1
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Mermela A, Bołt M, Mrzygłód A, Żak P. Organocatalytic synthetic route to esters and their application in hydrosilylation process. Sci Rep 2024; 14:19108. [PMID: 39154105 PMCID: PMC11330490 DOI: 10.1038/s41598-024-70036-y] [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: 08/14/2023] [Accepted: 08/08/2024] [Indexed: 08/19/2024] Open
Abstract
A facile esterification of α,β-unsaturated aldehydes with alcohols has been developed for the synthesis of esters by using bulky N-heterocyclic (NHC) carbene as a metal-free and eco-friendly organocatalyst. This new protocol has been proved to be effective with a wide substrate scope, giving selective esters in yields greater than 84% under mild conditions. Moreover, proposed synthetic strategy enables modification of various types of silsesquioxanes (SQ) which cannot or are technically difficult to be carried out with known protocols. For the first time, a one-pot sequential esterification/hydrosilylation has been successfully carried out.
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Affiliation(s)
- Aleksandra Mermela
- Faculty of Chemistry, Department of Organometallic Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Małgorzata Bołt
- Faculty of Chemistry, Department of Organometallic Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Aleksandra Mrzygłód
- Faculty of Chemistry, Department of Organometallic Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
- Centre for Advanced Technologies, Uniwersytetu Poznańskiego 10, 61-614, Poznań, Poland
| | - Patrycja Żak
- Faculty of Chemistry, Department of Organometallic Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland.
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2
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Chen X, Liang Y, Wang WW, Miao C, Chu XQ, Rao W, Xu H, Zhou X, Shen ZL. Palladium-Catalyzed Esterification of Aryl Fluorosulfates with Aryl Formates. Molecules 2024; 29:1991. [PMID: 38731482 PMCID: PMC11085239 DOI: 10.3390/molecules29091991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 04/20/2024] [Accepted: 04/23/2024] [Indexed: 05/13/2024] Open
Abstract
An efficient palladium-catalyzed carbonylation of aryl fluorosulfates with aryl formates for the facile synthesis of esters was developed. The cross-coupling reactions proceeded effectively in the presence of a palladium catalyst, phosphine ligand, and triethylamine in DMF to produce the corresponding esters in moderate to good yields. Of note, functionalities or substituents, such as nitro, cyano, methoxycarbonyl, trifluoromethyl, methylsulfonyl, trifluoromethoxy, fluoro, chloro, bromo, methyl, methoxy, N,N-dimethyl, and [1,3]dioxolyl, were well-tolerated in the reactions, which could be kept for late-stage modification. The reactions employing readily available and relatively robust aryl fluorosulfates as coupling electrophiles could potentially serve as an attractive alternative to traditional cross-couplings with the use of aryl halides and pseudohalides as substrates.
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Affiliation(s)
- Xue Chen
- Technical Institute of Fluorochemistry (TIF), School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China; (X.C.); (Y.L.); (W.-W.W.); (X.-Q.C.)
| | - Yuan Liang
- Technical Institute of Fluorochemistry (TIF), School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China; (X.C.); (Y.L.); (W.-W.W.); (X.-Q.C.)
| | - Wen-Wen Wang
- Technical Institute of Fluorochemistry (TIF), School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China; (X.C.); (Y.L.); (W.-W.W.); (X.-Q.C.)
| | - Chengping Miao
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, China;
| | - Xue-Qiang Chu
- Technical Institute of Fluorochemistry (TIF), School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China; (X.C.); (Y.L.); (W.-W.W.); (X.-Q.C.)
| | - Weidong Rao
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China;
| | - Hao Xu
- Technical Institute of Fluorochemistry (TIF), School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China; (X.C.); (Y.L.); (W.-W.W.); (X.-Q.C.)
| | - Xiaocong Zhou
- Technical Institute of Fluorochemistry (TIF), School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China; (X.C.); (Y.L.); (W.-W.W.); (X.-Q.C.)
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, China;
| | - Zhi-Liang Shen
- Technical Institute of Fluorochemistry (TIF), School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China; (X.C.); (Y.L.); (W.-W.W.); (X.-Q.C.)
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3
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Kunchur HS, Sonawane SC, Saini P, Ramakrishnan S, Balakrishna MS. Copper(I) Complexes of Amide Functionalized Bisphosphine: Proximity Enhanced Metal-Ligand Cooperativity and Its Catalytic Advantage in C( sp3)-H Bond Activation of Unactivated Cycloalkanes in Dehydrogenative Carboxylation Reactions. Inorg Chem 2023. [PMID: 38031668 DOI: 10.1021/acs.inorgchem.3c01022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
The reactions of amide functionalized bisphosphine, o-Ph2PC6H4C-(O)N(H)C6H4PPh2-o (1) (BalaHariPhos), with copper salts is described. Treatment of 1 with CuX in a 1:1 molar ratio yielded chelate complexes of the type [CuX{(o-Ph2PC6H4C(O)N(H)C6H4PPh2-o)}-κ2-P,P] (X = Cl, 2; Br, 3; and I, 4), which on subsequent treatment with KOtBu resulted in a dimeric complex [Cu(o-Ph2PC6H4C(O)(N)C6H4PPh2-o)]2 (5). Interestingly, complexes 2-4 showed weak N-H···Cu interactions. These weak H-bonding interactions are studied in detail both experimentally and computationally. Also, CuI complexes 2-5 were employed in the oxidative dehydrogenative carboxylation (ODC) of unactivated cycloalkanes in the presence of carboxylic acids to form the corresponding allylic esters. Among complexes 2-5, halide-free dimeric CuI complex 5 showed excellent metal-ligand cooperativity in the oxidative dehydrogenative carboxylation (ODC) in the presence of carboxylic acids to form the corresponding allylic esters through C(sp3)-H bond activation of unactivated cycloalkanes. Mechanistic details of the catalytic process were established by isolating the precatalyst [Cu{(o-Ph2PC6H4C(O)(NH)C6H4PPh2-o)-κ2-P,P}(OOCPh)] (6) and fully characterized by mass spectrometry, NMR data, and single-crystal X-ray analysis. Density functional theory-based calculations further provided a quantitative understanding of the energetics of a series of H atom transfer steps occurring in the catalytic cycle.
