Synthesis of a Crystalline Distannylene-stabilized Quinoxaline Radical Anion
Abstract
The transient quinoxaline radical anion has been isolated and characterized using spectroscopic and crystallographic methods. The radical anion is rendered isolable via dual coordination with Lappert's amido stannylene. Electron paramagnetic resonance (EPR) studies validate a ligand-centered radical localization, establishing a well-defined open-shell redox-active ligand stannylene complex.
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