Metal-catalyzed C–H functionalization involving isocyanides

B Song, B Xu - Chemical Society Reviews, 2017 - pubs.rsc.org
Isocyanides have a broad range of applications in multicomponent reactions such as
Passerini and Ugi processes. Recent advances in metal catalysis have tremendously …

Recent advances in indazole-containing derivatives: synthesis and biological perspectives

SG Zhang, CG Liang, WH Zhang - Molecules, 2018 - mdpi.com
Indazole-containing derivatives represent one of the most important heterocycles in drug
molecules. Diversely substituted indazole derivatives bear a variety of functional groups and …

Direct Acyl Radical Addition to 2H-Indazoles Using Ag-Catalyzed Decarboxylative Cross-Coupling of α-Keto Acids

G Bogonda, HY Kim, K Oh - Organic letters, 2018 - ACS Publications
A direct acyl radical addition to 2 H-indazoles has been achieved for the first time, where the
less-aromatic quinonoid 2 H-indazoles readily accepted radical species to the C-3 position …

Visible-Light-Induced Organophotoredox-Catalyzed Phosphonylation of 2H-Indazoles with Diphenylphosphine Oxide

M Singsardar, A Dey, R Sarkar… - The Journal of Organic …, 2018 - ACS Publications
A metal-free visible-light-induced phosphonylation of 2 H-indazoles with diphenylphosphine
oxide has been developed using rose bengal as an organophotoredox catalyst under …

Electrochemically Enabled Dehydrogenative Phosphorothiolation of 2H‐Indazoles under Electrolyte‐Free Conditions

P Ghosh, A Hajra - Advanced Synthesis & Catalysis, 2022 - Wiley Online Library
We have developed an electrochemical method for phosphorothiolation of 2H‐indazoles
using S‐hydrogen phosphorothioates via cross dehydrogenative coupling reaction under …

Recent advances in palladium-catalyzed isocyanide insertions

JW Collet, TR Roose, B Weijers, BUW Maes, E Ruijter… - Molecules, 2020 - mdpi.com
Isocyanides have long been known as versatile chemical reagents in organic synthesis.
Their ambivalent nature also allows them to function as a CO-substitute in palladium …

Visible-Light-Induced Regioselective Cross-Dehydrogenative Coupling of 2H-Indazoles with Ethers

M Singsardar, S Laru, S Mondal… - The Journal of Organic …, 2019 - ACS Publications
A visible-light-promoted regioselective C (sp2)–H/C (sp3)–H cross-dehydrogenative
coupling between 2 H-indazoles and ethers has been achieved using a catalytic amount of …

Metal-free trifluoromethylation of indazoles

P Ghosh, S Mondal, A Hajra - The Journal of Organic Chemistry, 2018 - ACS Publications
A simple and efficient tert-butyl hydroperoxide-mediated direct trifluoromethylation of
indazoles using sodium trifluoromethanesulfinate has been developed under metal-free …

Regioselective C3–H Trifluoromethylation of 2H-Indazole under Transition-Metal-Free Photoredox Catalysis

A Murugan, VN Babu, A Polu… - The Journal of …, 2019 - ACS Publications
Trifluoromethyl-substituted heteroarenes are biologically active compounds and useful
building blocks. In this sequence, we have developed a visible-light-promoted regioselective …

Iodine-Catalyzed Selenylation of 2H-Indazole

A Dey, A Hajra - The Journal of Organic Chemistry, 2019 - ACS Publications
A metal-free, environmentally friendly protocol for the arylselenylation of 2 H-indazole has
been developed using a catalytic amount of I2 under ambient conditions. A number of 3 …