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Affiliation(s)
- Harish S Kunchur
- Phosphorus Laboratory, Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Sachin C Sonawane
- Phosphorus Laboratory, Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Prateek Saini
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | | | - Maravanji S Balakrishna
- Phosphorus Laboratory, Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
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4
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Visible Light‐Promoted Fluorescein/Ni‐Catalyzed Synthesis of Bis‐(β‐Dicarbonyls) using Olefins as a Methylene Bridge Synthon. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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5
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Das KM, Pal A, Adarsh NN, Thakur A. A novel quinoline-based NNN-pincer Cu(II) complex as a superior catalyst for oxidative esterification of allylic C(sp 3)-H bonds. Org Biomol Chem 2022; 20:3540-3549. [PMID: 35393991 DOI: 10.1039/d2ob00220e] [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
We report for the first time that the quinoline-based NNN-pincer Cu(II) complex acts as an air stable superior catalyst for the oxidative cross-coupling of the allyl sp3 C-H bond with an acid for the synthesis of allyl esters in a homogeneous system at ambient temperature. The synthesized catalyst, 1, has been well characterized by various analytical techniques (HRMS, single crystal X-ray diffraction, CV, EPR, UV-vis spectroscopy) and showed excellent catalytic activity for the oxidative esterification of allylic C(sp3)-H bonds at 40 °C within a very short period of time (1 h) using only 1 mol% of the catalyst. A wide variety of aromatic allylic esters were synthesized in moderate to good yields, which could be extended to aliphatic allyl esters as well.
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Affiliation(s)
- Krishna Mohan Das
- Department of Chemistry, Jadavpur University, Kolkata-700032, India.
| | - Adwitiya Pal
- Department of Chemistry, Jadavpur University, Kolkata-700032, India.
| | - Nayarassery N Adarsh
- Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Ave., Potsdam, New York, 13699, USA
| | - Arunabha Thakur
- Department of Chemistry, Jadavpur University, Kolkata-700032, India.
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6
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Wang M, Zhang Y, Yang X, Sun P. Phenanthrenequinone (PQ) catalyzed cross-dehydrogenative coupling of alkanes with quinoxalin-2(1 H)-ones and simple N-heteroarenes under visible light irradiation. Org Biomol Chem 2022; 20:2467-2472. [PMID: 35262545 DOI: 10.1039/d2ob00278g] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A direct and convenient strategy to 3-alkylquinoxalin-2(1H)-ones and other alkyl N-heteroarenes via a photocatalyzed alkylation of quinoxalin-2(1H)-ones and other N-heterocycles with commercially available, low-cost alkanes under ambient conditions using phenanthrenequinone (PQ) as a photocatalyst was developed. This transformation has advantages of environment-friendly protocol, mild conditions, good functional-group tolerance, and high yields of products.
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Affiliation(s)
- Min Wang
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution Control, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Nanjing Normal University, Nanjing 210023, China. .,Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; Department of chemistry, Huaibei Normal University, Huaibei, Anhui 235000, China.
| | - Yicheng Zhang
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; Department of chemistry, Huaibei Normal University, Huaibei, Anhui 235000, China.
| | - Xinyu Yang
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; Department of chemistry, Huaibei Normal University, Huaibei, Anhui 235000, China.
| | - Peipei Sun
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution Control, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Nanjing Normal University, Nanjing 210023, China.
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7
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Antonov AA, Bryliakov KP. Recent progress in catalytic acyloxylation of C(sp
3
)‐H bonds. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6499] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Artem A. Antonov
- Department of the Mechanisms of Catalytic Reactions Boreskov Institute of Catalysis Novosibirsk Russia
| | - Konstantin P. Bryliakov
- Department of the Mechanisms of Catalytic Reactions Boreskov Institute of Catalysis Novosibirsk Russia
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8
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Khalili D, Roosta M, Khalafi-Nezhad A, Ebrahimi E. From methylarenes to Esters: Efficient oxidative Csp3-H activation promoted by CuO decorated magnetic reduced graphene oxide. NEW J CHEM 2022. [DOI: 10.1039/d2nj00728b] [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
Magnetic reduced graphene oxide supported CuO (rGO/Fe3O4-CuO) as the heterogeneous catalyst in cross dehydrogenative coupling (CDC) reactions has been demonstrated for the synthesis of esters using methyl aromatics, aldehydes/benzyl alcohols...
