What is Iridium(III) acetylacetonate?

Iridium(III) acetylacetonates are coordination complexes derived from the acetylacetonate anion and metal ions, usually transition metals. The ligand acetylacetonate is often abbreviated acac. Typically both oxygen atoms bind to the metal to form a six-membered chelate ring. The simplest complexes have the formula M(acac)3 and M(acac)2. Mixed-ligand complexes, e.g. VO(acac)2, are also numerous. Variations of acetylacetonate have also been developed with myriad substituents in place of methyl. Many such complexes are soluble in organic solvents, in contrast to the related metal halides. Because of these properties, acac complexes are sometimes used as catalyst precursors and reagents. Applications include their use as NMR "shift reagents" and as catalysts for organic synthesis, and precursors to industrial hydroformylation catalysts. C5H7O2− in some cases also binds to metals through the central carbon atom; this bonding mode is more common for the third-row transition metals such as platinum(II) and iridium(III).
Iridium(III) acetylacetonate is the formula for two isomers, trans-Ir(acac)2(CH(COMe)2)(H2O) and the more conventional D3-symmetric Ir(acac)3. The C-bonded derivative is a precursor to homogeneous catalysts for C-H activation and related chemistries. Iridium(I) derivatives include square-planar Ir(acac)(CO)2 (C2v-symmetry).
Iridium Acetylacetonate is a Iridium source that is soluble in organic solvents as an organometallic compound (also known as metalorganic, organo-inorganic and metallo-organic Acetylacetonate Packaging, Lab Quantitycompounds). The high purity acetylacetonate anion complexes by bonding each oxygen atom to the metallic cation to form a chelate ring.Because of this property, Iridium Acetylacetonate is commonly used in various catalysts and catalytic reagents for organic synthesis. It is generally immediately available in most volumes.
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