1
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Roy A, Duari S, Maity S, Biswas S, Mishra AK, Biswas S. Regioselective Brønsted acid catalyzed ring opening of aziridines by phenols and thiophenols; a gateway to access functionalized indolines, indoles, benzothiazines, dihydrobenzo-thiazines, benzo-oxazines and benzochromenes. Org Biomol Chem 2024; 22:5653-5664. [PMID: 38919997 DOI: 10.1039/d4ob00196f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2024]
Abstract
Brønsted acid catalyzed regioselective ring opening of aziridines by phenols and thiophenols have been reported. Involvement of a series of aziridines with a range of phenols and thiophenols offer the generality of the reported protocol. Completion of the reaction at room temperature within very short time brings the uniqueness of the developed technique. To emphasis on the application of the developed methodology, the products have been used for the further synthesis of a range of useful and novel heterocyclic molecules such as indolines, indoles, benzothiazines, dihydrobenzothiazines, benzo-oxazines and benzochromenes.
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Affiliation(s)
- Arnab Roy
- Department of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata - 700 009, West Bengal, India.
| | - Surajit Duari
- Department of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata - 700 009, West Bengal, India.
| | - Srabani Maity
- Department of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata - 700 009, West Bengal, India.
| | - Subrata Biswas
- Department of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata - 700 009, West Bengal, India.
| | - Abhishek Kumar Mishra
- Department of Medicinal and Process Chemistry, CSIR-Central Drug Research Institute, Lucknow - 226031, U. P., India
| | - Srijit Biswas
- Department of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata - 700 009, West Bengal, India.
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2
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Dong B, Zhao F, Lv WX, Liu YG, Wei D, Wu J, Chi YR. Regio- and stereoselective access to highly substituted vinylphosphine oxides via metal-free electrophilic phosphonoiodination of alkynes. Nat Commun 2024; 15:5385. [PMID: 38918418 PMCID: PMC11199708 DOI: 10.1038/s41467-024-49640-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 06/13/2024] [Indexed: 06/27/2024] Open
Abstract
In general, the P-centered ring-opening of quaternary phosphirenium salts (QPrS) predominantly leads to hydrophosphorylated products, while the C-centered ring-opening is primarily confined to intramolecular nucleophilic reactions, resulting in the formation of phosphorus-containing cyclization products instead of difunctionalized products generated through intermolecular nucleophilic processes. Here, through the promotion of ring-opening of three-member rings by iodine anions and the quenching of electronegative carbon atoms by iodine cations, we successfully synthesize β-functionalized vinylphosphine oxides by the P-addition of QPrS intermediates generated in situ. Multiple β-iodo-substituted vinylphosphine oxides can be obtained with exceptional regio- and stereo-selectivity by reacting secondary phosphine oxides with unactivated alkynes. In addition, a variety of β-functionalized vinylphosphine oxides converted from C-I bonds, especially the rapid construction of benzo[b]phospholes oxides, demonstrates the significance of this strategy.
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Affiliation(s)
- Bingbing Dong
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, PR China
| | - Fengqian Zhao
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, PR China
| | - Wen-Xin Lv
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, PR China
- School of Chemistry, Chemical Engineering, and Biotechnology, Nanyang Technological University, Singapore, 637371, Singapore
| | - Ying-Guo Liu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, PR China
| | - Donghui Wei
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, PR China.
| | - Junliang Wu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, PR China.
| | - Yonggui Robin Chi
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, PR China.
- School of Chemistry, Chemical Engineering, and Biotechnology, Nanyang Technological University, Singapore, 637371, Singapore.
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3
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Li S, Zhou L. Photocatalytic (3 + 3) Annnulation of Vinyldiazo Compounds and Aminocyclopropanes. Org Lett 2024; 26:3294-3298. [PMID: 38567829 DOI: 10.1021/acs.orglett.4c00963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
A (3 + 3) annulation of aminocyclopropanes and vinyldiazo compounds enabled by organo-photocatalysis is described. The reaction allows the regioselective synthesis of cyclohexenes bearing adjacent amino and carbonyl groups with broad functional group tolerance. In a departure from previous reports, our work demonstrated that a distonic radical cation can be preferentially intercepted by weakly nucleophilic vinyldiazo compounds, followed by an exclusive 6-endo radical cyclization for ring closure. Based on the interaction between adjacent amino and ester groups, the products can be further converted to cyclohexene-fused 1,3-oxazinane and azetidine.