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9
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Rajamanickam S, Saraswat M, Venkataramani S, Patel BK. Intermolecular CDC amination of remote and proximal unactivated C sp3 -H bonds through intrinsic substrate reactivity - expanding towards a traceless directing group. Chem Sci 2021; 12:15318-15328. [PMID: 34976352 PMCID: PMC8635183 DOI: 10.1039/d1sc04365j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 10/26/2021] [Indexed: 12/12/2022] Open
Abstract
An intermolecular radical based distal selectivity in appended alkyl chains has been developed. The selectivity is maximum when the distal carbon is γ to the appended group and decreases by moving from γ → δ → ε positions. In –COO– linked alkyl chains, the same distal γ-selectivity is observed irrespective of its origin, either from the alkyl carboxy acid or alkyl alcohol. The appended groups include esters, N–H protected amines, phthaloyl, sulfone, sulfinimide, nitrile, phosphite, phosphate and borate esters. In borate esters, boron serves as a traceless directing group, which is hitherto unprecedented for any remote Csp3–H functionalization. The selectivity order follows the trend: 3° benzylic > 2° benzylic > 3° tertiary > α to keto > distal methylene (γ > δ > ε). Computations predicted the radical stability (thermodynamic factors) and the kinetic barriers as the factors responsible for such trends. Remarkably, this strategy eludes any designer catalysts, and the selectivity is due to the intrinsic substrate reactivity. An intermolecular amination at the distal methylene carbon has been realized in an appended alkyl chain with electron withdrawing groups. Traceless remote Csp3–H functionalization has been accomplished using borate esters.![]()
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Affiliation(s)
- Suresh Rajamanickam
- Department of Chemistry, Indian Institute of Technology Guwahati North Guwahati Address Assam-781039 India
| | - Mayank Saraswat
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali Sector 81, Knowledge City, Manauli SAS Nagar 140306 India
| | - Sugumar Venkataramani
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali Sector 81, Knowledge City, Manauli SAS Nagar 140306 India
| | - Bhisma K Patel
- Department of Chemistry, Indian Institute of Technology Guwahati North Guwahati Address Assam-781039 India
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10
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Mao Z, Jiang Y, Liu M, Zhang X. Unique regioselective C H diacetoxylation of pyrrolo[2,3-d]pyrimidine derivatives promoted by sodium iodide. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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11
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Mao Z, Liu M, Qian H, Jiang Y, Zhang X. Pd-Catalyzed solvent-controlled site-selective arene C-H monoacyloxylation of pyrrolo[2,3- d]pyrimidine derivatives. Org Biomol Chem 2021; 19:8591-8596. [PMID: 34568881 DOI: 10.1039/d1ob01486b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient and highly regioselective Pd-catalyzed direct arene C(sp2)-H acyloxylation of pyrrolo[2,3-d]pyrimidine derivatives is reported. The key strategy involves the utilization of the unique reactivity of pyrrolo[2,3-d]pyrimidine and the employment of pyrrolo[2,3-d]pyrimidine as the directing group. A variety of monoacyloxylated pyrrolo[2,3-d]pyrimidine derivatives can be achieved by switching the solvents under mild conditions, and they can be further modified and exhibit various biological activities.
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Affiliation(s)
- Zhengtong Mao
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Min Liu
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Hongjie Qian
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Yunfeng Jiang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Xingxian Zhang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
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12
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Chen XY, Yang S, Ren BP, Shi L, Lin DZ, Zhang H, Liu HY. Copper porphyrin-catalyzed cross dehydrogenative coupling of alkanes with carboxylic acids: Esterification and decarboxylation dual pathway. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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13
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Sahoo AK, Dahiya A, Das B, Behera A, Patel BK. Visible-Light-Mediated Difunctionalization of Alkynes: Synthesis of β-Substituted Vinylsulfones Using O- and S-Centered Nucleophiles. J Org Chem 2021; 86:11968-11986. [PMID: 34346693 DOI: 10.1021/acs.joc.1c01350] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
An inimitable illustration of a green-light-induced, regioselective difunctionalization of terminal alkynes has been disclosed using sodium arylsulfinates and carboxylic acids in the presence of eosin Y as the photocatalyst. The present methodology is further demonstrated by employing NH4SCN as an S-centered nucleophile instead of carboxylic acid. The mechanistic investigation reveals a radical-induced iodosulfonylation followed by a base-mediated nucleophilic substitution. The mechanism is supported by various studies, viz., radical-trapping experiment, fluorescence quenching, and CV studies. In this protocol, (Z)-β-substituted vinylsulfones are obtained, exclusively covering a broad range of alkynes and nucleophiles, which are often unaddressed. The present strategy can tolerate structurally discrete substrates with steric bulk and different electronic properties, which provides a straightforward and practical pathway for the synthesis of highly functionalized (Z)-β-substituted vinylsulfones. Herein, C-O and C-S bonds are assembled simultaneously with the concomitant introduction of important functional groups, viz., ester, thiocyanate, and sulfone.
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Affiliation(s)
- Ashish Kumar Sahoo
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Anjali Dahiya
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Bubul Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Ahalya Behera
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Bhisma K Patel
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
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14
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Dagar N, Singh S, Roy SR. Copper Catalyzed‐TBHP/DTBP Promoted C(sp
2
)−H Bond Scission of Aldehydes: An Approach to Transform Aldehyde to Esters. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100319] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Neha Dagar
- Department of Chemistry Indian Institute of Technology Delhi Indian Institute of Technology Delhi Hauz Khas New Delhi 110016 India
| | - Swati Singh
- Department of Chemistry Indian Institute of Technology Delhi Indian Institute of Technology Delhi Hauz Khas New Delhi 110016 India
| | - Sudipta Raha Roy
- Department of Chemistry Indian Institute of Technology Delhi Indian Institute of Technology Delhi Hauz Khas New Delhi 110016 India
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15
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Wang XY, Li Y, Shi L, Zhu X, Hao XQ, Song MP. Palladium-catalyzed C–H acetoxylation of 2-arylindazoles. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132277] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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16
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Dahiya A, Patel BK. The Rich Legacy and Bright Future of Transition-Metal Catalyzed Peroxide Based Radical Reactions. CHEM REC 2021; 21:3589-3612. [PMID: 34137502 DOI: 10.1002/tcr.202100115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 05/17/2021] [Indexed: 01/19/2023]
Abstract
This personal account is mainly focused on the author's involvement in the field of transition metal-catalyzed peroxide based radical reactions. Over the past decades, radical chemistry has flourished and become crucial in contemporary synthetic organic chemistry. Owing to the presence of a single electron in one orbital, radicals are very unstable and react very fast. To carry out desired transformations and to control the side reactions the stabilizations of these radicals is essential. Fortunately, the implementation of a suitable transition metal and peroxide combination into the radical reactions have proved beneficial. Transition metals not only stabilizes the radicals but also protects them from being quenched by undesired homo-coupling or fragmentation. Transition metal-catalyzed radical-radical reactions provide an innovative way for the construction and derivatization of carbocycles and heterocycles. The objective of this review is to give an overview of the construction and derivatization of heterocycles through the lens of radical chemistry, mainly focusing on research work done by our group.
