1
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Bulger AS, Nasrallah DJ, Tena Meza A, Garg NK. Enantioselective nickel-catalyzed Mizoroki-Heck cyclizations of amide electrophiles. Chem Sci 2024; 15:2593-2600. [PMID: 38362425 PMCID: PMC10866352 DOI: 10.1039/d3sc05797f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 01/08/2024] [Indexed: 02/17/2024] Open
Abstract
Amide cross-couplings that rely on C-N bond activation by transition metal catalysts have emerged as valuable synthetic tools. Despite numerous discoveries in this field, no catalytic asymmetric variants have been disclosed to date. Herein, we demonstrate the first such transformation, which is the Mizoroki-Heck cyclization of amide substrates using asymmetric nickel catalysis. This proof-of-concept study provides an entryway to complex enantioenriched polycyclic scaffolds and advances the field of amide C-N bond activation chemistry.
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Affiliation(s)
- Ana S Bulger
- Department of Chemistry and Biochemistry, University of California at Los Angeles Los Angeles California 90095 USA
| | - Daniel J Nasrallah
- Department of Chemistry and Biochemistry, University of California at Los Angeles Los Angeles California 90095 USA
| | - Arismel Tena Meza
- Department of Chemistry and Biochemistry, University of California at Los Angeles Los Angeles California 90095 USA
| | - Neil K Garg
- Department of Chemistry and Biochemistry, University of California at Los Angeles Los Angeles California 90095 USA
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2
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Munawar S, Zahoor AF, Mansha A, Bokhari TH, Irfan A. Update on novel synthetic approaches towards the construction of carbazole nuclei: a review. RSC Adv 2024; 14:2929-2946. [PMID: 38239436 PMCID: PMC10794906 DOI: 10.1039/d3ra07270c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 01/10/2024] [Indexed: 01/22/2024] Open
Abstract
The carbazole scaffold is a significant entity in organic compounds due to its variety of biological and synthetic applications. Traditionally, carbazole skeletons have been synthesized either via the Grabe-Ullman method, Clemo-Perkin method or Tauber method. With the passage of time, these methods have been modified and explored to accomplish the synthesis of target compounds. These methods include hydroarylations, C-H activations, annulations and cyclization reactions mediated by a variety of catalysts to construct carbazole-based compounds. This brief review article intends to provide recent updates on important methodological developments reported for the synthesis of carbazole nuclei covering 2019-2023.
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Affiliation(s)
- Saba Munawar
- Department of Chemistry, Government College University Faisalabad, 38000-Faisalabad Pakistan
| | - Ameer Fawad Zahoor
- Department of Chemistry, Government College University Faisalabad, 38000-Faisalabad Pakistan
| | - Asim Mansha
- Department of Chemistry, Government College University Faisalabad, 38000-Faisalabad Pakistan
| | - Tanveer Hussain Bokhari
- Department of Chemistry, Government College University Faisalabad, 38000-Faisalabad Pakistan
| | - Ahmad Irfan
- Department of Chemistry, King Khalid University Abha 61413 P.O. Box 9004 Saudi Arabia
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3
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Rubel CZ, Cao Y, El-Hayek Ewing T, Laudadio G, Beutner GL, Wisniewski SR, Wu X, Baran PS, Vantourout JC, Engle KM. Electroreductive Synthesis of Nickel(0) Complexes. Angew Chem Int Ed Engl 2024; 63:e202311557. [PMID: 37984444 DOI: 10.1002/anie.202311557] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 11/09/2023] [Accepted: 11/17/2023] [Indexed: 11/22/2023]
Abstract
Over the last fifty years, the use of nickel catalysts for facilitating organic transformations has skyrocketed. Nickel(0) sources act as useful precatalysts because they can enter a catalytic cycle through ligand exchange, without needing to undergo additional elementary steps. However, most Ni(0) precatalysts are synthesized with stoichiometric aluminum-hydride reductants, pyrophoric reagents that are not atom-economical and must be used at cryogenic temperatures. Here, we demonstrate that Ni(II) salts can be reduced on preparative scale using electrolysis to yield a variety of Ni(0) and Ni(II) complexes that are widely used as precatalysts in organic synthesis, including bis(1,5-cyclooctadiene)nickel(0) [Ni(COD)2 ]. This method overcomes the reproducibility issues of previously reported methods by standardizing the procedure, such that it can be performed anywhere in a robust manner. It can be transitioned to large scale through an electrochemical recirculating flow process and extended to an in situ reduction protocol to generate catalytic amounts of Ni(0) for organic transformations. We anticipate that this work will accelerate adoption of preparative electrochemistry for the synthesis of low-valent organometallic complexes in academia and industry.
