1
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Kong W, Sun S, He X, Wang J, Li S. Multidimensional Optimization of R-LE001 for New Leads with Enhanced Antifungal Profiles. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:14984-14992. [PMID: 38907719 DOI: 10.1021/acs.jafc.4c00782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/24/2024]
Abstract
Scaffold hopping and structural fine-tuning are important strategies for agrochemical innovation. Multidimensional optimization of the prevalidated antifungal lead R-LE001 was conducted via the design, synthesis, and bioevaluation of 53 new compounds differing in either scaffold or substituent. The antifungal structure-activity relationship (SAR) revealed that a number of amides containing 2-(2-oxazolinyl) aniline (NHPhOx) or 2-(2-thiazolinyl) aniline (NHPhthiOx) demonstrated a more promising antifungal effect than both R-LE001 and the positive control boscalid. Specifically, compound 10 (encoded LEX-K01) shows an excellent antifungal effect against Botrytis cinerea with an EC50 value lower than 0.11 μM. This small change leads to a significant improvement (over 1 order of magnitude) in bioactivity compared to that of either R-LE001 (EC50 = 1.41 μM) or boscalid (EC50 = 2.01 μM) and fluxapyroxad (EC50 = 4.35 μM). With much lower resistance factors, LEX-K01 (10) was more efficacious against the two boscalid-resistant strains of B. cinerea TZ01 and NJBH2017. A combination of LEX-K01 (10) and boscalid in a ratio of 1:3 showed synergistic effects against resistant B. cinerea TZ01 and NJBH2017, with SR values of 3.01 and 2.55, respectively. LEX-K01 (10) has a curative efficacy (70.3%) more prominent than that of boscalid (51.2%) in controlling disease caused by B. cinerea. The molecular docking simulation of LEX-K01 (10) with the SDH protein of B. cinerea displayed four hydrogen bonds with amino acid residues TYR144, ARG88, TRP81, and SER84, rationalizing a stronger affinity than boscalid. The scanning electron microscopy (SEM) characteristic revealed that it could cause an obvious collapse of B. cinerea mycelium. This work indicates that LEX-K01 (10) has the potential to be further explored as a new antifungal agent.
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Affiliation(s)
- Wenlong Kong
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Shengxin Sun
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Xiaodan He
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Jinbo Wang
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Shengkun Li
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
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2
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Wu F, Tang C, Li X, Li N, Liu M, Li D, Dai R, Shen X, Zhai H. Metal-free iodination of arylaldehydes for total synthesis of aristogins A-F and hernandial. Org Biomol Chem 2024; 22:4667-4671. [PMID: 38804830 DOI: 10.1039/d4ob00603h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Iodine is one of the most effective sources for iodination of aromatic compounds; however, its electrophilicity is insufficient for direct iodination. The selection of appropriate environmentally friendly and cost-effective oxidants in combination with iodine for the iodination of aromatic rings, along with its application in the synthesis of natural products, holds significant importance. A highly efficient method utilizing I(III) as the initiator has been successfully developed for monoiodination of arylaldehydes. The method demonstrates good compatibility with a wide range of (hetero)aromatic aldehydes, resulting in moderate to excellent yields, without the need for any toxic, volatile or explosive reagents. The synthesis of seven natural products, namely aristogins A-F and hernandial, was achieved through this iodination followed by Ullmann-type coupling.
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Affiliation(s)
- Fufang Wu
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Chunmei Tang
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Xuejian Li
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Nan Li
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Miao Liu
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Danqin Li
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Rongrong Dai
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Xiaobao Shen
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Hongbin Zhai
- State Key Laboratory of Chemical Oncogenomics, Shenzhen Engineering Laboratory of Nano Drug Slow-Release, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
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3
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Alsharif MA, Ahmed N, Issa Alahmdi M, Mukhtar S, Parveen H, Obaid RJ, SA Almalki A. Divergent Synthesis of Fused Benzo-xanthene and Oxazine derivatives via Cu-catalyst. JOURNAL OF SAUDI CHEMICAL SOCIETY 2022. [DOI: 10.1016/j.jscs.2022.101568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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4
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Abstract
This paper describes a mild strategy to promote amide arylations. Photoinduced oxidation of a Ni(II) aryl amido intermediate is proposed to facilitate the challenging C-N reductive elimination step at moderate temperatures. Notably, the mildly basic conditions employed facilitate access to a broad scope including protected amino acids, heterocycles, phenols, and sterically hindered substituents. Hence, this work presents an attractive strategy to enable late-stage functionalization of pre-existing amide moieties in commercial drugs and natural products.
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Affiliation(s)
- Robert D Bradley
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Ana Bahamonde
- Department of Chemistry, University of California, Riverside, California 92521, United States
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5
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Hibbard JP, Yam JG, Alsalek EB, Bahamonde A. Mild Sustainable Amide Alkylation Protocol Enables a Broad Orthogonal Scope. J Org Chem 2022; 87:12036-12040. [PMID: 36001807 DOI: 10.1021/acs.joc.2c01028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Herein, the development of a mild sustainable protocol to couple primary alkyl chlorides and bromides with amides is described. In contrast to current methodologies, our system does not require the use of strongly basic conditions, high temperatures, or the addition of an organometallic catalyst, thereby enabling access to a remarkably orthogonal scope. K3PO4 is used to facilitate the formation of secondary and tertiary amides, which are ubiquitous scaffolds in bioactive molecules and natural products. Alkylated amide products are obtained in good to excellent yields, with no substantial limitations observed based on the steric and electronic properties of either coupling partner.