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Affiliation(s)
- Anjali Dahiya
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, Guwahati, India
| | - Bhisma K Patel
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, Guwahati, India
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17
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Singh S, Dagar N, Raha Roy S. Direct functionalization of quinoxalin-2(1H)-one with alkanes: C(sp 2)-H/C(sp 3)-H cross coupling in transition metal-free mode. Org Biomol Chem 2021; 19:5383-5394. [PMID: 34047750 DOI: 10.1039/d1ob00665g] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Considering the significance of pharmaceutically important heterocycles, efficient and highly versatile protocols for the functionalization of diverse heterocycles with easily accessible feedstock are crucial. Here, we have reported selective alkylation of quinoxalin-2(1H)-one with a broad class of hydrocarbons having different C(sp3)-H bonds with varying bond strengths using di-tert-butyl peroxide (DTBP) as an alkoxyl radical mediator for hydrogen atom transfer (HAT). This dehydrogenative coupling approach utilizes feedstock chemicals such as cycloalkanes, cyclic ethers and alkyl arenes as coupling partners. This protocol exhibits good functional group compatibility and selectivity regarding both heterocycles and unactivated alkanes. Moreover, this methodology allows functionalization of relatively strong C-H bonds of adamantane and exclusive selectivity towards 3° C(sp3)-H bonds is observed. We also illustrate the applicability of this C(sp2)-H/C(sp3)-H cross-coupling for practical access to bioactive pharmaceuticals.
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Affiliation(s)
- Swati Singh
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India.
| | - Neha Dagar
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India.
| | - Sudipta Raha Roy
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India.
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18
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Qi H, Yan Y, Liao Y, Jiang F, Gao H, Deng GJ. I2-Catalyzed oxidative dehydrogenative tandem cyclization of 2-methylquinolines, arylamines and 1,4-dioxane. Org Chem Front 2021. [DOI: 10.1039/d1qo01125a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
A novel I2-catalyst oxidative dehydrogenative tandem cyclization of 2-methylquinolines, arylamines and 1,4-dioxane for the construction of 2-([2,2′-biquinolin]-3-yloxy)ethan-1-ol derivatives has been developed under metal-free conditions.
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Affiliation(s)
- Hongrui Qi
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Yiyan Yan
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Yunfeng Liao
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan, 411104, China
| | - Furong Jiang
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Hualan Gao
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Guo-Jun Deng
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
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19
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Tang PT, Shao YX, Wang LN, Wei Y, Li M, Zhang NJ, Luo XP, Ke Z, Liu YJ, Zeng MH. Synthesis of seven-membered lactones by regioselective and stereoselective iodolactonization of electron-deficient olefins. Chem Commun (Camb) 2020; 56:6680-6683. [PMID: 32412017 DOI: 10.1039/c9cc10080f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A regio- and stereoselective iodolactonization of internal electron-deficient olefinic acids has been reported, which provides a straightforward access to a series of multi-functionalized seven-membered lactones containing two consecutive chiral centers. The ester substituents on the olefins played a key role in achieving high regioselectivity. This result was proved through experiments and DFT calculations.
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Affiliation(s)
- Pan-Ting Tang
- Hubei Collaborative Innovation Center for Advanced Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, and College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China.
| | - You-Xiang Shao
- School of Materials Science and Engineering, PCFM Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Liang-Neng Wang
- Hubei Collaborative Innovation Center for Advanced Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, and College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China.
| | - Yi Wei
- Hubei Collaborative Innovation Center for Advanced Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, and College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China.
| | - Ming Li
- Hubei Collaborative Innovation Center for Advanced Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, and College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China.
| | - Ni-Juan Zhang
- Hubei Collaborative Innovation Center for Advanced Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, and College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China.
| | - Xiao-Peng Luo
- Hubei Collaborative Innovation Center for Advanced Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, and College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China.
| | - Zhuofeng Ke
- School of Materials Science and Engineering, PCFM Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Yue-Jin Liu
- Hubei Collaborative Innovation Center for Advanced Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, and College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China.
| | - Ming-Hua Zeng
- Hubei Collaborative Innovation Center for Advanced Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, and College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China. and Department Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, China.
