Related Experiment Video
Updated: Dec 6, 2025
Facile Preparation of Ultrafine Aluminum Hydroxide Particles with or without Mesoporous MCM-41 in Ambient Environments
Published on: May 11, 2017
Reversible Reductive Elimination in Aluminum(II) Dihydrides
Rosalyn L Falconer1, Gary S Nichol1, Ivan V Smolyar1
1School of Chemistry, University of Edinburgh, Joseph Black Building, David Brewster Road, Edinburgh, EH9 3FJ, UK.
Researchers developed new dihydrodialanes using amidophosphine ligands. These compounds enable reversible reductive elimination and oxidative addition chemistry for aluminum(I) and aluminum(III) intermediates.
Area of Science:
- Organometallic Chemistry
- Main-Group Chemistry
- Aluminum Chemistry
Background:
- Oxidative addition and reductive elimination are key reactions in transition-metal chemistry.
- While oxidative addition is established in main-group chemistry, reductive elimination remains less general.
Purpose of the Study:
- To report novel dihydrodialanes stabilized by amidophosphine ligands.
- To investigate reversible reductive elimination/oxidative addition reactions involving aluminum intermediates.
Main Methods:
- Synthesis of dihydrodialanes supported by amidophosphine ligands.
- Utilizing the ligand as a stereochemical reporter to monitor reaction pathways.
Main Results:
- Demonstration of reversible reductive elimination and oxidative addition chemistry.
- Characterization of aluminum(I) and aluminum(III) intermediates.
Conclusions:
- Amidophosphine ligands facilitate novel reductive elimination/oxidative addition chemistry in main-group elements.
- The developed dihydrodialanes represent a new platform for studying aluminum redox chemistry.
More Related Videos
10:27Simultaneous Multi-surface Anodizations and Stair-like Reverse Biases Detachment of Anodic Aluminum Oxides in Sulfuric and Oxalic Acid Electrolyte
Published on: October 5, 2017
06:46Facile Preparation of 2Z,4E-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate
Published on: June 21, 2017
Related Concept Videos
01:19Acid Halides to Alcohols: LiAlH4 Reduction
The mechanism proceeds in three steps. First, the nucleophilic hydride ion attacks the carbonyl carbon of the acid halide to form a tetrahedral intermediate. Next, the carbonyl group is re-formed, and the halide ion departs as a leaving group, generating an aldehyde. A second nucleophilic attack by the hydride yields an alkoxide ion, which, upon protonation, gives a primary alcohol as...
01:17Esters to Alcohols: Hydride Reductions
Lithium aluminum hydride is a source of hydride ions and functions as a nucleophile. The mechanism proceeds in three steps. Firstly, the nucleophilic hydride ion attacks the carbonyl carbon of the ester to form a tetrahedral intermediate. Subsequently, the carbonyl group re-forms,...
01:24Preparation of Aldehydes and Ketones from Nitriles and Carboxylic Acids
Reducing carboxylic acid derivatives like acyl chlorides (RCOCl), esters (RCO2R′), and nitriles (RCN) using milder aluminum hydride agents like lithium tri-tert-butoxyaluminum hydride [LiAlH(O-t-Bu)3] and diisobutylaluminum hydride [DIBAL-H]...
02:23Alcohols from Carbonyl Compounds: Reduction
Catalytic hydrogenation is similar to the reduction of an alkene or alkyne by adding H2 across the pi bond in the presence of transition metal catalysts like Raney Ni, Pd–C, Pt, or Ru. Aldehydes and ketones can be reduced by this method, often under mild to moderate heat (25–100°C) and...
01:15Acid Halides to Alcohols: Grignard Reaction
Grignard reagents are a source of carbanions and function as nucleophiles. The mechanism begins with the nucleophilic attack by the carbanion at the carbonyl carbon of the acid halide to form a tetrahedral intermediate. Next, the carbonyl group is re-formed, and the halide ion departs,...
01:17Carboxylic Acids to Primary Alcohols: Hydride Reduction