1
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Lepori M, Schmid S, Barham JP. Photoredox catalysis harvesting multiple photon or electrochemical energies. Beilstein J Org Chem 2023; 19:1055-1145. [PMID: 37533877 PMCID: PMC10390843 DOI: 10.3762/bjoc.19.81] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 07/07/2023] [Indexed: 08/04/2023] Open
Abstract
Photoredox catalysis (PRC) is a cutting-edge frontier for single electron-transfer (SET) reactions, enabling the generation of reactive intermediates for both oxidative and reductive processes via photon activation of a catalyst. Although this represents a significant step towards chemoselective and, more generally, sustainable chemistry, its efficacy is limited by the energy of visible light photons. Nowadays, excellent alternative conditions are available to overcome these limitations, harvesting two different but correlated concepts: the use of multi-photon processes such as consecutive photoinduced electron transfer (conPET) and the combination of photo- and electrochemistry in synthetic photoelectrochemistry (PEC). Herein, we review the most recent contributions to these fields in both oxidative and reductive activations of organic functional groups. New opportunities for organic chemists are captured, such as selective reactions employing super-oxidants and super-reductants to engage unactivated chemical feedstocks, and scalability up to gram scales in continuous flow. This review provides comparisons between the two techniques (multi-photon photoredox catalysis and PEC) to help the reader to fully understand their similarities, differences and potential applications and to therefore choose which method is the most appropriate for a given reaction, scale and purpose of a project.
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Affiliation(s)
- Mattia Lepori
- Fakultät für Chemie und Pharmazie, Universität Regensburg, Universitatsstraße 31, 93040 Regensburg, Germany
| | - Simon Schmid
- Fakultät für Chemie und Pharmazie, Universität Regensburg, Universitatsstraße 31, 93040 Regensburg, Germany
| | - Joshua P Barham
- Fakultät für Chemie und Pharmazie, Universität Regensburg, Universitatsstraße 31, 93040 Regensburg, Germany
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2
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A Mechanochemical, Catalyst‐Free Cascade Synthesis of 1,3‐Diols and 1,4‐Iodoalcohols Using Styrenes and Hypervalent Iodine Reagents. Angew Chem Int Ed Engl 2022; 61:e202207926. [DOI: 10.1002/anie.202207926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Indexed: 11/07/2022]
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3
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Luo MJ, Xiao Q, Li JH. Electro-/photocatalytic alkene-derived radical cation chemistry: recent advances in synthetic applications. Chem Soc Rev 2022; 51:7206-7237. [PMID: 35880555 DOI: 10.1039/d2cs00013j] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Alkene-derived radical cations are versatile reactive intermediates and have been widely applied in the construction of complex functionalized molecules and cyclic systems for chemical synthesis. Therefore, the synthetic application of these alkene-derived radical cations represents a powerful and green tool that can be used to achieve the functionalization of alkenes partially because the necessity of stoichiometric external chemical oxidants and/or hazardous reaction conditions is eliminated. This review summarizes the recent advances in the synthetic applications of the electro-/photochemical alkene-derived radical cations, emphasizing the key single-electron oxidation steps of the alkenes, the scope and limitations of the substrates, and the related reaction mechanisms. Using electrocatalysis and/or photocatalysis, single electron transfer (SET) oxidation of the CC bonds in the alkenes occurs, generating the alkene-derived radical cations, which sequentially enables the functionalization of translocated radical cations to occur in two ways: the first involves direct reaction with a nucleophile/radical or two molecules of nucleophiles to realize hydrofunctionalization, difunctionalization and cyclization; and the second involves the transformation of the alkene-derived radical cations into carbon-centered radicals using a base followed by radical coupling or oxidative nucleophilic coupling.
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Affiliation(s)
- Mu-Jia Luo
- Key Laboratory of Organic Chemistry of Jiangxi Province, Jiangxi Science & Technology Normal University, Nanchang, 330013, China.
| | - Qiang Xiao
- Key Laboratory of Organic Chemistry of Jiangxi Province, Jiangxi Science & Technology Normal University, Nanchang, 330013, China.
| | - Jin-Heng Li
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China. .,State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 475004, China
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4
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Pan L, Zheng L, Chen Y, Ke Z, Yeung YY. Mechanochemical and Catalyst‐Free Cascade Synthesis of 1,3‐Diols and 1,4‐Iodoalcohols Using Styrenes and Hypervalent Iodine Reagents. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202207926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Liangkun Pan
- The Chinese University of Hong Kong Faculty of Science Department of Chemistry HONG KONG
| | - Long Zheng
- The Chinese University of Hong Kong Faculty of Science Department of Chemistry HONG KONG
| | - Ye Chen
- The Chinese University of Hong Kong Faculty of Science Department of Chemistry HONG KONG
| | - Zhihai Ke
- The Chinese University of Hong Kong - Shenzhen School of Science and Engineering CHINA
| | - Ying-Yeung Yeung
- The Chinese University of Hong Kong Chemistry Shatin, NT, Hong Kong, China 000000 Hong Kong HONG KONG
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5
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Zhang L, Chen P, Bai S. Decarboxylative alkylarylation of alkenes with PhI(O2CR)2 to access benzimidazo[2,1-a]isoquinolin-6(5H)-ones catalyzed by a low-valent divanadium complex. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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6
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Pan L, Ke Z, Yeung YY. Lewis Base Catalyzed Dioxygenation of Olefins with Hypervalent Iodine Reagents. Org Lett 2021; 23:8174-8178. [PMID: 34632779 DOI: 10.1021/acs.orglett.1c02872] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
1,2-Diols are extremely useful building blocks in organic synthesis. Hypervalent iodine reagents are useful for the vicinal dihydroxylation of olefins to give 1,2-diols under metal-free conditions, but strongly acidic promoters are often required. Herein, we report a catalytic vicinal dioxygenation of olefins with hypervalent iodine reagents using Lewis bases as catalysts. The conditions are mild and compatible with various functional groups.