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20
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Rong X, Jin L, Gu Y, Liang G, Xia Q. Transition‐Metal‐Free Radical C−H Methylation of Quinoxalinones with TBHP. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.201900758] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Xiaona Rong
- College of Chemistry and Materials EngineeringWenzhou University Wenzhou 325035 P. R. China
| | - Liujun Jin
- Chemical Biology Research Center School of Pharmaceutical SciencesWenzhou Medical University Wenzhou 325035 P. R. China
| | - Yugui Gu
- College of Chemistry and Materials EngineeringWenzhou University Wenzhou 325035 P. R. China
| | - Guang Liang
- Chemical Biology Research Center School of Pharmaceutical SciencesWenzhou Medical University Wenzhou 325035 P. R. China
| | - Qinqin Xia
- Chemical Biology Research Center School of Pharmaceutical SciencesWenzhou Medical University Wenzhou 325035 P. R. China
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21
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Rajamanickam S, Sah C, Mir BA, Ghosh S, Sethi G, Yadav V, Venkataramani S, Patel BK. Bu4NI-Catalyzed, Radical-Induced Regioselective N-Alkylations and Arylations of Tetrazoles Using Organic Peroxides/Peresters. J Org Chem 2020; 85:2118-2141. [DOI: 10.1021/acs.joc.9b02875] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Suresh Rajamanickam
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Chitranjan Sah
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, Manauli, SAS Nagar 140306, India
| | - Bilal Ahmad Mir
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Subhendu Ghosh
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Garima Sethi
- School of Chemical Sciences, Department of Chemistry, Central University of Haryana, Mahendragarh, Haryana 123031, India
| | - Vinita Yadav
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Sugumar Venkataramani
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, Manauli, SAS Nagar 140306, India
| | - Bhisma K. Patel
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
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22
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Mir BA, Rajamanickam S, Begum P, Patel BK. Copper(I) Catalyzed Differential Peroxidation of Terminal and Internal Alkenes Using TBHP. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901689] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Bilal Ahmad Mir
- Department of Chemistry; Indian Institute of Technology Guwahati; North Guwahati -781039 Assam India
| | - Suresh Rajamanickam
- Department of Chemistry; Indian Institute of Technology Guwahati; North Guwahati -781039 Assam India
| | - Pakiza Begum
- Department of Chemistry; Indian Institute of Technology Guwahati; North Guwahati -781039 Assam India
| | - Bhisma K. Patel
- Department of Chemistry; Indian Institute of Technology Guwahati; North Guwahati -781039 Assam India
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23
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Copper-catalyzed oxidative dehydrogenative functionalization of alkanes to allylic esters. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2019.119190] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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24
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De A, Santra S, Hajra A, Zyryanov GV, Majee A. Visible-Light-Induced Regioselective C(sp3)-H Acyloxylation of Aryl-2H-azirines with (Diacetoxy)iodobenzene. J Org Chem 2019; 84:11735-11740. [DOI: 10.1021/acs.joc.9b01625] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Aramita De
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan 731235, India
| | - Sougata Santra
- Department of Organic and Biomolecular Chemistry, Chemical Engineering Institute, Ural Federal University, 19 Mira Street, 620002 Yekaterinburg, Russian Federation
| | - Alakananda Hajra
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan 731235, India
| | - Grigory V. Zyryanov
- Department of Organic and Biomolecular Chemistry, Chemical Engineering Institute, Ural Federal University, 19 Mira Street, 620002 Yekaterinburg, Russian Federation
- I. Ya. Postovskiy Institute of Organic Synthesis, Ural Division of the Russian Academy of Sciences, 22 Sofi Kovalevskoy Street, 620219 Yekaterinburg, Russian Federation
| | - Adinath Majee
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan 731235, India
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25
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Dichloromethane as a methylene synthon for regioselective linkage of diverse carboxylic acids: Direct access to methylene diesters under metal-free conditions. CHINESE CHEM LETT 2019. [DOI: 10.1016/j.cclet.2019.04.053] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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26
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Arshadi S, Banaei A, Monfared A, Ebrahimiasl S, Hosseinian A. Cross-dehydrogenative coupling reactions between arenes (C-H) and carboxylic acids (O-H): a straightforward and environmentally benign access to O-aryl esters. RSC Adv 2019; 9:17101-17118. [PMID: 35519864 PMCID: PMC9064605 DOI: 10.1039/c9ra01941c] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 05/17/2019] [Indexed: 12/31/2022] Open
Abstract
Transition-metal catalyzed cross-dehydrogenative-coupling reactions encompass highly versatile and atom economical methods for the construction of various carbon-carbon and carbon-heteroatom bonds by combining two C(X)-H (X = heteroatom) bonds. Along this line, direct acyloxylation of C-H bonds with carboxylic acids has emerged as a powerful and green approach for the synthesis of structurally diverse esters. In this focus-review we will describe recent progress in direct esterification of aromatic C-H bonds with special emphasis on the mechanistic features of the reactions. Literature has been surveyed until the end of February 2019.
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Affiliation(s)
- Sattar Arshadi
- Department of Chemistry, Payame Noor University Tehran Iran
| | - Alireza Banaei
- Department of Chemistry, Payame Noor University Tehran Iran
| | - Aazam Monfared
- Department of Chemistry, Payame Noor University Tehran Iran
| | - Saeideh Ebrahimiasl
- Department of Chemistry, Ahar Branch, Islamic Azad University Ahar Iran
- Industrial Nanotechnology Research Center, Tabriz Branch, Islamic Azad University Tabriz Iran
| | - Akram Hosseinian
- School of Engineering Science, College of Engineering, University of Tehran P. O. Box 11365-4563 Tehran Iran
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27
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Zhou Y, Li C, Yuan X, Zhang F, Liu X, Liu P. Cobalt-catalyzed C2α-acyloxylation of 2-substituted indoles with tert-butyl peresters. Org Biomol Chem 2019; 17:3343-3347. [PMID: 30882836 DOI: 10.1039/c9ob00159j] [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
An efficient cobalt-catalyzed C2α selective C(sp3)-H acyloxylation of 2-substituted indoles with tert-butyl peresters to synthesize diverse 2α-acyloxylated indole derivatives is described. This newly developed method exhibits mild conditions, low-cost catalyst, and high functional group compatibility. In addition, the effectiveness of this chemistry is illuminated by a late-stage modification of methylated indomethacin.
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Affiliation(s)
- Yuxiang Zhou
- Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563006, China.
