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Updated: Jun 21, 2025
09:45
Accessing Valuable Ligand Supports for Transition Metals: A Modified, Intermediate Scale Preparation of 1,2,3,4,5-Pentamethylcyclopentadiene
Published on: March 20, 2017
10.4K
Syntheses, Characterization, and Redox Activity of Ferrocene-Containing Titanium Complexes
Kevin Schwitalla1, Justin Klimek1, Tobias Greven1
1Institut für Chemie, Carl von Ossietzky Universität Oldenburg, D-26111 Oldenburg, Federal Republic of Germany.
ACS Omega
|July 8, 2024
Summary
This study explores reactions between titanium complexes and ferrocene derivatives, forming novel bimetallic compounds. New functionalization pathways were discovered using bifunctional ferrocenes, leading to unique titanium-phosphine complexes.
Area of Science:
- Organometallic Chemistry
- Coordination Chemistry
- Materials Science
Background:
- Bis(π-η⁵:σ-η¹)pentafulvene)titanium complexes exhibit diverse E-H activation and Ti-C functionalization.
- Ferrocene derivatives are accessible, redox-active compounds with versatile applications.
Purpose of the Study:
- To investigate the reactivity of bis(pentafulvene)titanium complexes with bifunctional ferrocene derivatives.
- To synthesize novel bimetallic and organometallic complexes with potential applications.
Main Methods:
- Reaction of ferrocene aldehydes/ketones with titanium complexes.
- Deprotonation reactions of ferrocenyl alcohols and phosphines with titanium complexes.
- Study of reactivity with Rosenthal's reagent.
Main Results:
- Formation of bimetallic complexes via C=O insertion into Ti-C bonds.
- Synthesis of alcoholate complexes through O-H deprotonation.
- Generation of a P-P linked phosphine from 1,1'-bis(phenylphosphine)ferrocene.
- Formation of a paramagnetic Ti(III) complex with Rosenthal's reagent.
Conclusions:
- Bis(pentafulvene)titanium complexes offer versatile reactivity with functionalized ferrocenes.
- Intramolecular reactions with bifunctional ferrocenes lead to unique complex structures.
- The study expands the scope of organometallic synthesis and reactivity.
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