1, 3‐Diynes: A Versatile Precursor in Transition‐Metal Catalyzed (Mediated) C− H Functionalizations

S Kumar, T Kumar Sabbi, R Pingale… - The Chemical …, 2023 - Wiley Online Library
Transition metal‐catalyzed C− H functionalization of diverse arenes with alkyne units has
attracted enormous attention for decades since they provide straightforward access to …

[RhCp*Cl2]2-Catalyzed Indole Functionalization: Synthesis of Bioinspired Indole-Fused Polycycles

AN Singh Chauhan, G Mali, G Dua, P Samant… - ACS …, 2023 - ACS Publications
Polycyclic fused indoles are ubiquitous in natural products and pharmaceuticals due to their
immense structural diversity and biological inference, making them suitable for charting …

Rh(III)-Catalyzed Chemodivergent Annulations between Indoles and Iodonium Carbenes: A Rapid Access to Tricyclic and Tetracyclic N-Heterocylces

S Nunewar, S Kumar, H Pandhare, S Nanduri… - Organic …, 2021 - ACS Publications
Herein, we report an acid-controlled highly tunable selectivity of Rh (III)-catalyzed [4+ 2] and
[3+ 3] annulations of N-carboxamide indoles with iodonium ylides lead to form synthetically …

The solvent-controlled Rh (iii)-catalyzed switchable [4+ 2] annulation of 2-arylIndoles with iodonium ylides

S Nunewar, S Kumar, P Priyanka, P Girase… - Chemical …, 2022 - pubs.rsc.org
Highly selective and switchable [4+ 2] annulations of 2-arylindoles with iodonium ylides
were achieved by performing solvent-controlled Rh (III)-catalyzed C–H activations. When …

Chemo-, Regio-, and Stereoselective Assembly of Polysubstituted Furan-2(5H)-ones Enabled by Rh(III)-Catalyzed Domino C–H Alkenylation/Directing Group …

F Zhao, Z Zhou, Y Lu, J Qiao, X Zhang, X Gong… - ACS …, 2021 - ACS Publications
Exploring multistep cascade reactions triggered by C–H activation are recognized as
appealing, yet challenging. Herein, we disclose a Rh (III)-catalyzed domino C–H coupling of …

Synthesis of Indenone Derivatives by Rh (III)-Catalyzed C–H Functionalization of Sulfoxonium Ylides with 1, 3-Diynes

S Kumar, S Nunewar, TK Sabbi, V Kanchupalli - Organic Letters, 2022 - ACS Publications
The transition-metal-catalyzed C–H functionalization of sulfoxonium ylides with alkynes
formally participates in [4+ 2] annulations to deliver the naphthol scaffolds. In contrast, herein …

Cobalt (III)-catalyzed regioselective C6 olefination of 2-pyridones using alkynes: olefination/directing group migration and olefination

X Xu, L Zhang, H Zhao, Y Pan, J Li, Z Luo, J Han… - Organic …, 2021 - ACS Publications
Co (III)-catalyzed highly regio-and stereoselective direct C6 olefination of 2-pyridones with
alkynes has been developed with the assistance of chelation. Upon variation of the reaction …

Rh(III)-Catalyzed Divergent Synthesis of Alkynylated Imidazo[1,5-a]indoles and α,α-Difluoromethylene Tetrasubstituted Alkenes

F Zhao, J Qiao, Y Lu, X Zhang, L Dai, X Gong… - Organic …, 2021 - ACS Publications
Herein, we report the divergent synthesis of alkynylated imidazo [1, 5-a] indoles and α, α-
difluoromethylene tetrasubstituted alkenes through Rh (III)-catalyzed [4+ 1] …

Synthesis of indole-fused oxepines via C–H activation initiated diastereoselective [5+ 2] annulation of indoles with 1, 6-enynes

X Huang, Y Shi, Y Wang, J Jiao, Y Tang, J Li… - Organic …, 2021 - ACS Publications
A rhodium-catalyzed diastereoselective formal [5+ 2] annulation of indoles with
cyclohexadienone-containing 1, 6-enynes has been established via indole 2, 3 …

Ru (II)-Catalyzed C–H Functionalization of 2-Arylbenzimidazoles with Iodonium Ylides: A Straightforward Access to Bridgehead Polycyclic N-Heterocycles

S Nunewar, S Kumar, AW Meshram… - The Journal of Organic …, 2022 - ACS Publications
Herein, we disclose an efficient ruthenium-catalyzed C–H functionalization of 2-
arylbenzimidazoles/2-arylimidazoles with iodonium ylides leading to substituted tetracyclic …