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28
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Cheng L, Sun Y, Wang W, Yao C, Li TJ. Ligand-Free Copper(I)-Catalyzed Benzylic Acyloxylation of 2-Alkylpyridines under Aerobic Conditions. J Org Chem 2019; 84:3074-3082. [DOI: 10.1021/acs.joc.8b02794] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Li Cheng
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Yuqian Sun
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Wenrong Wang
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Changsheng Yao
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Tuan-Jie Li
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
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29
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Mane KD, Mukherjee A, Vanka K, Suryavanshi G. Metal-Free Regioselective Cross Dehydrogenative Coupling of Cyclic Ethers and Aryl Carbonyls. J Org Chem 2019; 84:2039-2047. [DOI: 10.1021/acs.joc.8b03048] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Kishor D. Mane
- Chemical Engineering & Process Development Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi 110 025, India
| | - Anagh Mukherjee
- Physical and Material Chemistry Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi 110 025, India
| | - Kumar Vanka
- Physical and Material Chemistry Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi 110 025, India
| | - Gurunath Suryavanshi
- Chemical Engineering & Process Development Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi 110 025, India
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30
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Zhou Y, Chen J, Elsayed AA, Zhang Z, Bao Z, Yang Q, Yang Y, Ren Q. Organocatalyzed cross-dehydrogenative coupling for C(sp3)–O bonds formation: a rapid access to α-aminoxyl isochromans. Catal Letters 2019. [DOI: 10.1007/s10562-018-2640-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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31
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Boora R, kumar GR, Subba Reddy BV. Metal-free oxidative acylation/cyclization of N-methacryloyl-2-phenylbenzoimidazole with aryl aldehydes: an easy access to benzimidazo[2,1-a]isoquinolin-6(5H)-ones. Org Biomol Chem 2019; 17:9627-9630. [DOI: 10.1039/c9ob01979k] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A metal-free radical cyclization strategy has been developed for the synthesis of fused benzimidazo[2,1-a]isoquinolin-6(5H)-one derivatives using 70% tert-butylhydroperoxide in water (TBHP).
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Affiliation(s)
- Ramesh Boora
- Centre for Semiochemicals
- CSIR-Indian Institute of Chemical Technology
- Hyderabad–500 007
- India
| | - G. Ravi kumar
- Centre for Semiochemicals
- CSIR-Indian Institute of Chemical Technology
- Hyderabad–500 007
- India
| | - B. V. Subba Reddy
- Centre for Semiochemicals
- CSIR-Indian Institute of Chemical Technology
- Hyderabad–500 007
- India
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32
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Gao YT, Jin XY, Liu Q, Liu AD, Cheng L, Wang D, Liu L. Iodide/H₂O₂ Catalyzed Intramolecular Oxidative Amination for the Synthesis of 3,2'-Pyrrolidinyl Spirooxindoles. Molecules 2018; 23:molecules23092265. [PMID: 30189635 PMCID: PMC6225319 DOI: 10.3390/molecules23092265] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 08/21/2018] [Accepted: 08/24/2018] [Indexed: 12/13/2022] Open
Abstract
An ammonium iodide/hydrogen peroxide-mediated intramolecular oxidative amination of 3-aminoalkyl-2-oxindoles was achieved, affording the corresponding 3,2'-pyrrolidinyl spirooxindoles and their 6- or 7-membered analogous in moderate to high yields. This metal-free procedure features very mild reaction conditions, non-toxicity and easily handled hydrogen peroxide as a clean oxidant.
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Affiliation(s)
- Yu-Ting Gao
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Xiao-Yang Jin
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Qi Liu
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China.
| | - An-Di Liu
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Liang Cheng
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Dong Wang
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
| | - Li Liu
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China.
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33
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Gao Y, Zhou D, Ma Y. α-Csp3
-H Methylenation of Diketones to Synthesize Methylene-Bridged Bis-1,3-Dicarbonyl Compounds and Polysubstituted Pyridines Using the DMSO/Selectfluor System. ChemistrySelect 2018. [DOI: 10.1002/slct.201801996] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yejun Gao
- School of Pharmaceutical Science; Zhejiang Chinese Medical University, Hangzhou; 310053, P R China
| | - Dongheng Zhou
- School of Pharmaceutical Science; Zhejiang Chinese Medical University, Hangzhou; 310053, P R China
| | - Yongmin Ma
- School of Pharmaceutical Science; Zhejiang Chinese Medical University, Hangzhou; 310053, P R China
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34
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Chen X, Liu M, Liu Y, Chen Y, Au CT, Yin SF. Copper-Catalyzed Esterification of N
-Heteroaryl Methanes by Oxidative Dehydrogenation. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800421] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Xue Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 China
| | - Min Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 China
| | - Yongping Liu
- School of Basic Medicine; Hunan University of Chinese Medicine; Changsha 410208 PR China
| | - Yi Chen
- School of Basic Medicine; Hunan University of Chinese Medicine; Changsha 410208 PR China
| | - Chak-Tong Au
- College of Chemistry and Chemical Engineering; Hunan Institute of Engineering; Xiangtan 411104 Hunan China
| | - Shuang-Feng Yin
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 China
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35
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Tanaka T, Hashiguchi K, Tanaka T, Yazaki R, Ohshima T. Chemoselective Catalytic Dehydrogenative Cross-Coupling of 2-Acylimidazoles: Mechanistic Investigations and Synthetic Scope. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02361] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Tsukushi Tanaka
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi, Higashi-ku, Fukuoka, Fukuoka 812-8582, Japan
| | - Kayoko Hashiguchi
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi, Higashi-ku, Fukuoka, Fukuoka 812-8582, Japan
| | - Takafumi Tanaka
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi, Higashi-ku, Fukuoka, Fukuoka 812-8582, Japan
| | - Ryo Yazaki
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi, Higashi-ku, Fukuoka, Fukuoka 812-8582, Japan
| | - Takashi Ohshima
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi, Higashi-ku, Fukuoka, Fukuoka 812-8582, Japan
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36
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Jash U, Chakraborty G, Sinha S, Sikari R, Mondal R, Paul ND. CuII
