Phenalenyl radical: Smallest polycyclic odd alternant hydrocarbon present in the graphene sheet

J Ahmed, SK Mandal - Chemical Reviews, 2022 - ACS Publications
Phenalenyl, a zigzag-edged odd alternant hydrocarbon unit can be found in the graphene
nanosheet. Hückel molecular orbital calculations indicate the presence of a nonbonding …

Enroute sustainability: metal free C–H bond functionalisation

S Roy, S Panja, SR Sahoo, S Chatterjee… - Chemical Society …, 2023 - pubs.rsc.org
The term “C–H functionalisation” incorporates C–H activation followed by its transformation.
In a single line, this can be defined as the conversion of carbon–hydrogen bonds into …

Exploring closed-shell cationic phenalenyl: From catalysis to spin electronics

A Mukherjee, SC Sau, SK Mandal - Accounts of Chemical …, 2017 - ACS Publications
Conspectus The odd alternant hydrocarbon phenalenyl (PLY) can exist in three different
forms, a closed-shell cation, an open-shell radical, and a closed-shell anion, using its …

Revisiting the radical initiation mechanism of the diamine-promoted transition-metal-free cross-coupling reaction

L Zhang, H Yang, L Jiao - Journal of the American Chemical …, 2016 - ACS Publications
Radical chain reactions leading to C–C bond formation are widely used in organic
synthesis, and initiation of the radical chain process usually requires thermolabile radical …

Generation of aryl radicals from aryl halides: rongalite-promoted transition-metal-free arylation

F Yu, R Mao, M Yu, X Gu, Y Wang - The Journal of Organic …, 2019 - ACS Publications
A new and practical method for the generation of aryl radicals from aryl halides is reported.
Rongalite as a novel precursor of super electron donors was used to initiate a series of …

Transforming Non-innocent Phenalenyl to a Potent Photoreductant: Captivating Reductive Functionalization of Aryl Halides through Visible-Light-Induced Electron …

V Pathania, VJ Roy, SR Roy - The Journal of Organic Chemistry, 2022 - ACS Publications
Herein, we have established a phenalenyl-based molecular scaffold which serves as a
potent photoreductant utilizing the empty NBMO in the presence of a base to form a radical …

Tuning redox states of phenalenyl-based molecules by consecutive reduction toward transition metal-free heck-type C–C cross-coupling

A Banik, SK Mandal - ACS Catalysis, 2022 - ACS Publications
Phenalenyl-based molecules can switch their redox states on successive addition of
electrons from a cation to a radical to an anion. Utilizing this phenomenal ability, we have …

Mimicking transition metals in borrowing hydrogen from alcohols

A Banik, J Ahmed, S Sil, SK Mandal - Chemical Science, 2021 - pubs.rsc.org
Borrowing hydrogen from alcohols, storing it on a catalyst and subsequent transfer of the
hydrogen from the catalyst to an in situ generated imine is the hallmark of a transition metal …

A new face of phenalenyl-based radicals in the transition metal-free C–H arylation of heteroarenes at room temperature: Trap** the radical initiator via C–C σ-bond …

J Ahmed, P Sreejyothi, G Vijaykumar, A Jose… - Chemical …, 2017 - pubs.rsc.org
The radical-mediated transition metal-free approach for the direct C–H bond
functionalization of arenes is considered as a cost effective alternative to transition metal …

Tuning the redox non-innocence of a phenalenyl ligand toward efficient nickel-assisted catalytic hydrosilylation

G Vijaykumar, A Pariyar, J Ahmed, BK Shaw… - Chemical …, 2018 - pubs.rsc.org
In this report, a ligand-redox assisted catalytic hydrosilylation has been investigated. A
phenalenyl ligand coordinated nickel complex has been utilized as an electron reservoir to …