4.6 Review

Functionalization of imidazo[1,2-a]pyridines via radical reactions

Related references

Note: Only part of the references are listed.
Article Chemistry, Multidisciplinary

Practical and sustainable approach for clean preparation of 5-organylselanyl uracils

Jin-Yang Chen et al.

Summary: An eco-friendly, sustainable and practical method for efficient preparation of 5-organylselanyl uracils through electrochemical selenylation of uracils has been developed at room temperature under oxidant- and external electrolyte-free conditions.

CHINESE CHEMICAL LETTERS (2021)

Article Chemistry, Organic

Electrochemical Oxidative Regioselective C-H Cyanation of Imidazo[1,2-a]pyridines

Ting Cui et al.

Summary: An electrochemical oxidative regioselective C-H cyanation of imidazo[1,2-a]pyridines was developed utilizing TMSCN as the cyano source, with the KH2PO4/K2HPO4 buffer being essential for the transformation. This protocol was compatible with a broad range of substituted imidazo[1,2-a]pyridines and provided the C3 cyanated products in moderate to excellent yields.

JOURNAL OF ORGANIC CHEMISTRY (2021)

Article Chemistry, Organic

TEMPO-Mediated Cross-Dehydrogenative Coupling of Indoles and Imidazo[1,2-a]pyridines with Fluorinated Alcohols

Dhananjay S. Nipate et al.

Summary: A metal-free method for hydroxyfluoroalkylation of indoles and imidazo[1,2-a]pyridines has been developed via TEMPO-mediated C(sp(3))-H and C(sp(2))-H bond cross-dehydrogenative coupling of fluorinated alcohols. The protocol showed good yields, broad substrate scope, and scalability, with mechanistic investigation suggesting involvement of a radical pathway.

ORGANIC LETTERS (2021)

Article Chemistry, Multidisciplinary

Divergent intramolecular reactions between phosphines and alkynes

Yanying Song et al.

CHINESE CHEMICAL LETTERS (2020)

Article Chemistry, Organic

New Access to Six-Membered Phosphacycle Annulated Polyaromatic Ring System

Erbing Si et al.

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY (2020)

Review Chemistry, Organic

C3-Functionalization of Imidazo[1,2-a]pyridines

Zahra Tashrifi et al.

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY (2020)

Article Chemistry, Organic

Visible-Light-Promoted Metal-Free C-H Trifluoromethylation of Imidazopyridines

Xia Mi et al.

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY (2020)

Review Chemistry, Applied

Recent Advances in Radical C-H Bond Functionalization of Imidazoheterocycles

Om P. S. Patel et al.

ADVANCED SYNTHESIS & CATALYSIS (2020)

Article Chemistry, Organic

Visible-Light-Induced Phosphorylation of Imidazo-Fused Heterocycles under Metal-Free Conditions

Fan Gao et al.

JOURNAL OF ORGANIC CHEMISTRY (2020)

Article Chemistry, Organic

Metal-free benzoylation of imidazoheterocycles by oxidative decarboxylation of arylglyoxylic acids

Sonam Jaspal et al.

ORGANIC & BIOMOLECULAR CHEMISTRY (2020)

Review Chemistry, Multidisciplinary

Recent advances in phosphine catalysis involving γ-substituted allenoates

Er-Qing Li et al.

CHEMICAL COMMUNICATIONS (2020)

Review Chemistry, Organic

Visible light promoted C-H functionalization of imidazoheterocycles

Avik Kumar Bagdi et al.

ORGANIC & BIOMOLECULAR CHEMISTRY (2020)

Article Chemistry, Organic

Copper-Catalyzed Double Thiolation To Access Sulfur-Bridged Imidazopyridines with Isothiocyanate

Lu-Lu Tian et al.

JOURNAL OF ORGANIC CHEMISTRY (2019)

Article Chemistry, Multidisciplinary

Clean Oxidation of (Hetero)benzylic Csp3-H Bonds with Molecular Oxygen

Kai-Jian Liu et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2019)

Review Chemistry, Multidisciplinary

Recent applications of radical cascade reaction in the synthesis of functionalized 1-indenones

Yinli Zhang et al.

CHINESE CHEMICAL LETTERS (2019)

Review Chemistry, Multidisciplinary

tert-Butyl Nitrite (TBN), a Multitasking Reagent in Organic Synthesis

Anjali Dahiya et al.

