Options
Redox-Induced Intramolecular C-C Coupling of Acyclic Bis(2-pyridylmethylene)ethylenediamine on a Ru(acac)<inf>2</inf>Platform
Journal
Inorganic Chemistry
ISSN
00201669
Date Issued
2022-05-02
Author(s)
Biswas, Mitrali
Dey, Sanchaita
Panda, Sanjib
Dutta, Arnab
Lahiri, Goutam Kumar
Abstract
The paper documents redox-triggered C-C coupling of acyclic N,N′-bis(2-pyridylmethylene)ethylenediamine (BPE) to yield 2,3-bis(2-pyridyl)pyrazine (DPP) upon coordination to an electron-rich {Ru(acac)2} (acac = acetylacetonate) unit. This led to DPP-bridged [{Ru(acac)2}2(DPP)]0/+(2 and [2]ClO4) along with the unperturbed BPE-bridged [{Ru(acac)2}2(BPE)] (1). On the contrary, electron-poor {Ru(Cl)(H)(CO)(PPh3)3} yielded BPE-bridged [3](ClO4)2as an exclusive product. Synergistic metal (Ru)-ligand (BPE) redox participation toward chemical noninnocence of the Schiff base ligand and DPP-mediated electronic communication in RuIIRuIII-derived [2]ClO4are addressed.