1
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Bokosi FRB, Shiels OJ, Trevitt AJ, Keaveney ST. Photoactivated Reactions without Traditional Photocatalysts: Electron-Donor Complexation of 1,2,3-Triazoles Initiates Denitrogenative Transformations. J Org Chem 2024; 89:13243-13252. [PMID: 39255955 DOI: 10.1021/acs.joc.4c01371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2024]
Abstract
We present a set of visible-light-promoted denitrogenative transformations of 1,2,3-triazoles that generate high product yields without the use of a traditional, external photocatalyst, with the reaction viable for both benzotriazole and benzotriazinone. Mechanistic studies using UV-vis absorption, 1H NMR spectroscopy, and density functional theory indicate that these reactions are initiated by an electron donor-acceptor (EDA) complex which forms between N,N-diisopropylethylamine (DIPEA) and the 1,2,3-triazole. A comprehensive analysis of how irradiation wavelength impacts reactivity was obtained using an online photochemical reactor coupled mass spectrometer, indicating a lack of correlation between absorptivity and photoreactivity for the reaction between benzotriazinone and methyl acrylate. The reaction was photoinitiated by light-emitting diodes (LEDs) at wavelengths longer than 400 nm, which is unexpected on the basis of solely the absorption spectra of the starting materials.
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Affiliation(s)
- Fostino R B Bokosi
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Oisin J Shiels
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Adam J Trevitt
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Sinead T Keaveney
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
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2
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Wang H, Luo Q, Li JH, Sun B. Ru(II)-Catalyzed C-H Amination of 1,2,3-Benzotriazinones with Azide Compounds. J Org Chem 2024; 89:12249-12254. [PMID: 39116027 DOI: 10.1021/acs.joc.4c01182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
A Ru(II)-catalyzed directed C-H amination of 1,2,3-benzotriazinones with azide compounds has been reported. The reaction has a wide substrate scope of organic azides with good results and represents a useful pathway to the construction of versatile heterocyclic amino products. In addition, the method can be used for the phthalazinones, highlighting the synthetic practicability of the strategy.
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Affiliation(s)
- Hanchi Wang
- College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Quanjian Luo
- College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Jin-Heng Li
- College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
| | - Bo Sun
- College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
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3
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Fu Y, Liang H, Lu Y, Huang S. Photoredox-Enabled Deconstructive [5 + 1] Annulation Approach to Isoquinolones from Indanones in Water. Org Lett 2024; 26:3043-3047. [PMID: 38578846 DOI: 10.1021/acs.orglett.4c00649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2024]
Abstract
We disclose a deconstructive [5 + 1] annulation protocol for the synthesis of isoquinolones through a nitrogen insertion into abundant indanones. This method exploits photoredox-catalyzed ring-opening of oxime esters. The reaction proceeds smoothly with water as the reaction medium and tolerates a range of functional groups on diverse thiophenols, amines, or indanones. Moreover, the representative isoquinolones exhibit promising antifungal activities.
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Affiliation(s)
- Yuanyuan Fu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Hui Liang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Yanju Lu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Shenlin Huang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education of China, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, China
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4
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García-Lacuna J, Baumann M. Continuous Flow Synthesis of Benzotriazin-4(3 H)-ones via Visible Light Mediated Nitrogen-Centered Norrish Reaction. Org Lett 2024; 26:2371-2375. [PMID: 38466090 PMCID: PMC10985655 DOI: 10.1021/acs.orglett.4c00248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 03/06/2024] [Accepted: 03/08/2024] [Indexed: 03/12/2024]
Abstract
We report a new protocol for the synthesis of substituted benzotriazin-4(3H)-ones which are underrepresented heterocyclic scaffolds with important pharmacological properties. Our method exploits acyclic aryl triazine precursors that undergo a photocyclization reaction upon exposure to violet light (420 nm). Continuous flow reactor technology is exploited to afford excellent yields in only 10 min residence time with no additives or photocatalysts needed. The underlying reaction mechanism appears to be based on an unprecedented variation of the classical Norrish type II reaction with concomitant fragmentation and formation of N-N bonds. Scalability, process robustness, and green credentials of this intriguing transformation are highlighted.
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Affiliation(s)
- Jorge García-Lacuna
- University College Dublin, School of Chemistry, Science Centre South, Dublin 4, Ireland
| | - Marcus Baumann
- University College Dublin, School of Chemistry, Science Centre South, Dublin 4, Ireland
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5
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Nan J, Huang Q, Men X, Yang S, Wang J, Ma Y. Palladium-catalyzed denitrogenation/vinylation of benzotriazinones with vinylene carbonate. Chem Commun (Camb) 2024; 60:3571-3574. [PMID: 38469678 DOI: 10.1039/d4cc00059e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
Herein, a novel Pd-catalyzed denitrogenation/vinylation of benzotriazinones using vinylene carbonate as the vinylation reagent is reported. This transformation demonstrates an unprecedented skeletal editing approach, effectively converting NN to CC fragments in situ and synthesizing a collection of isoquinolinones with broad-spectrum functional group tolerance. Moreover, the quite concise reaction system and late-stage modification of bioactive molecules comprehensively underscore the practical potential of this protocol.