CHEMISTRY-AN ASIAN JOURNAL (2019)

Review Chemistry, Applied

Aliphatic Aldehydes: Novel Radical Alkylating Reagents

Wen-Chao Yang et al.

ADVANCED SYNTHESIS & CATALYSIS (2019)

Article Chemistry, Multidisciplinary

Applications of H-phosphonates for C element bond formation

Mehwish Hussain Muhammad et al.

PURE AND APPLIED CHEMISTRY (2019)

Article Chemistry, Multidisciplinary

Electrochemical oxidative C-H/N-H cross-coupling for C-N bond formation with hydrogen evolution

Yi Yu et al.

CHEMICAL COMMUNICATIONS (2019)

Review Chemistry, Organic

Research Progress on Green Synthesis of Imidazo[1,2-a]pyridine Compounds

Xinyu Zhao et al.

CHINESE JOURNAL OF ORGANIC CHEMISTRY (2019)

Article Chemistry, Multidisciplinary

Exogenous-oxidant-free electrochemical oxidative C-H phosphonylation with hydrogen evolution

Yong Yuan et al.

CHEMICAL COMMUNICATIONS (2019)

Article Chemistry, Multidisciplinary

Recent advances of 1,2,3,5-tetrakis(carbazol-9-yl)-4,6-dicyanobenzene (4CzIPN) in photocatalytic transformations

Tian-Yi Shang et al.

CHEMICAL COMMUNICATIONS (2019)

Article Chemistry, Organic

Oxidative sulfonamidomethylation of imidazopyridines utilizing methanol as the main C1 source

Xue-Mei Zhao et al.

ORGANIC & BIOMOLECULAR CHEMISTRY (2019)

Article Chemistry, Organic

Base-Promoted Transition-Metal-Free Arylation of Imidazo-Fused Heterocycles with Diaryliodonium Salts

Rahul Kumar et al.

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY (2018)

Article Chemistry, Organic

Visible light induced tetramethylethylenediamine assisted formylation of imidazopyridines

Gotam Kibriya et al.

ORGANIC & BIOMOLECULAR CHEMISTRY (2018)

Article Chemistry, Multidisciplinary

Metal-free C-H arylation of imidazoheterocycles with aryl hydrazines

Sourav Jana et al.

RSC ADVANCES (2018)

Review Chemistry, Applied

N-(Acyloxy)phthalimides as Redox-Active Esters in Cross-Coupling Reactions

Sandip Murarka

ADVANCED SYNTHESIS & CATALYSIS (2018)

Article Chemistry, Organic

Phosphorus Radical-Initiated Cascade Reaction To Access 2-Phosphoryl-Substituted Quinoxalines

Yan Liu et al.

JOURNAL OF ORGANIC CHEMISTRY (2018)

Article Chemistry, Organic

Copper-catalyzed C-N bond formation with imidazo[1,2-a]pyridines

Kai Sun et al.

ORGANIC & BIOMOLECULAR CHEMISTRY (2018)

Article Chemistry, Organic

Copper-Mediated C-H Amination of Imidazopyridines with N-Fluorobenzenesulfonimide

Shuai Lu et al.

JOURNAL OF ORGANIC CHEMISTRY (2018)

Review Chemistry, Multidisciplinary

Arylhydrazines: novel and versatile electrophilic partners in cross-coupling reactions

Akram Hosseinian et al.

RSC ADVANCES (2018)

Article Chemistry, Multidisciplinary

Visible light-induced C-H sulfenylation using sulfinic acids

Pengfei Sun et al.

GREEN CHEMISTRY (2017)

Article Chemistry, Organic

Visible Light Organic Photoredox-Catalyzed C-H Alkoxylation of Imidazopyridine with Alcohol

Golam Kibriya et al.

JOURNAL OF ORGANIC CHEMISTRY (2017)

Article Chemistry, Organic

(Diacetoxy)iodobenzene-Mediated Oxidative C-H Amination of Imidazopyridines at Ambient Temperature

Susmita Mondal et al.

JOURNAL OF ORGANIC CHEMISTRY (2017)

Article Chemistry, Organic

Visible-light-mediated C3-azolylation of imidazo[1,2-a]pyridines with 2-bromoazoles

Qing Chang et al.

ORGANIC & BIOMOLECULAR CHEMISTRY (2017)

Article Chemistry, Organic

Visible light-induced C3-sulfonamidation of imidazopyridines with sulfamides

Yongyuan Gao et al.