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Affiliation(s)
- Liangkun Pan
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, NT, Hong Kong
| | - Zhihai Ke
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, NT, Hong Kong
| | - Ying-Yeung Yeung
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, NT, Hong Kong
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7
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Gao X, Lin J, Zhang L, Lou X, Guo G, Peng N, Xu H, Liu Y. Iodine-Initiated Dioxygenation of Aryl Alkenes Using tert-Butylhydroperoxides and Water: A Route to Vicinal Diols and Bisperoxides. J Org Chem 2021; 86:15469-15480. [PMID: 34706535 DOI: 10.1021/acs.joc.1c01968] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An environment-friendly and efficient dioxygenation of aryl alkenes for the construction of vicinal diols has been developed in water with iodine as the catalyst and tert-butylhydroperoxides (TBHPs) as the oxidant. The protocol was efficient, sustainable, and operationally simple. Detailed mechanistic studies indicated that one of the hydroxyl groups is derived from water and the other one is derived from TBHP. Additionally, the bisperoxides could be obtained in good yields with iodine as the catalyst, Na2CO3 as the additive, and propylene carbonate as the solvent, instead.
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Affiliation(s)
- Xiaofang Gao
- Key Laboratory of Coal Conversion and New Carbon Materials of Hubei Province, College of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China
| | - Jiani Lin
- Key Laboratory of Coal Conversion and New Carbon Materials of Hubei Province, College of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China
| | - Li Zhang
- Key Laboratory of Coal Conversion and New Carbon Materials of Hubei Province, College of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China
| | - Xinyao Lou
- Key Laboratory of Coal Conversion and New Carbon Materials of Hubei Province, College of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China
| | - Guanghui Guo
- Key Laboratory of Coal Conversion and New Carbon Materials of Hubei Province, College of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China
| | - Na Peng
- Key Laboratory of Coal Conversion and New Carbon Materials of Hubei Province, College of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China
| | - Huan Xu
- Key Laboratory of Coal Conversion and New Carbon Materials of Hubei Province, College of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China
| | - Yi Liu
- Key Laboratory of Coal Conversion and New Carbon Materials of Hubei Province, College of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China.,State Key Laboratory of Membrane of Separation and Membrane Process, School of Chemistry and Chemical Engineering & School of Environmental Science and Engineering, Tiangong University, Tianjin 300378, P. R. China
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8
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Abstract
A method for the acetoxyhydroxylation of olefins with syn stereoselectivity under electrophotocatalytic conditions is described. The procedure uses a trisaminocyclopropenium (TAC) ion catalyst with visible light irradiation under a controlled electrochemical potential to convert aryl olefins to the corresponding glycol monoesters with high chemo- and diastereoselectivity. This reaction can be performed in batch or in flow, enabling multigram synthesis of the monoester products.
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Affiliation(s)
- He Huang
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Tristan H Lambert
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
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9
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Chung DS, Park SH, Lee SG, Kim H. Electrochemically driven stereoselective approach to syn-1,2-diol derivatives from vinylarenes and DMF. Chem Sci 2021; 12:5892-5897. [PMID: 34168814 PMCID: PMC8179677 DOI: 10.1039/d1sc00760b] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 03/22/2021] [Indexed: 12/25/2022] Open
Abstract
We have developed an electrochemically driven strategy for the stereoselective synthesis of protected syn-1,2-diols from vinylarenes with N,N-dimethylformamide (DMF). The newly developed system obviates the need for transition metal catalysts or external oxidizing agents, thus providing an operationally simple and efficient route to an array of protected syn-1,2-diols in a single step. This reaction proceeds via an electrooxidation of olefin, followed by a nucleophilic attack of DMF. Subsequent oxidation and nucleophilic capture of the generated carbocation with a trifluoroacetate ion is proposed, which gives rise predominantly to a syn-diastereoselectivity upon the second nucleophilic attack of DMF.
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Affiliation(s)
- Da Sol Chung
- Department of Chemistry and Nanoscience, Ewha Womans University 03760 Seoul Korea
| | - Steve H Park
- Department of Chemistry and Nanoscience, Ewha Womans University 03760 Seoul Korea
| | - Sang-Gi Lee
- Department of Chemistry and Nanoscience, Ewha Womans University 03760 Seoul Korea
| | - Hyunwoo Kim
- Department of Chemistry and Nanoscience, Ewha Womans University 03760 Seoul Korea
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10
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Zhang L, Zhou H, Bai S, Li S. A benzene-bridged divanadium complex-early transition metal catalyst for alkene alkylarylation with PhI(O 2CR) 2via decarboxylation. Dalton Trans 2021; 50:3201-3206. [PMID: 33576352 DOI: 10.1039/d0dt04295a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis, structure and catalytic activity of a benzene-bridged divanadium complex were comprehensively studied. The reduction of (Nacnac)VCl2 (1) (Nacnac = (2,6-iPr2C6H3NCMe)2HC) supported by β-diketiminate with potassium graphite (KC8) by employing benzene as the solvent allows access to the benzene-bridged inverted-sandwich divanadium complex (μ-η6:η6-C6H6)[V(Nacnac)]2 (2a), which can catalyze alkene alkylarylation with hypervalent iodine(iii) reagents (HIRs) via decarboxylation to generate regioselectively diverse indolinones. Furthermore, the mild nature of this reaction was amenable to a wide range of functionalities on alkenes and HIRs. Mechanistic studies revealed a relay sequence of decarboxylative radical alkylation/radical arylation/oxidative re-aromatization.