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Affiliation(s)
- Camille Z Rubel
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICMBS, UMR 5246 du CNRS), Université Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
| | - Yilin Cao
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA
| | - Tamara El-Hayek Ewing
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA
| | - Gabriele Laudadio
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA
| | - Gregory L Beutner
- Chemical Process Development, Bristol Myers Squibb, 1 Squibb Drive, New Brunswick, NJ 08903, USA
| | - Steven R Wisniewski
- Chemical Process Development, Bristol Myers Squibb, 1 Squibb Drive, New Brunswick, NJ 08903, USA
| | - Xiangyu Wu
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, USA
| | - Phil S Baran
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA
| | - Julien C Vantourout
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICMBS, UMR 5246 du CNRS), Université Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
- Syngenta Crop Protection AG, Schaffauserstrasse, 4332, Stein, Switzerland
| | - Keary M Engle
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA
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4
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Singh V, Rajput K, Mishra A, Singh S, Srivastava V. Microwave-assisted chemoselective transamidation of secondary amides by selective N-C(O) bond cleavage under catalyst, additive and solvent-free conditions. Chem Commun (Camb) 2023; 59:14009-14012. [PMID: 37941417 DOI: 10.1039/d3cc04128j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
A microwave-assisted, highly chemoselective protocol has been developed for the transamidation of tert-butyloxycarbonyl (Boc) activated secondary carboxamides with amines. Under non-conventional microwave techniques, the reactions were achieved under catalyst, additive, promoter and solvent-free conditions. The transamidation of a structurally diverse set of amides and amines was accomplished in good to excellent yields. The salient features of the developed methodology include a simple operation, broad substrate scope, functional group tolerance, practicality, and the scalability.
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Affiliation(s)
- Vishal Singh
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi-221005, UP, India.
| | - Khushbu Rajput
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi-221005, UP, India.
| | - Ankush Mishra
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi-221005, UP, India.
| | - Sundaram Singh
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi-221005, UP, India.
| | - Vandana Srivastava
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi-221005, UP, India.
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5
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Karakaya I, Rizwan K, Munir S. Transition‐Metal Catalyzed Coupling Reactions for the Synthesis of (Het)aryl Ketones: An Approach from their Synthesis to Biological Perspectives. ChemistrySelect 2023. [DOI: 10.1002/slct.202204005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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6
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Slavík P, Trowse BR, O'Brien P, Smith DK. Organogel delivery vehicles for the stabilization of organolithium reagents. Nat Chem 2023; 15:319-325. [PMID: 36797326 PMCID: PMC9986108 DOI: 10.1038/s41557-023-01136-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 01/16/2023] [Indexed: 02/18/2023]
Abstract
Organolithium reagents are a vital tool in modern organic chemistry, enabling the synthesis of carbon-carbon bonds. However, due to their high reactivity, low temperatures, inert atmospheres and strictly dried solvents are usually necessary for their use. Here we report an encapsulating method for the stabilization of sensitive organolithium reagents-PhLi, n-BuLi and s-BuLi-in a low-cost hexatriacontane (C36H74) organogel. The use of this technology is showcased in nucleophilic addition reactions under ambient conditions, low-temperature bromine-lithium exchange, ortho-lithiation and C-H functionalization. The gel substantially enhances organolithium stability, allows simple storage, handling and delivery, and enables reproducible reagent portioning. The use of gels as easily divided delivery vehicles for hazardous organometallics has the potential to transform this area of synthetic chemistry, making these powerful reactions safer and more accessible to non-specialist researchers, and enabling the more widespread use of these common synthetic methods.
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Affiliation(s)
- Petr Slavík
- Department of Chemistry, University of York, York, UK
| | | | - Peter O'Brien
- Department of Chemistry, University of York, York, UK.
| | - David K Smith
- Department of Chemistry, University of York, York, UK.
