1
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Peng J, He Q, Wen J, Zhang Y, Wang Y, Ye Y, Shen Y. N-Indole-Substituted Imidazolylidene Pd-PEPPSI Precatalysts: Enhanced Performance with a 3,5-Diisopropyl-4-indolyl Moiety. J Org Chem 2024; 89:9322-9335. [PMID: 38905015 DOI: 10.1021/acs.joc.4c00418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/23/2024]
Abstract
Pd-PEPPSI complexes of N-(4-indolyl)-N'-phenylimidazol-2-ylidene (IIn) ligands with a 5-isopropyl-4-indolyl moiety are synthesized and evaluated in heteroarene C-H arylation, Suzuki-Miyaura cross-coupling, and Buchwald-Hartwig amination reactions. The IIn-Pd complex bearing a 3,5-diisopropyl-4-indolyl substituent (C5) exhibits the best catalytic activity in this series and substantially outperforms commercial precatalyst PEPPSI-Pd-IPr. The results also suggest that the alkyl group at position 3 of the 4-indolyl moiety shows stronger impacts than that at position 5.
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Affiliation(s)
- Jiahao Peng
- Centre for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Qi He
- Centre for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Jiarui Wen
- Centre for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Yin Zhang
- Centre for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Yazhou Wang
- Centre for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Yingxin Ye
- Centre for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Yuehai Shen
- Centre for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
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2
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Peddiahgari Vasu GR, Motakatla Venkata KR, Kakarla RR, Ranganath KVS, Aminabhavi TM. Recent advances in sustainable N-heterocyclic carbene-Pd(II)-pyridine (PEPPSI) catalysts: A review. ENVIRONMENTAL RESEARCH 2023; 225:115515. [PMID: 36842701 DOI: 10.1016/j.envres.2023.115515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/11/2023] [Accepted: 02/15/2023] [Indexed: 06/18/2023]
Abstract
Various catalysts in homogeneous or heterogeneous catalysis deploy unconventional reaction pathways by lowering the activation energy (AE) barrier, controlling the selectivity, and creating environmental impact, thereby bringing about economic viability. Hence, the study of these methodologies is of immense interest. To develop a new chemistry, there is much scope for the invention of brilliant candidates that could effectively catalyze diverse reaction methodologies. The palladium-catalyzed reactions motivate interesting applications on various organic transformations under mild reaction conditions. Although phosphorous designed ligands or catalysts have been used, despite their expensiveness, sensitivity and other properties, there is the necessity of developing even better cross-coupling ligands or catalysts such as N-heterocyclic carbene (NHC)-based palladium complexes. These palladium-NHCs (Pd-NHC) are novel and universal nucleophilic entities that have come into light as the most successful class of catalysts in organometallic chemistry. In the same class, a specific category of palladium-NHCs such as palladium-pyridine enhanced pre-catalyst preparation by the stabilization initiation (palladium-PEPPSI) complexes, are emerging as versatile alternatives to phosphine containing palladium complexes for various cross-coupling reactions due to their excellent catalytic activity. Further to mention that NHCs are recently extensively used as ancillary ligands in organometallic chemistry, which includes industrial-related catalytic transformations due to strong σ-donors to metal centres. Apart from this, many NHC-metal complexes are the fascinating consideration in material science as probable metallo-pharmaceuticals. The current review offers a brief exploration of palladium-PEPPSI complexes over the past few years. Further, the synthesis of a variety of these types of catalysts, their applications in Suzuki-Miyaura, Buchwald-Hartwig, Sonogashira, Negishi couplings direct C2-arylation, O-C(O) cleavage, α-arylation/alkylation of carbonyl compounds and trans-amidation reactions via cross-coupling methodologies, which are covered. Additionally, reported recent developments on reusable heterogeneous PdPEPPSI complexes and their catalytic applications are being covered. Finally, the chiral Pd complexes and their asymmetric transformations are discussed.
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Affiliation(s)
| | | | - Raghava Reddy Kakarla
- School Chemical Biomolecular Engineering, The University of Sydney, Sydney, NSW, 2006, Australia.
| | | | - Tejraj M Aminabhavi
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi, 580031, Karnataka, India; Karnatak University, Dharwad, 58003, India; University Center for Research & Development (UCRO), Chandigarh University, Gharuan, Mohali, 140413, Punjab, India.
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3
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Reichert EC, Feng K, Sather AC, Buchwald SL. Pd-Catalyzed Amination of Base-Sensitive Five-Membered Heteroaryl Halides with Aliphatic Amines. J Am Chem Soc 2023; 145:3323-3329. [PMID: 36719903 PMCID: PMC9988406 DOI: 10.1021/jacs.2c13520] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
We report a versatile and functional-group-tolerant method for the Pd-catalyzed C-N cross-coupling of five-membered heteroaryl halides with primary and secondary amines, an important but underexplored transformation. Coupling reactions of challenging, pharmaceutically relevant heteroarenes, such as 2-H-1,3-azoles, are reported in good-to-excellent yields. High-yielding coupling reactions of a wide set of five-membered heteroaryl halides with sterically demanding α-branched cyclic amines and acyclic secondary amines are reported for the first time. The key to the broad applicability of this method is the synergistic combination of (1) the moderate-strength base NaOTMS, which limits base-mediated decomposition of sensitive five-membered heteroarenes that ultimately leads to catalyst deactivation, and (2) the use of a GPhos-supported Pd catalyst, which effectively resists heteroarene-induced catalyst deactivation while promoting efficient coupling, even for challenging and sterically demanding amines. Cross-coupling reactions between a wide variety of five-membered heteroaryl halides and amines are demonstrated, including eight examples involving densely functionalized medicinal chemistry building blocks.