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Affiliation(s)
- Lei Zhang
- Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, China.
| | - Hongfei Zhou
- Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, China.
| | - Shaokun Bai
- Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, China.
| | - Shaodan Li
- College of Resources and Environment Science, Hebei Normal University, Shijiazhuang 050024, China.
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11
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Zhang L, Wang Y, Yang Y, Zhang P, Wang C. Rhenium-catalyzed alkylarylation of alkenes with PhI(O2CR)2via decarboxylation to access indolinones and dihydroquinolinones. Org Chem Front 2020. [DOI: 10.1039/d0qo00953a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Rhenium-catalyzed alkylarylation of alkenes with hypervalent iodine(iii) reagents (HIRs) via decarboxylation to access various 3,3-disubstituted indolinones and trans-3,4-dihydroquinolinones is described.
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Affiliation(s)
- Lei Zhang
- National Demonstration Center for Experimental Chemistry Education
- Hebei Key Laboratory of Organic Functional Molecules
- College of Chemistry and Material Science
- Hebei Normal University
- Shijiazhuang 050024
| | - Yin Wang
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
| | - Yunhui Yang
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
| | - Ping Zhang
- National Demonstration Center for Experimental Chemistry Education
- Hebei Key Laboratory of Organic Functional Molecules
- College of Chemistry and Material Science
- Hebei Normal University
- Shijiazhuang 050024
| | - Congyang Wang
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
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12
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Wang Y, Yang Y, Wang C. Rhenium‐Catalyzed Decarboxylative Tri‐/Difluoromethylation of Styrenes with Fluorinated Carboxylic Acid‐Derived Hypervalent Iodine Reagents. CHINESE J CHEM 2019. [DOI: 10.1002/cjoc.201900296] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yin Wang
- Radiochemistry Laboratory, School of Nuclear Science and TechnologyLanzhou University Lanzhou Gansu 730000 China
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Yunhui Yang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
- Physical Science LaboratoryHuairou National Comprehensive Science Center Beijing 101400 China
| | - Congyang Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
- Physical Science LaboratoryHuairou National Comprehensive Science Center Beijing 101400 China
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13
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Brahmachari G, Karmakar I. sp
2-C-H Acetoxylation of Diversely Substituted (E
)-1-(Arylmethylene)-2-phenylhydrazines Using PhI(OAc)2
as Acetoxy Source at Ambient Conditions. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900994] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Goutam Brahmachari
- Laboratory of Natural Products & Organic Synthesis; Department of Chemistry; Visva-Bharati(a Central University); 731 235 Santiniketan- West Bengal India
| | - Indrajit Karmakar
- Laboratory of Natural Products & Organic Synthesis; Department of Chemistry; Visva-Bharati(a Central University); 731 235 Santiniketan- West Bengal India
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14
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Shaikh AC, Banerjee S, Mule RD, Bera S, Patil NT. External Oxidant-Dependent Reactivity Switch in Copper-Mediated Intramolecular Carboamination of Alkynes: Access to a Different Class of Fluorescent Ionic Nitrogen-Doped Polycyclic Aromatic Hydrocarbons. J Org Chem 2019; 84:4120-4130. [PMID: 30813732 DOI: 10.1021/acs.joc.9b00120] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
An interesting case of external oxidant-controlled reactivity switch leading to a divergent set of ionic nitrogen-doped polycyclic aromatic hydrocarbons (N-doped PAHs), is presented here, which is quite unrecognized in copper-mediated reactions. In the current scenario, from the same pyridino-alkyne substrates, the use of the external oxidant PhI(OAc)2, in combination with Cu(OTf)2, gave N-doped spiro-PAHs via a dearomative 1,2-carboamination process; whereas, without the use of oxidant, an alkyne/azadiene [4 + 2]-cycloaddition cascade occurred to exclusively afford ionic N-doped PAHs. These newly synthesized N-doped PAHs further exhibit tunable emissions, as well as excellent quantum efficiencies.
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Affiliation(s)
- Aslam C Shaikh
- Division of Organic Chemistry , CSIR-National Chemical Laboratory , Dr. Homi Bhabha Road , Pune - 411 008 , India.,Academy of Scientific and Innovative Research (AcSIR) , Ghaziabad - 201 002 , India
| | - Somsuvra Banerjee
- Division of Organic Chemistry , CSIR-National Chemical Laboratory , Dr. Homi Bhabha Road , Pune - 411 008 , India.,Academy of Scientific and Innovative Research (AcSIR) , Ghaziabad - 201 002 , India
| | - Ravindra D Mule
- Division of Organic Chemistry , CSIR-National Chemical Laboratory , Dr. Homi Bhabha Road , Pune - 411 008 , India.,Academy of Scientific and Innovative Research (AcSIR) , Ghaziabad - 201 002 , India
| | - Saibal Bera
- Division of Physical and Materials Chemistry , CSIR-National Chemical Laboratory , Dr. Homi Bhabha Road , Pune - 411 008 , India.,Academy of Scientific and Innovative Research (AcSIR) , Ghaziabad - 201 002 , India
| | - Nitin T Patil
- Department of Chemistry , Indian Institute of Science Education and Research (IISER)-Bhopal , Bhopal - 462 066 , India
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15
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Shaikh AC, Varma ME, Mule RD, Banerjee S, Kulkarni PP, Patil NT. Ionic Pyridinium-Oxazole Dyads: Design, Synthesis, and Application in Mitochondrial Imaging. J Org Chem 2019; 84:1766-1777. [PMID: 30638382 DOI: 10.1021/acs.joc.8b02528] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
We recently developed an oxidative intramolecular 1,2-amino-oxygenation reaction, combining gold(I)/gold(III) catalysis, for accessing structurally unique ionic pyridinium-oxazole dyads (PODs) with tunable emission wavelengths. On further investigation, these fluorophores turned out to be potential biomarkers; in particular, the one containing -NMe2 functionality (NMe2-POD) was highly selective for mitochondrial imaging. Of note, because of mitochondria's involvement in early-stage apoptosis and degenerative conditions, tracking the dynamics of mitochondrial morphology with such imaging technology has attracted much interest. Along this line, we wanted to build a library of such PODs which are potential mitochondria trackers. However, Au/Selecfluor, our first-generation catalyst system, suffers from undesired fluorination of electronically rich PODs resulting in an inseparable mixture (1:1) of the PODs and their fluorinated derivatives. In our attempt to search for a better alternative to circumvent this issue, we developed a second-generation approach for the synthesis of PODs by employing Cu(II)/PhI(OAC)2-mediated oxidative 1,2-amino-oxygenation of alkynes. Thes newly synthesized PODs exhibit tunable emissions as well as excellent quantum efficiency up to 0.96. Further, this powerful process gives rapid access to a library of NMe2-PODs which are potential mitochondrial imaging agents. Out of the library, the randomly chosen POD-3g was studied for cell-imaging experiments which showed high mitochondrial specificity, superior photostability, and appreciable tolerance to microenvironment changes with respect to commercially available MitoTracker green.