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7
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Tran VT, Kim N, Rubel CZ, Wu X, Kang T, Jankins TC, Li ZQ, Joannou MV, Ayers S, Gembicky M, Bailey J, Sturgell EJ, Sanchez BB, Chen JS, Lin S, Eastgate MD, Wisniewski SR, Engle KM. Structurally Diverse Bench-Stable Nickel(0) Pre-Catalysts: A Practical Toolkit for In Situ Ligation Protocols. Angew Chem Int Ed Engl 2023; 62:e202211794. [PMID: 36524997 PMCID: PMC9987410 DOI: 10.1002/anie.202211794] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 12/23/2022]
Abstract
A flurry of recent research has centered on harnessing the power of nickel catalysis in organic synthesis. These efforts have been bolstered by contemporaneous development of well-defined nickel (pre)catalysts with diverse structure and reactivity. In this report, we present ten different bench-stable, 18-electron, formally zero-valent nickel-olefin complexes that are competent pre-catalysts in various reactions. Our investigation includes preparations of novel, bench-stable Ni(COD)(L) complexes (COD=1,5-cyclooctadiene), in which L=quinone, cyclopentadienone, thiophene-S-oxide, and fulvene. Characterization by NMR, IR, single-crystal X-ray diffraction, cyclic voltammetry, thermogravimetric analysis, and natural bond orbital analysis sheds light on the structure, bonding, and properties of these complexes. Applications in an assortment of nickel-catalyzed reactions underscore the complementary nature of the different pre-catalysts within this toolkit.
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Affiliation(s)
- Van T Tran
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Nana Kim
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Camille Z Rubel
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Xiangyu Wu
- Department of Chemistry and Chemical Biology, Cornell University, 122 Baker Laboratory, Ithaca, NY 14853, USA
| | - Taeho Kang
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Tanner C Jankins
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Zi-Qi Li
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Matthew V Joannou
- Chemical Process Development, Bristol Myers Squibb, 1 Squibb Drive, New Brunswick, NJ 08903, USA
| | - Sloan Ayers
- Chemical Process Development, Bristol Myers Squibb, 1 Squibb Drive, New Brunswick, NJ 08903, USA
| | - Milan Gembicky
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
| | - Jake Bailey
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
| | - Emily J Sturgell
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Brittany B Sanchez
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Jason S Chen
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Song Lin
- Department of Chemistry and Chemical Biology, Cornell University, 122 Baker Laboratory, Ithaca, NY 14853, USA
| | - Martin D Eastgate
- Chemical Process Development, Bristol Myers Squibb, 1 Squibb Drive, New Brunswick, NJ 08903, USA
| | - Steven R Wisniewski
- Chemical Process Development, Bristol Myers Squibb, 1 Squibb Drive, New Brunswick, NJ 08903, USA
| | - Keary M Engle
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
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8
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Liu C, Szostak M. Amide N-C Bond Activation: A Graphical Overview of Acyl and Decarbonylative Coupling. SYNOPEN 2023; 7:88-101. [PMID: 38037650 PMCID: PMC10686541 DOI: 10.1055/a-2035-6733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023] Open
Abstract
This Graphical Review provides an overview of amide bond activation achieved by selective oxidative addition of the N-C(O) acyl bond to transition metals and nucleophilic acyl addition, resulting in acyl and decarbonylative coupling together with key mechanistic details pertaining to amide bond distortion underlying this reactivity manifold.