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Affiliation(s)
- Jiang Nan
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
- Xi'an Key Laboratory of Antiviral and Antimicrobial-Resistant Bacteria Therapeutics Research, Xi'an, 710021, China
| | - Qiong Huang
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Xinran Men
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Shuai Yang
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Jing Wang
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Yangmin Ma
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
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6
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Bokosi FRB, Shiels OJ, Richardson C, Trevitt AJ, Keaveney ST. Divergent Reactivity of 1,2,3-Benzotriazin-4(3 H)-ones: Photocatalytic Synthesis of 3-Substituted Isoindolinones Achieved through a Nitrogen-Mediated Hydrogen Atom Shift. J Org Chem 2024; 89:1836-1845. [PMID: 38226655 DOI: 10.1021/acs.joc.3c02545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
A regioselective visible-light-mediated denitrogenative alkene insertion of 1,2,3-benzotriazin-4(3H)-ones was developed to access 3-substituted isoindolinones, an important structural motif present in many biologically active molecules and natural products. Notably, divergent reactivity was achieved by switching from reported nickel catalysis (where C3-substituted 3,4-dihydroisoquinolin-1(2H)-ones form) to photocatalysis, where photocatalytic denitrogenation and a subsequent nitrogen-mediated hydrogen atom shift lead to exclusive 3-substituted isoindolinone formation. The developed photocatalytic reaction is compatible with activated terminal alkenes and cyclic α,β-unsaturated esters and ketones, with wide functional group tolerance for N-substitution of the 1,2,3-benzotriazin-4(3H)-ones. The utility of this procedure is highlighted by a gram-scale synthesis and postsynthetic amidation. To understand the origin of this unique product selectivity, experimental and computational mechanistic studies were performed.
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Affiliation(s)
- Fostino R B Bokosi
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Oisin J Shiels
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Christopher Richardson
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Adam J Trevitt
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Sinead T Keaveney
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
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7
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Shiels OJ, Menti-Platten M, Bokosi FRB, Burns BR, Keaveney ST, Keller PA, Barker PJ, Trevitt AJ. A Photoreactor-Interfaced Mass Spectrometer: An Online Platform to Monitor Photochemical Reactions. Anal Chem 2023; 95:15472-15476. [PMID: 37830912 DOI: 10.1021/acs.analchem.3c03294] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Abstract
An experimental platform is reported that allows for the online characterization of photochemical reactions by coupling a continuous flow photoreactor, equipped with LED light irradiation and a dual-tipped ESI source, directly to a mass spectrometer with electrospray ionization. The capabilities of this platform are demonstrated with two classes of photoreactions: (1) the photopolymerization of methyl methacrylate and (2) photocatalyzed alkyne insertion into a 1,2,3-benzotriazinone. The online technique provides rapid information to inform the underlying photochemical mechanism and evaluate the overall photochemistry.
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Affiliation(s)
- Oisin J Shiels
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong NSW 2522, Australia
| | - Maria Menti-Platten
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong NSW 2522, Australia
| | - Fostino R B Bokosi
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong NSW 2522, Australia
| | - Brett R Burns
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong NSW 2522, Australia
| | - Sinead T Keaveney
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong NSW 2522, Australia
| | - Paul A Keller
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong NSW 2522, Australia
| | - Philip J Barker
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong NSW 2522, Australia
| | - Adam J Trevitt
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong NSW 2522, Australia
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8
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Maqueda-Zelaya F, Aceña JL, Merino E, Vaquero JJ, Sucunza D. 1,2,3-Benzotriazine Synthesis by Heterocyclization of p-Tosylmethyl Isocyanide Derivatives. J Org Chem 2023; 88:14131-14139. [PMID: 37721789 PMCID: PMC10563127 DOI: 10.1021/acs.joc.3c01675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Indexed: 09/19/2023]
Abstract
An efficient methodology to form 4-alkoxy- and 4-aryloxybenzo[d][1,2,3]triazines via an intramolecular heterocyclization of 1-azido-2-[isocyano(p-tosyl)methyl]benzenes under basic conditions has been developed. DFT calculations have been performed to further understand the mechanism of this heterocyclization, which occurs in good to excellent yields with a broad scope.
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Affiliation(s)
- Francisco Maqueda-Zelaya
- Departamento de Química Orgánica
y Química Inorgánica, Instituto de Investigación
Química “Andrés M. del Río” (IQAR), Universidad de Alcalá, IRYCIS, 28805, Alcalá
deHenares, Madrid, Spain
| | - José Luis Aceña
- Departamento de Química Orgánica
y Química Inorgánica, Instituto de Investigación
Química “Andrés M. del Río” (IQAR), Universidad de Alcalá, IRYCIS, 28805, Alcalá
deHenares, Madrid, Spain
| | - Estíbaliz Merino
- Departamento de Química Orgánica
y Química Inorgánica, Instituto de Investigación
Química “Andrés M. del Río” (IQAR), Universidad de Alcalá, IRYCIS, 28805, Alcalá
deHenares, Madrid, Spain
| | - Juan J. Vaquero
- Departamento de Química Orgánica
y Química Inorgánica, Instituto de Investigación
Química “Andrés M. del Río” (IQAR), Universidad de Alcalá, IRYCIS, 28805, Alcalá
deHenares, Madrid, Spain
| | - David Sucunza
- Departamento de Química Orgánica
y Química Inorgánica, Instituto de Investigación
Química “Andrés M. del Río” (IQAR), Universidad de Alcalá, IRYCIS, 28805, Alcalá
deHenares, Madrid, Spain
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9
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Chen J, Xiao L, Qi L. Electrochemical annulation of 1,2,3-benzotriazinones with alkynes to access isoquinolin-1(2 H)-ones. Org Biomol Chem 2023; 21:7295-7299. [PMID: 37646442 DOI: 10.1039/d3ob01161e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
An eco-friendly approach for electrochemical radical cascade annulation of 1,2,3-benzotriazinones with alkynes is described. Under catalyst-free and external reductant-free electrolysis conditions, a range of isoquinolin-1(2H)-ones were obtained in moderate to good yields. Cyclic voltammetry and control studies suggest that the reaction proceeds via a radical pathway. Furthermore, this approach could be easily scaled up.
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Affiliation(s)
- JinKang Chen
- College of Pharmaceutical Sciences, Jiangsu Vocational College of Medicine, Yancheng 224000, China.
| | - Linxia Xiao
- College of Pharmaceutical Sciences, Jiangsu Vocational College of Medicine, Yancheng 224000, China.
| | - Liang Qi
- College of Pharmaceutical Sciences, Jiangsu Vocational College of Medicine, Yancheng 224000, China.