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Affiliation(s)
- Aslam C Shaikh
- Division of Organic Chemistry CSIR-National Chemical Laboratory , Dr. Homi Bhabha Road , Pune 411 008 , India.,Academy of Scientific and Innovative Research (AcSIR) , Ghaziabad 201 002 , India
| | - Mokshada E Varma
- Savitribai Phule Pune University , Ganeshkhind Road , Pune 411 007 , India.,Bioprospecting Group , Agharkar Research Institute , G. G. Agarkar Road , Pune 411 004 , India
| | - Ravindra D Mule
- Division of Organic Chemistry CSIR-National Chemical Laboratory , Dr. Homi Bhabha Road , Pune 411 008 , India.,Academy of Scientific and Innovative Research (AcSIR) , Ghaziabad 201 002 , India
| | - Somsuvra Banerjee
- Division of Organic Chemistry CSIR-National Chemical Laboratory , Dr. Homi Bhabha Road , Pune 411 008 , India.,Academy of Scientific and Innovative Research (AcSIR) , Ghaziabad 201 002 , India
| | - Prasad P Kulkarni
- Savitribai Phule Pune University , Ganeshkhind Road , Pune 411 007 , India.,Bioprospecting Group , Agharkar Research Institute , G. G. Agarkar Road , Pune 411 004 , India
| | - Nitin T Patil
- Department of Chemistry , Indian Institute of Science Education and Research (IISER)-Bhopal , Bhopal 462 066 , India
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16
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Zhang S, Li L, Wu P, Gong P, Liu R, Xu K. Substrate‐Dependent Electrochemical Dimethoxylation of Olefins. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801173] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Sheng Zhang
- Engineering Technology Research Center of Henan Province for Solar Catalysis, College of Chemistry and Pharmaceutical EngineeringNanyang Normal University Nanyang 473061 People's Republic of China
| | - Lijun Li
- Engineering Technology Research Center of Henan Province for Solar Catalysis, College of Chemistry and Pharmaceutical EngineeringNanyang Normal University Nanyang 473061 People's Republic of China
| | - Ping Wu
- Engineering Technology Research Center of Henan Province for Solar Catalysis, College of Chemistry and Pharmaceutical EngineeringNanyang Normal University Nanyang 473061 People's Republic of China
| | - Pengjuan Gong
- Engineering Technology Research Center of Henan Province for Solar Catalysis, College of Chemistry and Pharmaceutical EngineeringNanyang Normal University Nanyang 473061 People's Republic of China
| | - Rui Liu
- School of Basic Medical SciencesAnhui Medical University 81 Meishan Road Hefei 230032 People's Republic of China
| | - Kun Xu
- Engineering Technology Research Center of Henan Province for Solar Catalysis, College of Chemistry and Pharmaceutical EngineeringNanyang Normal University Nanyang 473061 People's Republic of China
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17
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Yang QL, Wang XY, Lu JY, Zhang LP, Fang P, Mei TS. Copper-Catalyzed Electrochemical C-H Amination of Arenes with Secondary Amines. J Am Chem Soc 2018; 140:11487-11494. [PMID: 30165030 DOI: 10.1021/jacs.8b07380] [Citation(s) in RCA: 228] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Electrochemical oxidation represents an environmentally friendly solution to conventional methods that require caustic stoichiometric chemical oxidants. However, C-H functionalizations merging transition-metal catalysis and electrochemical techniques are, to date, largely confined to the use of precious metals and divided cells. Herein, we report the first examples of copper-catalyzed electrochemical C-H aminations of arenes at room temperature using undivided electrochemical cells, thereby providing a practical solution for the construction of arylamines. The use of n-Bu4NI as a redox mediator is crucial for this transformation. On the basis of mechanistic studies including kinetic profiles, isotope effects, cyclic voltammetric analyses, and radical inhibition experiments, the reaction appears to proceed via a single-electron-transfer (SET) process, and a high valent Cu(III) species is likely involved. These findings provide a new avenue for transition-metal-catalyzed electrochemical C-H functionalization reactions using redox mediators.