ORGANIC & BIOMOLECULAR CHEMISTRY (2017)

Review Chemistry, Multidisciplinary

Synthesis of Imidazo[1,2-a]pyridines: C-H Functionalization in the Direction of C-S Bond Formation

Chitrakar Ravi et al.

CHEMICAL RECORD (2017)

Article Chemistry, Multidisciplinary

Silver-mediated radical 5-exo-dig cyclization of 2-alkynylbenzonitriles: synthesis of phosphinylated 1-indenones

Xiao-Tong Zhu et al.

CHEMICAL COMMUNICATIONS (2017)

Article Chemistry, Applied

Copper-Catalyzed Coupling of Indoles with Dimethylformamide as a Methylenating Reagent

Fan Pu et al.

ADVANCED SYNTHESIS & CATALYSIS (2016)

Article Chemistry, Applied

Nickel-Catalyzed C-H Trifluoromethylation of Electron-Rich Heteroarenes

Yun Wu et al.

ADVANCED SYNTHESIS & CATALYSIS (2016)

Article Chemistry, Applied

Copper-Catalyzed Divergent Trifluoromethylation/Cyclization of Unactivated Alkenes

Jing Zheng et al.

ADVANCED SYNTHESIS & CATALYSIS (2016)

Article Chemistry, Organic

FeCl3-Catalyzed Cross-Dehydrogenative Coupling between Imidazoheterocycles and Oxoaldehydes

Sadhanendu Samanta et al.

JOURNAL OF ORGANIC CHEMISTRY (2016)

Article Chemistry, Organic

Iron-Catalyzed Regioselective Alkoxycarbonylation of Imidazoheterocycles with Carbazates

Yongyuan Gao et al.

JOURNAL OF ORGANIC CHEMISTRY (2016)

Article Chemistry, Organic

Regioselective 2,2,2-Trifluoroethylation of Imidazopyridines by Visible Light Photoredox Catalysis

Mei Zhu et al.

JOURNAL OF ORGANIC CHEMISTRY (2016)

Review Chemistry, Multidisciplinary

Radicals: Reactive Intermediates with Translational Potential

Ming Yan et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2016)

Article Chemistry, Organic

Metal-free oxidative hydrophosphinylation of 1,7-enynes

Yi-Long Zhu et al.

ORGANIC CHEMISTRY FRONTIERS (2016)

Article Chemistry, Multidisciplinary

Synthesis of imidazo[1,2-a]pyridines: a decade update

Avik Kumar Bagdi et al.

CHEMICAL COMMUNICATIONS (2015)

Article Chemistry, Organic

Metal-Free Thiocyanation of Imidazoheterocycles through Visible Light Photoredox Catalysis

Shubhanjan Mitra et al.

JOURNAL OF ORGANIC CHEMISTRY (2015)

Article Chemistry, Organic

Regioselective Oxidative Trifluoromethylation of Imidazoheterocycles via C(sp2)-H Bond Functionalization

Kamarul Monir et al.

JOURNAL OF ORGANIC CHEMISTRY (2015)

Article Chemistry, Organic

Regioselective synthesis of nitrosoimidazoheterocycles using tert-butyl nitrite

Kamarul Monir et al.

ORGANIC & BIOMOLECULAR CHEMISTRY (2015)

Article Chemistry, Medicinal

Discovery of Imidazopyridine Derivatives as Highly Potent Respiratory Syncytial Virus Fusion Inhibitors

Song Feng et al.

ACS MEDICINAL CHEMISTRY LETTERS (2015)

Article Biochemistry & Molecular Biology

Antibacterial activities of Groebke-Blackburn-Bienayme-derived imidazo[1,2-a]pyridin-3-amines

Nikunj M. Shukla et al.

BIOORGANIC & MEDICINAL CHEMISTRY (2012)

Article Chemistry, Multidisciplinary

Iron-Catalyzed Oxidative Addition of Alkoxycarbonyl Radicals to Alkenes with Carbazates and Air

Tsuyoshi Taniguchi et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2010)

Article Biochemistry & Molecular Biology

Synthesis and antiprotozoal activity of novel bis-benzamidino imidazo[1,2-a]pyridines and 5,6,7,8-tetrahydroimidazo[1,2-a]pyridines

Mohamed A. Ismail et al.

BIOORGANIC & MEDICINAL CHEMISTRY (2008)