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10
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Wang H, Ding W, Zou G. Mechanoredox/Nickel Co-Catalyzed Cross Electrophile Coupling of Benzotriazinones with Alkyl (Pseudo)halides. J Org Chem 2023; 88:12891-12901. [PMID: 37615491 DOI: 10.1021/acs.joc.3c00681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/25/2023]
Abstract
An air-tolerant mechanoredox/nickel cocatalyzed cross electrophile coupling of benzotriazinones with alkyl (pseudo)halides is developed by liquid-assisting grinding in the presence of manganese powders and strontium titanate as a reductant and a cocatalyst, respectively. Mechanical activation of metal surfaces via ball milling eliminates the chemical activator for manganese, while mechanoredox cocatalysis of strontium titanate remarkably improves the aryl/alkyl cross electrophile coupling via piezoelectricity-mediated radical generation from alkyl halides. Both benzotriazinones and alkyl (pseudo)halides display reactivities in the mechanoredox/nickel cocatalysis different from those of conventional thermal chemistry in solution. The scope of the reaction is demonstrated with 26 examples, showing a high chemoselectivity of bromides vs chlorides.
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Affiliation(s)
- Huimin Wang
- School of Chemistry & Molecular Engineering, East China University of Science & Technology, 130 Meilong Rd, Shanghai 200237, P.R. China
| | - Wenbin Ding
- School of Chemistry & Molecular Engineering, East China University of Science & Technology, 130 Meilong Rd, Shanghai 200237, P.R. China
| | - Gang Zou
- School of Chemistry & Molecular Engineering, East China University of Science & Technology, 130 Meilong Rd, Shanghai 200237, P.R. China
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11
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Li S, Li Y, Zhu R, Bai J, Shen Y, Pan M, Li W. Synthesis of ortho-Methylated Benzamides via Palladium-Catalyzed Denitrogenative Cross-Coupling Reaction of [1,2,3]-Benzotriazin-4(3 H)-ones with DABAL-Me 3. Org Lett 2023. [PMID: 37440414 DOI: 10.1021/acs.orglett.3c01745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/15/2023]
Abstract
We herein developed a palladium-catalyzed reaction of [1,2,3]-benzotriazin-4(3H)-ones with DABAL-Me3 [bis(trimethylaluminum)-1,4-diazabicyclo[2.2.2]octane adduct], a cheap, stable, and solid organoaluminum reagent. In the presence of Pd(OAc)2/XantPhos as a commercially available catalyst, [1,2,3]-benzotriazin-4(3H)-ones underwent denitrogenative coupling with DABAL-Me3 to afford a wide array of N-aryl amides derived from ortho-methylated carboxylic acids. Under the same catalytic conditions, ortho-ethylation of [1,2,3]-benzotriazin-4(3H)-ones could also be achieved by using triethylaluminum.
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Affiliation(s)
- Shangzhang Li
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, 200093, P. R. China
| | - Yang Li
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, 200093, P. R. China
| | - Riqian Zhu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, 200093, P. R. China
| | - Jin Bai
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, 200093, P. R. China
| | - Yue Shen
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, 200093, P. R. China
| | - Mengni Pan
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, 200093, P. R. China
| | - Wanfang Li
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, 200093, P. R. China
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12
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Korivi R, Madasamy K, Sureshbabu P, Mannathan S. Convenient Synthesis of Salicylanilide Sulfonates from 1,2,3-Benzotriazin-4(3 H)-ones and Organosulfonic Acids via Denitrogenative Cross-Coupling. ACS OMEGA 2023; 8:18306-18311. [PMID: 37251178 PMCID: PMC10210227 DOI: 10.1021/acsomega.3c02165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 04/26/2023] [Indexed: 05/31/2023]
Abstract
An efficient and straightforward approach to synthesize salicylanilide aryl and alkyl sulfonates from 1,2,3-benzotriazin-4(3H)-ones and organosulfonic acids is described. This protocol is operationally simple and scalable, exhibits a broad substrate scope with high functional group tolerance, and affords the desired products in good to high yield. Application of the reaction is also demonstrated by converting the desired product to synthetically useful salicylamides in high yields.
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13
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Lin T, Wang YE, Cui N, Li M, Wang R, Bai J, Fan Y, Xiong D, Xue F, Walsh PJ, Mao J. Nickel-Catalyzed Cross-Electrophile Coupling of 1,2,3-Benzotriazin-4(3 H)-ones with Aryl Bromides. J Org Chem 2022; 87:16567-16577. [PMID: 36455282 DOI: 10.1021/acs.joc.2c02246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
The nickel-catalyzed cross-electrophile coupling of 1,2,3-benzotriazin-4(3H)-ones with aryl bromides to generate a diverse array of ortho-arylated benzamide derivatives has been developed. The reaction displayed good functional group tolerance with Zn as the reductant. The key to this transformation is the ring opening of benzotriazinones, which undergo a denitrogenative process to obtain various benzamide derivatives (29 examples, 42-93% yield). The scalability of this transformation was demonstrated.
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Affiliation(s)
- Tingzhi Lin
- Technical Institute of Fluorochemistry, Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Yan-En Wang
- College of Science, Hebei Agricultural University, Baoding 071000, P. R. China
| | - Ning Cui
- Technical Institute of Fluorochemistry, Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Miaohui Li
- Technical Institute of Fluorochemistry, Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Rui Wang
- Technical Institute of Fluorochemistry, Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Jiahui Bai
- Technical Institute of Fluorochemistry, Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - YiRan Fan
- Technical Institute of Fluorochemistry, Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Dan Xiong
- Technical Institute of Fluorochemistry, Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Fei Xue
- Institute of Material Physics & Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Patrick J Walsh
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Jianyou Mao
- Technical Institute of Fluorochemistry, Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
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14
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Zhou Y, Zhang B, Dong J, Li J, Yang S, Ye L. Assembly of Benzo[ c][1,2]dithiol-3-ones via Acid-Promoted Denitrogenative Transannulation of Benzotriazinones. Org Lett 2022; 24:9012-9016. [DOI: 10.1021/acs.orglett.2c03638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yao Zhou
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, China
| | - Bohao Zhang
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, China
| | - Junjie Dong
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, China
| | - Jingnan Li
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, China
| | - Shanhong Yang
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, China
| | - Likun Ye
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, China
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15
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Madasamy K, Balakrishnan MH, Korivi R, Mannathan S. Trifluoroacetic Acid-Mediated Denitrogenative ortho-Hydroxylation of 1,2,3-Benzotriazin-4(3 H)-ones: A Metal-Free Approach. J Org Chem 2022; 87:8752-8756. [PMID: 35700398 DOI: 10.1021/acs.joc.2c00354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An efficient trifluoroacetic acid-mediated denitrogenative hydroxylation of 1,2,3-benzotriazin-4(3H)-ones is described. This metal-free approach is compatible with a wide range of 1,2,3-benzotriazin-4(3H)-ones, affording ortho-hydroxylated benzamides in good to high yields with a short reaction time. The reaction is believed to proceed via a benzene diazonium intermediate. The synthetic utility of the reaction was successfully demonstrated by the preparation of an antimicrobial drug, Riparin C, and benzoxazine-2,4(3H)-diones in good yields.