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Affiliation(s)
- Qi-Liang Yang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China.,Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry & Molecular Engineering , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , China
| | - Xiang-Yang Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
| | - Jia-Yan Lu
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
| | - Li-Pu Zhang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
| | - Ping Fang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
| | - Tian-Sheng Mei
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
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18
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Bag R, Punniyamurthy T. K2S2O8-Mediated Dioxygenation of Aryl Alkenes UsingN-Hydroxylamines and Air. ChemistrySelect 2018. [DOI: 10.1002/slct.201801154] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Raghunath Bag
- Department of Chemistry; Indian Institution of Technology Guwahati; Guwahati - 781039 India
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19
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Zhang G, Wang R, Li G. Non-metallic gold nanoclusters for oxygen activation and aerobic oxidation. CHINESE CHEM LETT 2018. [DOI: 10.1016/j.cclet.2018.01.043] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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20
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Liu Y, Tian G, Li J, Qi Y, Wen Y, Du F. Reductive Bis-addition of Aromatic Aldehydes to α,β-Unsaturated Esters via the Use of Sm/Cu(I) in Air: A Route to the Construction of Furofuran Lignans. J Org Chem 2017; 82:5932-5939. [DOI: 10.1021/acs.joc.7b00278] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yongjun Liu
- State Key Laboratory Base
of Eco-chemical Engineering; Key Laboratory of Sensor Analysis of Tumor Marker,
Ministry of Education; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Guang Tian
- State Key Laboratory Base
of Eco-chemical Engineering; Key Laboratory of Sensor Analysis of Tumor Marker,
Ministry of Education; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Jingjing Li
- State Key Laboratory Base
of Eco-chemical Engineering; Key Laboratory of Sensor Analysis of Tumor Marker,
Ministry of Education; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Yan Qi
- State Key Laboratory Base
of Eco-chemical Engineering; Key Laboratory of Sensor Analysis of Tumor Marker,
Ministry of Education; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Yonghong Wen
- State Key Laboratory Base
of Eco-chemical Engineering; Key Laboratory of Sensor Analysis of Tumor Marker,
Ministry of Education; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Feng Du
- State Key Laboratory Base
of Eco-chemical Engineering; Key Laboratory of Sensor Analysis of Tumor Marker,
Ministry of Education; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
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21
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Srinivas BTV, Supriya P, Rohithrao V, Naidu NVS, Sreedhar B. Magnetic CuFe
2
O
4
and Fe
3
O
4
Nanoparticles Catalyzed Diacetoxylation of Alkenes and 1,2‐Oxyacetoxylation of Terminal Alkynes Using PhI(OAc)
2
as Oxidant. ChemistrySelect 2017. [DOI: 10.1002/slct.201700205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- B. T. V. Srinivas
- Inorganic & Physical Chemistry DivisionIndian Institute of Chemical Technology (Council of Scientific & Industrial Research) Hyderabad - 500007 India
| | - P. Supriya
- Department of ChemistrySri Venkateshwara University Tirupati, Andhra Pradesh India
| | - V. Rohithrao
- Inorganic & Physical Chemistry DivisionIndian Institute of Chemical Technology (Council of Scientific & Industrial Research) Hyderabad - 500007 India
| | - N. V. S. Naidu
- Department of ChemistrySri Venkateshwara University Tirupati, Andhra Pradesh India
| | - B. Sreedhar
- Inorganic & Physical Chemistry DivisionIndian Institute of Chemical Technology (Council of Scientific & Industrial Research) Hyderabad - 500007 India
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22
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Theodorou A, Triandafillidi I, Kokotos CG. Green Organocatalytic Dihydroxylation of Alkenes. European J Org Chem 2017. [DOI: 10.1002/ejoc.201601144] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Alexis Theodorou
- Laboratory of Organic Chemistry; Department of Chemistry; National and Kapodistrian University of Athens; Panepistimiopolis 15771 Athens Greece
| | - Ierasia Triandafillidi
- Laboratory of Organic Chemistry; Department of Chemistry; National and Kapodistrian University of Athens; Panepistimiopolis 15771 Athens Greece
| | - Christoforos G. Kokotos
- Laboratory of Organic Chemistry; Department of Chemistry; National and Kapodistrian University of Athens; Panepistimiopolis 15771 Athens Greece
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23
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Mondal M, Choudhury J. Structure–activity comparison in palladium–N–heterocyclic carbene (NHC) catalyzed arene C H activation- functionalization. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.molcata.2016.06.027] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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24
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Wang W, He Q, Fan R. PhI(OAc) 2-mediated dialkoxylation of 4-aminostyrenes through a dearomatization process under metal-free conditions. Org Chem Front 2017. [DOI: 10.1039/c7qo00545h] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A PhI(OAc)2-mediated dialkoxylation of 4-aminostyrenes has been developed to afford 2,3-disubstituted 1,4-dioxane or 1,2-dimethoxyethane derivatives.