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Affiliation(s)
- Jason P Hibbard
- Department of Chemistry, University of California, Riverside, 501 Big Springs Road, Riverside, California92521, United States
| | - Jessalyn G Yam
- Department of Chemistry, University of California, Riverside, 501 Big Springs Road, Riverside, California92521, United States
| | - Eyad B Alsalek
- Department of Chemistry, University of California, Riverside, 501 Big Springs Road, Riverside, California92521, United States
| | - Ana Bahamonde
- Department of Chemistry, University of California, Riverside, 501 Big Springs Road, Riverside, California92521, United States
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6
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Comins DL. Synthesis of MAPA Reagents and 2-Alkyl(aryl)aminopyridines from 2-Bromopyridine Using the Goldberg Reaction. Molecules 2022; 27:molecules27061833. [PMID: 35335206 PMCID: PMC8952803 DOI: 10.3390/molecules27061833] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/04/2022] [Accepted: 03/07/2022] [Indexed: 11/16/2022] Open
Abstract
A short and economical synthesis of various 2-methylaminopyidine amides (MAPA) from 2-bromopyridine has been developed using the catalytic Goldberg reaction. The effective catalyst was formed in situ by the reaction of CuI and 1,10-phenanthroline in a 1/1 ratio with a final loading of 0.5–3 mol%. The process affords high yields and can accommodate multigram-scale reactions. A modification of this method provides a new preparation of 2-N-substituted aminopyridines from various secondary N-alkyl(aryl)formamides and 2-bromopyridine. The intermediate aminopyridine formamide is cleaved in situ through methanolysis or hydrolysis to give 2-alkyl(aryl)aminopyridines in high yields.
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Affiliation(s)
- Daniel L Comins
- Department of Chemistry, North Carolina State University, Raleigh, NC 27695-8204, USA
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7
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Bhunia S, De S, Ma D. Room Temperature Cu-Catalyzed N-Arylation of Oxazolidinones and Amides with (Hetero)Aryl Iodides. Org Lett 2022; 24:1253-1257. [DOI: 10.1021/acs.orglett.2c00122] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Subhajit Bhunia
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Subhadip De
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Dawei Ma
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
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8
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Kocsis M, Ötvös SB, Samu GF, Fogarassy Z, Pécz B, Kukovecz Á, Kónya Z, Sipos P, Pálinkó I, Varga G. Copper-Loaded Layered Bismuth Subcarbonate-Efficient Multifunctional Heterogeneous Catalyst for Concerted C-S/C-N Heterocyclization. ACS APPLIED MATERIALS & INTERFACES 2021; 13:42650-42661. [PMID: 34477369 PMCID: PMC8447192 DOI: 10.1021/acsami.1c09234] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
An efficient self-supported
Cu(II)Bi(III) bimetallic catalyst with
a layered structure was designed and developed. By careful characterization
of the as-prepared material, the host structure was identified to
exhibit a Sillen-type bismutite framework, with copper(II) ions being
loaded as guests. The heterogeneous catalyst enabled C–N and
C–S arylations under mild reaction conditions and with high
chemoselectivities, thus furnishing valuable phenothiazines via heterocyclization with wide substrate tolerance. As
corroborated by detailed catalytic studies, the cooperative, bifunctional
catalyst, bearing Lewis acid sites along with copper(II) catalytic
sites, facilitated an intriguing concerted C–N/C–S heterocyclization
mechanism. The heterogeneous nature of the catalytic reactions was
verified experimentally. Importantly, the catalyst was successfully
recycled and reused multiple times, persevering its original structural
order as well as its initial activity.
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Affiliation(s)
- Marianna Kocsis
- Department of Organic Chemistry, University of Szeged, Dóm tér 8, Szeged H-6720, Hungary.,Materials and Solution Structure Research Group, and Interdisciplinary Excellence Centre, Institute of Chemistry, University of Szeged, Aradi Vértanúk tere 1, Szeged H-6720, Hungary
| | - Sándor B Ötvös
- Institute of Chemistry, University of Graz, NAWI Graz, Heinrichstrasse 28, Graz A-8010, Austria
| | - Gergely F Samu
- Department of Physical Chemistry and Materials Science, Interdisciplinary Excellence Centre, University of Szeged, Szeged H-6720, Hungary
| | - Zsolt Fogarassy
- Centre for Energy Research, Institute of Technical Physics and Materials Science, Konkoly, Thege M. út 29-33., Budapest 1121, Hungary
| | - Béla Pécz
- Centre for Energy Research, Institute of Technical Physics and Materials Science, Konkoly, Thege M. út 29-33., Budapest 1121, Hungary
| | - Ákos Kukovecz
- Department of Applied and Environmental Chemistry, University of Szeged, Rerrich Béla tér 1, Szeged H-6720, Hungary
| | - Zoltán Kónya
- Department of Applied and Environmental Chemistry, University of Szeged, Rerrich Béla tér 1, Szeged H-6720, Hungary.,MTA-SZTE Reaction Kinetics and Surface Chemistry Research Group, Rerrich Béla tér 1, Szeged H-6720, Hungary
| | - Pál Sipos
- Materials and Solution Structure Research Group, and Interdisciplinary Excellence Centre, Institute of Chemistry, University of Szeged, Aradi Vértanúk tere 1, Szeged H-6720, Hungary.,Department of Inorganic and Analytical Chemistry, University of Szeged, Dóm tér 7, Szeged H-6720, Hungary
| | - István Pálinkó
- Department of Organic Chemistry, University of Szeged, Dóm tér 8, Szeged H-6720, Hungary.,Materials and Solution Structure Research Group, and Interdisciplinary Excellence Centre, Institute of Chemistry, University of Szeged, Aradi Vértanúk tere 1, Szeged H-6720, Hungary
| | - Gábor Varga
- Materials and Solution Structure Research Group, and Interdisciplinary Excellence Centre, Institute of Chemistry, University of Szeged, Aradi Vértanúk tere 1, Szeged H-6720, Hungary.,Department of Physical Chemistry and Materials Science, University of Szeged, Rerrich Béla tér 1, Szeged H-6720, Hungary
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9
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Yang L, Zhuang Q, Wu M, Long H, Lin C, Lin M, Ke F. Electrochemical-induced hydroxylation of aryl halides in the presence of Et 3N in water. Org Biomol Chem 2021; 19:6417-6421. [PMID: 34236072 DOI: 10.1039/d1ob00931a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A thorough study of mild and environmentally friendly electrochemical-induced hydroxylation of aryl halides without a catalyst is presented. The best protocol consists of hydroxylation of different aryl iodides and aryl bromides by water solution in the presence of Et3N under air, affording the target phenols in good isolated yields. Moreover, aryl chlorides were successfully employed as substrates. This methodology also provides a direct pathway for the formation of deoxyphomalone, which displayed a significant anti-proliferation effect.