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Affiliation(s)
- Kanagaraj Madasamy
- Department of Chemistry, SRM University, AP, Amaravati, Andhra Pradesh 522 502, India
| | - Madasamy Hari Balakrishnan
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Chennai 603 203, India
| | - Ramaraju Korivi
- Department of Chemistry, SRM University, AP, Amaravati, Andhra Pradesh 522 502, India
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16
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Liu BX, Wang F, Chen Y, Rao W, Shen SS, Wang SY. Visible-Light-Promoted Denitrogenative Ortho-selenylation Reaction of benzotriazinones: Synthesis of ortho-selenylated Benzamides, Ebselen Analogs. Org Chem Front 2022. [DOI: 10.1039/d2qo00121g] [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
A visible-light-promoted regioselective denitrogenative cross-coupling between benzotriazinones and selenosulfonates is reported. This protocol allows for the convenient synthesis of ortho-selenylated benzamides in good yields from readily available starting materials under...
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17
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Yang WC, Chen CY, Li JF, Wang ZL. Radical denitrogenative transformations of polynitrogen heterocycles: Building C–N bonds and beyond. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(21)63814-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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18
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Ghosh S, Chakrabortty R, Ganesh V. Dual Functionalization of Alkynes Utilizing the Redox Characteristics of Transition Metal Catalysts. ChemCatChem 2021. [DOI: 10.1002/cctc.202100838] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Sudipta Ghosh
- Department of Chemistry Indian Institute of Technology Kharagpur 721302 West Bengal India
| | - Rajesh Chakrabortty
- Department of Chemistry Indian Institute of Technology Kharagpur 721302 West Bengal India
| | - Venkataraman Ganesh
- Department of Chemistry Indian Institute of Technology Kharagpur 721302 West Bengal India
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19
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McGrory R, Faggyas RJ, Sutherland A. One-pot synthesis of N-substituted benzannulated triazoles via stable arene diazonium salts. Org Biomol Chem 2021; 19:6127-6140. [PMID: 34179913 DOI: 10.1039/d1ob00968k] [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
A mild and effective one-pot synthesis of 1,2,3-benzotriazin-4(3H)-ones and benzothiatriazine-1,1(2H)-dioxide analogues has been developed. The method involves the diazotisation and subsequent cyclisation of 2-aminobenzamides and 2-aminobenzenesulfonamides via stable diazonium salts, prepared using a polymer-supported nitrite reagent and p-tosic acid. The transformation was compatible with a wide range of aryl functional groups and amide/sulfonamide-substituents and was used for the synthesis of pharmaceutically important targets. The synthetic utility of the one-pot diazotisaton-cyclisation process was further demonstrated with the preparation of an α-amino acid containing 1,2,3-benzotriazin-4(3H)-one.
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Affiliation(s)
- Rochelle McGrory
- School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, UK.
| | - Réka J Faggyas
- School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, UK.
| | - Andrew Sutherland
- School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, UK.
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20
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Balakrishnan MH, Kanagaraj M, Sankar V, Ravva MK, Mannathan S. Synthesis of ortho-arylated and alkenylated benzamides by palladium-catalyzed denitrogenative cross-coupling reactions of 1,2,3-benzotriazin-4(3 H)-ones with organoboronic acids. NEW J CHEM 2021. [DOI: 10.1039/d1nj03706d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
An efficient palladium-catalyzed denitrogenative cross-coupling reaction of 1,2,3-benzotriazin-4(3H)-ones with organoboronic acids is described. The reaction affords various ortho-aryl and alkenylated benzamides in good to high yields.
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Affiliation(s)
- Madasamy Hari Balakrishnan
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603203, India
| | - Madasamy Kanagaraj
- Department of Chemistry SRM University, AP, Andhra Pradesh 522502, India
| | - Velayudham Sankar
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603203, India
| | - Mahesh Kumar Ravva
- Department of Chemistry SRM University, AP, Andhra Pradesh 522502, India
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21
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Iyori Y, Ueno R, Morishige A, Chatani N. Nickel-catalyzed C-O/N-H, C-S/N-H, and C-CN/N-H annulation of aromatic amides with alkynes: C-O, C-S, and C-CN activation. Chem Sci 2020; 12:1772-1777. [PMID: 34163938 PMCID: PMC8179272 DOI: 10.1039/d0sc06056a] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
The Ni-catalyzed reaction of ortho-phenoxy-substituted aromatic amides with alkynes in the presence of LiOtBu as a base results in C–O/N–H annulation with the formation of 1(2H)-isoquinolinones. The use of a base is essential for the reaction to proceed. The reaction proceeds, even in the absence of a ligand, and under mild reaction conditions (40 °C). An electron-donating group on the aromatic ring facilitates the reaction. The reaction was also applicable to carbamate (C–O bond activation), methylthio (C–S bond activation), and cyano (C–CN bond activation) groups as leaving groups. The Ni-catalyzed reaction of ortho-phenoxy-substituted aromatic amides with alkynes in the presence of LiOtBu as a base results in C–O/N–H annulation with the formation of 1(2H)-isoquinolinones.![]()
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Affiliation(s)
- Yasuaki Iyori
- Department of Applied Chemistry, Faculty of Engineering, Osaka University Suita Osaka 565-0871 Japan
| | - Rina Ueno
- Department of Applied Chemistry, Faculty of Engineering, Osaka University Suita Osaka 565-0871 Japan
| | - Aoi Morishige
- Department of Applied Chemistry, Faculty of Engineering, Osaka University Suita Osaka 565-0871 Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering, Osaka University Suita Osaka 565-0871 Japan
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22
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Xu F, Zhu WJ, Wang J, Ma Q, Shen LJ. Rhodium-catalyzed synthesis of substituted isoquinolones via a selective decarbonylation/alkyne insertion cascade of phthalimides. Org Biomol Chem 2020; 18:8219-8223. [PMID: 33043915 DOI: 10.1039/d0ob01793k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A rhodium-catalyzed decarbonylation/alkyne insertion cascade of phthalimides has been established. The reaction can be carried out in an operationally simple manner and provides expedient access to a series of isoquinolones in moderate to good yields. This reaction proceeded through a sequential decarbonylation/alkyne insertion/intramolecular annulation procedure and featured good functional group tolerance, ample substrate scope, and the construction of C-C and C-N bonds in one pot.