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Affiliation(s)
- Weiyi Wang
- Department of Chemistry
- Fudan University
- Shanghai
- China
| | - Qiuqin He
- Department of Chemistry
- Fudan University
- Shanghai
- China
| | - Renhua Fan
- Department of Chemistry
- Fudan University
- Shanghai
- China
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25
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Atomic level tuning of the catalytic properties: Doping effects of 25-atom bimetallic nanoclusters on styrene oxidation. Catal Today 2016. [DOI: 10.1016/j.cattod.2015.11.019] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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26
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Zhang TS, Xiong YJ, Hao WJ, Zhu XT, Wang SL, Li G, Tu SJ, Jiang B. DDQ-Mediated Three-Component Dioxygenation of Alkenes. J Org Chem 2016; 81:9350-9355. [DOI: 10.1021/acs.joc.6b01988] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Tian-Shu Zhang
- School
of Chemistry and Chemical Engineering, Jiangsu Key Laboratory of Green
Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Yan-Jie Xiong
- School
of Chemistry and Chemical Engineering, Jiangsu Key Laboratory of Green
Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Wen-Juan Hao
- School
of Chemistry and Chemical Engineering, Jiangsu Key Laboratory of Green
Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Xiao-Tong Zhu
- School
of Chemistry and Chemical Engineering, Jiangsu Key Laboratory of Green
Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Shu-Liang Wang
- School
of Chemistry and Chemical Engineering, Jiangsu Key Laboratory of Green
Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Guigen Li
- Department
of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409-1061, United States
| | - Shu-Jiang Tu
- School
of Chemistry and Chemical Engineering, Jiangsu Key Laboratory of Green
Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Bo Jiang
- School
of Chemistry and Chemical Engineering, Jiangsu Key Laboratory of Green
Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
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27
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Qian B, Xiong H, Zhu N, Ye C, Jian W, Bao H. Copper-catalyzed diesterification of 1,3-diene for the synthesis of allylic diester compounds. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.06.087] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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28
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Zhang JZ, Tang Y. Iron-Catalyzed Regioselective Oxo- and Hydroxy-Phthalimidation of Styrenes: Access to α-Hydroxyphthalimide Ketones. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201500732] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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29
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Bag R, Sar D, Punniyamurthy T. Iron(iii)-catalyzed aerobic dioxygenation of styrenes using N-hydroxyphthalimide and N-hydroxybenzotriazole. Org Biomol Chem 2016; 14:3246-55. [DOI: 10.1039/c6ob00210b] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The dioxygenation of alkenes with NHPI/HOBt in air is described using commercial iron salt as the catalyst under ambient conditions with a broad substrate scope and functional group tolerance. The products can be readily converted into the corresponding 1,2-diols in high yields.
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Affiliation(s)
- Raghunath Bag
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati 781039
- India
| | - Dinabandhu Sar
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati 781039
- India
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30
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Srinivas BTV, Rawat VS, Sreedhar B. Iron-Catalyzed Dioxygenation of Alkenes and Terminal Alkynes by using (Diacetoxyiodo)benzene as Oxidant. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500681] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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31
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Shimogaki M, Fujita M, Sugimura T. Stereoselective Formation of Substituted 1,3-Dioxolanes through a Three-Component Assembly during the Oxidation of Alkenes with Hypervalent Iodine(III). Molecules 2015; 20:17041-57. [PMID: 26393548 PMCID: PMC6332268 DOI: 10.3390/molecules200917041] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 09/09/2015] [Accepted: 09/11/2015] [Indexed: 01/16/2023] Open
Abstract
Stereoselective formation of substituted 1,3-dioxolanes was achieved through an assembly of three components: alkene, carboxylic acid and silyl enol ether. The reaction proceeded via stereospecific generation of a 1,3-dioxolan-2-yl cation intermediate during oxidation of alkene substrates with hypervalent iodine. The stereoselective trapping of the cation intermediate with silyl enol ether completed the formation of the dioxolane product.
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Affiliation(s)
- Mio Shimogaki
- Graduate School of Material Science, University of Hyogo, Kohto, Kamigori, Hyogo 678-1297, Japan.
| | - Morifumi Fujita
- Graduate School of Material Science, University of Hyogo, Kohto, Kamigori, Hyogo 678-1297, Japan.
| | - Takashi Sugimura
- Graduate School of Material Science, University of Hyogo, Kohto, Kamigori, Hyogo 678-1297, Japan.
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32
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Liu R, Lu ZH, Hu XH, Li JL, Yang XJ. Monocarboxylation and Intramolecular Coupling of Butenylated Arenes via Palladium-Catalyzed C–H Activation Process. Org Lett 2015; 17:1489-92. [DOI: 10.1021/acs.orglett.5b00376] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Rui Liu
- Key Lab for Advanced Materials & Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Ze-Hai Lu
- Key Lab for Advanced Materials & Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Xiao-Hui Hu
- Key Lab for Advanced Materials & Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Jun-Li Li
- Key Lab for Advanced Materials & Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Xian-Jin Yang
- Key Lab for Advanced Materials & Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
- Key Laboratory of Organofluorine Chemistry,
Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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33
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Zhan Z, Cheng X, Zheng Y, Ma X, Wang X, Hai L, Wu Y. PhI(OAc)2-promoted metal-free oxidation of 2-oxoaldehydes: a facile one-pot synthesis of cyanoformamides. RSC Adv 2015. [DOI: 10.1039/c5ra14409d] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
A novel, efficient and environmental method for the conversion of 2-oxoaldehydes into cyanoformamides with iodosobenzene diacetate as oxidant has been developed.
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Affiliation(s)
- Zhen Zhan
- Key Laboratory of Drug Targeting and Drug Delivery System of Education Ministry
- Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Xu Cheng
- Key Laboratory of Drug Targeting and Drug Delivery System of Education Ministry
- Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Yang Zheng
- Key Laboratory of Drug Targeting and Drug Delivery System of Education Ministry
- Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Xiaojun Ma
- Key Laboratory of Drug Targeting and Drug Delivery System of Education Ministry
- Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Xiaoyu Wang
- Key Laboratory of Drug Targeting and Drug Delivery System of Education Ministry
- Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Li Hai
- Key Laboratory of Drug Targeting and Drug Delivery System of Education Ministry
- Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Yong Wu
- Key Laboratory of Drug Targeting and Drug Delivery System of Education Ministry
- Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
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34
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Zhao Y, Xing X, Zhang S, Wang DZ. N,N-Dimethylaminobenzoates enable highly enantioselective Sharpless dihydroxylations of 1,1-disubstituted alkenes. Org Biomol Chem 2014; 12:4314-7. [PMID: 24847852 DOI: 10.1039/c4ob00621f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A design scenario aimed at exploring beneficial catalyst-substrate π-π stacking electronic interactions in the classical Sharpless asymmetric dihydroxylations (SAD) leads to the identification of highly polarizable allylic N,N-dimethylaminobenzoate as a remarkably efficient auxiliary for inducing high levels of enantioselectivities (up to 99% ee) in the traditionally challenging substrate class of 1,1-disubstituted aliphatic alkenes.