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Affiliation(s)
- Elaine C Reichert
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Kaibo Feng
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Aaron C Sather
- Process Research and Development, Merck & Co., Inc., Boston, Massachusetts 02115, United States
| | - Stephen L Buchwald
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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4
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Fan R, Kuai M, Lin D, Bauer F, Fang W. A General C–N Cross-Coupling to Synthesize Heteroaryl Amines Using a Palladacyclic N-Heterocyclic Carbene Precatalyst. Org Lett 2022; 24:8688-8693. [DOI: 10.1021/acs.orglett.2c03580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Ruoqian Fan
- 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, 159 Longpan Road, 210037 Nanjing, China
| | - Meiying Kuai
- 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, 159 Longpan Road, 210037 Nanjing, China
| | - Dong Lin
- 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, 159 Longpan Road, 210037 Nanjing, China
| | - Felix Bauer
- Institut für Organische Chemie, Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, 79104 Freiburg, Germany
| | - Weiwei Fang
- 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, 159 Longpan Road, 210037 Nanjing, China
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5
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Horbaczewskyj CS, Fairlamb IJS. Pd-Catalyzed Cross-Couplings: On the Importance of the Catalyst Quantity Descriptors, mol % and ppm. Org Process Res Dev 2022; 26:2240-2269. [PMID: 36032362 PMCID: PMC9396667 DOI: 10.1021/acs.oprd.2c00051] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Indexed: 12/26/2022]
Abstract
![]()
This Review examines parts per million (ppm) palladium
concentrations
in catalytic cross-coupling reactions and their relationship with
mole percentage (mol %). Most studies in catalytic cross-coupling
chemistry have historically focused on the concentration ratio between
(pre)catalyst and the limiting reagent (substrate), expressed as mol
%. Several recent papers have outlined the use of “ppm level”
palladium as an alternative means of describing catalytic cross-coupling
reaction systems. This led us to delve deeper into the literature
to assess whether “ppm level” palladium is a practically
useful descriptor of catalyst quantities in palladium-catalyzed cross-coupling
reactions. Indeed, we conjectured that many reactions could, unknowingly,
have employed low “ppm levels” of palladium (pre)catalyst,
and generally, what would the spread of ppm palladium look like across
a selection of studies reported across the vast array of the cross-coupling
chemistry literature. In a few selected examples, we have examined
other metal catalyst systems for comparison with palladium.
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Affiliation(s)
| | - Ian J. S. Fairlamb
- University of York, Heslington, York, North Yorkshire, YO10 5DD, United Kingdom
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6
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Chernyshev VM, Khazipov OV, Shevchenko MA, Pasyukov DV, Burykina JV, Minyaev ME, Eremin DB, Ananikov VP. Discovery of the N–NHC Coupling Process under the Conditions of Pd/NHC- and Ni/NHC-Catalyzed Buchwald–Hartwig Amination. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Victor M. Chernyshev
- Platov South-Russian State Polytechnic University (NPI), Prosveschenya 132, Novocherkassk 346428, Russia
| | - Oleg V. Khazipov
- Platov South-Russian State Polytechnic University (NPI), Prosveschenya 132, Novocherkassk 346428, Russia
| | - Maksim A. Shevchenko
- Platov South-Russian State Polytechnic University (NPI), Prosveschenya 132, Novocherkassk 346428, Russia
| | - Dmitry V. Pasyukov
- Platov South-Russian State Polytechnic University (NPI), Prosveschenya 132, Novocherkassk 346428, Russia
| | - Julia V. Burykina
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow 119991, Russia
| | - Mikhail E. Minyaev
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow 119991, Russia
| | - Dmitry B. Eremin
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow 119991, Russia
| | - Valentine P. Ananikov
- Platov South-Russian State Polytechnic University (NPI), Prosveschenya 132, Novocherkassk 346428, Russia
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow 119991, Russia
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7
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Liu Y, Voloshkin VA, Scattolin T, Peng M, Van Hecke K, Cazin CSJ, Nolan SP. Versatile and highly efficient trans‐[Pd(NHC)Cl2(DMS/THT)] precatalysts for C‐C and C‐N coupling reactions in green solvents. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200309] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yaxu Liu
- Universiteit Gent Chemistry BELGIUM
| | | | | | - Min Peng
- Universiteit Gent Chemistry BELGIUM
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8
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Yurino T, Saito S, Ichihashi M, Ohkuma T. Aerobic Allylic Amination Catalyzed by a Pd(OAc) 2/P(OPh) 3 System with Low Catalyst Loading. J Org Chem 2022; 87:2864-2872. [PMID: 35084193 DOI: 10.1021/acs.joc.1c02768] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A Pd(OAc)2/P(OPh)3 combination catalyzed Tsuji-Trost-type allylic amination under aerobic conditions. Both aromatic and aliphatic secondary amines were transformed into the corresponding allylic amines with a tiny amount of the catalyst system (typically 0.02 mol % Pd), only when allylic phosphates were employed as electrophiles. Other typical electrophiles, such as allylic acetate and carbonate, were marginally reactive. A Pd(0) complex, Pd[P(OPh)3]3, formed in situ was suggested as an active species by mechanistic experiments.
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Affiliation(s)
- Taiga Yurino
- Division of Applied Chemistry and Frontier Chemistry Center, Faculty of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan
| | - Sunaho Saito
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Kita 13, Nishi 8, Sapporo, Hokkaido 060-8628, Japan
| | - Mizuki Ichihashi
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Kita 13, Nishi 8, Sapporo, Hokkaido 060-8628, Japan
| | - Takeshi Ohkuma
- Division of Applied Chemistry and Frontier Chemistry Center, Faculty of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan
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9
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Wang CA, Zhao W, Li YW, Han Y, Zhang J, Li Q, Nie K, Chang J, Liu FS. Bulky Pd-PEPPSI-Embedded Conjugated Microporous Polymers-Catalyzed Suzuki-Miyaura Cross-Coupling of Aryl Chlorides and Arylboronic Acids. Polym Chem 2022. [DOI: 10.1039/d1py01616d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Through post-synthesis method, a type of bulky N-heterocyclic carbenes (NHCs) functionalized conjugated microporous polymers to supported the palladium-based molecular catalyst has been developed. The resulting heterogeneous catalyst Pd-PEPPSI-CMP, showing greater...