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Affiliation(s)
- Fen Xu
- Department of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, P. R. China
| | - Wen-Jing Zhu
- Department of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, P. R. China
| | - Juan Wang
- Henan Ecological and Environmental Monitoring Center, Zhengzhou 450002, P. R. China
| | - Qi Ma
- Department of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, P. R. China
| | - Li-Jing Shen
- Department of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, P. R. China
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23
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Nohira I, Liu S, Bai R, Lan Y, Chatani N. Nickel-Catalyzed C–F/N–H Annulation of Aromatic Amides with Alkynes: Activation of C–F Bonds under Mild Reaction Conditions. J Am Chem Soc 2020; 142:17306-17311. [PMID: 32981319 DOI: 10.1021/jacs.0c08512] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Itsuki Nohira
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Song Liu
- School of Chemistry and Chemical Engineering and Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, Chongqing 400030, People’s Republic of China
| | - Ruopeng Bai
- School of Chemistry and Chemical Engineering and Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, Chongqing 400030, People’s Republic of China
| | - Yu Lan
- School of Chemistry and Chemical Engineering and Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, Chongqing 400030, People’s Republic of China
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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24
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Li J, Zheng Y, Huang M, Li W. Ni-Catalyzed Denitrogenative Cross-Coupling of Benzotriazinones and Cyclopropanols: An Easy Access to Functionalized β-Aryl Ketones. Org Lett 2020; 22:5020-5024. [DOI: 10.1021/acs.orglett.0c01579] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Jincan Li
- College of Science, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Yan Zheng
- College of Science, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Mingxian Huang
- College of Science, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Wanfang Li
- College of Science, University of Shanghai for Science and Technology, Shanghai 200093, China
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25
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Hari Balakrishnan M, Mannathan S. Palladium/Copper-Catalyzed Denitrogenative Alkylidenation and ortho-Alkynylation Reaction of 1,2,3-Benzotriazin-4(3H)-ones. Org Lett 2019; 22:542-546. [DOI: 10.1021/acs.orglett.9b04297] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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26
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Teng J, Sun S, Yu JT, Cheng J. Copper-Catalyzed Cascade Denitrogenative Transannulation/Hydrolyzation of 3-Aminoindazoles toward 2,2-Disubstituted Indanones. J Org Chem 2019; 84:15669-15676. [DOI: 10.1021/acs.joc.9b02303] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Jiangang Teng
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, PR China
| | - Song Sun
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, PR China
| | - Jin-Tao Yu
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, PR China
| | - Jiang Cheng
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, PR China
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27
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Zhou Y, Wang Y, Lou Y, Song Q. Cu-Catalyzed Denitrogenative Transannulation of 3-Aminoindazoles To Assemble 1-Aminoisoquinolines and 3-Aminobenzothiophenes. Org Lett 2019; 21:8869-8873. [DOI: 10.1021/acs.orglett.9b02288] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Yao Zhou
- Institute of Next Generation Matter Transformation, College of Materials Science & Engineering at Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian 361021, China
| | - Ya Wang
- Institute of Next Generation Matter Transformation, College of Materials Science & Engineering at Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian 361021, China
| | - Yixian Lou
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang 310000, China
| | - Qiuling Song
- Institute of Next Generation Matter Transformation, College of Materials Science & Engineering at Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian 361021, China
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang 310000, China
- Fujian University Key Laboratory of Molecule Synthesis and Function Discovery, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
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28
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Ren X, Lu Z. Visible light promoted difunctionalization reactions of alkynes. CHINESE JOURNAL OF CATALYSIS 2019. [DOI: 10.1016/s1872-2067(19)63278-x] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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29
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Mei M, Anand D, Zhou L. Divergent Conversion of N-Acyl-isoxazol-5(2 H)-ones to Oxazoles and 1,3-Oxazin-6-ones Using Photoredox Catalysis. Org Lett 2019; 21:3548-3553. [PMID: 31059271 DOI: 10.1021/acs.orglett.9b00903] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The fragmentation of N-acyl-isoxazol-5-ones using visible light photoredox catalysis has been disclosed. The catalyst-controlled divergent mechanisms, namely the oxidative and reductive quenching catalytic cycle, are utilized. Various oxazoles and 1,3-oxazin-6-ones are selectively obtained from the same isoxazol-5-one skeleton under mild conditions.