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Affiliation(s)
- Chengwei Liu
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, China
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA
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9
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He X, Hu S, Xiao Y, Yu L, Duan W. Access to Ketones through Palladium‐Catalyzed Cross‐Coupling of Phenol Derivatives with Nitroalkanes Followed by Nef Reaction. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xiaoyu He
- Guangxi University College of Chemistry and Chemical Engineering 100 East Daxue Road Nanning CHINA
| | - Sengui Hu
- Guangxi University College of Chemistry and Chemical Engineering 100 East Daxue Road Nanning CHINA
| | - Yuxuan Xiao
- Guangxi University College of Chemistry and Chemical Engineering Nanning CHINA
| | - Lin Yu
- Guangxi University Chemistry No. 100, East Daxue Road 530004 Nanning CHINA
| | - Wengui Duan
- Guangxi University College of Chemistry and Chemical Engineering 100 East Daxue Road Nanning CHINA
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10
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Silica-coated magnetic palladium nanocatalyst for Suzuki-Miyaura cross-coupling. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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11
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Aliyu Idris M, Song KH, Lee S. Synthesis of (Hetero)Aroyl Fluorides via a Mild Amides C−N Bond Cleavage. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200275] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Muhammad Aliyu Idris
- Department of Chemistry Chonnam National University Gwangju 61186 Republic of Korea
| | - Kwang Ho Song
- Department of Chemical & Biological Engineering Korea University Seoul 02841 Republic of Korea
| | - Sunwoo Lee
- Department of Chemistry Chonnam National University Gwangju 61186 Republic of Korea
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12
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Dorval C, Stetsiuk O, Gaillard S, Dubois E, Gosmini C, Danoun G. Cobalt Bromide-Catalyzed Negishi-Type Cross-Coupling of Amides. Org Lett 2022; 24:2778-2782. [PMID: 35380446 DOI: 10.1021/acs.orglett.2c00940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Herein, we describe a novel Negishi-type cross-coupling of amides employing only cobalt bromide salt as the catalyst. This original reaction is highly tolerant to various glutarimide amides as well as organozinc coupling partners. These conditions also allow the performance of the cross-coupling reaction in an eco-compatible solvent such as ethyl acetate on a large scale.
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Affiliation(s)
- Céline Dorval
- LCM, CNRS, Ecole polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France
| | - Oleh Stetsiuk
- LCM, CNRS, Ecole polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France
| | - Sylvaine Gaillard
- LCM, CNRS, Ecole polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France
| | - Elodie Dubois
- LCM, CNRS, Ecole polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France
| | - Corinne Gosmini
- LCM, CNRS, Ecole polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France
| | - Grégory Danoun
- LCM, CNRS, Ecole polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France
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13
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Heckershoff R, Maier S, Wurm T, Biegger P, Brödner K, Krämer P, Hoffmann MT, Eberle L, Stein J, Rominger F, Rudolph M, Freudenberg J, Dreuw A, Hashmi ASK, Bunz UHF. Cyclopentannulated Dihydrotetraazapentacenes. Chemistry 2022; 28:e202104203. [PMID: 35020239 PMCID: PMC9303544 DOI: 10.1002/chem.202104203] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Indexed: 11/11/2022]
Affiliation(s)
- Robin Heckershoff
- Organisch-Chemisches Institut (OCI) Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Steffen Maier
- Organisch-Chemisches Institut (OCI) Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Thomas Wurm
- Organisch-Chemisches Institut (OCI) Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Philipp Biegger
- Organisch-Chemisches Institut (OCI) Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Kerstin Brödner
- Organisch-Chemisches Institut (OCI) Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Petra Krämer
- Organisch-Chemisches Institut (OCI) Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Marvin T. Hoffmann
- Interdisziplinäres Zentrum für Wissenschaftliches Rechnen (IWR) Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 205 A 69120 Heidelberg Germany
| | - Lukas Eberle
- Interdisziplinäres Zentrum für Wissenschaftliches Rechnen (IWR) Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 205 A 69120 Heidelberg Germany
| | - Jana Stein
- Interdisziplinäres Zentrum für Wissenschaftliches Rechnen (IWR) Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 205 A 69120 Heidelberg Germany
| | - Frank Rominger
- Organisch-Chemisches Institut (OCI) Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Matthias Rudolph
- Organisch-Chemisches Institut (OCI) Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Jan Freudenberg
- Organisch-Chemisches Institut (OCI) Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Andreas Dreuw
- Interdisziplinäres Zentrum für Wissenschaftliches Rechnen (IWR) Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 205 A 69120 Heidelberg Germany