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Affiliation(s)
- Li Yang
- Faculty of Material and Chemical Engineering, Yibin University, Yibin 644000, China
| | - Qinglong Zhuang
- School of Stomatology, Fujian Medical University, Fuzhou 350122, China
| | - Mei Wu
- Institute of Materia Medica, School of Pharmacy, Fujian Provincial Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University, Fuzhou 350122, China.
| | - Hua Long
- Institute of Materia Medica, School of Pharmacy, Fujian Provincial Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University, Fuzhou 350122, China.
| | - Chen Lin
- Institute of Materia Medica, School of Pharmacy, Fujian Provincial Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University, Fuzhou 350122, China.
| | - Mei Lin
- Institute of Materia Medica, School of Pharmacy, Fujian Provincial Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University, Fuzhou 350122, China.
| | - Fang Ke
- Faculty of Material and Chemical Engineering, Yibin University, Yibin 644000, China and Institute of Materia Medica, School of Pharmacy, Fujian Provincial Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University, Fuzhou 350122, China.
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10
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Sutar SM, Kalkhambkar RG. Ultrasonic Assisted Facile Synthesis of
N
‐Arylamides Using Nitriles and 1‐Aryltriazenes Precursors Promoted by Brønsted Acidic Ionic Liquid under Metal‐Free Conditions. ChemistrySelect 2021. [DOI: 10.1002/slct.202101855] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Suraj M. Sutar
- Department of Chemistry Karnatak University's Karnatak Science College Dharwad Karnatak 580001 India
| | - Rajesh G. Kalkhambkar
- Department of Chemistry Karnatak University's Karnatak Science College Dharwad Karnatak 580001 India
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11
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Tathe AG, Urvashi, Yadav AK, Chintawar CC, Patil NT. Gold-Catalyzed 1,2-Aminoarylation of Alkenes with External Amines. ACS Catal 2021. [DOI: 10.1021/acscatal.1c00789] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Akash G. Tathe
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhauri, Bhopal−462 066, India
| | - Urvashi
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhauri, Bhopal−462 066, India
| | - Amit K. Yadav
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhauri, Bhopal−462 066, India
| | - Chetan C. Chintawar
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhauri, Bhopal−462 066, India
| | - Nitin T. Patil
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhauri, Bhopal−462 066, India
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12
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Wang M, Liu Y, Wang L, Lu H, Feng L, Gao H. Cascade Chan‐Lam C−O Coupling/[3,3]‐Rearrangement of Arylhydroxylamines with Arylboronic Acids Toward NOBIN Analogues. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001570] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Min Wang
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry Ministry of Education Shandong University Ji'nan 250100 People's Republic of China
| | - Yue Liu
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry Ministry of Education Shandong University Ji'nan 250100 People's Republic of China
| | - Liying Wang
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry Ministry of Education Shandong University Ji'nan 250100 People's Republic of China
| | - Haifeng Lu
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry Ministry of Education Shandong University Ji'nan 250100 People's Republic of China
| | - Lei Feng
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry Ministry of Education Shandong University Ji'nan 250100 People's Republic of China
| | - Hongyin Gao
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry Ministry of Education Shandong University Ji'nan 250100 People's Republic of China
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13
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Yang P, Wang X, Wang L, He J, Zhang Q, Li D. Oxidative cross-dehydrogenative coupling between iodoarenes and acylanilides for C–N bond formation under metal-free conditions. Org Chem Front 2021. [DOI: 10.1039/d1qo00225b] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
A metal-free oxidative cross-dehydrogenative coupling between iodoarenes and acylanilides was developed. It gave highly para-selectivie C–N coupling products with the retention of iodine atom which enables further transformations.
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Affiliation(s)
- Peng Yang
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
| | - Xia Wang
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
| | - Liang Wang
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
| | - Jiahua He
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
| | - Qian Zhang
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
| | - Dong Li
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
- Hubei Key Laboratory of Drug Synthesis and Optimization
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14
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Activated charcoal supported copper nanoparticles: A readily available and inexpensive heterogeneous catalyst for the N-arylation of primary amides and lactams with aryl iodides. Tetrahedron 2021. [DOI: 10.1016/j.tet.2020.131858] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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15
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Kadari L, Erb W, Halauko YS, Ivashkevich OA, Matulis VE, Lyakhov D, Roisnel T, Radha Krishna P, Mongin F. On the
N
‐Arylation of Acetamide Using 2‐, 3‐ and 1’‐Substituted Iodoferrocenes**. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000904] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Lingaswamy Kadari
- Univ Rennes CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226 35000 Rennes France
- Organic Synthesis and Process Chemistry Division CSIR-Indian Institute of Chemical Technology Hyderabad 500007 India
| | - William Erb
- Univ Rennes CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226 35000 Rennes France
| | - Yury S. Halauko
- UNESCO Chair of Belarusian State University 14 Leningradskaya Str. Minsk 220030 Belarus
| | - Oleg A. Ivashkevich
