
- Shingo Nagahara
- Department of Applied Biological Science, Tokyo University of Agriculture and Technology 3-5-8- Saiwai-cho Fuchu Tokyo 183-8509 Japan
| | - Yohei Okada
- Department of Applied Biological Science, Tokyo University of Agriculture and Technology 3-5-8- Saiwai-cho Fuchu Tokyo 183-8509 Japan
| | - Yoshikazu Kitano
- Department of Applied Biological Science, Tokyo University of Agriculture and Technology 3-5-8- Saiwai-cho Fuchu Tokyo 183-8509 Japan
| | - Kazuhiro Chiba
- Department of Applied Biological Science, Tokyo University of Agriculture and Technology 3-5-8- Saiwai-cho Fuchu Tokyo 183-8509 Japan
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8
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Mkrtchyan S, Jakubczyk M, Lanka S, Yar M, Ayub K, Shkoor M, Pittelkow M, Iaroshenko VO. Mechanochemical Transformation of CF
3
Group: Synthesis of Amides and Schiff Bases. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100538] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Satenik Mkrtchyan
- Laboratory of Homogeneous Catalysis and Molecular Design at the Center of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 PL-90-363 Łodź Poland
| | - Michał Jakubczyk
- Laboratory of Homogeneous Catalysis and Molecular Design at the Center of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 PL-90-363 Łodź Poland
- Institute of Bioorganic Chemistry Polish Academy of Sciences Noskowskiego 12/14 61-704 Poznań Poland
| | - Suneel Lanka
- Laboratory of Homogeneous Catalysis and Molecular Design at the Center of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 PL-90-363 Łodź Poland
- Lodz University of Technology Żeromskiego str. 116 90-924 Lodz Poland
| | - Muhammad Yar
- COMSATS University Department of Chemistry Abbottabad Campus Abbottabad, KPK 22060 Pakistan
| | - Khurshid Ayub
- COMSATS University Department of Chemistry Abbottabad Campus Abbottabad, KPK 22060 Pakistan
| | - Mohanad Shkoor
- Department of Chemistry and Earth Sciences Qatar University P.O. Box 2713 Doha Qatar
| | - Michael Pittelkow
- University of Copenhagen Department of Chemistry Universitetsparken 5 2100 Copenhagen Denmark
| | - Viktor O. Iaroshenko
- Laboratory of Homogeneous Catalysis and Molecular Design at the Center of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 PL-90-363 Łodź Poland
- Department of Chemistry University of Helsinki A.I. Virtasen aukio 1 00014 Helsinki Finland
- Department of Chemistry, Faculty of Natural Sciences Matej Bel University Tajovkého 40 97401 Banska Bystrica Slovakia
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9
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Kharitonov VB, Runikhina SA, Nelyubina YV, Muratov DV, Chusov D, Loginov DA. Easy Access to Versatile Catalytic Systems for C-H Activation and Reductive Amination Based on Tetrahydrofluorenyl Rhodium(III) Complexes. Chemistry 2021; 27:10903-10912. [PMID: 33783057 DOI: 10.1002/chem.202100572] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Indexed: 12/15/2022]
Abstract
On the basis of the 1,2,3,4-tetrahydrofluorenyl ligand, a simple approach was developed to new effective rhodium catalysts for the construction of C-C and C-N bonds. The halide compounds [(η5 -tetrahydrofluorenyl)RhX2 ]2 (2 a: X=Br; 2 b: X=I) were synthesized by treatment of the bis(ethylene) derivative (η5 -tetrahydrofluorenyl)Rh(C2 H4 )2 (1 a) with halogens. An analogous reaction of the cyclooctadiene complex (η5 -tetrahydrofluorenyl)Rh(cod) (1 b) with I2 is complicated by the side formation of [(cod)RhI]2 . The reaction of 2 b with 2,2'-bipyridyl leads to cation [(η5 -tetrahydrofluorenyl)Rh(2,2'-bipyridyl)I]+ (3). The halide abstraction from 2 a,b with thallium or silver salts allowed us to prepare sandwich compounds with incoming cyclopentadienyl, dicarbollide and mesityleneligands [(η5 -tetrahydrofluorenyl)RhCp]+ (4), (η5 -tetrahydrofluorenyl)Rh(η-7,8-C2 B9 H11 ) (5), and [(η5 -tetrahydrofluorenyl)Rh(η-mesitylene)]2+ (6). The structures of 1 b, 2 b ⋅ 2I2 , 3PF6 , 4TlI4 , 5, and [(cod)RhI]2 were determined by X-ray diffraction. Compounds 2 a,b efficiently catalyze the oxidative coupling of benzoic acids with alkynes to selectively give isocoumarins or naphthalenes, depending on the reaction temperature. Moreover, they showed moderate catalytic activity in other annulations of alkynes with aromatic compounds (such as benzamide, acetanilide, etc.) which proceed through CH activation. Compound 2 b also effectively catalyzes the reductive amination of aldehydes and ketones in the presence of carbon monoxide and water via water-gas shift reaction, giving amines in high yields (67-99 %).