| | - A. Stephen K. Hashmi
- Organisch-Chemisches Institut (OCI) Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
- Chemistry Department, Faculty of Science King Abdulaziz University Jeddah 21589 Saudi Arabia
| | - Uwe H. F. Bunz
- Organisch-Chemisches Institut (OCI) Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
- Centre for Advanced Materials (CAM) Im Neuenheimer Feld 225 69120 Heidelberg Germany
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14
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Pandey AK. Emerging Nickel Catalysis in Ketones Synthesis Using Carboxylic Acid Derivatives. ChemCatChem 2022. [DOI: 10.1002/cctc.202101982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ashok Kumar Pandey
- IICT CSIR: Indian Institute of Chemical Technology Fluoro-Agrochemicals Uppal RoadTarnaka 500007 Hyderbada INDIA
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15
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Wang CA, Rahman MM, Bisz E, Dziuk B, Szostak R, Szostak M. Palladium-NHC (NHC = N-heterocyclic Carbene)-Catalyzed Suzuki–Miyaura Cross-Coupling of Alkyl Amides. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05738] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Chang-An Wang
- College of Chemistry and Chemical Engineering, Taishan University, Tai’an, Shandong 271000, People’s Republic of China
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Md. Mahbubur Rahman
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Elwira Bisz
- Department of Chemistry, Opole University, 48 Oleska Street, Opole 45-052, Poland
| | - Błażej Dziuk
- Department of Chemistry, University of Science and Technology, Norwida 4/6 14, Wroclaw 50-373, Poland
| | - 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, New Jersey 07102, United States
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16
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Min KH, Iqbal N, Cho EJ. Ni-Catalyzed Reductive Coupling of Alkynes and Amides to Access Multi-Functionalized Indoles. Org Lett 2022; 24:989-994. [PMID: 35050641 DOI: 10.1021/acs.orglett.1c03971] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A nickel-catalyzed reductive coupling of alkynes and amides, followed by base-free transmetalation, proceeded selectively in the presence of an uncommon bidentate primary aminophosphine ligand to access highly functionalized indoles comprising biologically important trifluoromethyl groups and challenging electron-rich alkenyl groups at the 2- and 3-positions, respectively. Indole molecules were installed within natural products or drug molecules under mild conditions, and a trifluoromethylated analogue of a drug molecule (pravadoline) was also synthesized.
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Affiliation(s)
- Kwan Hong Min
- Department of Chemistry, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Naeem Iqbal
- Department of Chemistry, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Eun Jin Cho
- Department of Chemistry, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
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17
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Park MS, Lee S. Transition-metal-catalyst-free reaction of amides and acetonitriles: synthesis of β-ketonitriles. Org Chem Front 2022. [DOI: 10.1039/d2qo00884j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The first example of the coupling reaction between amide and acetonitrile for the synthesis of β-ketonitriles was developed. Various amides provide the corresponding β-ketonitriles in good yields.
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Affiliation(s)
- Myeong Seong Park
- Department of Chemistry, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Sunwoo Lee
- Department of Chemistry, Chonnam National University, Gwangju, 61186, Republic of Korea
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18
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Liu Y, Mo X, Majeed I, Zhang M, Wang H, Zeng Z. An Efficient and Straightforward Approach for Accessing Thioesters via Palladium-Catalyzed C-N Cleavage of Thioamides. Org Biomol Chem 2022; 20:1532-1537. [DOI: 10.1039/d1ob02349g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We first report the coupling of activated thioamides with alcohols to efficiently form thioesters via palladium-catalyzed C-N cleavage strategy. The new approach employs the thioamides as thioacylating reagent to give...
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19
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Taillemaud S, Rosset S, Mazet C. Teflon
Magnetic Stirring Capsules (TMSC) as a Practical and Reusable Delivery System for Sensitive Reagents and Catalysts. Helv Chim Acta 2021. [DOI: 10.1002/hlca.202100110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Sylvain Taillemaud
- Department of Organic Chemistry University of Geneva Quai Ernest Ansermet 30 CH-1211 Geneva Switzerland
| | - Stéphane Rosset
- Department of Organic Chemistry University of Geneva Quai Ernest Ansermet 30 CH-1211 Geneva Switzerland
| | - Clément Mazet
- Department of Organic Chemistry University of Geneva Quai Ernest Ansermet 30 CH-1211 Geneva Switzerland
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20