- Research Institute for Physico-Chemical Problems of Belarusian State University 14 Leningradskaya Str. Minsk 220030 Belarus
| | - Vadim E. Matulis
- Research Institute for Physico-Chemical Problems of Belarusian State University 14 Leningradskaya Str. Minsk 220030 Belarus
| | - Dmitry Lyakhov
- Computer, Electrical and Mathematical Science and Engineering Division 4700 King Abdullah University of Science and Technology Thuwal 23955-6900 Saudi Arabia
| | - Thierry Roisnel
- Univ Rennes CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226 35000 Rennes France
| | - Palakodety Radha Krishna
- Organic Synthesis and Process Chemistry Division CSIR-Indian Institute of Chemical Technology Hyderabad 500007 India
| | - Florence Mongin
- Univ Rennes CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226 35000 Rennes France
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16
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Paul S, Joy BP, Sasikala G, Raghuthaman AG, Gudimetla VB. Copper‐NHC Based Ullmann Catalysis in Water for Selective N‐Arylation of 3‐Aminophenols. ChemistrySelect 2020. [DOI: 10.1002/slct.202003455] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Sudeep Paul
- Department of Chemistry School of Basic and Applied Sciences Central University of Tamil Nadu Thiruvarur 610 005 Tamil Nadu India
| | - Bony P. Joy
- Department of Chemistry School of Basic and Applied Sciences Central University of Tamil Nadu Thiruvarur 610 005 Tamil Nadu India
| | - Geethu Sasikala
- Department of Chemistry School of Basic and Applied Sciences Central University of Tamil Nadu Thiruvarur 610 005 Tamil Nadu India
| | - Advaya G. Raghuthaman
- Department of Chemistry School of Basic and Applied Sciences Central University of Tamil Nadu Thiruvarur 610 005 Tamil Nadu India
| | - Vittal B. Gudimetla
- Department of Chemistry School of Basic and Applied Sciences Central University of Tamil Nadu Thiruvarur 610 005 Tamil Nadu India
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17
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Bis-Phenoxo-CuII2 Complexes: Formal Aromatic Hydroxylation via Aryl-CuIII Intermediate Species. Molecules 2020; 25:molecules25204595. [PMID: 33050208 PMCID: PMC7587178 DOI: 10.3390/molecules25204595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/02/2020] [Accepted: 10/05/2020] [Indexed: 11/17/2022] Open
Abstract
Ullmann-type copper-mediated arylC-O bond formation has attracted the attention of the catalysis and organometallic communities, although the mechanism of these copper-catalyzed coupling reactions remains a subject of debate. We have designed well-defined triazamacrocyclic-based aryl-CuIII complexes as an ideal platform to study the C-heteroatom reductive elimination step with all kinds of nucleophiles, and in this work we focus our efforts on the straightforward synthesis of phenols by using H2O as nucleophile. Seven well-defined aryl-CuIII complexes featuring different ring size and different electronic properties have been reacted with water in basic conditions to produce final bis-phenoxo-CuII2 complexes, all of which are characterized by XRD. Mechanistic investigations indicate that the reaction takes place by an initial deprotonation of the NH group coordinated to CuIII center, subsequent reductive elimination with H2O as nucleophile to form phenoxo products, and finally air oxidation of the CuI produced to form the final bis-phenoxo-CuII2 complexes, whose enhanced stability acts as a thermodynamic sink and pushes the reaction forward. Furthermore, the corresponding triazamacrocyclic-CuI complexes react with O2 to undergo 1e− oxidation to CuII and subsequent C-H activation to form aryl-CuIII species, which follow the same fate towards bis-phenoxo-CuII2 complexes. This work further highlights the ability of the triazamacrocyclic-CuIII platform to undergo aryl-OH formation by reductive elimination with basic water, and also shows the facile formation of rare bis-phenoxo-CuII2 complexes.
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18
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Liu J, Guo Y, Dong B, Sun J, Lyu J, Sun L, Hu S, Xu L, Bai X, Xu W, Mintova S, Song H. Water-soluble coumarin oligomer based ultra-sensitive iron ion probe and applications. SENSORS AND ACTUATORS B: CHEMICAL 2020; 320:128361. [DOI: 10.1016/j.snb.2020.128361] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/31/2023]
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19
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20
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Chen H, Miao Q. Recent advances and attempts in synthesis of conjugated nanobelts. J PHYS ORG CHEM 2020. [DOI: 10.1002/poc.4145] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Han Chen
- Department of Chemistry The Chinese University of Hong Kong Shatin New Territories, Hong Kong China
| | - Qian Miao
- Department of Chemistry The Chinese University of Hong Kong Shatin New Territories, Hong Kong China
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21
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Recent Advancement of Ullmann Condensation Coupling Reaction in the Formation of Aryl-Oxygen (C-O) Bonding by Copper-Mediated Catalyst. Catalysts 2020. [DOI: 10.3390/catal10101103] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Transition metal-catalyzed chemical transformation of organic electrophiles and organometallic reagents belong to the most important cross coupling reaction in organic synthesis. The biaryl ether division is not only popular in natural products and synthetic pharmaceuticals but also widely found in many pesticides, polymers, and ligands. Copper catalyst has received great attention owing to the low toxicity and low cost. However, traditional Ullmann-type couplings suffer from limited substrate scopes and harsh reaction conditions. The introduction of homogeneous copper catalyst with presence of bidentate ligands over the past two decades has totally changed this situation as these ligands enable the reaction promoted in mild condition. The reaction scope has also been greatly expanded, rendering this copper-based cross-coupling attractive for both academia and industry. In this review, we will highlight the latest progress in the development of useful homogeneous copper catalyst with presence of ligand and heterogeneous copper catalyst in Ullmann type C-O cross-coupling reaction. Additionally, the application of Ullmann type C-O cross coupling reaction will be discussed.