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10
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Zheng DZ, Xiong HG, Song AX, Yao HG, Xu C. Buchwald-Hartwig Amination of Aryl Esters and Chlorides catalyzed by Dianisole-decorated Pd-NHC complex. Org Biomol Chem 2022; 20:2096-2101. [DOI: 10.1039/d1ob02051j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A modular and generic method for the Buchwald-Hartwig amination reactions of relatively unreactive aryl esters as acyl electrophiles and aryl chlorides as aryl electrophiles is developed, delivering efficient synthesis of...
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11
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Li DH, Lan XB, Song AX, Rahman MM, Xu C, Huang FD, Szostak R, Szostak M, Liu FS. Buchwald-Hartwig Amination of Coordinating Heterocycles Enabled by Large-but-Flexible Pd-BIAN-NHC Catalysts*. Chemistry 2021; 28:e202103341. [PMID: 34773313 DOI: 10.1002/chem.202103341] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Indexed: 01/21/2023]
Abstract
A new class of large-but-flexible Pd-BIAN-NHC catalysts (BIAN=acenaphthoimidazolylidene, NHC=N-heterocyclic carbene) has been rationally designed to enable the challenging Buchwald-Hartwig amination of coordinating heterocycles. This robust class of BIAN-NHC catalysts permits cross-coupling under practical aerobic conditions of a variety of heterocycles with aryl, alkyl, and heteroarylamines, including historically challenging oxazoles and thiazoles as well as electron-deficient heterocycles containing multiple heteroatoms with BIAN-INon (N,N'-bis(2,6-di(4-heptyl)phenyl)-7H-acenaphtho[1,2-d]imidazol-8-ylidene) as the most effective ligand. Studies on the ligand structure and electronic properties of the carbene center are reported. The study should facilitate the discovery of even more active catalyst systems based on the unique BIAN-NHC scaffold.
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Affiliation(s)
- Dong-Hui Li
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, Guangdong, 528458, P. R. China
| | - Xiao-Bing Lan
- Hunan Provincial Key Laboratory of Xiangnan Rare-Precious Metals Compounds Research and Application, School of Chemistry and Environmental Science, Xiangnan University, Chenzhou, Hunan Province 423000, P. R. China
| | - A-Xiang Song
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, Guangdong, 528458, P. R. China
| | - Md Mahbubur Rahman
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA
| | - Chang Xu
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, Guangdong, 528458, P. R. China
| | - Fei-Dong Huang
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, Guangdong, 528458, P. R. China
| | - Roman Szostak
- Department of Chemistry, Wroclaw University, F. Joliot-Curie 14, Wroclaw, 50-383, Poland
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA
| | - Feng-Shou Liu
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, Guangdong, 528458, P. R. China
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12
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Fan GG, Jiang BW, Sang W, Cheng H, Zhang R, Yu BY, Yuan Y, Chen C, Verpoort F. Metal-Free Synthesis of Heteroaryl Amines or Their Hydrochlorides via an External-Base-Free and Solvent-Free C-N Coupling Protocol. J Org Chem 2021; 86:14627-14639. [PMID: 34658240 DOI: 10.1021/acs.joc.1c01467] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Herein, a metal-free and solvent-free protocol was developed for the C-N coupling of heteroaryl halides and amines, which afforded numerous heteroaryl amines or their hydrochlorides without any external base. Further investigations elucidated that the basicity of amines and specific interactions derived from the X-ray crystallography analysis of 3j'·HCl played pivotal roles in the reactions. Moreover, this protocol was scalable to gram scales and applicable to drug molecules, which demonstrated its practical value for further applications.
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Affiliation(s)
- Guang-Gao Fan
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, PR China
| | - Bo-Wen Jiang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, PR China
| | - Wei Sang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, PR China
| | - Hua Cheng
- Department of Chemical Engineering and Food Science, Hubei University of Arts and Science, 296 Longzhong Road, Xiangyang 441053, PR China
| | - Rui Zhang
- Department of Chemical Engineering and Food Science, Hubei University of Arts and Science, 296 Longzhong Road, Xiangyang 441053, PR China
| | - Bao-Yi Yu
- Key Laboratory of Urban Agriculture (North China), Ministry of Agriculture, Beijing University of Agriculture, Beinong Road 7, Beijing 102206, PR China
| | - Ye Yuan
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, PR China
| | - Cheng Chen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, PR China
| | - Francis Verpoort
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, PR China.,National Research Tomsk Polytechnic University, Lenin Avenue 30, Tomsk 634050, Russian Federation.,Ghent University Global Campus, 119 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 21985, Korea
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13
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Zuo B, Shao H, Qu E, Ma Y, Li W, Huang M, Deng Q. An Alkoxy Modified
N
‐Heterocyclic Carbene‐Palladacycle: Synthesis, Characterization and Application towards Buchwald‐Hartwig and Suzuki‐Miyaura Coupling Reactions. ChemistrySelect 2021. [DOI: 10.1002/slct.202102733] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Bin Zuo
- School of Materials and Chemistry University of Shanghai for Science and Technology 334 Jungong Road Shanghai 200093 China
| | - Han Shao
- School of Materials and Chemistry University of Shanghai for Science and Technology 334 Jungong Road Shanghai 200093 China
| | - Erdong Qu
- School of Materials and Chemistry University of Shanghai for Science and Technology 334 Jungong Road Shanghai 200093 China
| | - Yunhua Ma
- School of Materials and Chemistry University of Shanghai for Science and Technology 334 Jungong Road Shanghai 200093 China
| | - Wanfang Li
- School of Materials and Chemistry University of Shanghai for Science and Technology 334 Jungong Road Shanghai 200093 China