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García‐Garrido SE, Presa Soto A, Hevia E, García‐Álvarez J. Advancing Air‐ and Moisture‐Compatible s‐Block Organometallic Chemistry Using Sustainable Solvents. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100347] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Sergio E. García‐Garrido
- Laboratorio de Compuestos Organometálicos y Catálisis Departamento de Química Orgánica e Inorgánica (IUQOEM) Centro de Innovación en Química Avanzada (ORFEO-CINQA) Facultad de Química Universidad de Oviedo 33071 Oviedo Spain
| | - Alejandro Presa Soto
- Laboratorio de Compuestos Organometálicos y Catálisis Departamento de Química Orgánica e Inorgánica (IUQOEM) Centro de Innovación en Química Avanzada (ORFEO-CINQA) Facultad de Química Universidad de Oviedo 33071 Oviedo Spain
| | - Eva Hevia
- Departement für Chemie, Biochemie und Pharmazie (DCBP) Universität Bern Freiestrasse 3 3012 Bern Switzerland
| | - Joaquín García‐Álvarez
- Laboratorio de Compuestos Organometálicos y Catálisis Departamento de Química Orgánica e Inorgánica (IUQOEM) Centro de Innovación en Química Avanzada (ORFEO-CINQA) Facultad de Química Universidad de Oviedo 33071 Oviedo Spain
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21
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Chen J, Joseph D, Xia Y, Lee S. Amide/Ester Cross-Coupling via C–N/C–H Bond Cleavage: Synthesis of β-Ketoesters. J Org Chem 2021; 86:5943-5953. [DOI: 10.1021/acs.joc.0c02868] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Jiajia Chen
- Department of Chemistry Chonnam National University, Gwangju 61186, Republic of Korea
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, People’s Republic of China
| | - Devaneyan Joseph
- Department of Chemistry Chonnam National University, Gwangju 61186, Republic of Korea
| | - Yuanzhi Xia
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, People’s Republic of China
| | - Sunwoo Lee
- Department of Chemistry Chonnam National University, Gwangju 61186, Republic of Korea
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22
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Boit TB, Mehta MM, Kim J, Baker EL, Garg NK. Reductive Arylation of Amides via a Nickel‐Catalyzed Suzuki–Miyaura‐Coupling and Transfer‐Hydrogenation Cascade. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202012048] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Timothy B. Boit
- Department of Chemistry and Biochemistry University of California, Los Angeles Los Angeles CA 90095 USA
| | - Milauni M. Mehta
- Department of Chemistry and Biochemistry University of California, Los Angeles Los Angeles CA 90095 USA
| | - Junyong Kim
- Department of Chemistry and Biochemistry University of California, Los Angeles Los Angeles CA 90095 USA
| | - Emma L. Baker
- Department of Chemistry and Biochemistry University of California, Los Angeles Los Angeles CA 90095 USA
| | - Neil K. Garg
- Department of Chemistry and Biochemistry University of California, Los Angeles Los Angeles CA 90095 USA
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23
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Boit TB, Mehta MM, Kim J, Baker EL, Garg NK. Reductive Arylation of Amides via a Nickel-Catalyzed Suzuki-Miyaura-Coupling and Transfer-Hydrogenation Cascade. Angew Chem Int Ed Engl 2021; 60:2472-2477. [PMID: 33029868 PMCID: PMC7855255 DOI: 10.1002/anie.202012048] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 09/26/2020] [Indexed: 12/11/2022]
Abstract
We report a means to achieve the addition of two disparate nucleophiles to the amide carbonyl carbon in a single operational step. Our method takes advantage of non-precious-metal catalysis and allows for the facile conversion of amides to chiral alcohols via a one-pot Suzuki-Miyaura cross-coupling/transfer-hydrogenation process. This study is anticipated to promote the development of new transformations that allow for the conversion of carboxylic acid derivatives to functional groups bearing stereogenic centers via cascade processes.
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Affiliation(s)
- Timothy B Boit
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Milauni M Mehta
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Junyong Kim
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Emma L Baker
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Neil K Garg
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
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24
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Borlinghaus N, Kaschel J, Klee J, Haller V, Schetterl J, Heitz S, Lindner T, Dietrich JD, Braje WM, Jolit A. Reagent and Catalyst Capsules: A Chemical Delivery System for Reaction Screening and Parallel Synthesis. J Org Chem 2021; 86:1357-1370. [PMID: 33295768 DOI: 10.1021/acs.joc.0c02576] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Commercially available hydroxypropyl methylcellulose capsules are employed as a fast, safe, and user-friendly chemical delivery system containing all reagents (catalyst, ligand, and base) for three important transition-metal-catalyzed reactions: Buchwald-Hartwig, Suzuki-Miyaura, and metallophotoredox C-N cross-coupling reactions. This encapsulation methodology simplifies the screening of reaction conditions and the preparation of compound libraries using parallel synthesis in organic solvents or aqueous media. These reagents-containing HPMC capsules are easy to prepare, come in different sizes, and can be stored on the bench under noninert conditions.