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Affiliation(s)
- Yaohong Zhao
- Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School of Peking University, Shenzhen University Town, Shenzhen, China 518055.
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35
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Toh KK, Biswas A, Wang YF, Tan YY, Chiba S. Copper-mediated oxidative transformation of N-allyl enamine carboxylates toward synthesis of azaheterocycles. J Am Chem Soc 2014; 136:6011-20. [PMID: 24730391 DOI: 10.1021/ja500382c] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A method for synthesis of 3-azabicyclo[3.1.0]hex-2-enes has been developed by intramolecular cyclopropanation of readily available N-allyl enamine carboxylates. Two complementary reaction conditions, CuBr-mediated aerobic and CuBr2-catalyzed-PhIO2-mediated systems effectively induced stepwise cyclopropanation via carbocupration of alkenes. Oxidative cyclopropane ring-opening of 5-substituted 3-azabicyclo[3.1.0]hex-2-enes was also developed for synthesis of highly substituted pyridines. In addition, diastereoselective reduction of 3-azabicyclo[3.1.0]hex-2-enes to 3-azabicyclo[3.1.0]hexanes was achieved using NaBH3CN in the presence of acetic acid.
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Affiliation(s)
- Kah Kah Toh
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , Singapore 637371, Singapore
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36
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Li Q, Zhang SY, He G, Ai Z, Nack WA, Chen G. Copper-catalyzed carboxamide-directed ortho amination of anilines with alkylamines at room temperature. Org Lett 2014; 16:1764-7. [PMID: 24588126 DOI: 10.1021/ol500464x] [Citation(s) in RCA: 169] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
In this report, a highly efficient method for the room temperature installation of alkyl amino motifs onto the ortho position of anilines via Cu-catalyzed carboxamide-directed amination with alkylamines is described. This method offers a practical solution for the rapid synthesis of complex arylamines from simple starting materials and enables new planning strategies for the construction of arylamine-containing pharmacophores. A single electron transfer (SET)-mediated mechanism is proposed.
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Affiliation(s)
- Qiong Li
- Department of Chemistry, The Pennsylvania State University , University Park, Pennsylvania 16802, United States
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37
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Balijapalli U, Munusamy S, Sundaramoorthy KN, Iyer SK. Metal-Free, One-Pot, Rapid Synthesis of Tetrahydropyridines Using Acetic Acid as Solvent and Catalyst at Room Temperature. SYNTHETIC COMMUN 2014. [DOI: 10.1080/00397911.2013.838266] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Umamahesh Balijapalli
- a Chemistry Division, School of Advanced Sciences , Vellore Institute of Technology , Vellore , India
| | - Sathishkumar Munusamy
- a Chemistry Division, School of Advanced Sciences , Vellore Institute of Technology , Vellore , India
| | - Karthikeyan Natesan Sundaramoorthy
- b Science and Humanities, Department of Chemistry , Vel Tech Multi Tech Dr. Rangarajan Dr. Sakunthala Engineering College , Chennai , India
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38
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Pei J, Kang Y, Huang G. Reactive intermediate detection in real time via paper assisted thermal ionization mass spectrometry. Analyst 2014; 139:5354-7. [DOI: 10.1039/c4an01343c] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Interception of short-life reactive intermediates could be achieved using paper assisted thermal ionization mass spectrometry in real time.
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Affiliation(s)
- Jiying Pei
- Department of Chemistry
- University of Science and Technology of China
- Hefei, China
| | - Yanbiao Kang
- Department of Chemistry
- University of Science and Technology of China
- Hefei, China
| | - Guangming Huang
- Department of Chemistry
- University of Science and Technology of China
- Hefei, China
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39
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Xia XF, Gu Z, Liu W, Wang N, Wang H, Xia Y, Gao H, Liu X. Selective oxygenation of alkynes: a direct approach to diketones and vinyl acetate. Org Biomol Chem 2014; 12:9909-13. [PMID: 25356631 DOI: 10.1039/c4ob01404a] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Convenient and expedient methods for the synthesis of α-diketones and β-haloenol acetates from arylalkynes using PhI(OAc)2 as an oxidant are developed at room temperature.
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Affiliation(s)
- Xiao-Feng Xia
- The Key Laboratory of Food Colloids and Biotechnology
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi, China
| | - Zhen Gu
- The Key Laboratory of Food Colloids and Biotechnology
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi, China
| | - Wentao Liu
- The Key Laboratory of Food Colloids and Biotechnology
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi, China
| | - Ningning Wang
- The Key Laboratory of Food Colloids and Biotechnology
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi, China
| | - Haijun Wang
- The Key Laboratory of Food Colloids and Biotechnology
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi, China
| | - Yongmei Xia
- The Key Laboratory of Food Colloids and Biotechnology
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi, China
| | - Haiyan Gao
- The Key Laboratory of Food Colloids and Biotechnology
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi, China
| | - Xiang Liu
- The Key Laboratory of Food Colloids and Biotechnology
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi, China
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40
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Xie M, Zhang J, Ning P, Zhang Z, Liu X, Wang L. Regio- and stereoselective synthesis of highly functionalized vinyl ethers via coiodination of acetylenic ketones. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2013.12.084] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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41
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Wang Y, Zhang L, Yang Y, Zhang P, Du Z, Wang C. Alkene oxyalkylation enabled by merging rhenium catalysis with hypervalent iodine(III) reagents via decarboxylation. J Am Chem Soc 2013; 135:18048-51. [PMID: 24236498 DOI: 10.1021/ja410195j] [Citation(s) in RCA: 94] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Rhenium-catalyzed oxyalkylation of alkenes is described, where hypervalent iodine(III) reagents derived from widely occurring aliphatic carboxylic acids were used as, for the first time, not only an oxygenation source but also an alkylation source via decarboxylation. The reaction also features a wide substrate scope, totally regiospecific difunctionalization, mild reaction conditions, and ready availability of both substrates. Mechanistic studies revealed a decarboxylation/radical-addition/cation-trapping cascade operating in the reaction.