| | - Mingxian Huang
- School of Materials and Chemistry University of Shanghai for Science and Technology 334 Jungong Road Shanghai 200093 China
| | - Qinyue Deng
- School of Materials and Chemistry University of Shanghai for Science and Technology 334 Jungong Road Shanghai 200093 China
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14
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Irving CD, Floreancig JT, Gasonoo M, Kelley AS, Laulhé S. Synthesis of Imide and Amine Derivatives via Deoxyamination of Alcohols Using
N
‐Haloimides and Triphenylphosphine. ChemistrySelect 2021; 6:8874-8878. [DOI: 10.1002/slct.202102296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Charles D. Irving
- Department of Chemistry and Chemical Biology Indiana University-Purdue University Indianapolis Indianapolis IN 46202 United States
| | - Jack T. Floreancig
- Department of Chemistry and Chemical Biology Indiana University-Purdue University Indianapolis Indianapolis IN 46202 United States
| | - Makafui Gasonoo
- Department of Chemistry and Chemical Biology Indiana University-Purdue University Indianapolis Indianapolis IN 46202 United States
| | - Alexandra S. Kelley
- Department of Chemistry and Chemical Biology Indiana University-Purdue University Indianapolis Indianapolis IN 46202 United States
| | - Sébastien Laulhé
- Department of Chemistry and Chemical Biology Indiana University-Purdue University Indianapolis Indianapolis IN 46202 United States
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15
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Buchwald–Hartwig reaction: an update. MONATSHEFTE FUR CHEMIE 2021. [DOI: 10.1007/s00706-021-02834-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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16
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Ovezova M, Eroğlu Z, Metin Ö, Çetinkaya B, Gülcemal S. Unveiling the catalytic nature of palladium-N-heterocyclic carbene catalysts in the α-alkylation of ketones with primary alcohols. Dalton Trans 2021; 50:10896-10908. [PMID: 34308936 DOI: 10.1039/d1dt01704g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report herein the synthesis of four new Pd-PEPPSI complexes with backbone-modified N-heterocyclic carbene (NHC) ligands and their application as catalysts in the α-alkylation of ketones with primary alcohols using a borrowing hydrogen process and tandem Suzuki-Miyaura coupling/α-alkylation reactions. Among the synthesized Pd-PEPPSI complexes, complex 2c having 4-methoxyphenyl groups at the 4,5-positions and 4-methoxybenzyl substituents on the N-atoms of imidazole exhibited the highest catalytic activity in the α-alkylation of ketones with primary alcohols (18 examples) with yields reaching up to 95%. Additionally, complex 2c was demonstrated to be an effective catalyst for the tandem Suzuki-Miyaura-coupling/α-alkylation of ketones to give biaryl ketones with high yields. The heterogeneous nature of the present catalytic system was verified by mercury poisoning and hot filtration experiments. Moreover, the formation of NHC-stabilized Pd(0) nanoparticles during the α-alkylation reactions was identified by advanced analytical techniques.
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Affiliation(s)
- Mamajan Ovezova
- Department of Chemistry, Ege University, 35100 Izmir, Turkey.
| | - Zafer Eroğlu
- Department of Chemistry, College of Sciences, Koç University, 34450 Istanbul, Turkey. and Nanoscience and Nanoengineering Division, Graduate School of Natural and Applied Sciences, Atatürk University, 25240 Erzurum, Turkey
| | - Önder Metin
- Department of Chemistry, College of Sciences, Koç University, 34450 Istanbul, Turkey.
| | - Bekir Çetinkaya
- Department of Chemistry, Ege University, 35100 Izmir, Turkey.
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17
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Acenaphthene-Based N-Heterocyclic Carbene Metal Complexes: Synthesis and Application in Catalysis. Catalysts 2021. [DOI: 10.3390/catal11080972] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
N-Heterocyclic carbene (NHC) ligands have become a privileged structural motif in modern homogenous and heterogeneous catalysis. The last two decades have brought a plethora of structurally and electronically diversified carbene ligands, enabling the development of cutting-edge transformations, especially in the area of carbon-carbon bond formation. Although most of these were accomplished with common imidazolylidene and imidazolinylidene ligands, the most challenging ones were only accessible with the acenaphthylene-derived N-heterocyclic carbene ligands bearing a π-extended system. Their superior σ-donor capabilities with simultaneous ease of modification of the rigid backbone enhance the catalytic activity and stability of their transition metal complexes, which makes BIAN-NHC (BIAN—bis(imino)acenaphthene) ligands an attractive tool for the development of challenging reactions. The present review summarizes synthetic efforts towards BIAN-NHC metal complexes bearing acenaphthylene subunits and their applications in modern catalysis, with special emphasis put on recently developed enantioselective processes.
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18
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Scattolin T, Voloshkin VA, Martynova E, Vanden Broeck SMP, Beliš M, Cazin CSJ, Nolan SP. Synthesis and catalytic activity of palladium complexes bearing N-heterocyclic carbenes (NHCs) and 1,4,7-triaza-9-phosphatricyclo[5.3.2.1]tridecane (CAP) ligands. Dalton Trans 2021; 50:9491-9499. [PMID: 34254628 DOI: 10.1039/d1dt01716k] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The synthesis and characterization of novel palladium complexes bearing N-heterocyclic carbenes (NHCs) and 1,4,7-triaza-9-phosphatricyclo[5.3.2.1]tridecane (CAP) are reported. These organometallic complexes can be easily obtained using two different synthetic strategies that involve either the substitution of the pyridine ligand from trans-[Pd(NHC)(Py)Cl2] or by simple addition of the CAP ligand to dimeric species [Pd(NHC)Cl2]2. The mixed NHC/CAP complexes were tested as pre-catalysts in the Buchwald-Hartwig aryl amination coupling, showing good catalytic activity, especially in the case of cis-[Pd(IPr)(CAP)Cl2].
