Multiple annulations of inert C (sp 2)–H bonds with alkynes

A Saha, M Shankar, S Sau, AK Sahoo - Chemical Communications, 2022 - pubs.rsc.org
Transition-metal catalyzed directing group (DG) assisted annulation of inert C–H bonds
leads to the formation of complex molecular frameworks from readily accessible substrates …

Comprehensive strategies for the synthesis of isoquinolines: Progress Since 2008

R Gujjarappa, N Vodnala… - Advanced Synthesis & …, 2020 - Wiley Online Library
In the past decades, an enormous number of reports have been dedicated towards the
synthesis of nitrogen containing heterocycles. This immense interest have emerged owing to …

(SCp) Rhodium‐Catalyzed Asymmetric Satoh–Miura Reaction for Building‐up Axial Chirality: Counteranion‐Directed Switching of Reaction Pathways

WW Zhang, Q Wang, SZ Zhang, C Zheng… - Angewandte …, 2023 - Wiley Online Library
Satoh–Miura reaction is an important method for extending π‐systems by forging multi‐
substituted benzene rings via double aryl C− H activation and annulation with alkynes …

Enantioselective Synthesis of C− N Axially Chiral N‐Aryloxindoles by Asymmetric Rhodium‐Catalyzed Dual C− H Activation

H Li, X Yan, J Zhang, W Guo, J Jiang… - Angewandte Chemie …, 2019 - Wiley Online Library
Abstract The first enantioselective Satoh–Miura‐type reaction is reported. A variety of C− N
axially chiral N‐aryloxindoles have been enantioselectively synthesized by an asymmetric …

Pd-catalyzed regioselective rollover dual C–H annulation cascade: facile approach to phenanthrene derivatives

MN Kumar, V Suresh, A Nagireddy… - Chemical …, 2023 - pubs.rsc.org
Annulations of unsaturated systems through C–H activation represent a powerful tool for
producing multicyclic scaffolds. Having coordinating centers in both annulation partners (a …

Additive-Controlled Divergent Synthesis of Tetrasubstituted 1,3-Enynes and Alkynylated 3H-Pyrrolo[1,2-a]indol-3-ones via Rhodium Catalysis

F Zhao, X Gong, Y Lu, J Qiao, X Jia, H Ni, X Wu… - Organic …, 2021 - ACS Publications
Herein, we report the additive-controlled divergent synthesis of tetrasubstituted 1, 3-enynes
and alkynylated 3 H-pyrrolo [1, 2-a] indol-3-ones through rhodium-catalyzed C–H …

Three-component synthesis of N-naphthyl pyrazoles via Rh (iii)-catalyzed cascade pyrazole annulation and Satoh–Miura benzannulation

D Chen, L Zhou, Y Liu, JP Wan - Chemical Communications, 2023 - pubs.rsc.org
The synthesis of N-naphthyl pyrazoles has been realized by the direct three-component
reactions of enaminones, aryl hydrazine hydrochlorides and internal alkynes via Rh (III) …

Enantioselective Twofold C− H Annulation of Formamides and Alkynes without Built‐in Chelating Groups

H Chen, YX Wang, YX Luan, M Ye - Angewandte Chemie, 2020 - Wiley Online Library
Twofold C− H annulation of readily available formamides and alkynes without built‐in
chelating groups was achieved. Ni− Al bimetallic catalysis enabled by a bulky BINOL …

Diverse reactivity of alkynes in C–H activation reactions

SK Banjare, PS Mahulkar, T Nanda, BV Pati… - Chemical …, 2022 - pubs.rsc.org
Alkynes occupy a prominent role as a coupling partner in the transition metal-catalysed
directed C–H activation reactions. Due to low steric requirements and linear geometry …

Cp*Co(III)-Catalyzed Selective C8-Olefination and Oxyarylation of Quinoline N-Oxides with Terminal Alkynes

D Parmar, AK Dhiman, R Kumar… - The Journal of …, 2022 - ACS Publications
Herein we report Cp* Co (III)-catalyzed site-selective (C8)–H olefination and oxyarylation of
quinoline N-oxides with terminal alkynes. The selectivity for C8-olefination and oxyarylation …