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Updated: Apr 17, 2026

Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV
Published on: December 29, 2016
A reversible two-electron redox system involving a divalent lead species
Masaichi Saito1, Marisa Nakada, Takuya Kuwabara
1Department of Chemistry, Graduate School of Science and Engineering, Saitama University, Shimo-okubo, Sakura-ku, Saitama-city, Saitama 338-8570, Japan. masaichi@chem.saitama-u.ac.jp.
Researchers achieved a reversible conversion between a plumbacyclopentadienylidene and its dilithiated form using lithium. This marks the first demonstration of such interconversion for a group 14 organometallic compound.
Area of Science:
- Organometallic Chemistry
- Main Group Chemistry
Background:
- Organometallic compounds containing group 14 elements are crucial in various chemical applications.
- Reversible transformations between different oxidation states are highly desirable for catalytic processes.
Purpose of the Study:
- To explore the reactivity of THF-stabilized plumbacyclopentadienylidene.
- To achieve a reversible interconversion between a group 14 M(II) species and its dianionic form.
Main Methods:
- Reduction of plumbacyclopentadienylidene using lithium.
- Oxidation of the resulting dilithioplumbole.
Main Results:
- Successful synthesis of dilithioplumbole via reduction.
- Demonstrated reversibility by oxidizing dilithioplumbole back to plumbacyclopentadienylidene.
- This represents an unprecedented reversible interconversion for a group 14 organometallic compound.
Conclusions:
- The study presents a novel reversible redox system involving a plumbacyclopentadienylidene and its dilithiated derivative.
- This work opens new avenues for the development of novel organometallic reagents and catalysts based on group 14 elements.
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