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Affiliation(s)
- Vladimir B Kharitonov
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, ul. Vavilova 28, 119991, Moscow, Russian Federation.,Dmitry Mendeleev University of Chemical Technology of Russia, Miusskaya sq. 9, Moscow, 125047, Russian Federation
| | - Sofiya A Runikhina
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, ul. Vavilova 28, 119991, Moscow, Russian Federation
| | - Yulia V Nelyubina
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, ul. Vavilova 28, 119991, Moscow, Russian Federation
| | - Dmitry V Muratov
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, ul. Vavilova 28, 119991, Moscow, Russian Federation
| | - Denis Chusov
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, ul. Vavilova 28, 119991, Moscow, Russian Federation.,G.V. Plekhanov Russian University of Economics, 36 Stremyanny Per., Moscow, 117997, Russian Federation
| | - Dmitry A Loginov
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, ul. Vavilova 28, 119991, Moscow, Russian Federation.,G.V. Plekhanov Russian University of Economics, 36 Stremyanny Per., Moscow, 117997, Russian Federation
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10
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Liu Y, Miao W, Tang W, Xue D, Xiao J, Wang C, Li C. Rhodium-terpyridine Catalyzed Transfer Hydrogenation of Aromatic Nitro Compounds in Water. Chem Asian J 2021; 16:1725-1729. [PMID: 33950565 DOI: 10.1002/asia.202100321] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Revised: 05/02/2021] [Indexed: 11/10/2022]
Abstract
A rhodium terpyridine complex catalyzed transfer hydrogenation of nitroarenes to anilines with i-PrOH as hydrogen source and water as solvent has been developed. The catalytic system can work at a substrate/catalyst (S/C) ratio of 2000, with a turnover frequency (TOF) up to 3360 h-1 , which represents one of the most active catalytic transfer hydrogenation systems for nitroarene reduction. The catalytic system is operationally simple and the protocol could be scaled up to 20 gram scale. The water-soluble catalyst bearing a carboxyl group could be recycled 15 times without significant loss of activity.
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Affiliation(s)
- Yuxuan Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China.,CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, P. R. China
| | - Wang Miao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Weijun Tang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Jianliang Xiao
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, United Kingdom
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Changzhi Li
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, P. R. China
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11
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Kapuśniak Ł, Plessow PN, Trzybiński D, Woźniak K, Hofmann P, Jolly PI. A Mild One-Pot Reduction of Phosphine(V) Oxides Affording Phosphines(III) and Their Metal Catalysts. Organometallics 2021; 40:693-701. [PMID: 33867621 PMCID: PMC8043083 DOI: 10.1021/acs.organomet.0c00788] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Indexed: 02/06/2023]
Abstract
![]()
The metal-free reduction
of a range of phosphine(V) oxides employing
oxalyl chloride as an activating agent and hexachlorodisilane as reducing
reagent has been achieved under mild reaction conditions. The method
was successfully applied to the reduction of industrial waste byproduct
triphenylphosphine(V) oxide, closing the phosphorus cycle to cleanly
regenerate triphenylphosphine(III). Mechanistic studies and quantum
chemical calculations support the attack of the dissociated chloride
anion of intermediated phosphonium salt at the silicon of the disilane
as the rate-limiting step for deprotection. The exquisite purity of
the resultant phosphine(III) ligands after the simple removal of volatiles
under reduced pressure circumvents laborious purification prior to
metalation and has permitted the facile formation of important transition
metal catalysts.