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22
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Singh D, Pandey S, Chouhan PS, Kant R, Chauhan PMS. Copper‐Mediated Intramolecular Oxidative α‐Functionalization of Ugi Precursor: An Efficient Synthesis of Highly Functionalized 2H‐Benzo[e][1,3]oxazin‐4(3H)‐one Derivatives. ChemistrySelect 2020. [DOI: 10.1002/slct.202001165] [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)
- Deepti Singh
- Medicinal and Process Chemistry DivisionCSIR-Central Drug Research Institute, Sector 10, Jankipuram extension Sitapur Road Lucknow 226031 India
| | - Shashi Pandey
- Medicinal and Process Chemistry DivisionCSIR-Central Drug Research Institute, Sector 10, Jankipuram extension Sitapur Road Lucknow 226031 India
- Department of ChemistryRamadhin CollegeSheikhpura (Munger University Munger Bihar 811105
| | - Pradeep Singh Chouhan
- Medicinal and Process Chemistry DivisionCSIR-Central Drug Research Institute, Sector 10, Jankipuram extension Sitapur Road Lucknow 226031 India
| | - Ruchir Kant
- Molecular and Structural Biology DivisionCSIR-Central Drug Research Institute, Sector 10, Jankipuram Extension Sitapur Road Lucknow 226031 India
| | - Prem M. S. Chauhan
- Medicinal and Process Chemistry DivisionCSIR-Central Drug Research Institute, Sector 10, Jankipuram extension Sitapur Road Lucknow 226031 India
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23
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Xu Y, Xu X, Wu B, Gan C, Lin X, Wang J, Ke F. Transition‐Metal‐Free, Visible‐Light‐Mediated
N
‐acylation: An Efficient Route to Amides in Water. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000237] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Yiwen Xu
- Institute of Materia Medica, School of PharmacyFujian Provincial Key Laboratory of Natural Medicine PharmacologyFujian Medical University Fuzhou 350122 China
| | - Xiuzhi Xu
- Institute of Materia Medica, School of PharmacyFujian Provincial Key Laboratory of Natural Medicine PharmacologyFujian Medical University Fuzhou 350122 China
| | - Bin Wu
- Institute of Materia Medica, School of PharmacyFujian Provincial Key Laboratory of Natural Medicine PharmacologyFujian Medical University Fuzhou 350122 China
| | - Chenling Gan
- Institute of Materia Medica, School of PharmacyFujian Provincial Key Laboratory of Natural Medicine PharmacologyFujian Medical University Fuzhou 350122 China
| | - Xiaoyan Lin
- Institute of Materia Medica, School of PharmacyFujian Provincial Key Laboratory of Natural Medicine PharmacologyFujian Medical University Fuzhou 350122 China
| | - Jin Wang
- Institute of Materia Medica, School of PharmacyFujian Provincial Key Laboratory of Natural Medicine PharmacologyFujian Medical University Fuzhou 350122 China
| | - Fang Ke
- Institute of Materia Medica, School of PharmacyFujian Provincial Key Laboratory of Natural Medicine PharmacologyFujian Medical University Fuzhou 350122 China
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24
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Song S, Meng Y, Li Q, Wei W. Recent Progress in the Construction of C−N Bonds
via
Metal‐Free Radical C(
sp
3
)−H Functionalization. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000055] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Si‐Zhe Song
- State Key Laboratory Base of Novel Functional Materials and Preparation Science, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, School of Materials Science and Chemical EngineeringNingbo University Ningbo 315211 People's Republic of China
| | - Ya‐Nan Meng
- State Key Laboratory Base of Novel Functional Materials and Preparation Science, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, School of Materials Science and Chemical EngineeringNingbo University Ningbo 315211 People's Republic of China
| | - Qiang Li
- Institution of Functional Organic Molecules and Materials, School of Chemistry and Chemical EngineeringLiaocheng University Liaocheng 252059 People's Republic of China
| | - Wen‐Ting Wei
- State Key Laboratory Base of Novel Functional Materials and Preparation Science, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, School of Materials Science and Chemical EngineeringNingbo University Ningbo 315211 People's Republic of China
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25
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Transition-metal and base-free thioannulation of propynamides with sodium sulfide and dichloromethane for the selective synthesis of 1,3-thiazin-4-ones and thiazolidine-4-ones. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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26
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Gurjar KK, Sharma RK. Synthetic and computational studies on CuI/ligand pair promoted activation of C(Aryl)-Cl bond in C-N coupling reactions. Heliyon 2020; 6:e03233. [PMID: 32055723 PMCID: PMC7005438 DOI: 10.1016/j.heliyon.2020.e03233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Revised: 11/26/2019] [Accepted: 01/13/2020] [Indexed: 11/23/2022] Open
Abstract
Cu/ligand-mediated coupling reactions have been widely investigated in the recent past. However, activation of cheaper aryl chlorides is still a great limitation of these reactions. During the course of present investigations efforts have been made to develop a normal and facile CuI/ligand pair protocol for arylation of phthalimide using aryl chlorides. The protocol has also been extended for arylation of amines. On the basis of experimental and theoretical results, a catalytic cycle has also been proposed and it has been established that these reactions follow oxidative addition-reductive elimination (OA-RE) pathway. These studies have indicated that tetracoordinated [Cu(L1)(L2)]+ complex is active catalytic species in these reactions.
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27
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Highly efficient CuOx/OMS-2 catalyst for synthesis of phenoxathiin derivatives via intramolecular arylations of phenols with aryl halides. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.151259] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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28
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Shi Y, Zhou Q, Du F, Fu Y, Du Y, Fang T, Chen G. Iridium-catalyzed intramolecular C N and C O/S cross-coupling reactions: Preparation of benzoazole derivatives. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.151082] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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29
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Morarji DV, Gurjar KK. Theoretical and Experimental Studies: Cu(I)/Cu(II) Catalytic Cycle in CuI/Oxalamide-Promoted C–N Bond Formation. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00224] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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30
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31
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Capdevila L, Andris E, Briš A, Tarrés M, Roldán-Gómez S, Roithová J, Ribas X. Silver(I)-Catalyzed C–X, C–C, C–N, and C–O Cross-Couplings Using Aminoquinoline Directing Group via Elusive Aryl-Ag(III) Species. ACS Catal 2018. [DOI: 10.1021/acscatal.8b03257] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Lorena Capdevila
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus de Montilivi, Girona, Catalonia E-17071, Spain
| | - Erik Andris
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, Prague 2 128 43, Czech Republic
| | - Anamarija Briš
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, Prague 2 128 43, Czech Republic
- Ruđer Bošković Institute, Bijenička 54, Zagreb 10 000, Croatia
| | - Màrius Tarrés
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus de Montilivi, Girona, Catalonia E-17071, Spain
| | - Steven Roldán-Gómez
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus de Montilivi, Girona, Catalonia E-17071, Spain
| | - Jana Roithová
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, Prague 2 128 43, Czech Republic
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, Nijmegen 6525 AJ, Netherlands
| | - Xavi Ribas
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus de Montilivi, Girona, Catalonia E-17071, Spain
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32
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Ajitha MJ, Pary F, Nelson TL, Musaev DG. Unveiling the Role of Base and Additive in the Ullmann-Type of Arene-Aryl C–C Coupling Reaction. ACS Catal 2018. [DOI: 10.1021/acscatal.8b00837] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Manjaly J. Ajitha
- Cherry L. Emerson Center for Scientific Computation, and Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Fathima Pary
- Department of Chemistry, Oklahoma State University, 107 Physical Science, Stillwater, Oklahoma 74078, United States
| | - Toby L. Nelson
- Department of Chemistry, Oklahoma State University, 107 Physical Science, Stillwater, Oklahoma 74078, United States
| | - Djamaladdin G. Musaev
- Cherry L. Emerson Center for Scientific Computation, and Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
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33
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Mehra MK, Tantak MP, Arun V, Kumar I, Kumar D. Metal-free regioselective formation of C-N and C-O bonds with the utilization of diaryliodonium salts in water: facile synthesis of N-arylquinolones and aryloxyquinolines. Org Biomol Chem 2018; 15:4956-4961. [PMID: 28567465 DOI: 10.1039/c7ob00940b] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Regioselective construction of crucial C-N and C-O bonds leading to N-arylquinolones and aryloxyquinolines has been accomplished by employing easily accessible diaryliodonium salts and quinolones in water under metal- and ligand-free conditions. This operationally simple strategy is significant due to mild reaction conditions, high product yields, recyclability of released iodoarenes and scalability to the gram level. The practical utility of the developed protocol was proved by the arylation of medicinally important heterocycles like acridin-9(10H)-one, 3-methylquinoxalin-2(1H)-one and 1H-benzo[d]imidazol-2(3H)-one.