Complex of a 1,10-Phenanthroline-Based Pincer as an Efficient Catalyst for Oxidative Cross Dehydrogenative Coupling of Carboxylic Acids with Unactivated Alkanes. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800180] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Upasona Jash
- Department of Chemistry; Indian Institute of Engineering Science and Technology; Shibpur, Botanic Garden Howrah 711103 India
| | - Gargi Chakraborty
- Department of Chemistry; Indian Institute of Engineering Science and Technology; Shibpur, Botanic Garden Howrah 711103 India
| | - Suman Sinha
- Department of Chemistry; Indian Institute of Engineering Science and Technology; Shibpur, Botanic Garden Howrah 711103 India
| | - Rina Sikari
- Department of Chemistry; Indian Institute of Engineering Science and Technology; Shibpur, Botanic Garden Howrah 711103 India
| | - Rakesh Mondal
- Department of Chemistry; Indian Institute of Engineering Science and Technology; Shibpur, Botanic Garden Howrah 711103 India
| | - Nanda D. Paul
- Department of Chemistry; Indian Institute of Engineering Science and Technology; Shibpur, Botanic Garden Howrah 711103 India
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37
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Siddaraju Y, Prabhu KR. Iodine-Catalyzed Chemoselective Hydroamination Reaction Using 5-Mercaptotetrazoles Derivatives. ACS OMEGA 2018; 3:4908-4917. [PMID: 31458707 PMCID: PMC6641749 DOI: 10.1021/acsomega.8b00499] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 04/25/2018] [Indexed: 06/10/2023]
Abstract
Metal-free chemoselective hydroamination of styrene derivatives has been achieved with high chemoselectivity over sulfenylation of 1H-tetrazole-5-thiol using a catalytic amount of iodine. The scope of this methodology has been extended for the hydroamination of α-substituted styrene derivatives. This reaction involves a single-step C-N-bond formation under atom economical process. This eco-friendly method uses readily available and inexpensive iodine in a catalytic amount.
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38
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Liu SK, Cui XF, Liu XX, Ma HJ, Wei DD, Luo XL, Huang GS. Cobalt(II)-Catalyzed Cross-Dehydrogenative Coupling Reaction of Benzamides with Alcohols to Build C-O Bond. ChemistrySelect 2018. [DOI: 10.1002/slct.201800679] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Sheng-Kang Liu
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Department of Chemistry; Lanzhou University; Lanzhou 730000 China
| | - Xin-Feng Cui
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Department of Chemistry; Lanzhou University; Lanzhou 730000 China
| | - Xing-Xing Liu
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Department of Chemistry; Lanzhou University; Lanzhou 730000 China
| | - Hao-Jie Ma
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Department of Chemistry; Lanzhou University; Lanzhou 730000 China
| | - Dai-Dong Wei
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Department of Chemistry; Lanzhou University; Lanzhou 730000 China
| | - Xin-Liang Luo
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Department of Chemistry; Lanzhou University; Lanzhou 730000 China
| | - Guo-Sheng Huang
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Department of Chemistry; Lanzhou University; Lanzhou 730000 China
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39
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Ahmad A, Dutta HS, Khan B, Kant R, Koley D. Cu(I)-Catalyzed Site Selective Acyloxylation of Indoline Using O2
as the Sole Oxidant. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800040] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Ashfaq Ahmad
- Medicinal and Process Chemistry Division; CSIR-Central Drug Research Institute; Lucknow 226031 India
| | - Himangsu Sekhar Dutta
- Medicinal and Process Chemistry Division; CSIR-Central Drug Research Institute; Lucknow 226031 India
| | - Bhuttu Khan
- Medicinal and Process Chemistry Division; CSIR-Central Drug Research Institute; Lucknow 226031 India
| | - Ruchir Kant
- Molecular and Structural Biology Division; CSIR-Central Drug Research Institute; Lucknow 226031 India
| | - Dipankar Koley
- Medicinal and Process Chemistry Division; CSIR-Central Drug Research Institute; Lucknow 226031 India
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40
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Chen R, Chen J, Zhang J, Wan X. Combination of Tetrabutylammonium Iodide (TBAI) withtert-Butyl Hydroperoxide (TBHP): An Efficient Transition-Metal-Free System to Construct Various Chemical Bonds. CHEM REC 2018. [DOI: 10.1002/tcr.201700069] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Rongxiang Chen
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China. Fax: (+86) 512-6588-0334
| | - Jijun Chen
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China. Fax: (+86) 512-6588-0334
| | - Jie Zhang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China. Fax: (+86) 512-6588-0334
| | - Xiaobing Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China. Fax: (+86) 512-6588-0334
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41
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Wang L, Li H, Wang L. Iron-Catalyzed C(sp3)–H Acyloxylation of Aryl-2H Azirines with Hypervalent Iodine(III) Reagents. Org Lett 2018; 20:1663-1666. [DOI: 10.1021/acs.orglett.8b00442] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Lulu Wang
- Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Hongji Li
- Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Lei Wang
- Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Shanghai 200032, P. R. China
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42
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Le Bras J, Muzart J. C-O Bonds from Pd-Catalyzed C(sp3)-H Reactions Mediated by Heteroatomic Groups. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701446] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Jean Le Bras
- Institut de Chimie Moléculaire de Reims, UMR 7312; CNRS - Université de Reims - Champagne-Ardenne; B.P. 1039 51687 Reims Cedex 2 France
| | - Jacques Muzart
- Institut de Chimie Moléculaire de Reims, UMR 7312; CNRS - Université de Reims - Champagne-Ardenne; B.P. 1039 51687 Reims Cedex 2 France
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43
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Miyagawa M, Akiyama T. Tishchenko Reaction Using Substoichiometric Amount of Metallic Zinc. CHEM LETT 2018. [DOI: 10.1246/cl.170897] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Masamichi Miyagawa
- Department of Chemistry, Faculty of Science, Gakushuin University, Mejiro, Toshima-ku, Tokyo 171-8588, Japan
| | - Takahiko Akiyama
- Department of Chemistry, Faculty of Science, Gakushuin University, Mejiro, Toshima-ku, Tokyo 171-8588, Japan
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44
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Jafarpour F, Darvishmolla M. Peroxy mediated Csp2–Csp3 dehydrogenative coupling: regioselective functionalization of coumarins and coumarin-3-carboxylic acids. Org Biomol Chem 2018; 16:3396-3401. [DOI: 10.1039/c7ob02771k] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Regioselective functionalization of coumarins/coumarin carboxylic acids at C-3 via activation of Csp3–H bonds of ethers under metal-free conditions is developed.