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Affiliation(s)
- Yin Wang
- Beijing National Laboratory of Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
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42
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43
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Bekkaye M, Su Y, Masson G. Metal-Free Dioxygenation of Enecarbamates Mediated by a Hypervalent Iodine Reagent. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300501] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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44
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45
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Synthesis of Saturated Heterocycles via Metal-Catalyzed Alkene Diamination, Aminoalkoxylation, or Dialkoxylation Reactions. TOPICS IN HETEROCYCLIC CHEMISTRY 2013. [DOI: 10.1007/7081_2013_104] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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46
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Picon S, Rawling M, Campbell M, Tomkinson NCO. Alkene Dihydroxylation with Malonoyl Peroxides: Catalysis Using Fluorinated Alcohols. Org Lett 2012. [DOI: 10.1021/ol3030154] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Sylvain Picon
- School of Chemistry, Main Building, Cardiff University, Park Place, Cardiff, CF10 3AT, U.K., GlaxoSmithKline Medicines Research Centre, Stevenage, Hertfordshire, SG1 2NY, U.K., and WestCHEM, Department of Pure and Applied Chemistry, Thomas Graham Building, University of Strathclyde, 295 Cathedral Street, Glasgow, G1 1XL, U.K
| | - Michael Rawling
- School of Chemistry, Main Building, Cardiff University, Park Place, Cardiff, CF10 3AT, U.K., GlaxoSmithKline Medicines Research Centre, Stevenage, Hertfordshire, SG1 2NY, U.K., and WestCHEM, Department of Pure and Applied Chemistry, Thomas Graham Building, University of Strathclyde, 295 Cathedral Street, Glasgow, G1 1XL, U.K
| | - Matthew Campbell
- School of Chemistry, Main Building, Cardiff University, Park Place, Cardiff, CF10 3AT, U.K., GlaxoSmithKline Medicines Research Centre, Stevenage, Hertfordshire, SG1 2NY, U.K., and WestCHEM, Department of Pure and Applied Chemistry, Thomas Graham Building, University of Strathclyde, 295 Cathedral Street, Glasgow, G1 1XL, U.K
| | - Nicholas C. O. Tomkinson
- School of Chemistry, Main Building, Cardiff University, Park Place, Cardiff, CF10 3AT, U.K., GlaxoSmithKline Medicines Research Centre, Stevenage, Hertfordshire, SG1 2NY, U.K., and WestCHEM, Department of Pure and Applied Chemistry, Thomas Graham Building, University of Strathclyde, 295 Cathedral Street, Glasgow, G1 1XL, U.K
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47
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Molander GA, Wisniewski SR. Stereospecific cross-coupling of secondary organotrifluoroborates: potassium 1-(benzyloxy)alkyltrifluoroborates. J Am Chem Soc 2012; 134:16856-68. [PMID: 23025482 PMCID: PMC3481220 DOI: 10.1021/ja307861n] [Citation(s) in RCA: 161] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Potassium 1-(alkoxy/acyloxy)alkyltrifluoroborates have been synthesized through a copper-catalyzed diboration of aldehydes and subsequent conversion of the resulting potassium 1-(hydroxy)alkyltrifluoroborates. The palladium-catalyzed Suzuki-Miyaura reaction employing the potassium 1-(benzyloxy)alkyltrifluoroborates with aryl and heteroaryl chlorides provides access to protected secondary alcohols in high yields. The β-hydride elimination pathway is avoided through use of the benzyl protecting group, which is proposed to stabilize the diorganopalladium intermediate by coordination of the arene to the metal center. This cross-coupling is stereospecific with complete retention of stereochemistry.
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Affiliation(s)
- Gary A Molander
- Roy and Diana Vagelos Laboratories, Penn/Merck Laboratory for High-Throughput Experimentation, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, USA.
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Sanjaya S, Chiba S. Copper-Catalyzed Aminooxygenation of N-Allylamidines with PhI(OAc)2. Org Lett 2012; 14:5342-5. [DOI: 10.1021/ol302525m] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Stephen Sanjaya
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Shunsuke Chiba
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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(N,N-Diisopropylcarbamoyloxy)-methyl p-tolyl sulfone: preparation and application for the syntheses of 1,2-diols. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.08.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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50
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Lubriks D, Sokolovs I, Suna E. Indirect C–H Azidation of Heterocycles via Copper-Catalyzed Regioselective Fragmentation of Unsymmetrical λ3-Iodanes. J Am Chem Soc 2012; 134:15436-42. [DOI: 10.1021/ja305574k] [Citation(s) in RCA: 125] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Dmitrijs Lubriks
- Latvian Institute of Organic Synthesis, Aizkraukles 21, LV-1006 Riga, Latvia
| | - Igors Sokolovs
- Latvian Institute of Organic Synthesis, Aizkraukles 21, LV-1006 Riga, Latvia
| | - Edgars Suna
- Latvian Institute of Organic Synthesis, Aizkraukles 21, LV-1006 Riga, Latvia
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