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Affiliation(s)
- Manish Kumar Mehra
- Department of Chemistry, Birla Institute of Technology and Science, Pilani 333 031, Rajasthan, India.
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34
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Zhang X, Wu G, Gao W, Ding J, Huang X, Liu M, Wu H. Synergistic Photo-Copper-Catalyzed Hydroxylation of (Hetero)aryl Halides with Molecular Oxygen. Org Lett 2018; 20:708-711. [DOI: 10.1021/acs.orglett.7b03840] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xin Zhang
- College
of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, People’s Republic of China
| | - Ge Wu
- School
of Pharmaceutical Science, Wenzhou Medical University, Wenzhou 325035, People’s Republic of China
| | - Wenxia Gao
- College
of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, People’s Republic of China
| | - Jinchang Ding
- College
of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, People’s Republic of China
| | - Xiaobo Huang
- College
of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, People’s Republic of China
| | - Miaochang Liu
- College
of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, People’s Republic of China
| | - Huayue Wu
- College
of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, People’s Republic of China
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35
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Giri R, Brusoe A, Troshin K, Wang JY, Font M, Hartwig JF. Mechanism of the Ullmann Biaryl Ether Synthesis Catalyzed by Complexes of Anionic Ligands: Evidence for the Reaction of Iodoarenes with Ligated Anionic Cu I Intermediates. J Am Chem Soc 2018; 140:793-806. [PMID: 29224350 DOI: 10.1021/jacs.7b11853] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A series of experimental studies, along with DFT calculations, are reported that provide a detailed view into the mechanism of Ullmann coupling of phenols with aryl halides in the presence of catalysts generated from Cu(I) and bidentate, anionic ligands. These studies encompass catalysts containing anionic ligands formed by deprotonation of 8-hydroxyquinoline, 2-pyridylmethyl tert-butyl ketone, and 2,2,6,6-tetramethylheptane-3,5-dione. Three-coordinate, heteroleptic species [Cu(LX)OAr]- were shown by experiment and DFT calculations to be the most stable complexes in catalytic systems containing 8-hydroxyquinoline or 2-pyridylmethyl tert-butyl ketone and to be generated reversibly in the system containing 2,2,6,6-tetramethylheptane-3,5-dione. These heteroleptic complexes were characterized by a combination of 19F NMR, 1H NMR, and UV-vis spectroscopy, as well as ESI-MS. The heteroleptic complexes generated in situ react with iodoarenes to form biaryl ethers in high yields without evidence for an aryl radical intermediate. Measurements of 13C/12C isotope effects showed that oxidative addition of the iodoarene occurs irreversibly. This information, in combination with the kinetic data, shows that oxidative addition occurs to the [Cu(LX)OAr]- complexes and is turnover-limiting. A Hammett analysis of the effect of phenoxide electronic properties on the rate of the reaction of [Cu(LX)OAr]- with iodotoluene also is consistent with oxidative addition of the iodoarene to an anionic phenoxide complex. Calculations by DFT suggest that this oxidative addition is followed by dissociation of I- and reductive elimination of the biaryl ether from the resulting neutral Cu(III) complex.
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Affiliation(s)
- Ramesh Giri
- Department of Chemistry, University of California , Berkeley, California 94720, United States
| | - Andrew Brusoe
- Department of Chemistry, University of California , Berkeley, California 94720, United States
| | - Konstantin Troshin
- Department of Chemistry, University of California , Berkeley, California 94720, United States.,Chemical Sciences Division, Lawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, California 94720, United States
| | - Justin Y Wang
- Department of Chemistry, University of California , Berkeley, California 94720, United States
| | - Marc Font
- Department of Chemistry, University of California , Berkeley, California 94720, United States
| | - John F Hartwig
- Department of Chemistry, University of California , Berkeley, California 94720, United States.,Chemical Sciences Division, Lawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, California 94720, United States
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36
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Wu K, Xie ZP, Cui DM, Zhang C. Formal total synthesis of salvianolic acid N. Org Biomol Chem 2018; 16:832-837. [DOI: 10.1039/c7ob03025h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Salvianolic acid N was synthesized starting from 3,4-dimethoxybenzaldehyde in 11 steps and with an overall yield of 11%. The key reaction steps were the Wittig reaction for Z-stereoselectivity, the copper catalyzed intramolecular cyclization for seven membered ring skeleton, and the deprotected allylic group with Pd catalysis.