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Affiliation(s)
- Łukasz Kapuśniak
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury Street 101, 02-089 Warsaw, Poland
| | - Philipp N Plessow
- Institute of Catalysis Research and Technology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Germany
| | - Damian Trzybiński
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury Street 101, 02-089 Warsaw, Poland
| | - Krzysztof Woźniak
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury Street 101, 02-089 Warsaw, Poland
| | - Peter Hofmann
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany.,Catalysis Research Laboratory (CaRLa), Im Neuenheimer Feld 584, 69120 Heidelberg, Germany
| | - Phillip Iain Jolly
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury Street 101, 02-089 Warsaw, Poland.,Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany.,Catalysis Research Laboratory (CaRLa), Im Neuenheimer Feld 584, 69120 Heidelberg, Germany
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12
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Yao W, Wang J, Lou Y, Wu H, Qi X, Yang J, Zhong A. Chemoselective hydroborative reduction of nitro motifs using a transition-metal-free catalyst. Org Chem Front 2021. [DOI: 10.1039/d1qo00705j] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The first transition-metal-free catalysts for deoxygenative reduction of nitroarenes, nitro heteroarenes and even notoriously challenging nitroalkanes using pinacolborane have been reported.
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Affiliation(s)
- Wubing Yao
- School of Pharmaceutical and Materials Engineering
- Taizhou University
- Jiaojiang 318000
- P.R. China
- Department of Chemistry
| | - Jiali Wang
- School of Pharmaceutical and Materials Engineering
- Taizhou University
- Jiaojiang 318000
- P.R. China
- Department of Chemistry
| | - Yinpeng Lou
- School of Pharmaceutical and Materials Engineering
- Taizhou University
- Jiaojiang 318000
- P.R. China
| | - Haijian Wu
- School of Pharmaceutical and Materials Engineering
- Taizhou University
- Jiaojiang 318000
- P.R. China
| | - Xinxin Qi
- Department of Chemistry
- Zhejiang Sci-Tech University
- Hangzhou 310018
- P.R. China
| | - Jianguo Yang
- School of Pharmaceutical and Materials Engineering
- Taizhou University
- Jiaojiang 318000
- P.R. China
- Department of Chemistry
| | - Aiguo Zhong
- School of Pharmaceutical and Materials Engineering
- Taizhou University
- Jiaojiang 318000
- P.R. China
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13
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Wang X, Xu C, Guan H, Lin M, Huang P. Deoxygenation of Sulfoxides with Dimethylthiocarbamoyl Chloride in the Absence of Additional Solvent. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202102004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Osmium catalysis in the reductive amination using carbon monoxide as a reducing agent. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2020.111260] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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15
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Ostrovskii VS, Runikhina SA, Afanasyev OI, Chusov D. Rhodium‐Catalyzed Reductive Esterification Using Carbon Monoxide as a Reducing Agent. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000438] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Vladimir S. Ostrovskii
- A.N.Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences Vavilova St. 28 119991 Moscow Russian Federation
| | - Sofiya A. Runikhina
- A.N.Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences Vavilova St. 28 119991 Moscow Russian Federation
| | - Oleg I. Afanasyev
- A.N.Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences Vavilova St. 28 119991 Moscow Russian Federation
| | - Denis Chusov
- A.N.Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences Vavilova St. 28 119991 Moscow Russian Federation
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Manabe S, Wong CM, Sevov CS. Direct and Scalable Electroreduction of Triphenylphosphine Oxide to Triphenylphosphine. J Am Chem Soc 2020; 142:3024-3031. [PMID: 31948233 DOI: 10.1021/jacs.9b12112] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Shuhei Manabe
- Department of Chemistry and Biochemistry, The Ohio State University, 151 West Woodruff Avenue, Columbus, Ohio 43210, United States
| | - Curt M. Wong
- Department of Chemistry and Biochemistry, The Ohio State University, 151 West Woodruff Avenue, Columbus, Ohio 43210, United States
| | - Christo S. Sevov
- Department of Chemistry and Biochemistry, The Ohio State University, 151 West Woodruff Avenue, Columbus, Ohio 43210, United States
