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Yu X, Ji X, Shang D, Yu L, Chan PWH, Rao W. Rhodium(I)-Catalyzed Cascade Annulation of 1, n-Diynyl Nitrones to 3,4-Fused Fully Substituted Furans. Org Lett 2024; 26:6631-6636. [PMID: 39087730 DOI: 10.1021/acs.orglett.4c02287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2024]
Abstract
A method for the assembly of fully substituted furans containing a 3,4-fused 5-8-membered carbocycle, heterocycle, or spirocycle from rhodium(I)-catalyzed and 1,1,1,3,3,3-hexafluoroisopropanol (HFIP)-assisted cascade annulation of 1,n-diynyl nitrones has been developed.
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Affiliation(s)
- Xiangdong Yu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Xiaowen Ji
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Dandan Shang
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Lei Yu
- School of Chemistry, Monash University, Clayton, Victoria 3800, Australia
| | | | - Weidong Rao
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
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2
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Motiwala HF, Armaly AM, Cacioppo JG, Coombs TC, Koehn KRK, Norwood VM, Aubé J. HFIP in Organic Synthesis. Chem Rev 2022; 122:12544-12747. [PMID: 35848353 DOI: 10.1021/acs.chemrev.1c00749] [Citation(s) in RCA: 117] [Impact Index Per Article: 58.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
1,1,1,3,3,3-Hexafluoroisopropanol (HFIP) is a polar, strongly hydrogen bond-donating solvent that has found numerous uses in organic synthesis due to its ability to stabilize ionic species, transfer protons, and engage in a range of other intermolecular interactions. The use of this solvent has exponentially increased in the past decade and has become a solvent of choice in some areas, such as C-H functionalization chemistry. In this review, following a brief history of HFIP in organic synthesis and an overview of its physical properties, literature examples of organic reactions using HFIP as a solvent or an additive are presented, emphasizing the effect of solvent of each reaction.
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Affiliation(s)
- Hashim F Motiwala
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
| | - Ahlam M Armaly
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
| | - Jackson G Cacioppo
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
| | - Thomas C Coombs
- Department of Chemistry, University of North Carolina Wilmington, Wilmington, North Carolina 28403 United States
| | - Kimberly R K Koehn
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
| | - Verrill M Norwood
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
| | - Jeffrey Aubé
- Divison of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 United States
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Shukla PM, Bhattacharya A, Pratap A, Pradhan A, Sinha P, Soni T, Maji B. HFIP-promoted halo-carbocyclizations of N- and O-tethered arene–alkene substrates to access all halo (X = Br, I, Cl)-functionalized tetrahydroquinoline and chroman cores. Org Biomol Chem 2022; 20:8136-8144. [DOI: 10.1039/d2ob01597h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Herein, a HFIP-promoted mild and efficient method for the synthesis of all halo (X = Br, I, Cl)-functionalized tetrahydroquinoline and chroman building blocks is disclosed.
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Affiliation(s)
- Pushpendra Mani Shukla
- Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak-484886, Madhya Pradesh, India
| | - Aditya Bhattacharya
- Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak-484886, Madhya Pradesh, India
| | - Aniruddh Pratap
- Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak-484886, Madhya Pradesh, India
| | - Akash Pradhan
- Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak-484886, Madhya Pradesh, India
| | - Puspita Sinha
- Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak-484886, Madhya Pradesh, India
| | - Tanishk Soni
- Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak-484886, Madhya Pradesh, India
| | - Biswajit Maji
- Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak-484886, Madhya Pradesh, India
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Kabi AK, Gujjarappa R, Roy A, Sahoo A, Musib D, Vodnala N, Singh V, Malakar CC. Transition-Metal-Free Transfer Hydrogenative Cascade Reaction of Nitroarenes with Amines/Alcohols: Redox-Economical Access to Benzimidazoles. J Org Chem 2021; 86:14597-14607. [PMID: 34662119 DOI: 10.1021/acs.joc.1c01450] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
This report describes an efficient transition-metal-free process toward the transfer hydrogenative cascade reaction between nitroarenes and amines or alcohols. The developed redox-economical approach was realized using a combination of KOtBu and Et3SiH as reagents, which allows the synthesis of benzimidazole derivatives via σ-bond metathesis. The reaction conditions hold well over a wide range of substrates embedded with diverse functional groups to deliver the desired products in good to excellent yields. The mechanistic proposal has been depicted on the basis of a series of control experiments, mass spectroscopic evidence which is well supported by density functional theory (DFT) calculations with a feasible energy profile.