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Affiliation(s)
- Sen Li
- Institute of Green Chemistry and Molecular Engineering, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Lei Zhou
- Institute of Green Chemistry and Molecular Engineering, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
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4
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Laskar R, Dutta S, Spies JC, Mukherjee P, Rentería-Gómez Á, Thielemann RE, Daniliuc CG, Gutierrez O, Glorius F. γ-Amino Alcohols via Energy Transfer Enabled Brook Rearrangement. J Am Chem Soc 2024; 146:10899-10907. [PMID: 38569596 PMCID: PMC11027157 DOI: 10.1021/jacs.4c01667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/08/2024] [Accepted: 03/11/2024] [Indexed: 04/05/2024]
Abstract
In the long-standing quest to synthesize fundamental building blocks with key functional group motifs, photochemistry in the recent past has comprehensively established its attractiveness. Amino alcohols are not only functionally diverse but are ubiquitous in the biologically active realm of compounds. We developed bench-stable bifunctional reagents that could then access the sparsely reported γ-amino alcohols directly from feedstock alkenes through energy transfer (EnT) photocatalysis. A designed 1,3-linkage across alkenes is made possible by the intervention of a radical Brook rearrangement that takes place downstream to the EnT-mediated homolysis of our reagent(s). A combination of experimental mechanistic investigations and detailed computational studies (DFT) indicates a radical chain propagated reaction pathway.
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Affiliation(s)
- Ranjini Laskar
- Organisch-Chemisches
Institut, University of Münster, Corrensstrasse 36, 48149 Münster, Germany
| | - Subhabrata Dutta
- Organisch-Chemisches
Institut, University of Münster, Corrensstrasse 36, 48149 Münster, Germany
| | - Jan C. Spies
- Organisch-Chemisches
Institut, University of Münster, Corrensstrasse 36, 48149 Münster, Germany
| | - Poulami Mukherjee
- Department
of Chemistry, Texas A&M University, 77843 College Station, Texas, United States
| | - Ángel Rentería-Gómez
- Department
of Chemistry, Texas A&M University, 77843 College Station, Texas, United States
| | - Rebecca E. Thielemann
- Organisch-Chemisches
Institut, University of Münster, Corrensstrasse 36, 48149 Münster, Germany
| | - Constantin G. Daniliuc
- Organisch-Chemisches
Institut, University of Münster, Corrensstrasse 36, 48149 Münster, Germany
| | - Osvaldo Gutierrez
- Department
of Chemistry, Texas A&M University, 77843 College Station, Texas, United States
| | - Frank Glorius
- Organisch-Chemisches
Institut, University of Münster, Corrensstrasse 36, 48149 Münster, Germany
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5
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Singh B, Kashyap S, Singh S, Gupta S, Ghorai MK. Catalytic Aminium Radical-Cation Salt (Magic Blue)-Initiated S N2-Type Nucleophilic Ring-Opening Transformations of Aziridines. J Org Chem 2024; 89:2247-2263. [PMID: 38323416 DOI: 10.1021/acs.joc.3c02194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
A simple and atom economic protocol for the construction of C-X/C-C bonds via catalytic aminium radical-cation salt (Magic Blue)-initiated SN2-type nucleophilic ring-opening transformations of racemic and nonracemic aziridines with different hetero and carbon nucleophiles to afford various amino ethers, thioethers, and amines in up to 99% yield, and with perfect enantiospecificity for some substrates but reduced ee with others (for nonracemic aziridines), is developed. This aminium radical-cation salt-initiated, SN2-type nucleophilic ring-opening strategy, along with various cyclization protocols, is employed to synthesize various biologically significant compounds.
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Affiliation(s)
- Bharat Singh
- Department of Chemistry, Indian Institute of Technology, Kanpur 208016, India
| | - Suraj Kashyap
- Department of Chemistry, Indian Institute of Technology, Kanpur 208016, India
| | - Shishir Singh
- Department of Chemistry, Indian Institute of Technology, Kanpur 208016, India
| | - Sikha Gupta
- Department of Chemistry, Indian Institute of Technology, Kanpur 208016, India
| | - Manas K Ghorai
- Department of Chemistry, Indian Institute of Technology, Kanpur 208016, India
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6
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Nagamalla S, Paul D, Mague JT, Sathyamoorthi S. Ring Opening of Aziridines by Pendant Silanols Allows for Preparations of (±)-Clavaminol H, (±)-Des-Acetyl-Clavaminol H, (±)-Dihydrosphingosine, and (±)- N-Hexanoyldihydrosphingosine. Org Lett 2022; 24:6202-6207. [PMID: 35951966 PMCID: PMC10017055 DOI: 10.1021/acs.orglett.2c02496] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We present a unique strategy for the synthesis of vicinal amino alcohols. Ring opening of aziridines with pendant silanols is compatible with a range of substrates. To engage productively in ring opening, the aziridine must be at least mildly activated, and a variety of such N-substituents are tolerated. The utility of this methodology is highlighted in facile preparations of the natural products (±)-Clavaminol H, (±)-dihydrosphingosine, and (±)-N-hexanoyldihydrosphingosine as well as a natural product analogue (±)-des-acetyl-Clavaminol H.