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17
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Ferretti F, Ramadan DR, Ragaini F. Transition Metal Catalyzed Reductive Cyclization Reactions of Nitroarenes and Nitroalkenes. ChemCatChem 2019. [DOI: 10.1002/cctc.201901065] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Francesco Ferretti
- Dipartimento di ChimicaUniversità degli Studi di Milano via C. Golgi 19 Milano 20133 Italy
| | - Doaa R. Ramadan
- Dipartimento di ChimicaUniversità degli Studi di Milano via C. Golgi 19 Milano 20133 Italy
| | - Fabio Ragaini
- Dipartimento di ChimicaUniversità degli Studi di Milano via C. Golgi 19 Milano 20133 Italy
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18
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Bhattacharjee A, Hosoya H, Yurino T, Tsurugi H, Mashima K. Metal-free Reductive Deoxygenation of Sulfoxides by an Organosilicon Reductant, 1,1′-Bis(trimethylsilyl)-1 H,1′ H-4,4′-bipyridinylidene. CHEM LETT 2019. [DOI: 10.1246/cl.190340] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Argha Bhattacharjee
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan
| | - Hiromu Hosoya
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan
| | - Taiga Yurino
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan
| | - Hayato Tsurugi
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan
| | - Kazushi Mashima
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan
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19
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Shigeno M, Hayashi K, Nozawa-Kumada K, Kondo Y. Phosphazene Base tBu-P4 Catalyzed Methoxy-Alkoxy Exchange Reaction on (Hetero)Arenes. Chemistry 2019; 25:6077-6081. [PMID: 30807672 DOI: 10.1002/chem.201900498] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 02/22/2019] [Indexed: 12/14/2022]
Abstract
The organic superbase tBu-P4 catalyzes methoxy-alkoxy exchange reactions on (hetero)arenes with alcohols. The catalytic reaction proceeded efficiently with electron-deficient methoxy(hetero)arenes as well as with a variety of alcohols, including 3-amino-1-propanol, β-citronellol, menthol, and cholesterol. An intramolecular version of this reaction furnished six- and seven-membered ring compounds.
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Affiliation(s)
- Masanori Shigeno
- Department of Biophysical Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Aoba, Sendai, 980-8578, Japan
| | - Kazutoshi Hayashi
- Department of Biophysical Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Aoba, Sendai, 980-8578, Japan
| | - Kanako Nozawa-Kumada
- Department of Biophysical Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Aoba, Sendai, 980-8578, Japan
| | - Yoshinori Kondo
- Department of Biophysical Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Aoba, Sendai, 980-8578, Japan
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20
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21
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Gevorgyan A, Mkrtchyan S, Grigoryan T, Iaroshenko VO. Application of Silicon-Initiated Water Splitting for the Reduction of Organic Substrates. Chempluschem 2018; 83:375-382. [PMID: 31957356 DOI: 10.1002/cplu.201800131] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 03/31/2018] [Indexed: 12/26/2022]
Abstract
The use of water as a donor for hydrogen suitable for the reduction of several important classes of organic compounds is described. It is found that the reductive water splitting can be promoted by several metalloids among which silicon shows the best efficiency. The developed methodologies were applied for the reduction of nitro compounds, N-oxides, sulfoxides, alkenes, alkynes, hydrodehalogenation as well as for the gram-scale synthesis of several substrates of industrial importance.
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Affiliation(s)
- Ashot Gevorgyan
- Homogeneous Catalysis and Molecular Design Research Group, at the Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363, Łodź, Poland.,Department of Chemistry, and Centre for Theoretical and Computational Chemistry (CTCC), University of Tromsø, 9037, Tromsø, Norway
| | - Satenik Mkrtchyan
- Homogeneous Catalysis and Molecular Design Research Group, at the Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363, Łodź, Poland
| | - Tatevik Grigoryan
- Homogeneous Catalysis and Molecular Design Research Group, at the Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363, Łodź, Poland
| | - Viktor O Iaroshenko
- Homogeneous Catalysis and Molecular Design Research Group, at the Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363, Łodź, Poland
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