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Affiliation(s)
- Arup K Kabi
- Department of Chemistry, National Institute of Technology Manipur, Langol, Imphal - 795004, Manipur, India
| | - Raghuram Gujjarappa
- Department of Chemistry, National Institute of Technology Manipur, Langol, Imphal - 795004, Manipur, India
| | - Anupam Roy
- Department of Chemistry, National Institute of Technology Manipur, Langol, Imphal - 795004, Manipur, India
| | - Abhishek Sahoo
- Department of Chemistry, National Institute of Technology Manipur, Langol, Imphal - 795004, Manipur, India
| | - Dulal Musib
- Department of Chemistry, National Institute of Technology Manipur, Langol, Imphal - 795004, Manipur, India
| | - Nagaraju Vodnala
- Department of Chemistry, National Institute of Technology Manipur, Langol, Imphal - 795004, Manipur, India.,Department of Chemistry, Indian Institute of Technology Delhi, Multi-Storey Building, HauzKhas, New Delhi, 110016 India
| | - Virender Singh
- Department of Chemistry, Central University of Punjab, Bathinda, 151401 Punjab, India
| | - Chandi C Malakar
- Department of Chemistry, National Institute of Technology Manipur, Langol, Imphal - 795004, Manipur, India
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5
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Gadde K, Maes BUW, Abbaspour Tehrani K. HFIP-mediated 2-aza-Cope rearrangement: metal-free synthesis of α-substituted homoallylamines at ambient temperature. Org Biomol Chem 2021; 19:4067-4075. [PMID: 33978010 DOI: 10.1039/d1ob00404b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
An efficient metal-free strategy for the synthesis of α-substituted homoallylamine derivatives has been developed via a 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP)-promoted 2-aza-Cope rearrangement of aldimines, generated in situ by condensation of aldehydes with easily accessible 1,1-diphenylhomoallylamines. This reaction provides rapid access to α-substituted homoallylamines with excellent functional group tolerance and yields. The reaction takes place at room temperature and no chromatographic purification is required for product isolation. The synthetic utility of the current method is further demonstrated by the transformation of the obtained benzophenone ketimines into N-unprotected homoallylamines, an α-amino alcohol and an α-amino amide.
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Affiliation(s)
- Karthik Gadde
- Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium.
| | - Bert U W Maes
- Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium.
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Kabi AK, Gujjarappa R, Vodnala N, Kaldhi D, Tyagi U, Mukherjee K, Malakar CC. HFIP-mediated strategy towards β-oxo amides and subsequent Friedel-Craft type cyclization to 2‑quinolinones using recyclable catalyst. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152535] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Gujjarappa R, Vodnala N, Reddy VG, Malakar CC. A Facile C‐H Insertion Strategy using Combination of HFIP and Isocyanides: Metal‐Free Access to Azole Derivatives. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000481] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Raghuram Gujjarappa
- Department of Chemistry National Institute of Technology Manipur, Langol Imphal 795004, Manipur India
| | - Nagaraju Vodnala
- Department of Chemistry National Institute of Technology Manipur, Langol Imphal 795004, Manipur India
| | - Velma Ganga Reddy
- Centre for Advanced Materials & Industrial Chemistry (CAMIC) School of Science RMIT University GPO Box 2476 Melbourne 3001 Australia
| | - Chandi C. Malakar
- Department of Chemistry National Institute of Technology Manipur, Langol Imphal 795004, Manipur India
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Milovanović MR, Dherbassy Q, Wencel‐Delord J, Colobert F, Zarić SD, Djukic J. The Affinity of Some Lewis Bases for Hexafluoroisopropanol as a Reference Lewis Acid: An ITC/DFT Study. Chemphyschem 2020; 21:2136-2142. [DOI: 10.1002/cphc.202000560] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Indexed: 01/30/2023]
Affiliation(s)
- Milan R. Milovanović
- Innovation center of Faculty of Chemistry Studentski trg 12–16 11000 Belgrade Serbia
- Laboratoire de Chimie et Systémique Organo-Métalliques (UMR 7177) Université de Strasbourg 4, rue Blaise Pascal 67000 Strasbourg France
| | - Quentin Dherbassy
- Laboratoire d'Innovation Moléculaire et applications (UMR 7042) Université de Strasbourg 25, rue Becquerel 67087 Strasbourg France
| | - Joanna Wencel‐Delord
- Laboratoire d'Innovation Moléculaire et applications (UMR 7042) Université de Strasbourg 25, rue Becquerel 67087 Strasbourg France
| | - Françoise Colobert
- Laboratoire d'Innovation Moléculaire et applications (UMR 7042) Université de Strasbourg 25, rue Becquerel 67087 Strasbourg France
| | - Snežana D. Zarić
- Faculty of Chemistry University of Belgrade Studentski trg 12–16 11000 Belgrade Serbia
| | - Jean‐Pierre Djukic
- Laboratoire de Chimie et Systémique Organo-Métalliques (UMR 7177) Université de Strasbourg 4, rue Blaise Pascal 67000 Strasbourg France
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Gujjarappa R, Vodnala N, Putta V, Ganga Reddy V, Malakar CC. Conversion of alkynes into 1,2-diketones using HFIP as sacrificial hydrogen donor and DMSO as dihydroxylating agent. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2019.151588] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Cho JH, Byun S, Cho A, Kim BM. One-pot, chemoselective synthesis of secondary amines from aryl nitriles using a PdPt–Fe 3O 4 nanoparticle catalyst. Catal Sci Technol 2020. [DOI: 10.1039/d0cy00630k] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
We have developed a new catalytic method for the one-pot, cascade synthesis of unsymmetrical secondary amines via the reductive amination of aryl nitriles with nitroalkanes using a PdPt–Fe3O4 nanoparticle (NP) catalyst.
