869986-09-4

Basic information

• Product Name: bis(2,3-dimethyl-1,4-bis(2,6-diisopropylphenyl)-1,4-diaza-1,3-butadiene^(1-))iron(II)
• Synonyms: bis(2,3-dimethyl-1,4-bis(2,6-diisopropylphenyl)-1,4-diaza-1,3-butadiene^(1-))iron(II)
• CAS NO: 869986-09-4
• Molecular Weight: 865.125
• Mol File: 869986-09-4.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: bis(2,3-dimethyl-1,4-bis(2,6-diisopropylphenyl)-1,4-diaza-1,3-butadiene^(1-))iron(II)(CAS DataBase Reference)
• NIST Chemistry Reference: bis(2,3-dimethyl-1,4-bis(2,6-diisopropylphenyl)-1,4-diaza-1,3-butadiene^(1-))iron(II)(869986-09-4)
• EPA Substance Registry System: bis(2,3-dimethyl-1,4-bis(2,6-diisopropylphenyl)-1,4-diaza-1,3-butadiene^(1-))iron(II)(869986-09-4)

Safety Data

• Hazardous Substances Data: 869986-09-4(Hazardous Substances Data)

Upstream product

• 99442-41-8 dichloro(2,3-dimethyl-1,4-bis(2,6-diisopropylphenyl)-1,4-diaza-1,3-butadiene)iron(II) 

Downstream Products

• 15321-51-4 diiron nonacarbonyl 
• 13463-40-6 iron pentacarbonyl 
• 658063-27-5 [2,6-(CHMe₂)2-C₆H₃N=C(Me)C(Me)=N-2,6-(CHMe₂)2-C₆H₃]Fe(CO)3 

Relevant articles and documents

Low-valent α-diimine iron complexes for catalytic olefin hydrogenation

A family of low-valent α-diimine iron complexes has been synthesized and their utility in catalytic olefin hydrogenation reactions evaluated. Reduction of the ferrous dichloride complex [ArN=C(Me)C(Me)=NAr]FeCl2 (Ar = 2,6-(CHMe2)2-C6H3) with sodium amalgam in benzene or toluene furnished the iron arene complexes, [ArN=C(Me)C(Me)=NAr]Fe(η6-C6H5R) (R = H, Me). The solid-state structure of the toluene adduct revealed a contracted carbon-carbon backbone, short iron-imine bonds, and elongated imine nitrogen-carbon distances, suggesting significant reduction of the α-diimine ligand. The analogous reduction in alkane solvents afforded the bis(α-diimine) complex [ArN=C(Me)C(Me)=NAr]2Fe, which has also been crystallographically characterized. The arene complexes and the bis(a-diimine) complexes are inactive for catalytic olefin hydrogenation. Performing the reduction in the presence of internal alkynes such as diphenylacetylene and bis(trimethylsilyl)acetylene furnished the alkyne adducts [ArN=C(Me)C(Me)=NAr]Fe(η2-RC=CR) (R = Ph, SiMe3 ). Analogous olefin complexes with 1,5-cyclooctadiene and cycloctene have also been isolated using similar reduction procedures. The olefin adducts provide more active precatalysts than the alkyne compounds for the hydrogenation of 1-hexene. In each case, formation of rfarene adducts serves as a major catalyst deactivation pathway.