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Affiliation(s)
- Someshwar Nagamalla
- Department of Medicinal Chemistry, University of Kansas, Lawrence, Kansas 66045, United States
| | - Debobrata Paul
- Department of Medicinal Chemistry, University of Kansas, Lawrence, Kansas 66045, United States
| | - Joel T Mague
- Department of Chemistry, Tulane University, New Orleans, Louisiana 70118, United States
| | - Shyam Sathyamoorthi
- Department of Medicinal Chemistry, University of Kansas, Lawrence, Kansas 66045, United States
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7
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Rasaily S, Sharma D, Pradhan S, Diyali N, Chettri S, Gurung B, Tamang S, Pariyar A. Multifunctional Catalysis by a One-Dimensional Copper(II) Metal Organic Framework Containing Pre-existing Coordinatively Unsaturated Sites: Intermolecular C-N, C-O, and C-S Cross-Coupling; Stereoselective Intramolecular C-N Coupling; and Aziridination Reactions. Inorg Chem 2022; 61:13685-13699. [PMID: 36001739 DOI: 10.1021/acs.inorgchem.2c00270] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The coordinatively unsaturated sites (CUS) are vital in metal-centered catalysis. Metal-organic frameworks (MOFs) provide a unique opportunity to generate and stabilize CUS due to their robust structure. Generally, the generation of CUS in MOFs needs prior activation under heat and high vacuum to remove labile molecules occupying the catalytic sites. Herein, we report a solvothermal synthesis of a ready-to-use copper MOF containing accessible pre-existing CUS that does not need activation. The single crystal X-ray diffraction structure reveals a square planar Cu(II) center with two N-methylimidazoles (Mim) and one benzenedicarboxylic acid (BDC) with the formula unit [CuII(BDC)(Mim)2]n (Cu-1D) forming an infinite one-dimensional (1D) chain along the c axis. The 1D chains are stabilized by noncovalent π-π, CH···π, and H-bonding interaction to give 2D (sheet-like) and 3D networks in the solid state. The quantification of non-covalent interaction is studied by Hirshfeld surface analysis, and the formation of a higher architecture in the solid state is confirmed by SEM analysis. The reported Cu-1D MOF acts as a solid heterogeneous catalyst and exhibits efficient catalytic activity in intermolecular and intramolecular cross-coupling reactions. Intermolecular C-heteroatom cross-coupling of a variety of N-heterocycles, aliphatic, aromatic, alicyclic amines and amides (C-N), phenols (C-O), and thiols (C-S) with aryl halides (halide = I, Br) was achieved with 70 to 95% yield, better than the state-of-the-art Cu-based homogenous system. The C-N coupling catalytic cycle is initiated by the in situ reduction of Cu(II) by KOH/DMSO to Cu(I) species. Subsequently, Cu(I) undergoes oxidative addition followed by reductive elimination to form a cross-coupled product. High stereoselectivity was found for the intramolecular C-N coupling reaction to give tetrahydroquinoxalines with an enantiomeric excess (ee) of more than 99%. For a broader application, Cu-1D was applied as the catalyst for the synthesis of a library of aziridines that gives yields of up to 99% with more than 93% recyclability for each cycle.