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Affiliation(s)
- Thomas Scattolin
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281 (S-3), 9000, Ghent, Belgium.
| | - Vladislav A Voloshkin
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281 (S-3), 9000, Ghent, Belgium.
| | - Ekaterina Martynova
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281 (S-3), 9000, Ghent, Belgium.
| | - Sofie M P Vanden Broeck
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281 (S-3), 9000, Ghent, Belgium.
| | - Marek Beliš
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281 (S-3), 9000, Ghent, Belgium.
| | - Catherine S J Cazin
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281 (S-3), 9000, Ghent, Belgium.
| | - Steven P Nolan
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281 (S-3), 9000, Ghent, Belgium.
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19
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Ouyang JS, Liu S, Pan B, Zhang Y, Liang H, Chen B, He X, Chan WTK, Chan ASC, Sun TY, Wu YD, Qiu L. A Bulky and Electron-Rich N-Heterocyclic Carbene–Palladium Complex (SIPr)Ph2Pd(cin)Cl: Highly Efficient and Versatile for the Buchwald–Hartwig Amination of (Hetero)aryl Chlorides with (Hetero)aryl Amines at Room Temperature. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01929] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jia-Sheng Ouyang
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery, Sun Yat-sen University, Number 135 Xingangxi Road, Guangzhou 510275, China
| | - Siqi Liu
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Bendu Pan
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery, Sun Yat-sen University, Number 135 Xingangxi Road, Guangzhou 510275, China
| | - Yaqi Zhang
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery, Sun Yat-sen University, Number 135 Xingangxi Road, Guangzhou 510275, China
| | - Hao Liang
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery, Sun Yat-sen University, Number 135 Xingangxi Road, Guangzhou 510275, China
| | - Bin Chen
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery, Sun Yat-sen University, Number 135 Xingangxi Road, Guangzhou 510275, China
| | - Xiaobo He
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery, Sun Yat-sen University, Number 135 Xingangxi Road, Guangzhou 510275, China
| | - Wesley Ting Kwok Chan
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Albert S. C. Chan
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery, Sun Yat-sen University, Number 135 Xingangxi Road, Guangzhou 510275, China
| | - Tian-Yu Sun
- Shenzhen Bay Laboratory, Shenzhen, 518132, China
| | - Yun-Dong Wu
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- Shenzhen Bay Laboratory, Shenzhen, 518132, China
- Lab of Computational Chemistry and Drug Design, State Key Laboratory of Chemical Oncogenomics, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Liqin Qiu
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery, Sun Yat-sen University, Number 135 Xingangxi Road, Guangzhou 510275, China
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20
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Chen C, Liu FS, Szostak M. BIAN-NHC Ligands in Transition-Metal-Catalysis: A Perfect Union of Sterically Encumbered, Electronically Tunable N-Heterocyclic Carbenes? Chemistry 2021; 27:4478-4499. [PMID: 32989914 PMCID: PMC7940599 DOI: 10.1002/chem.202003923] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/24/2020] [Indexed: 12/12/2022]
Abstract
The discovery of NHCs (NHC = N-heterocyclic carbenes) as ancillary ligands in transition-metal-catalysis ranks as one of the most important developments in synthesis and catalysis. It is now well-recognized that the strong σ-donating properties of NHCs along with the ease of scaffold modification and a steric shielding of the N-wingtip substituents around the metal center enable dramatic improvements in catalytic processes, including the discovery of reactions that are not possible using other ancillary ligands. In this context, although the classical NHCs based on imidazolylidene and imidazolinylidene ring systems are now well-established, recently tremendous progress has been made in the development and catalytic applications of BIAN-NHC (BIAN = bis(imino)acenaphthene) class of ligands. The enhanced reactivity of BIAN-NHCs is a direct result of the combination of electronic and steric properties that collectively allow for a major expansion of the scope of catalytic processes that can be accomplished using NHCs. BIAN-NHC ligands take advantage of (1) the stronger σ-donation, (2) lower lying LUMO orbitals, (3) the presence of an extended π-system, (4) the rigid backbone that pushes the N-wingtip substituents closer to the metal center by buttressing effect, thus resulting in a significantly improved control of the catalytic center and enhanced air-stability of BIAN-NHC-metal complexes at low oxidation state. Acenaphthoquinone as a precursor enables facile scaffold modification, including for the first time the high yielding synthesis of unsymmetrical NHCs with unique catalytic properties. Overall, this results in a highly attractive, easily accessible class of ligands that bring major advances and emerge as a leading practical alternative to classical NHCs in various aspects of catalysis, cross-coupling and C-H activation endeavors.
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Affiliation(s)
- Changpeng Chen
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA
| | - Feng-Shou Liu
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, Guangdong, 528458, China
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA
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21
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Pan T, Wang Y, Liu FS, Lin H, Zhou Y. Copper(I)–NHCs complexes: Synthesis, characterization and their inhibition against the biofilm formation of Streptococcus mutans. Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115033] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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22
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Mondal R, Ortiz RJ, Braun JD, Herbert DE. Synthesis, characterization, and coordination chemistry of a phenanthridine-containing N-heterocyclic carbene ligand. CAN J CHEM 2021. [DOI: 10.1139/cjc-2020-0333] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An N-heterocyclic carbene ligand precursor bearing a π-extended phenanthridine (3,4-benzoquinoline) unit is presented. The proligand was isolated as the imidazolium salt of chloride (1•HCl), bromide (1•HBr), or hexafluorophosphate (1•HPF6) counterions. These salts can be deprotonated and the carbene installed on silver centres using Ag2O as both a base and a source of metal ion. The resulting Ag(I) complex (1)AgCl can be used in a transmetalation reaction to generate a Pd(II) coordination complex (1)Pd(CH3CN)Cl2. The characterization and photophysical properties of these complexes is presented, along with a demonstration of the utility of (1)Pd(CH3CN)Cl2 in mediating a catalytic C-N cross-coupling reaction for the preparation of the pharmaceutical Piribedil.