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Affiliation(s)
- Farnaz Jafarpour
- School of Chemistry
- College of Science
- University of Tehran
- Tehran
- Iran
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45
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Chu XQ, Ge D, Shen ZL, Loh TP. Recent Advances in Radical-Initiated C(sp3)–H Bond Oxidative Functionalization of Alkyl Nitriles. ACS Catal 2017. [DOI: 10.1021/acscatal.7b03334] [Citation(s) in RCA: 134] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Xue-Qiang Chu
- Institute
of Advanced Synthesis, School of Chemistry and Molecular Engineering,
Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Danhua Ge
- Institute
of Advanced Synthesis, School of Chemistry and Molecular Engineering,
Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Zhi-Liang Shen
- Institute
of Advanced Synthesis, School of Chemistry and Molecular Engineering,
Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Teck-Peng Loh
- Institute
of Advanced Synthesis, School of Chemistry and Molecular Engineering,
Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, Singapore 637371, Singapore
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46
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Xu X, Sun J, Lin Y, Cheng J, Li P, Jiang X, Bai R, Xie Y. Iron-Nitrate-Catalyzed Oxidative Esterification of Aldehydes and Alcohols with N
-Hydroxyphthalimide: Efficient Synthesis of N
-Hydroxyimide Esters. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701411] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Xiaohe Xu
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals; Zhejiang University of Technology; Hangzhou P. R. China
| | - Jian Sun
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals; Zhejiang University of Technology; Hangzhou P. R. China
| | - Yuyan Lin
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals; Zhejiang University of Technology; Hangzhou P. R. China
| | - Jingya Cheng
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals; Zhejiang University of Technology; Hangzhou P. R. China
| | - Pingping Li
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals; Zhejiang University of Technology; Hangzhou P. R. China
| | - Xiaoying Jiang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals; Zhejiang University of Technology; Hangzhou P. R. China
| | - Renren Bai
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals; Zhejiang University of Technology; Hangzhou P. R. China
| | - Yuanyuan Xie
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals; Zhejiang University of Technology; Hangzhou P. R. China
- College of Pharmaceutical Sciences; Zhejiang University of Technology; Hangzhou P. R. China
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47
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Ojha NK, Zyryanov GV, Majee A, Charushin VN, Chupakhin ON, Santra S. Copper nanoparticles as inexpensive and efficient catalyst: A valuable contribution in organic synthesis. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.10.004] [Citation(s) in RCA: 113] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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48
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Yan Y, Li Z, Li H, Cui C, Shi M, Liu Y. Alkyl Ether as a One-Carbon Synthon: Route to 2,4-Disubstituted 1,3,5-Triazines via C–H Amination/C–O Cleavage under Transition-Metal-Free Conditions. Org Lett 2017; 19:6228-6231. [DOI: 10.1021/acs.orglett.7b03171] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yizhe Yan
- School
of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450000, P. R. China
- Collaborative
Innovation Center of Food Production and Safety, Zhengzhou, Henan Province 450000, P. R. China
| | - Zheng Li
- School
of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450000, P. R. China
| | - Hongyi Li
- School
of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450000, P. R. China
| | - Chang Cui
- School
of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450000, P. R. China
| | - Miaomiao Shi
- School
of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450000, P. R. China
| | - Yanqi Liu
- School
of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450000, P. R. China
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49
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Ha PT, Le TD, Doan SH, Nguyen TT, Le NT, Phan NT. Synthesis of α-acyloxy ethers via direct esterification of carboxylic acids with ethers under metal-organic framework catalysis. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.08.040] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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50
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Dhineshkumar J, Samaddar P, Prabhu KR. Catalyst-Free Cross-Dehydrogenative Coupling Strategy Using Air as an Oxidant: Synthesis of α-Aminophosphonates. ACS OMEGA 2017; 2:4885-4893. [PMID: 31457767 PMCID: PMC6641911 DOI: 10.1021/acsomega.7b00881] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 08/09/2017] [Indexed: 05/03/2023]
Abstract
α-Aminophosphonates are synthesized by employing unfunctionalized starting materials using cross-dehydrogenative coupling strategy. This method does not require any catalyst and proceeds in the presence of open air as the only oxidant. Mechanistic studies revealed that the reaction is nucleophile dependent and specific to dialkyl phosphite and N-aryl tetrahydroisoquinoline derivatives.
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