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Affiliation(s)
- Jin Hee Cho
- Department of Chemistry
- College of Natural Sciences
- Seoul National University
- Gwanak-gu
- Republic of Korea
| | - Sangmoon Byun
- The Research Institute of Basic Sciences
- Seoul National University
- Gwanak-gu
- Republic of Korea
| | - Ahra Cho
- Department of Chemistry
- College of Natural Sciences
- Seoul National University
- Gwanak-gu
- Republic of Korea
| | - B. Moon Kim
- Department of Chemistry
- College of Natural Sciences
- Seoul National University
- Gwanak-gu
- Republic of Korea
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11
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An X, Xiao J. Fluorinated Alcohols: Magic Reaction Medium and Promoters for Organic Synthesis. CHEM REC 2019; 20:142-161. [DOI: 10.1002/tcr.201900020] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 06/07/2019] [Indexed: 12/28/2022]
Affiliation(s)
- Xiao‐De An
- College of Chemistry and Pharmaceutical SciencesQingdao Agricultural University
| | - Jian Xiao
- College of Chemistry and Pharmaceutical SciencesQingdao Agricultural University
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12
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Tang RJ, Retailleau P, Milcent T, Crousse B. Direct Amination of Arenes with Azodicarboxylates Catalyzed by Bisulfate Salt/HFIP Association. ACS OMEGA 2019; 4:8960-8966. [PMID: 31459984 PMCID: PMC6648143 DOI: 10.1021/acsomega.9b00781] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 05/10/2019] [Indexed: 06/10/2023]
Abstract
A mild and efficient amination of arenes with azodicarboxylates using potassium bisulfate (KHSO4) as the catalyst in 1,1,1,3,3,3-hexafluoro-2-propanol has been developed. This protocol allowed the amination of a broad range of arenes leading to corresponding hydrazides in good to excellent yields.
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Affiliation(s)
- Ren-Jin Tang
- Faculté
de Pharmacie, UMR 8076, BioCIS, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 92290 Châtenay-Malabry, France
| | - Pascal Retailleau
- Institut
de Chimie des Substances Naturelles, CNRS UPR 2301, Univ. Paris-Sud, Université Paris-Saclay, 1, avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Thierry Milcent
- Faculté
de Pharmacie, UMR 8076, BioCIS, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 92290 Châtenay-Malabry, France
| | - Benoit Crousse
- Faculté
de Pharmacie, UMR 8076, BioCIS, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 92290 Châtenay-Malabry, France
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Lu L, Liu H, Hua R. HNO 3/HFIP: A Nitrating System for Arenes with Direct Observation of π-Complex Intermediates. Org Lett 2018; 20:3197-3201. [PMID: 29767980 DOI: 10.1021/acs.orglett.8b01028] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
This report describes an efficient nitrating system for the nitration of arenes at room temperature by using an equivalent of nitric acid in HFIP (1,1,1,3,3,3-hexafluoroisopropanol). The π-complex intermediate of an arene with a nitronium ion stabilized by HFIP can be directly observed by UV-vis spectra and is supported by theoretical calculations.
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Affiliation(s)
- Le Lu
- Department of Chemistry, Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education , Tsinghua University , Beijing 100084 , China
| | - Huixin Liu
- Department of Chemistry, Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education , Tsinghua University , Beijing 100084 , China
| | - Ruimao Hua
- Department of Chemistry, Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education , Tsinghua University , Beijing 100084 , China
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