Copper bis(trimethylphosphine)(tetrahydroborate), CAS No. 16903-61-0

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16903-61-0

Catalog No. EBD9136

CAS 16903-61-0

Name Copper bis(trimethylphosphine)(tetrahydroborate)

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Basic Information

Synonyms: Bis(triphenylphosphine)copper(I)tetrahydridoborate Bis-(triphenylphosphino)-cuprousborohydride Bis(triphenylphosphine)copper(i)borohydride Bis(triphenylphosphine)coppertetrahydroborate boron(-1)tetrahydrideanion copper triphenylphosphane cuprous 3-(tert-butylperoxyamino)propanoicacid Copperbis(trimethylphosphine)(tetrahydroborate)

Molecular Formula: C36H35BCuP2

Molecular Weight: 602.96

MDL Number: MFCD00013219

Categories: Synthetic Chemistry > Organometallic Reagents > Other Organometallic Reagents Synthetic Chemistry > Catalysts and Ligands > Metal-Ligand Complexes

Product Description:

Copper(I) borohydride bis(triphenylphosphine) complex, with CAS number 16903-61-0, is an organometallic compound. It is a copper(I) complex coordinated by two triphenylphosphine ligands and a borohydride anion. This complex is typically a colorless to pale yellow solid that is sensitive to air and moisture, requiring handling under inert atmosphere conditions. Its primary application is as a versatile reagent in synthetic organic chemistry. It serves as a source of both copper(I) and hydride (H⁻) ions. A key reaction is its use in the conjugate reduction (1,4-reduction) of α,β-unsaturated carbonyl compounds, such as enones, to yield the corresponding saturated carbonyls. It is also employed in other reductive transformations and as a catalyst or catalyst precursor in various cross-coupling and hydrosilylation reactions. The borohydride ligand acts as a hydride donor, while the triphenylphosphine ligands stabilize the copper center and influence its reactivity and solubility in organic solvents. Due to its air sensitivity and potential pyrophoric nature, it must be stored and used with appropriate precautions under an inert gas like nitrogen or argon.

Physical Properties

Melting Point: 164 °C (dec.)(lit.)

Boiling Point: 360 °C at 760 mmHg

Flash Point: 181.7 °C