Transition metal-catalyzed coupling of heterocyclic alkenes via C–H functionalization: recent trends and applications

SV Kumar, S Banerjee, T Punniyamurthy - Organic Chemistry Frontiers, 2020 - pubs.rsc.org
Heterocyclic alkenes represent an important class of reactive feedstock and valuable
synthons for the synthesis of biologically important heterocyclic scaffolds. Although …

Recent Advances in Metal‐catalyzed Alkylation, Alkenylation and Alkynylation of Indole/indoline Benzenoid Nucleus

S Pradhan, PB De, TA Shah… - Chemistry–An Asian …, 2020 - Wiley Online Library
Selective editing of the benzenoid C− H bonds (C4− C7) in indoles/indolines has received
great interest because functionalized indoles/indolines are featured in many marketed drugs …

Palladium-catalyzed direct and specific C-7 acylation of indolines with 1, 2-diketones

G Xie, Y Zhao, C Cai, GJ Deng, H Gong - Organic Letters, 2021 - ACS Publications
The indole scaffold is a ubiquitous and useful substructure, and extensive investigations
have been conducted to construct the indole framework and/or realize indole modification …

Construction of carbazole-based unnatural amino acid scaffolds via Pd (ii)-catalyzed C (sp 3)–H functionalization

R Kaur, S Banga, SA Babu - Organic & Biomolecular Chemistry, 2022 - pubs.rsc.org
We report the synthesis of carbazole-based unnatural α-amino acid and non-α-amino acid
derivatives via a Pd (II)-catalyzed bidentate directing group 8-aminoquinoline-aided β-C …

Rhodium III-catalyzed remote difunctionalization of arenes assisted by a relay directing group

L Sun, Y Zhao, B Liu, J Chang, X Li - Chemical Science, 2022 - pubs.rsc.org
Rhodium-catalyzed diverse tandem twofold C–H bond activation reactions of para-olefin-
tethered arenes have been realized, with unsaturated reagents such as internal alkynes …

Transition‐Metal‐Catalyzed Directing Group Assisted (Hetero) aryl C− H Functionalization: Construction of C− C/C‐Heteroatom Bonds

T Sarkar, TA Shah, PK Maharana… - The Chemical …, 2021 - Wiley Online Library
Transition‐metal‐catalyzed C− H functionalization is one of the fascinating scientific fronts in
organic synthesis for the formation of conjugated arenes and has emerged as a benchmark …

Palladium-Catalyzed C-2 and C-3 Dual C–H Functionalization of Indoles: Synthesis of Fluorinated Isocryptolepine Analogues

C Chen, Y Wang, X Shi, W Sun, J Zhao, YP Zhu… - Organic …, 2020 - ACS Publications
Here we report a protocol to synthesize diversiform fluorinated isocryptolepine analogues
with potential biological activities in one step via directed C-2 and C-3 dual C–H …

Copper-Catalyzed C7-Selective C–H/N–H Cross-Dehydrogenative Coupling of Indolines with Sulfoximines

S Banerjee, M Mishra, T Punniyamurthy - Organic Letters, 2022 - ACS Publications
Cu-catalyzed cross-dehydrogenative coupling of the C7 C–H bond of indolines with
sulfoximines has been accomplished. The reaction can be extended to the cross …

Transition-Metal-Catalyzed Directed C8–H Carbon–Carbon Bond Formation in Quinolines and 1, 2, 3, 4-Tetrahydroquinolines

S Basak, T Paul, S Mandal, P Karjee… - …, 2023 - thieme-connect.com
C8-Substituted quinoline (QN) and 1, 2, 3, 4-tetrahydroquinoline (THQ) scaffolds are
featured in numerous bioactive compounds and natural products. Appreciable efforts have …

Nickel-Catalyzed Tandem Cyclization of 1, 6-Diynes with Indolines/Indoles through Dual C–H Bond Activation

SK Yadav, M Jeganmohan - The Journal of Organic Chemistry, 2023 - ACS Publications
A nickel-catalyzed site-selective tandem cyclization of 1, 6-diynes with substituted indolines
or indoles through consecutive dual C–H bond activation is described. In the reaction …