Related Experiment Video
Updated: Sep 17, 2025

The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes
Published on: April 10, 2015
Synthesis, Characterization, and Light Sensitivity in Titanium Piano Stool Alkyl and Sulfur Complexes,
Bayler G Barnes1, Alejandro J Metta-Magaña2, Eric W Reinheimer3
1Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, New Mexico 88003, United States.
This study synthesizes novel piano stool titanium sulfide complexes. The terminal sulfide complex is the first of its kind, with all synthesized compounds showing photosensitivity.
Area of Science:
- Organometallic Chemistry
- Coordination Chemistry
- Inorganic Chemistry
Background:
- Piano stool titanium complexes are versatile organometallic compounds.
- Sulfide ligands in organometallic chemistry present unique reactivity and structural properties.
- Understanding the stability and photochemistry of these complexes is crucial for their application.
Purpose of the Study:
- To synthesize and characterize novel piano stool titanium sulfide complexes.
- To investigate the structural features of titanium-sulfur bonds.
- To evaluate the photosensitivity of these new organometallic compounds.
Main Methods:
- Reaction of (C5Me5)-TiMe3 with HSCPh3 to form a titanium thiolate complex.
- Reduction of the thiolate complex using alkali metals (K or Na) in the presence of crown ethers or cryptands.
- Characterization using spectroscopic techniques (1H NMR, UV-visible spectroscopy).
- Photolysis experiments to assess compound stability.
Main Results:
- Synthesis of (C5Me5)-TiMe2(SCPh3) from (C5Me5)-TiMe3.
- Formation of alkali metal sulfide complexes, including the first terminal sulfide piano stool titanium complex, [K-(crypt)]-[(C5Me5)-TiMe2(S)].
- Demonstration of photosensitivity across the synthesized compounds (1-3).
- Photostability order: 1 > 2 > 3.
Conclusions:
- Successful synthesis of novel titanium sulfide complexes with unique structural motifs.
- The terminal sulfide complex represents a significant advancement in organotitanium chemistry.
- The photosensitivity of these complexes warrants further investigation for potential applications and limitations.
More Related Videos
08:54Vibrational Spectra of a N719-Chromophore/Titania Interface from Empirical-Potential Molecular-Dynamics Simulation, Solvated by a Room Temperature Ionic Liquid
Published on: January 25, 2020
19:58Palladium N-Heterocyclic Carbene Complexes: Synthesis from Benzimidazolium Salts and Catalytic Activity in Carbon-carbon Bond-forming Reactions
Published on: July 30, 2017
Related Concept Videos
Preparation and Reactions of Sulfides
Structure and Nomenclature of Thiols and Sulfides
Synthesis and Decomposition Reactions
Alkenes via Reductive Coupling of Aldehydes or Ketones: McMurry Reaction
Stereoisomerism
Isomers are different chemical species that have the same chemical formula.
Transition metal complexes often exist as geometric isomers, in which the same atoms are connected through the same types of bonds but with differences in their orientation in space. Coordination complexes with two different ligands in the cis and trans positions from a ligand of interest form isomers. For example, the octahedral [Co(NH3)4Cl2]+ ion has two isomers (Figure 1) In the cis...
Chirality at Nitrogen, Phosphorus, and Sulfur
A consequence of chirality is the need for enantiomeric resolution. While this is theoretically possible for all...