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Affiliation(s)
- Rajarshi Mondal
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
| | - Robert J. Ortiz
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
| | - Jason D. Braun
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
| | - David E. Herbert
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
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23
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Okuda Y, Nagaoka M, Yamamoto T. Bulky
N
‐Heterocyclic‐Carbene‐Coordinated Palladium Catalysts for 1,2‐Addition of Arylboron Compounds to Carbonyl Compounds. ChemCatChem 2020. [DOI: 10.1002/cctc.202001464] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yuta Okuda
- Department of Materials Science and Engineering Graduate School of Engineering Tokyo Denki University Senju-Asahi-cho 5 Adachi-ku Tokyo 120-8551 Japan
| | - Masahiro Nagaoka
- Organometallic Chemistry Group Sagami Chemical Research Institute Hayakawa 2743-1 Ayase Kanagawa 252-1193 Japan
| | - Tetsuya Yamamoto
- Department of Materials Science and Engineering Graduate School of Engineering Tokyo Denki University Senju-Asahi-cho 5 Adachi-ku Tokyo 120-8551 Japan
- Department of Applied Chemistry School of Engineering Tokyo Denki University Senju-Asahi-cho 5 Adachi-ku Tokyo 120-8551 Japan
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24
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Tian J, Wang G, Qi ZH, Ma J. Ligand Effects of BrettPhos and RuPhos on Rate-Limiting Steps in Buchwald-Hartwig Amination Reaction Due to the Modulation of Steric Hindrance and Electronic Structure. ACS OMEGA 2020; 5:21385-21391. [PMID: 32905323 PMCID: PMC7469115 DOI: 10.1021/acsomega.0c01528] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Accepted: 04/29/2020] [Indexed: 06/11/2023]
Abstract
The differences in catalytic activity between two catalyst ligands of Buchwald-Hartwig amination reaction, BrettPhos versus RuPhos, were investigated using density functional theory (DFT) calculations. The reaction process consists of three consecutive steps: (1) oxidative addition, (2) deprotonation, and (3) reductive elimination. Among them, the rate-limiting step of Pd-BrettPhos catalytic system is oxidative addition but that of Pd-RuPhos catalytic system is reductive elimination due to their differences in steric hindrance and electronic structure. It was also revealed that amines with large-size substituents or halides with electron-withdrawing groups would reduce the activation energy barriers of the reactions. The insights gained from the calculations of the Buchwald-Hartwig amination reaction would be helpful for the rational designing of new catalysts and reactions.
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25
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Guillet SG, Voloshkin VA, Saab M, Beliš M, Van Hecke K, Nahra F, Nolan SP. Understanding existing and designing novel synthetic routes to Pd-PEPPSI-NHC and Pd-PEPPSI-PR 3 pre-catalysts. Chem Commun (Camb) 2020; 56:5953-5956. [PMID: 32347246 DOI: 10.1039/d0cc02262d] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reaction mechanism leading to the formation of cross-coupling palladium pre-catalysts of the PEPPSI family was investigated. Two intermediates were isolated and proved to be both suitable synthons to the pre-catalysts, with one permitting the design of a novel and greener user-friendly synthetic route. In light of this mechanistic understanding, the traditional one-pot method was shown to be possible using stoichiometric amounts of throw-away ligand, which represents a considerable synthetic improvement over the wasteful "in pyridine" approach.
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Affiliation(s)
- Sébastien G Guillet
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281 (S-3), 9000 Ghent, Belgium.
| | - Vladislav A Voloshkin
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281 (S-3), 9000 Ghent, Belgium.
| | - Marina Saab
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281 (S-3), 9000 Ghent, Belgium.
| | - Marek Beliš
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281 (S-3), 9000 Ghent, Belgium.
| | - Kristof Van Hecke
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281 (S-3), 9000 Ghent, Belgium.
| | - Fady Nahra
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281 (S-3), 9000 Ghent, Belgium. and VITO (Flemish Institute for Technological Research), Separation and Conversion Technology, Boeretang 200, B-2400 Mol, Belgium
| | - Steven P Nolan
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281 (S-3), 9000 Ghent, Belgium.
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26
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N-heterocyclic carbene-Pd(II)-2-methyl-4,5-dihydrooxazole complex-catalyzed highly chemoselective mono-amination of dichlorobenzenes. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.130944] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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27
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Sun Y, Li T. Fabrication and Application of Graphene Supported Diimine‐Palladium Complex Catalyst for Organic Synthesis. ChemistrySelect 2020. [DOI: 10.1002/slct.201904488] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Yunlong Sun
- School of PharmacyGuangdong Pharmaceutical University School of Pharmacy, Guangdong Pharmaceutical University Guangzhou 510008 China
| | - Tian Li
- School of Chemistry and Chemical EngineeringGuangdong Pharmaceutical University School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University Zhongshan 528458 China
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28
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Reddy MVK, Anusha G, Reddy PVG. Sterically enriched bulky 1,3-bis(N,N′-aralkyl)benzimidazolium based Pd-PEPPSI complexes for Buchwald–Hartwig amination reactions. NEW J CHEM 2020. [DOI: 10.1039/d0nj01294g] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A simple and efficient synthesis of a series of unexisting Pd-PEPPSI complexes is summarized. These complexes are exploited for their high catalytic activity towards Buchwald–Hartwig amination.
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29
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Micheletti G, Iannuzzo L, Calvaresi M, Bordoni S, Telese D, Chugunova E, Boga C. Intriguing enigma of nitrobenzofuroxan's ‘Sphinx’: Boulton–Katritzky rearrangement or unusual evidence of the N-1/ N-3-oxide rearrangement? RSC Adv 2020; 10:34670-34680. [PMID: 35514428 PMCID: PMC9056797 DOI: 10.1039/d0ra05249c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 08/28/2020] [Indexed: 12/19/2022] Open
Abstract
The first attempt to compare Boulton–Katritzky rearrangement with N-1/N-3-oxide tautomerism: formation of isomeric products in the reaction between 2-aminothiazoles and 7-chloro-4,6-dinitrobenzofuroxan.