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Affiliation(s)
- Sagarmani Rasaily
- Department of Chemistry, School of Physical Sciences, Sikkim University, Gangtok737102, East Sikkim, India
| | - Debesh Sharma
- Department of Chemistry, School of Physical Sciences, Sikkim University, Gangtok737102, East Sikkim, India
| | - Sajan Pradhan
- Department of Chemistry, School of Physical Sciences, Sikkim University, Gangtok737102, East Sikkim, India
| | - Nilankar Diyali
- Department of Chemistry, School of Physical Sciences, Sikkim University, Gangtok737102, East Sikkim, India
| | - Shivanand Chettri
- Department of Chemistry, School of Physical Sciences, Sikkim University, Gangtok737102, East Sikkim, India
| | - Bikram Gurung
- Department of Chemistry, School of Physical Sciences, Sikkim University, Gangtok737102, East Sikkim, India
| | - Sudarsan Tamang
- Department of Chemistry, School of Physical Sciences, Sikkim University, Gangtok737102, East Sikkim, India
| | - Anand Pariyar
- Department of Chemistry, School of Physical Sciences, Sikkim University, Gangtok737102, East Sikkim, India
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8
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Modal S, Sarkar S, Ghosh SS, Khan AT. Regioselective ring‐opening of epoxide and N‐tosylaziridine with 4‐hydroxydithiocoumarin: Key precursors of 2,3‐dihydro‐1,4‐oxathiin and 2,3‐dihydro‐1,4‐thiazine derivatives. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Santa Modal
- Indian Institute of Technology Guwahati Department of Chemistry Guwahati INDIA
| | - Shilpi Sarkar
- Indian Institute of Technology Guwahati Biosciences and Bioengineering Guwahati INDIA
| | - Siddhartha S. Ghosh
- Indian Institute of Technology Guwahati Biosciences and Bioengineering Guwahati INDIA
| | - Abu Taleb Khan
- IIT Guwahati: Indian Institute of Technology Guwahati Chemistry Godhuli gopal path 781039 Guwahati INDIA
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9
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Synthesis of Benzenesulfonamide Derivatives via Ring Opening of Aziridines in the Presence of Magnetically Retrievable Graphene Based (CoFe@rGO) Nanohybrid. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-021-02216-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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10
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Xing S, Wang C, Gao T, Wang Y, Wang H, Wang H, Wang K, Zhu B. Construction of 4-spiroannulated tetrahydroisoquinoline skeletons via a sequential ring opening of aziridines and Pictet–Spengler reaction. NEW J CHEM 2022. [DOI: 10.1039/d1nj05031a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A stepwise cyclization involving sequential ring opening of aziridines and Pictet–Spengler reaction has been developed for the synthesis of 4-spiroannulated tetrahydroisoquinoline compounds (22 examples).
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Affiliation(s)
- Siyang Xing
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, People's Republic of China
| | - Chenyu Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, People's Republic of China
| | - Tingxuan Gao
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, People's Republic of China
| | - Yuhan Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, People's Republic of China
| | - Hongzheng Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, People's Republic of China
| | - Hanfei Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, People's Republic of China
| | - Kui Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, People's Republic of China
| | - Bolin Zhu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, People's Republic of China
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11
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Gurung B, Pradhan S, Sharma D, Bhujel D, Basel S, Chettri S, Rasaily S, Pariyar A, Tamang S. CsPbBr 3 perovskite quantum dots as a visible light photocatalyst for cyclisation of diamines and amino alcohols: an efficient approach to synthesize imidazolidines, fused-imidazolidines and oxazolidines. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00799a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report the synthesis of highly stable CsPbBr3QD based photocatalysts using dibromoisocyanuric acid (DBI) as a benign non-toxic bromide precursor.
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Affiliation(s)
- Bikram Gurung
- Department of Chemistry, School of Physical Sciences, Sikkim University, Sikkim 737102, India
| | - Sajan Pradhan
- Department of Chemistry, School of Physical Sciences, Sikkim University, Sikkim 737102, India
| | - Debesh Sharma
- Department of Chemistry, School of Physical Sciences, Sikkim University, Sikkim 737102, India
| | - Deshaj Bhujel
- Department of Chemistry, School of Physical Sciences, Sikkim University, Sikkim 737102, India
| | - Siddhant Basel
- Department of Chemistry, School of Physical Sciences, Sikkim University, Sikkim 737102, India
| | - Shivanand Chettri
- Department of Chemistry, School of Physical Sciences, Sikkim University, Sikkim 737102, India
| | - Sagarmani Rasaily
- Department of Chemistry, School of Physical Sciences, Sikkim University, Sikkim 737102, India
| | - Anand Pariyar
- Department of Chemistry, School of Physical Sciences, Sikkim University, Sikkim 737102, India
| | - Sudarsan Tamang
- Department of Chemistry, School of Physical Sciences, Sikkim University, Sikkim 737102, India
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12
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Fu X, Zhao Q, Zhao W. Synthesis of β‐Alkoxy Amines from Alkenes, Sulfonyl Azides, and Alcohols though Copper‐Catalyzed Three‐Component Tandem Reactions via Regioselective Ring‐Opening of Aziridine Intermediates. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100087] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Xiao‐Fei Fu