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Affiliation(s)
- Mingjing Mei
- School of Chemistry , Sun Yat-Sen University , 135 Xingang West Road , Guangzhou , 510275 , China
| | - Devireddy Anand
- School of Chemistry , Sun Yat-Sen University , 135 Xingang West Road , Guangzhou , 510275 , China
| | - Lei Zhou
- School of Chemistry , Sun Yat-Sen University , 135 Xingang West Road , Guangzhou , 510275 , China
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30
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Liu Y, Wang QL, Chen Z, Zhou Q, Li H, Zhou CS, Xiong BQ, Zhang PL, Tang KW. Visible-Light-Catalyzed C–C Bond Difunctionalization of Methylenecyclopropanes with Sulfonyl Chlorides for the Synthesis of 3-Sulfonyl-1,2-dihydronaphthalenes. J Org Chem 2019; 84:2829-2839. [DOI: 10.1021/acs.joc.8b03261] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yu Liu
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Qiao-Lin Wang
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Zan Chen
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Quan Zhou
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Hua Li
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Cong-Shan Zhou
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Bi-Quan Xiong
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Pan-Liang Zhang
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Ke-Wen Tang
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
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31
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Barak DS, Mukhopadhyay S, Dahatonde DJ, Batra S. NaNO2/I2 as an alternative reagent for the synthesis of 1,2,3-benzotriazin-4(3H)-ones from 2-aminobenzamides. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2018.12.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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32
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He Y, Yuan C, Jiang Z, Shuai L, Xiao Q. Expeditious Synthesis of Isoquinolone Derivatives by Rhodium(I)-Catalyzed Annulation Reaction through C–C Bond Cleavage. Org Lett 2018; 21:185-189. [DOI: 10.1021/acs.orglett.8b03653] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yiyi He
- College of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - Chengsha Yuan
- College of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - Zeqi Jiang
- College of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - Li Shuai
- College of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - Qing Xiao
- College of Pharmacy, Third Military Medical University, Chongqing 400038, China
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33
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Gao H, Struble TJ, Coley CW, Wang Y, Green WH, Jensen KF. Using Machine Learning To Predict Suitable Conditions for Organic Reactions. ACS CENTRAL SCIENCE 2018; 4:1465-1476. [PMID: 30555898 PMCID: PMC6276053 DOI: 10.1021/acscentsci.8b00357] [Citation(s) in RCA: 185] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Indexed: 05/23/2023]
Abstract
Reaction condition recommendation is an essential element for the realization of computer-assisted synthetic planning. Accurate suggestions of reaction conditions are required for experimental validation and can have a significant effect on the success or failure of an attempted transformation. However, de novo condition recommendation remains a challenging and under-explored problem and relies heavily on chemists' knowledge and experience. In this work, we develop a neural-network model to predict the chemical context (catalyst(s), solvent(s), reagent(s)), as well as the temperature most suitable for any particular organic reaction. Trained on ∼10 million examples from Reaxys, the model is able to propose conditions where a close match to the recorded catalyst, solvent, and reagent is found within the top-10 predictions 69.6% of the time, with top-10 accuracies for individual species reaching 80-90%. Temperature is accurately predicted within ±20 °C from the recorded temperature in 60-70% of test cases, with higher accuracy for cases with correct chemical context predictions. The utility of the model is illustrated through several examples spanning a range of common reaction classes. We also demonstrate that the model implicitly learns a continuous numerical embedding of solvent and reagent species that captures their functional similarity.
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Affiliation(s)
- Hanyu Gao
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Thomas J. Struble
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Connor W. Coley
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Yuran Wang
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - William H. Green
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Klavs F. Jensen
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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34
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Thorat VH, Upadhyay NS, Cheng CH. Nickel-Catalyzed Denitrogenativeortho-Arylation of Benzotriazinones with Organic Boronic Acids: an Efficient Route to Losartan and Irbesartan Drug Molecules. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800923] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
| | | | - Chien-Hong Cheng
- Department of Chemistry; National Tsing Hua University; Hsinchu 30013 Taiwan
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35
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Shan G, Flegel J, Li H, Merten C, Ziegler S, Antonchick AP, Waldmann H. C−H Bond Activation for the Synthesis of Heterocyclic Atropisomers Yields Hedgehog Pathway Inhibitors. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809680] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Gang Shan
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Jana Flegel
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Technische Universität Dortmund; Fakultät Chemie und Chemische Biologie; Otto-Hahn-Strasse 4a 44227 Dortmund Germany
| | - Houhua Li
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Christian Merten
- Ruhr-Universität Bochum; Lehrstuhl für Organische Chemie II; Universitätsstrasse 150 44801 Bochum Germany
| | - Slava Ziegler
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Andrey P. Antonchick
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Technische Universität Dortmund; Fakultät Chemie und Chemische Biologie; Otto-Hahn-Strasse 4a 44227 Dortmund Germany
| | - Herbert Waldmann
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Technische Universität Dortmund; Fakultät Chemie und Chemische Biologie; Otto-Hahn-Strasse 4a 44227 Dortmund Germany
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36
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Shan G, Flegel J, Li H, Merten C, Ziegler S, Antonchick AP, Waldmann H. C−H Bond Activation for the Synthesis of Heterocyclic Atropisomers Yields Hedgehog Pathway Inhibitors. Angew Chem Int Ed Engl 2018; 57:14250-14254. [DOI: 10.1002/anie.201809680] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Indexed: 12/22/2022]
Affiliation(s)
- Gang Shan
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Jana Flegel
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Technische Universität Dortmund; Fakultät Chemie und Chemische Biologie; Otto-Hahn-Strasse 4a 44227 Dortmund Germany
| | - Houhua Li
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Christian Merten
- Ruhr-Universität Bochum; Lehrstuhl für Organische Chemie II; Universitätsstrasse 150 44801 Bochum Germany
| | - Slava Ziegler
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Andrey P. Antonchick
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Technische Universität Dortmund; Fakultät Chemie und Chemische Biologie; Otto-Hahn-Strasse 4a 44227 Dortmund Germany
| | - Herbert Waldmann
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Technische Universität Dortmund; Fakultät Chemie und Chemische Biologie; Otto-Hahn-Strasse 4a 44227 Dortmund Germany
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37