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Affiliation(s)
- Gabriele Micheletti
- Department of Industrial Chemistry ‘Toso Montanari’
- Alma Mater Studiorum – Università di Bologna Viale Del Risorgimento
- 4 402136 Bologna
- Italy
| | - Leonardo Iannuzzo
- Department of Industrial Chemistry ‘Toso Montanari’
- Alma Mater Studiorum – Università di Bologna Viale Del Risorgimento
- 4 402136 Bologna
- Italy
| | - Matteo Calvaresi
- Department of Chemistry ‘G. Ciamician’
- Alma Mater Studiorum-Università di Bologna
- Bologna 40126
- Italy
| | - Silvia Bordoni
- Department of Industrial Chemistry ‘Toso Montanari’
- Alma Mater Studiorum – Università di Bologna Viale Del Risorgimento
- 4 402136 Bologna
- Italy
| | - Dario Telese
- Department of Industrial Chemistry ‘Toso Montanari’
- Alma Mater Studiorum – Università di Bologna Viale Del Risorgimento
- 4 402136 Bologna
- Italy
| | - Elena Chugunova
- Arbuzov Institute of Organic and Physical Chemistry
- FRC Kazan Scientific Center
- Russian Academy of Sciences
- Kazan
- Russia
| | - Carla Boga
- Department of Industrial Chemistry ‘Toso Montanari’
- Alma Mater Studiorum – Università di Bologna Viale Del Risorgimento
- 4 402136 Bologna
- Italy
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30
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Khazipov OV, Shevchenko MA, Pasyukov DV, Chernenko AY, Astakhov AV, Tafeenko VA, Chernyshev VM, Ananikov VP. Preventing Pd–NHC bond cleavage and switching from nano-scale to molecular catalytic systems: amines and temperature as catalyst activators. Catal Sci Technol 2020. [DOI: 10.1039/c9cy02041a] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Heating Pd/NHC complexes with aliphatic amines induces Pd–NHC bond cleavage, while treating the complexes with primary or secondary aliphatic amines in the presence of strong bases promotes the activation of molecular Pd/NHC catalysis.
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Affiliation(s)
- Oleg V. Khazipov
- Platov South-Russian State Polytechnic University (NPI)
- Novocherkassk
- Russia
- Zelinsky Institute of Organic Chemistry
- Russian Academy of Sciences
| | - Maxim A. Shevchenko
- Platov South-Russian State Polytechnic University (NPI)
- Novocherkassk
- Russia
- Zelinsky Institute of Organic Chemistry
- Russian Academy of Sciences
| | - Dmitry V. Pasyukov
- Platov South-Russian State Polytechnic University (NPI)
- Novocherkassk
- Russia
| | | | - Alexander V. Astakhov
- Platov South-Russian State Polytechnic University (NPI)
- Novocherkassk
- Russia
- Zelinsky Institute of Organic Chemistry
- Russian Academy of Sciences
| | | | - Victor M. Chernyshev
- Platov South-Russian State Polytechnic University (NPI)
- Novocherkassk
- Russia
- Zelinsky Institute of Organic Chemistry
- Russian Academy of Sciences
| | - Valentine P. Ananikov
- Platov South-Russian State Polytechnic University (NPI)
- Novocherkassk
- Russia
- Lomonosov Moscow State University
- 119991 Moscow
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31
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Denisov MS, Dmitriev MV, Gorbunov AA, Glushkov VA. Complexes of palladium(II) with N-heterocyclic carbenes from adamantylimidazole as precatalysts for thiophene and imidazole arylation. Russ Chem Bull 2019. [DOI: 10.1007/s11172-019-2664-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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32
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Affiliation(s)
- Ruth Dorel
- Stratingh Institute for ChemistryZernike Institute for Advanced MaterialsUniversity of Groningen Nijenborgh 4 9747 AG Groningen The Netherlands
| | - Christian P. Grugel
- Institut für Organische ChemieAlbert-Ludwigs-Universität Freiburg Albertstr. 21 79104 Freiburg Germany
| | - Alexander M. Haydl
- Department for Intermediates—Amine SynthesisBASF SE Carl-Bosch-Str. 38 67056 Ludwigshafen am Rhein Germany
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33
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Dorel R, Grugel CP, Haydl AM. The Buchwald-Hartwig Amination After 25 Years. Angew Chem Int Ed Engl 2019; 58:17118-17129. [PMID: 31166642 DOI: 10.1002/anie.201904795] [Citation(s) in RCA: 288] [Impact Index Per Article: 57.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Indexed: 01/15/2023]
Abstract
The Pd-catalyzed coupling of aryl (pseudo)halides and amines is one of the most powerful approaches for the formation of C(sp2 )-N bonds. The pioneering reports from Migita and subsequently Buchwald and Hartwig on the coupling of aminostannanes and aryl bromides rapidly evolved into general and practical tin-free protocols with broad substrate scope, which led to the establishment of what is now known as the Buchwald-Hartwig amination. This Minireview summarizes the evolution of this cross-coupling reaction over the course of the past 25 years and illustrates some of the most recent applications of this well-established methodology.
