The Production Process of Ir(Mppy)3 , Tris[2-(p-tolyl)pyridine]iridiuM(III)

The Production Process of Ir(Mppy)3 , Tris[2-(p-tolyl)pyridine]iridium(III)

Ir(Mppy)3 , Tris[2-(p-tolyl)pyridine]iridium(III) is a complex organometallic compound that finds application in a variety of chemical reactions, including olefin polymerization, hydroformylation, and hydrogenation.
The production process of this compound involves several steps, from the preparation of the starting materials to the final product.

Step 1: Preparation of Halogenated Palladium Catalyst

The first step in the production process of Ir(Mppy)3 , Tris[2-(p-tolyl)pyridine]iridium(III) involves the preparation of a halogenated palladium catalyst.
This catalyst is used in the subsequent step of the process, where iridium is introduced into the molecule.
The preparation of the halogenated palladium catalyst involves the reaction of palladium with a halogen species, such as chlorine or bromine.
This reaction is carried out in the presence of a solvent, such as dichloromethane or dichloroethane, and a base, such as sodium hydroxide or potassium hydroxide.
The reaction produces a halogenated palladium complex, which is then reduced to form the final catalyst.

Step 2: Preparation of N,N-Dimethylaniline

The next step in the production process of Ir(Mppy)3 , Tris[2-(p-tolyl)pyridine]iridium(III) involves the preparation of N,N-dimethylaniline.
This compound is used as a ligand in the formation of the iridium complex.
The preparation of N,N-dimethylaniline involves the reaction of aniline with formaldehyde in the presence of a weak acid catalyst, such as hydrochloric acid or sulfuric acid.
The reaction is carried out under conditions that allow for the formation of the desired product.

Step 3: Preparation of Mppy

The third step in the production process of Ir(Mppy)3 , Tris[2-(p-tolyl)pyridine]iridium(III) involves the preparation of Mppy.
This compound is used as a ligand in the formation of the iridium complex.
The preparation of Mppy involves the reaction of 2-methylphenylborate with sodium hydroxide in the presence of a solvent, such as water or ethanol.
The reaction produces the desired Mppy compound, which is then used in the subsequent step of the process.

Step 4: Formation of Ir(Mppy)3

The fourth step in the production process of Ir(Mppy)3 , Tris[2-(p-tolyl)pyridine]iridium(III) involves the formation of the Ir(Mppy)3 complex.
This step involves the introduction of iridium into the molecule, where it binds to the Mppy ligand.
The formation of Ir(Mppy)3 involves the reaction of iridium chloride with Mppy in the presence of a solvent, such as toluene or xylene.
The reaction produces the desired Ir(Mppy)3 complex, which is then used as the final product.

Step 5: Purification and Characterization of Ir(Mppy)3

The final step in the production process of Ir(Mppy)3 , Tris[2-(p-tolyl)pyridine]iridium(III) involves the purification and characterization of the final product.
This step involves the use of standard purification techniques, such as crystallization, filtration, and chromatography, to remove any impurities that may have been introduced during the reaction process.
The purified product is then character