- College of Chemistry and Chemical Engineering Shangqiu Normal University Shangqiu 476000 P. R. China
- College of Chemistry Zhengzhou University Zhengzhou 450001 P. R. China
| | - Qiang Zhao
- Department of Chemistry Purdue University West Lafayette Indiana 47907 United States
| | - Wen‐Xian Zhao
- College of Chemistry and Chemical Engineering Shangqiu Normal University Shangqiu 476000 P. R. China
- College of Chemistry Zhengzhou University Zhengzhou 450001 P. R. China
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13
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Lu L, Bi K, Huang X, Liu M, Zhou Y, Wu H. Catalyst and Additive‐Free Selective Ring‐Opening Selenocyanation of Heterocycles with Elemental Selenium and TMSCN. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001423] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Li‐Guo Lu
- College of chemistry and materials engineering Wenzhou University Wenzhou 325035 People's Republic of China
| | - Kang Bi
- College of chemistry and materials engineering Wenzhou University Wenzhou 325035 People's Republic of China
| | - Xiao‐Bo Huang
- College of chemistry and materials engineering Wenzhou University Wenzhou 325035 People's Republic of China
| | - Miao‐Chang Liu
- College of chemistry and materials engineering Wenzhou University Wenzhou 325035 People's Republic of China
| | - Yun‐Bing Zhou
- College of chemistry and materials engineering Wenzhou University Wenzhou 325035 People's Republic of China
| | - Hua‐Yue Wu
- College of chemistry and materials engineering Wenzhou University Wenzhou 325035 People's Republic of China
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14
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Li HH, Li JQ, Zheng X, Huang PQ. Photoredox-Catalyzed Decarboxylative Cross-Coupling of α-Amino Acids with Nitrones. Org Lett 2021; 23:876-880. [PMID: 33433222 DOI: 10.1021/acs.orglett.0c04101] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A decarboxylative cross-coupling reaction of α-amino acids with nitrones via visible-light-induced photoredox catalysis has been established for easy access to β-amino hydroxylamines and vicinal diamines with structural diversity, which is featured with simple operation, mild conditions, readily available α-amino acids, and a broad scope of nitrone substrates. The application of this protocol can furnish efficient synthetic strategies for some valuable vicinal diamine-containing molecules.
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Affiliation(s)
- Heng-Hui Li
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, China
| | - Jia-Qi Li
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, China
| | - Xiao Zheng
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, China.,School of Pharmaceutical Sciences, Xiamen University, Xiamen, Fujian 361102, China
| | - Pei-Qiang Huang
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, China
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15
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Zhu WQ, Zhang ZW, Han WY, Fang YC, Yang P, Li LQ, Chen YZ. Aziridine used as a vinylidene unit in palladium-catalyzed [2 + 2 + 1] domino annulation. Org Chem Front 2021. [DOI: 10.1039/d1qo00458a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A series of chromone fused methylenecyclopentanes are efficiently constructed in moderate to good yields by Pd-catalyzed [2 + 2 + 1] annulation, in which aziridine is used as a vinylidene unit by cleavage of two C–N bonds for the first time.
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Affiliation(s)
- Wen-Qing Zhu
- Xi'an Key Laboratory of Textile Chemical Engineering Auxiliaries
- School of Environmental and Chemical Engineering
- Xi'an Polytechnic University
- Xi'an
- P. R. China
| | - Zi-Wei Zhang
- Xi'an Key Laboratory of Textile Chemical Engineering Auxiliaries
- School of Environmental and Chemical Engineering
- Xi'an Polytechnic University
- Xi'an
- P. R. China
| | - Wen-Yong Han
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province
- Generic Drug Research Center of Guizhou Province
- Green Pharmaceuticals Engineering Research Center of Guizhou Province
- School of Pharmacy
- Zunyi Medical University
| | - Yu-Chen Fang
- Xi'an Key Laboratory of Textile Chemical Engineering Auxiliaries
- School of Environmental and Chemical Engineering
- Xi'an Polytechnic University
- Xi'an
- P. R. China
| | - Ping Yang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province
- Generic Drug Research Center of Guizhou Province
- Green Pharmaceuticals Engineering Research Center of Guizhou Province
- School of Pharmacy
- Zunyi Medical University
| | - Lin-Qiang Li
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province
- Generic Drug Research Center of Guizhou Province
- Green Pharmaceuticals Engineering Research Center of Guizhou Province
- School of Pharmacy
- Zunyi Medical University
| | - Yong-Zheng Chen
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province
- Generic Drug Research Center of Guizhou Province
- Green Pharmaceuticals Engineering Research Center of Guizhou Province
- School of Pharmacy
- Zunyi Medical University
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16
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Xing S, Xia H, Wang C, Wang Y, Hao L, Wang K, Zhu B. A Stepwise Synthesis of Spiroindoline Compounds via Ring Opening of Aziridines and C−H Activation/Cyclization. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202001235] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Siyang Xing
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Hanyu Xia
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Chenyu Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Yuhan Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Lu Hao
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Kui Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Bolin Zhu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
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