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Affiliation(s)
- Ruth Dorel
- Stratingh Institute for Chemistry, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, The Netherlands
| | - Christian P Grugel
- Institut für Organische Chemie, Albert-Ludwigs-Universität Freiburg, Albertstr. 21, 79104, Freiburg, Germany
| | - Alexander M Haydl
- Department for Intermediates-Amine Synthesis, BASF SE, Carl-Bosch-Str. 38, 67056, Ludwigshafen am Rhein, Germany
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34
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Jang WC, Hwang DW, Seo JH, Ko HM. Transition-Metal-Free Diarylation of Isocyanates with Arynes. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.151018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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35
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Xie Z, Chen R, Ma M, Kong L, Liu J, Wang C. Copper‐catalyzed one‐pot coupling reactions of aldehydes (ketones), tosylhydrazide and 2‐amino(benzo)thiazoles: An efficient strategy for the synthesis of
N
‐alkylated (benzo)thiazoles. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5124] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Zengyang Xie
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic MedicineJining Medical University Jining 272067 China
| | - Ruijiao Chen
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic MedicineJining Medical University Jining 272067 China
| | - Mingfang Ma
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic MedicineJining Medical University Jining 272067 China
| | - Lingdong Kong
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic MedicineJining Medical University Jining 272067 China
| | - Jun Liu
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic MedicineJining Medical University Jining 272067 China
| | - Cunde Wang
- School of Chemistry and Chemical EngineeringYangzhou University Yangzhou 225002 China
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36
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Sather AC, Martinot TA. Data-Rich Experimentation Enables Palladium-Catalyzed Couplings of Piperidines and Five-Membered (Hetero)aromatic Electrophiles. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.9b00233] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Aaron C. Sather
- Process Research and Development, Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts 02115, United States
| | - Theodore A. Martinot
- Process Research and Development, Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts 02115, United States
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37
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Abstract
In recent years, several classes of new N-heterocyclic carbene (NHC) ligands were developed around the concept of “flexible steric bulk”. The steric hindrance of these ligands brings stability to the active species, while ligand flexibility still allows for the approach of the substrate. In this review, the synthesis of several types of new classes, such as IBiox, cyclic alkyl amino carbenes (CAAC), ITent, and IPr* are discussed, as well as how they move the state-of-the-art in palladium catalyzed cross-coupling forward.
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38
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Li DH, He XX, Xu C, Huang FD, Liu N, Shen DS, Liu FS. N-Heterocarbene Palladium Complexes with Dianisole Backbones: Synthesis, Structure, and Catalysis. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00230] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Dong-Hui Li
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, Guangdong 528458, China
| | - Xu-Xian He
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, Guangdong 528458, China
| | - Chang Xu
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, Guangdong 528458, China
| | - Fei-Dong Huang
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, Guangdong 528458, China
| | - Ning Liu
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, Guangdong 528458, China
| | - Dong-Sheng Shen
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, Guangdong 528458, China
| | - Feng-Shou Liu
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, Guangdong 528458, China
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39
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Yadav S, Singh A, Mishra I, Ray S, Mobin SM, Dash C. Well‐Defined N‐Heterocyclic Carbene‐Palladium Complexes as Efficient Catalysts for Domino Sonogashira Coupling/Cyclization Reaction and C‐H bond Arylation of Benzothiazole. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4936] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Seema Yadav
- Department of Chemistry, School of Chemical Sciences and PharmacyCentral University of Rajasthan Bandarsindri India
| | - Ajeet Singh
- Department of ChemistryIndian Institute of Technology (IIT) Indore Simrol, Khandwa Road Indore 453552 India
| | - Isha Mishra
- Department of Chemistry, School of Chemical Sciences and PharmacyCentral University of Rajasthan Bandarsindri India
| | - Sriparna Ray
- Department of Chemistry, School of Basic SciencesManipal University Jaipur Jaipur Rajasthan 303007 India
| | - Shaikh M. Mobin
- Department of ChemistryIndian Institute of Technology (IIT) Indore Simrol, Khandwa Road Indore 453552 India
| | - Chandrakanta Dash
- Department of Chemistry, School of Chemical Sciences and PharmacyCentral University of Rajasthan Bandarsindri India
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40
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Zhang FY, Lan XB, Xu C, Yao HG, Li T, Liu FS. Rigid hindered N-heterocyclic carbene palladium precatalysts: synthesis, characterization and catalytic amination. Org Chem Front 2019. [DOI: 10.1039/c9qo00726a] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Rigid hindered N-heterocyclic carbene palladium complexes have been developed and exhibited high activities for a variety of (hetero)aryl chlorides with (hetero)anilines and amines under aerobic conditions.
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Affiliation(s)
- Fei-Yi Zhang
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Zhongshan
- China
| | - Xiao-Bing Lan
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Zhongshan
- China
| | - Chang Xu
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Zhongshan
- China
| | - Hua-Gang Yao
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Zhongshan
- China
| | - Tian Li
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Zhongshan
- China
| | - Feng-Shou Liu
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Zhongshan
- China
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41
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Cui Y, Lu T, Shi Z, Feng J. Dehydroxylated amination accompanied by 1,2-sulfur immigration. Org Chem Front 2019. [DOI: 10.1039/c8qo01211c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A sulfur neighbouring-group participation N-alkylation method is presented, which enables the simultaneous C–O cleavage, C–S immigration and C–N formation performed in a metal free system.
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Affiliation(s)
- Yong Cui
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing 210009
- PR China
| | - Tao Lu
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing 210009
- PR China
| | - Zhihao Shi
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing 210009
- PR China
| | - Jie Feng
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing 210009
- PR China
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42
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Lee SH, Jeong T, Kim K, Kwon NY, Pandey AK, Kim HS, Ku JM, Mishra NK, Kim IS. Ruthenium(II)-Catalyzed Site-Selective Hydroxymethylation of Indolines with Paraformaldehyde. J Org Chem 2018; 84:2307-2315. [DOI: 10.1021/acs.joc.8b02873] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Suk Hun Lee
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Taejoo Jeong
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Kunyoung Kim
- Department of Chemistry, Incheon National University, Incheon 22012, Republic of Korea
| | - Na Yeon Kwon
- Department of Chemical Engineering, The University of Suwon, Suwon 18323, Republic of Korea
| | - Ashok Kumar Pandey
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Hyung Sik Kim
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Jin-Mo Ku
- Biocenter, Gyeonggido Business & Science Accelerator (GBSA), Suwon 16229, Republic of Korea
| | | | - In Su Kim
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
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