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Zhou Y, Wang Y, Lou Y, Song Q. Oxidative Rearrangement of 3-Aminoindazoles for the Construction of 1,2,3-Benzotriazine-4(3H)-ones at Ambient Temperature. Org Lett 2018; 20:6494-6497. [DOI: 10.1021/acs.orglett.8b02813] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yao Zhou
- Institute of Next Generation Matter Transformation, College of Chemical Engineering, College of Material Sciences Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian 361021, P.R. China
| | - Ya Wang
- Institute of Next Generation Matter Transformation, College of Chemical Engineering, College of Material Sciences Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian 361021, P.R. China
| | - Yixian Lou
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang 310000, P.R. China
| | - Qiuling Song
- Institute of Next Generation Matter Transformation, College of Chemical Engineering, College of Material Sciences Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian 361021, P.R. China
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang 310000, P.R. China
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38
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Zhou Y, Deng S, Mai S, Song Q. Cu-Catalyzed Denitrogenative Ring-Opening of 3-Aminoindazoles for the Synthesis of Aromatic Nitrile-Containing (Hetero)Arenes. Org Lett 2018; 20:6161-6165. [DOI: 10.1021/acs.orglett.8b02629] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yao Zhou
- Institute of Next Generation Matter Transformation, College of Chemical Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian 361021, P. R. China
| | - Shuilin Deng
- Institute of Next Generation Matter Transformation, College of Chemical Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian 361021, P. R. China
| | - Shaoyu Mai
- Institute of Next Generation Matter Transformation, College of Chemical Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian 361021, P. R. China
| | - Qiuling Song
- Institute of Next Generation Matter Transformation, College of Chemical Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian 361021, P. R. China
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, P.R. China
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39
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Zhang GT, Zhang J, Xu YJ, Dong L. Metal-Free [3+2] Tandem Cyclization Synthesis of Unique 11H
-Pyrido[3′,2′:4,5]Pyrrolo[3,2-b
]Indolizine from 7-Azaindoles and Pyridotriazoles. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800764] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Guo-Tai Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry; West China School of Pharmacy; Sichuan University; 610041 Chengdu China
| | - Jing Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry; West China School of Pharmacy; Sichuan University; 610041 Chengdu China
| | - Yan-Jun Xu
- Xinjiang Technical Institute of Physics & Chemistry; Chinese Academy of Sciences; 830011 Urumqi China
| | - Lin Dong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry; West China School of Pharmacy; Sichuan University; 610041 Chengdu China
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40
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Hari Balakrishnan M, Sathriyan K, Mannathan S. Nickel-Catalyzed Denitrogenative Cross-Coupling Reaction of 1,2,3-Benzotriazin-4(3H)-ones with Organoboronic Acids: An Easy Access to Ortho-Arylated and Alkenylated Benzamides. Org Lett 2018; 20:3815-3818. [DOI: 10.1021/acs.orglett.8b01401] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Kotturaja Sathriyan
- SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, Chennai 603203, India
| | - Subramaniyan Mannathan
- SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, Chennai 603203, India
- Department of Chemistry, SRM University-AP, Amaravati 522502, Andhra Pradesh, India
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41
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Chandrasekhar A, Sankararaman S. Selective Synthesis of 3-Arylbenzo-1,2,3-triazin-4(3H)-ones and 1-Aryl-(1H)-benzo-1,2,3-triazoles from 1,3-Diaryltriazenes through Pd(0) Catalyzed Annulation Reactions. J Org Chem 2018; 82:11487-11493. [PMID: 28984453 DOI: 10.1021/acs.joc.7b02023] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Pd(0) catalyzed carbonylative annulation reaction of 1-(2-iodophenyl)-3-aryltriaz-1-enes in the presence of DABCO and 1 atm of carbon monoxide in toluene at 80 °C gave the corresponding 3-arylbenzo-1,2,3-triazin-4(3H)-ones with high selectivity and in excellent yields. Substrate scope of this reaction is demonstrated with 24 examples with various halo, alkyl, and alkoxy substituents on either of the aromatic rings. Bromo substituted triazenes were less reactive as starting materials toward the carbonylative annulation reaction and yielded 3-arylbenzo-1,2,3-triazin-4(3H)-ones in good to moderate yields in the presence of only xantphos as an additive. In the absence of CO (under N2 atmosphere), the reaction did not proceed, and only starting material was recovered. However, in the presence of catalytic amount of CO or in the presence of Ph3P in catalytic amounts as additives, the reactions proceeded to yield the corresponding 1-aryl-(1H)-benzo-1,2,3-triazoles selectively in good yields. On the basis of control experiments, a plausible reaction mechanism for the selective formation of 3-arylbenzo-1,2,3-triazin-4(3H)-ones in the presence of CO and1-aryl-(1H)-benzo-1,2,3-triazoles in the absence of CO through a common intermediate was proposed.
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Affiliation(s)
- Attoor Chandrasekhar
- Department of Chemistry, Indian Institute of Technology Madras , Chennai 600036, India
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42
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Yang T, Fan X, Zhao X, Yu W. Iron-Catalyzed Acyl Migration of Tertiary α-Azidyl Ketones: Synthetic Approach toward Enamides and Isoquinolones. Org Lett 2018; 20:1875-1879. [DOI: 10.1021/acs.orglett.8b00409] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Tonghao Yang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Xing Fan
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Xiaopeng Zhao
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Wei Yu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
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43
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Synthesis of quinazolinone derivatives via a visible-light photocatalyzed denitrogenation rearrangement process. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2017.12.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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44
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Corrigan N, Shanmugam S, Xu J, Boyer C. Photocatalysis in organic and polymer synthesis. Chem Soc Rev 2018; 45:6165-6212. [PMID: 27819094 DOI: 10.1039/c6cs00185h] [Citation(s) in RCA: 466] [Impact Index Per Article: 77.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This review, with over 600 references, summarizes the recent applications of photoredox catalysis for organic transformation and polymer synthesis. Photoredox catalysts are metallo- or organo-compounds capable of absorbing visible light, resulting in an excited state species. This excited state species can donate or accept an electron from other substrates to mediate redox reactions at ambient temperature with high atom efficiency. These catalysts have been successfully implemented for the discovery of novel organic reactions and synthesis of added-value chemicals with an excellent control of selectivity and stereo-regularity. More recently, such catalysts have been implemented by polymer chemists to post-modify polymers in high yields, as well as to effectively catalyze reversible deactivation radical polymerizations and living polymerizations. These catalysts create new approaches for advanced organic transformation and polymer synthesis. The objective of this review is to give an overview of this emerging field to organic and polymer chemists as well as materials scientists.