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Affiliation(s)
- Niginia Borlinghaus
- Medicinal Chemistry Department, Neuroscience Research, AbbVie Deutschland GmbH & Co. KG, Knollstrasse, 67061 Ludwigshafen, Germany
| | - Johannes Kaschel
- Medicinal Chemistry Department, Neuroscience Research, AbbVie Deutschland GmbH & Co. KG, Knollstrasse, 67061 Ludwigshafen, Germany
| | - Johanna Klee
- Medicinal Chemistry Department, Neuroscience Research, AbbVie Deutschland GmbH & Co. KG, Knollstrasse, 67061 Ludwigshafen, Germany
| | - Vanessa Haller
- Medicinal Chemistry Department, Neuroscience Research, AbbVie Deutschland GmbH & Co. KG, Knollstrasse, 67061 Ludwigshafen, Germany
| | - Jasmin Schetterl
- Medicinal Chemistry Department, Neuroscience Research, AbbVie Deutschland GmbH & Co. KG, Knollstrasse, 67061 Ludwigshafen, Germany
| | - Stephanie Heitz
- Medicinal Chemistry Department, Neuroscience Research, AbbVie Deutschland GmbH & Co. KG, Knollstrasse, 67061 Ludwigshafen, Germany
| | - Tanja Lindner
- Medicinal Chemistry Department, Neuroscience Research, AbbVie Deutschland GmbH & Co. KG, Knollstrasse, 67061 Ludwigshafen, Germany
| | - Justin D Dietrich
- Research and Development, AbbVie, Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Wilfried M Braje
- Medicinal Chemistry Department, Neuroscience Research, AbbVie Deutschland GmbH & Co. KG, Knollstrasse, 67061 Ludwigshafen, Germany
| | - Anais Jolit
- Medicinal Chemistry Department, Neuroscience Research, AbbVie Deutschland GmbH & Co. KG, Knollstrasse, 67061 Ludwigshafen, Germany
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25
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Li Q, Cai Y, Jin H, Liu Y, Zhou B. Nickel-catalyzed aminocarbonylation of Aryl/Alkenyl/Allyl (pseudo)halides with isocyanides and H2O. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152605] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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26
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Boit TB, Bulger AS, Dander JE, Garg NK. Activation of C-O and C-N Bonds Using Non-Precious-Metal Catalysis. ACS Catal 2020; 10:12109-12126. [PMID: 33868770 PMCID: PMC8049354 DOI: 10.1021/acscatal.0c03334] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Timothy B Boit
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Ana S Bulger
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Jacob E Dander
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Neil K Garg
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
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27
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Idris MA, Lee S. Palladium-Catalyzed Amide N–C Hiyama Cross-Coupling: Synthesis of Ketones. Org Lett 2020; 22:9190-9195. [DOI: 10.1021/acs.orglett.0c03260] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Muhammad Aliyu Idris
- Department of Chemistry Chonnam National University, Gwangju 61186, Republic of Korea
| | - Sunwoo Lee
- Department of Chemistry Chonnam National University, Gwangju 61186, Republic of Korea
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28
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29
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Nattmann L, Cornella J. Ni(4-tBustb)3: A Robust 16-Electron Ni(0) Olefin Complex for Catalysis. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00485] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Lukas Nattmann
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr 45470, Germany
| | - Josep Cornella
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr 45470, Germany
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30
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Abstract
We report the conversion of amides to carboxylic acids using nonprecious metal catalysis. The methodology strategically employs a nickel-catalyzed esterification using 2-(trimethylsilyl)ethanol, followed by a fluoride-mediated deprotection in a single-pot operation. This approach circumvents catalyst poisoning observed in attempts to directly hydrolyze amides using nickel catalysis. The selectivity and mildness of this transformation are shown through competition experiments and the net-hydrolysis of a complex valine-derived substrate. This strategy addresses a limitation in the field with regard to functional groups accessible from amides using transition metal-catalyzed C-N bond activation and should prove useful in synthetic applications.