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Affiliation(s)
- Kong Wu
- College of Pharmaceutical Science
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Zhong Pao Xie
- College of Pharmaceutical Science
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Dong-Mei Cui
- College of Pharmaceutical Science
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Chen Zhang
- School of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou 310058
- China
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37
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Ribas X, Devillard M. Model Macrocyclic Ligands for Proof-of-Concept Mechanistic Studies in Transition-Metal Catalysis. Chemistry 2017; 24:1222-1230. [DOI: 10.1002/chem.201704408] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Xavi Ribas
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química; Universitat de Girona; Campus Montilivi, Facultat Ciències E17003 Girona Catalonia Spain
| | - Marc Devillard
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química; Universitat de Girona; Campus Montilivi, Facultat Ciències E17003 Girona Catalonia Spain
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38
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Lo QA, Sale D, Braddock DC, Davies RP. Mechanistic and Performance Studies on the Ligand-Promoted Ullmann Amination Reaction. ACS Catal 2017. [DOI: 10.1021/acscatal.7b03664] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Quintin A. Lo
- Department
of Chemistry, Imperial College London, South Kensington, London SW7 2AZ, United Kingdom
| | - David Sale
- Process
Studies Group, Jealott’s Hill Research Centre, Syngenta, Bracknell, Berkshire RG42 6EY, United Kingdom
| | - D. Christopher Braddock
- Department
of Chemistry, Imperial College London, South Kensington, London SW7 2AZ, United Kingdom
| | - Robert P. Davies
- Department
of Chemistry, Imperial College London, South Kensington, London SW7 2AZ, United Kingdom
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39
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Sherborne GJ, Adomeit S, Menzel R, Rabeah J, Brückner A, Fielding MR, Willans CE, Nguyen BN. Origins of high catalyst loading in copper(i)-catalysed Ullmann-Goldberg C-N coupling reactions. Chem Sci 2017; 8:7203-7210. [PMID: 29147546 PMCID: PMC5688446 DOI: 10.1039/c7sc02859h] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 08/29/2017] [Indexed: 12/20/2022] Open
Abstract
A mechanistic investigation of Ullmann-Goldberg reactions using soluble and partially soluble bases led to the identification of various pathways for catalyst deactivation through (i) product inhibition with amine products, (ii) by-product inhibition with inorganic halide salts, and (iii) ligand exchange by soluble carboxylate bases. The reactions using partially soluble inorganic bases showed variable induction periods, which are responsible for the reproducibility issues in these reactions. Surprisingly, more finely milled Cs2CO3 resulted in a longer induction period due to the higher concentration of the deprotonated amine/amide, leading to suppressed catalytic activity. These results have significant implications on future ligand development for the Ullmann-Goldberg reaction and on the solid form of the inorganic base as an important variable with mechanistic ramifications in many catalytic reactions.
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Affiliation(s)
- Grant J Sherborne
- Institute of Process Research & Development , School of Chemistry , University of Leeds , Woodhouse Lane , Leeds , LS2 9JT , UK .
| | - Sven Adomeit
- Leibniz Institut für Katalyse e.V , Albert-Einstein Straβe 29a , 18059 , Rostock , Germany
| | - Robert Menzel
- Institute of Process Research & Development , School of Chemistry , University of Leeds , Woodhouse Lane , Leeds , LS2 9JT , UK .
| | - Jabor Rabeah
- Leibniz Institut für Katalyse e.V , Albert-Einstein Straβe 29a , 18059 , Rostock , Germany
| | - Angelika Brückner
- Leibniz Institut für Katalyse e.V , Albert-Einstein Straβe 29a , 18059 , Rostock , Germany
| | - Mark R Fielding
- AstraZeneca , Pharmaceutical Technology and Development , Etherow T41/18, Silk Road Business Park, Charter Way , Macclesfield , SK10 2NA , UK
| | - Charlotte E Willans
- Institute of Process Research & Development , School of Chemistry , University of Leeds , Woodhouse Lane , Leeds , LS2 9JT , UK .
| | - Bao N Nguyen
- Institute of Process Research & Development , School of Chemistry , University of Leeds , Woodhouse Lane , Leeds , LS2 9JT , UK .
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40
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Shi WM, Li XH, Liang C, Mo DL. Base-Free Selective O
-Arylation and Sequential [3,3]-Rearrangement of Amidoximes with Diaryliodonium Salts: Synthesis of 2-Substituted Benzoxazoles. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700906] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Wei-Min Shi
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Ministry of Science and Technology of China; School of Chemistry and Pharmaceutical Sciences; Guangxi Normal University; 15 Yu Cai Road Guilin 541004 People's Republic of China
| | - Xiao-Hua Li
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Ministry of Science and Technology of China; School of Chemistry and Pharmaceutical Sciences; Guangxi Normal University; 15 Yu Cai Road Guilin 541004 People's Republic of China
| | - Cui Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Ministry of Science and Technology of China; School of Chemistry and Pharmaceutical Sciences; Guangxi Normal University; 15 Yu Cai Road Guilin 541004 People's Republic of China
| | - Dong-Liang Mo
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Ministry of Science and Technology of China; School of Chemistry and Pharmaceutical Sciences; Guangxi Normal University; 15 Yu Cai Road Guilin 541004 People's Republic of China
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41
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Liu X, Xu W, Zeng MT, Liu M, Chang CZ, Zhu H, Dong ZB. Base-promoted synthesis of N-arylbenzamides by N-benzoylation of dimethylphenylthioureas. JOURNAL OF CHEMICAL RESEARCH 2017. [DOI: 10.3184/174751917x15016635672213] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
An efficient synthesis of 10 N-arylbenzamides was achieved by N-benzoylation of N,N-dimethyl-( N′-phenyl)thioureas with 4-substituted benzoyl chlorides in dimethylacetamide in the presence of K2CO3. The features of this method include good yields, short reaction times and broad substrate scope. This work showed that arylthiourea derivatives can be alternative and useful starting materials for the preparation of N-arylbenzamides.