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Affiliation(s)
- Nathaniel Corrigan
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, UNSW Australia, Sydney, NSW 2052, Australia. and Australian Centre for NanoMedicine, School of Chemical Engineering, UNSW Australia, Sydney, NSW 2052, Australia
| | - Sivaprakash Shanmugam
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, UNSW Australia, Sydney, NSW 2052, Australia.
| | - Jiangtao Xu
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, UNSW Australia, Sydney, NSW 2052, Australia. and Australian Centre for NanoMedicine, School of Chemical Engineering, UNSW Australia, Sydney, NSW 2052, Australia
| | - Cyrille Boyer
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, UNSW Australia, Sydney, NSW 2052, Australia. and Australian Centre for NanoMedicine, School of Chemical Engineering, UNSW Australia, Sydney, NSW 2052, Australia
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45
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Raynor KD, May GD, Bandarage UK, Boyd MJ. Generation of Diversity Sets with High sp3 Fraction Using the Photoredox Coupling of Organotrifluoroborates and Organosilicates with Heteroaryl/Aryl Bromides in Continuous Flow. J Org Chem 2018; 83:1551-1557. [DOI: 10.1021/acs.joc.7b02680] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Kevin D. Raynor
- Vertex Pharmaceuticals Inc., 50 Nothern Avenue, Boston, Massachusetts 02210, United States
| | - Gregory D. May
- Vertex Pharmaceuticals Inc., 50 Nothern Avenue, Boston, Massachusetts 02210, United States
| | - Upul K. Bandarage
- Vertex Pharmaceuticals Inc., 50 Nothern Avenue, Boston, Massachusetts 02210, United States
| | - Michael J. Boyd
- Vertex Pharmaceuticals Inc., 50 Nothern Avenue, Boston, Massachusetts 02210, United States
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46
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Mondal A, Kundu P, Jash M, Chowdhury C. Palladium-catalysed stereoselective synthesis of 4-(diarylmethylidene)-3,4-dihydroisoquinolin-1(2H)-ones: expedient access to 4-substituted isoquinolin-1(2H)-ones and isoquinolines. Org Biomol Chem 2018; 16:963-980. [DOI: 10.1039/c7ob02788e] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Palladium-catalysed stereoselective synthesis of 4-(diarylmethylidene)-3,4-dihydroisoquinolin-1(2H)-ones and their straightforward transformations to 4-substituted isoquinolin-1(2H)-ones and isoquinolines are described.
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Affiliation(s)
- Amrita Mondal
- Organic and Medicinal Chemistry Division
- Indian Institute of Chemical Biology (CSIR)
- Kolkata-700032
- India
| | - Priyanka Kundu
- Organic and Medicinal Chemistry Division
- Indian Institute of Chemical Biology (CSIR)
- Kolkata-700032
- India
| | - Moumita Jash
- Organic and Medicinal Chemistry Division
- Indian Institute of Chemical Biology (CSIR)
- Kolkata-700032
- India
| | - Chinmay Chowdhury
- Organic and Medicinal Chemistry Division
- Indian Institute of Chemical Biology (CSIR)
- Kolkata-700032
- India
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47
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Thorat VH, Upadhyay NS, Murakami M, Cheng CH. Nickel-Catalyzed Denitrogenative Annulation of 1,2,3-Benzotriazin-4-(3H
)-ones with Benzynes for Construction of Phenanthridinone Scaffolds. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201701143] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | | | - Masahiro Murakami
- Department of Synthetic Chemistry and Biological Chemistry Kyoto University; Katsura Kyoto 615-8510 Japan
| | - Chien-Hong Cheng
- Department of Chemistry; National Tsing Hua University; Hsinchu 30013 Taiwan
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48
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Zhang HH, Yu S. Radical Alkylation of Imines with 4-Alkyl-1,4-dihydropyridines Enabled by Photoredox/Brønsted Acid Cocatalysis. J Org Chem 2017; 82:9995-10006. [DOI: 10.1021/acs.joc.7b01425] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Hong-Hao Zhang
- State Key Laboratory of Analytical
Chemistry for Life Science, Jiangsu Key Laboratory of Advanced Organic
Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Shouyun Yu
- State Key Laboratory of Analytical
Chemistry for Life Science, Jiangsu Key Laboratory of Advanced Organic
Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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49
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Dhakal B, Gamage LS, Zhang Y, Herndon JW. Synthesis of highly substituted benzene ring systems through three-component coupling of enyne imines, Fischer carbene complexes, and electron-deficient alkynes. Tetrahedron Lett 2017; 58:1403-1407. [DOI: 10.1016/j.tetlet.2017.02.070] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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50
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Menigaux D, Belmont P, Brachet E. Light on Unsaturated Hydrocarbons - “Gotta Heterofunctionalize Them All”. European J Org Chem 2017. [DOI: 10.1002/ejoc.201601626] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Doriane Menigaux
- Université Paris Descartes; Faculté de Pharmacie de Paris, UMR CNRS 8638 (COMETE); 4 avenue de l'Observatoire 75006 Paris France
| | - Philippe Belmont
- Université Paris Descartes; Faculté de Pharmacie de Paris, UMR CNRS 8638 (COMETE); 4 avenue de l'Observatoire 75006 Paris France
| | - Etienne Brachet
- Université Paris Descartes; Faculté de Pharmacie de Paris, UMR CNRS 8638 (COMETE); 4 avenue de l'Observatoire 75006 Paris France
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