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Affiliation(s)
- Rachel R Knapp
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095-1569, United States
| | - Ana S Bulger
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095-1569, United States
| | - Neil K Garg
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095-1569, United States
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31
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Tran VT, Li Z, Apolinar O, Derosa J, Joannou MV, Wisniewski SR, Eastgate MD, Engle KM. Ni(COD)(DQ): An Air‐Stable 18‐Electron Nickel(0)–Olefin Precatalyst. Angew Chem Int Ed Engl 2020; 59:7409-7413. [DOI: 10.1002/anie.202000124] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 02/07/2020] [Indexed: 11/08/2022]
Affiliation(s)
- Van T. Tran
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Zi‐Qi Li
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Omar Apolinar
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Joseph Derosa
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Matthew V. Joannou
- Chemical & Synthetic Development Bristol-Myers Squibb 1 Squibb Drive New Brunswick NJ 08903 USA
| | - Steven R. Wisniewski
- Chemical & Synthetic Development Bristol-Myers Squibb 1 Squibb Drive New Brunswick NJ 08903 USA
| | - Martin D. Eastgate
- Chemical & Synthetic Development Bristol-Myers Squibb 1 Squibb Drive New Brunswick NJ 08903 USA
| | - Keary M. Engle
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
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32
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Tran VT, Li Z, Apolinar O, Derosa J, Joannou MV, Wisniewski SR, Eastgate MD, Engle KM. Ni(COD)(DQ): An Air‐Stable 18‐Electron Nickel(0)–Olefin Precatalyst. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000124] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Van T. Tran
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Zi‐Qi Li
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Omar Apolinar
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Joseph Derosa
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Matthew V. Joannou
- Chemical & Synthetic Development Bristol-Myers Squibb 1 Squibb Drive New Brunswick NJ 08903 USA
| | - Steven R. Wisniewski
- Chemical & Synthetic Development Bristol-Myers Squibb 1 Squibb Drive New Brunswick NJ 08903 USA
| | - Martin D. Eastgate
- Chemical & Synthetic Development Bristol-Myers Squibb 1 Squibb Drive New Brunswick NJ 08903 USA
| | - Keary M. Engle
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
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33
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Yu CG, Matsuo Y. Nickel-Catalyzed Deaminative Acylation of Activated Aliphatic Amines with Aromatic Amides via C-N Bond Activation. Org Lett 2020; 22:950-955. [PMID: 31961696 DOI: 10.1021/acs.orglett.9b04497] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Deaminative functionalization of aliphatic primary amines has great synthetic utility. Herein, we describe a Ni-catalyzed reductive deaminative cross-electrophile coupling reaction between Katritzky salts and aromatic amides. This work provides examples of the synthesis of various ketones from alkylpyridinium salts, including both primary and secondary alkylamines. Given its mild reaction conditions and high functional group tolerance, this cross-coupling strategy is expected to be useful for late-stage functionalization of complex compounds.
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Affiliation(s)
- Chu-Guo Yu
- Hefei National Laboratory for Physical Sciences at Microscale, and Department of Chemistry, School of Chemistry and Materials Science , University of Science and Technology of China , 96 Jinzhai Road , Hefei , Anhui 230026 , China
| | - Yutaka Matsuo
- Hefei National Laboratory for Physical Sciences at Microscale, and Department of Chemistry, School of Chemistry and Materials Science , University of Science and Technology of China , 96 Jinzhai Road , Hefei , Anhui 230026 , China.,Institute of Materials Innovation, Institutes of Innovation for Future Society , Nagoya University , Furo-cho, Chikusa-ku , Nagoya 464-8603 , Japan
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34
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Chen J, Xia Y, Lee S. Coupling of amides with ketones via C–N/C–H bond cleavage: a mild synthesis of 1,3-diketones. Org Chem Front 2020. [DOI: 10.1039/d0qo00797h] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Amides react with enolizable ketones to give 1,3-diketones via C–N cleavage of amides and deprotonation of ketones.
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Affiliation(s)
- Jiajia Chen
- Department of Chemistry
- Chonnam National University
- Gwangju
- Republic of Korea
- College of Chemistry and Materials Engineering
| | - Yuanzhi Xia
- College of Chemistry and Materials Engineering
- Wenzhou University
- Wenzhou
- P. R. China
| | - Sunwoo Lee
- Department of Chemistry
- Chonnam National University
- Gwangju
- Republic of Korea
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