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Affiliation(s)
- Xing Liu
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, P.R. China
| | - Wan Xu
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, P.R. China
| | - Meng-Tian Zeng
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, P.R. China
| | - Min Liu
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, P.R. China
| | - Cai-Zhu Chang
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, P.R. China
| | - Hui Zhu
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, P.R. China
| | - Zhi-Bing Dong
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, P.R. China
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42
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Parveen I, Ahmed N. CuI mediated synthesis of heterocyclic flavone-benzofuran fused derivatives. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.04.101] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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43
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Gao J, Bhunia S, Wang K, Gan L, Xia S, Ma D. Discovery of N-(Naphthalen-1-yl)-N′-alkyl Oxalamide Ligands Enables Cu-Catalyzed Aryl Amination with High Turnovers. Org Lett 2017; 19:2809-2812. [DOI: 10.1021/acs.orglett.7b00901] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Jie Gao
- Interdisciplinary
Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 26 Qiuyue Lu, Shanghai 201210, China
| | - Subhajit Bhunia
- State
Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling
Lu, Shanghai 200032, China
| | - Kailiang Wang
- Interdisciplinary
Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 26 Qiuyue Lu, Shanghai 201210, China
| | - Lu Gan
- Interdisciplinary
Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 26 Qiuyue Lu, Shanghai 201210, China
| | - Shanghua Xia
- Interdisciplinary
Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 26 Qiuyue Lu, Shanghai 201210, China
| | - Dawei Ma
- Interdisciplinary
Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 26 Qiuyue Lu, Shanghai 201210, China
- State
Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling
Lu, Shanghai 200032, China
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44
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Dai K, Wang K, Li Y, Chen JG, Liu ZW, Lu J, Liu ZT. Construction of β-Trifluoromethyl Enol Ether via Base-Promoted C-O Coupling and Rearrangement of Hydrogen Atom. J Org Chem 2017; 82:4721-4728. [PMID: 28426212 DOI: 10.1021/acs.joc.7b00396] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A novel, high-efficiency and high-selectivity construction of β-trifluoromethyl enol ether via base-induced/promoted C-O coupling of trifluoromethylated vinyl chloride and phenols is presented with a broad substrate scope. The reaction mechanism, especially the significantly high selectivity, was excavated and understood via DFT calculation and is well supported by the experimental observation.
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Affiliation(s)
- Kun Dai
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), and School of Chemistry and Chemical Engineering, Shaanxi Normal University , Xi'an 710119, China
| | - Kuan Wang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), and School of Chemistry and Chemical Engineering, Shaanxi Normal University , Xi'an 710119, China
| | - Yang Li
- State Key Laboratory of Fluorine and Nitrogen Chemicals, Xi'an Modern Chemistry Research Institute , Xi'an 710065, China
| | - Jian-Gang Chen
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), and School of Chemistry and Chemical Engineering, Shaanxi Normal University , Xi'an 710119, China
| | - Zhong-Wen Liu
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), and School of Chemistry and Chemical Engineering, Shaanxi Normal University , Xi'an 710119, China
| | - Jian Lu
- State Key Laboratory of Fluorine and Nitrogen Chemicals, Xi'an Modern Chemistry Research Institute , Xi'an 710065, China
| | - Zhao-Tie Liu
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), and School of Chemistry and Chemical Engineering, Shaanxi Normal University , Xi'an 710119, China
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45
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Zhai Y, Chen X, Zhou W, Fan M, Lai Y, Ma D. Copper-Catalyzed Diaryl Ether Formation from (Hetero)aryl Halides at Low Catalytic Loadings. J Org Chem 2017; 82:4964-4969. [DOI: 10.1021/acs.joc.7b00493] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yuntong Zhai
- State
Key Laboratory of Natural Medicines, Center of Drug Discovery, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Xiaofei Chen
- State
Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Wei Zhou
- State
Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Mengyang Fan
- State
Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Yisheng Lai
- State
Key Laboratory of Natural Medicines, Center of Drug Discovery, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Dawei Ma
- State
Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
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46
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Gurjar KK, Sharma RK. Mechanistic Studies of Ullmann-Type C-N Coupling Reactions: Carbonate-Ligated Copper(III) Intermediates. ChemCatChem 2017. [DOI: 10.1002/cctc.201601174] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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47
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Rovira M, Jašíková L, Andris E, Acuña-Parés F, Soler M, Güell I, Wang MZ, Gómez L, Luis JM, Roithová J, Ribas X. A CuI/CuIII prototypical organometallic mechanism for the deactivation of an active pincer-like CuI catalyst in Ullmann-type couplings. Chem Commun (Camb) 2017; 53:8786-8789. [DOI: 10.1039/c7cc04491g] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Decomposition pathways in Ullmann C–O couplings have been studied by helium tagging IRPD and DFT studies, supporting aryl–CuIII intermediate species.
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48
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Serra J, Parella T, Ribas X. Au(iii)-aryl intermediates in oxidant-free C-N and C-O cross-coupling catalysis. Chem Sci 2016; 8:946-952. [PMID: 28572904 PMCID: PMC5452266 DOI: 10.1039/c6sc03699f] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 09/22/2016] [Indexed: 01/17/2023] Open
Abstract
Au(iii)-aryl species have been crystallographically isolated as reactive intermediates in oxidant-free C–O and C–N cross coupling processes, using aromatic and aliphatic alcohols and amines, as well as water and amides, as nucleophiles.
Au(iii)-aryl species have been unequivocally identified as reactive intermediates in oxidant-free C–O and C–N cross coupling catalysis. The crystal structures of cyclometalated neutral and cationic Au(iii) species are described and their key role in 2 electron-redox Au(i)/Au(iii) catalysis in C–O and C–N cross couplings is shown. Nucleophiles compatible with Au-catalyzed cross couplings include aromatic and aliphatic alcohols and amines, as well as water and amides.
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Affiliation(s)
- Jordi Serra
- QBIS-CAT Group , Institut de Química Computacional i Catàlisi (IQCC) , Departament de Química , Universitat de Girona , Campus Montilivi , Girona , E-17003 , Catalonia , Spain .
| | - Teodor Parella
- Servei de RMN , Facultat de Cieǹcies , Universitat Autoǹoma de Barcelona , Campus UAB , Bellaterra E-08193 , Catalonia , Spain
| | - Xavi Ribas
- QBIS-CAT Group , Institut de Química Computacional i Catàlisi (IQCC) , Departament de Química , Universitat de Girona , Campus Montilivi , Girona , E-17003 , Catalonia , Spain .
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