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ChemicalBook--->CAS DataBase List--->38465-86-0

38465-86-0

38465-86-0 Structure

38465-86-0 Structure
IdentificationBack Directory
[Name]

(1,5-CYCLOOCTADIENE)BIS(METHYLDIPHENYLPHOSPHINE)IRIDIUM(I) HEXAFLUOROPHOSPHATE
[CAS]

38465-86-0
[Synonyms]

(bis(methyldiphenylphosphine))(cyclooctadiene)iridium PF6
(1,5-Cyclooctadiene)bis(methyldiphenylphosphine)iridium(i)
(1,5-CYCLOOCTADIENE)BIS(METHYLDIPHENYL-P HOSPHINE)IRIDIUM(I) PF6, 97%
1,5-Cyclooctadienebis(methyldiphenylphosphine)iridium hexafluorophosphate
(1,5-CYCLOOCTADIENE)BIS(METHYLDIPHENYLPHOSPHINE)IRIDIUM(I) HEXAFLUOROPHOSPHATE
(1,5-Cyclooctadiene)bis(methyldiphenylphosphine)iridium(Ⅰ) hexafluorophosphate
(1,5-Cyclooctadiene)bis(methyldiphenylphosphine)iridium(I) hexafluorophosphate,97%
Iridium(1+), (1,2,5,6-.eta.)-1,5-cyclooctadienebis(methyldiphenylphosphine)-, hexafluorophosphate(1-)
[Molecular Formula]

C34H38F6IrP3
[MDL Number]

MFCD00064800
[MOL File]

38465-86-0.mol
[Molecular Weight]

845.79
Chemical PropertiesBack Directory
[Appearance]

red crystalline powder
[Melting point ]

224 °C (dec.)(lit.)
[storage temp. ]

under inert gas (nitrogen or Argon) at 2-8°C
[solubility ]

sol CH2Cl2; insol diethyl ether and hexanes.
[form ]

Crystalline Powder
[color ]

Red
[Water Solubility ]

Soluble in acetone. Insoluble in water.
[Sensitive ]

Air & Moisture Sensitive
Hazard InformationBack Directory
[Chemical Properties]

red crystalline powder
[Uses]

(1,5-Cyclooctadiene)bis(methyldiphenylphosphine)iridium(I) hexafluorophosphate is an air-stable cationic iridium complex, generally employed in allyl isomerization reactions. Upon bubbling hydrogen into the solution of [Ir(cod)(PPh2Me)2]PF6, preferably in tetrahydrofuran, results in the formation of active catalyst [IrH2(solv)2(PPh2Me)2]PF6 which can be used in the isomerization of 3-(silyloxy)-1-propenylboronates to (γ-(silyloxy)allyl)boronic esters; diallyl ethers to allyl (E)-vinyl ethers and 1-alkenylboronates to corresponding 3-alkoxyallylboronates.
[Uses]

(1,5-Cyclooctadiene)bis(methyldiphenylphosphine)iridium(I) Hexafluorophosphate is used as a reagent for isomerization of allylic alcohols and ethers; hydrogenation catalyst.
[Preparation]

Preparative Methods of (1,5-Cyclooctadiene)bis(methyldiphenylphosphine)iridium(I) Hexafluorophosphate: to a suspension of [Ir(μ-Cl)(1,5-cod)]2 (0.2 g) in 10 mL of ethanol is added methyldiphenylphosphine (0.2 g) in ethanol. The mixture is stirred for ca. 10 min until the original suspension has dissolved. To this is added excess NH4PF6 in ethanol. After cooling to 0 °C the precipitate is filtered, washed with ethanol and then ether to give the title reagent (0.36 g) as red prisms[1].
[reaction suitability]

core: iridium
reagent type: catalyst
[storage]

the dry solid((1,5-Cyclooctadiene)bis(methyldiphenylphosphine)iridium(I) Hexafluorophosphate) is moderately air-stable.
[References]

1. Haines, L. M.; Singleton, E. JCS(D) 1972, 1891.
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

20/21/22-36/37/38
[Safety Statements ]

26-36
[WGK Germany ]

3
[HS Code ]

28439000
Spectrum DetailBack Directory
[Spectrum Detail]

(1,5-CYCLOOCTADIENE)BIS(METHYLDIPHENYLPHOSPHINE)IRIDIUM(I) HEXAFLUOROPHOSPHATE(38465-86-0)Raman
(1,5-CYCLOOCTADIENE)BIS(METHYLDIPHENYLPHOSPHINE)IRIDIUM(I) HEXAFLUOROPHOSPHATE(38465-86-0)FT-IR
(1,5-CYCLOOCTADIENE)BIS(METHYLDIPHENYLPHOSPHINE)IRIDIUM(I) HEXAFLUOROPHOSPHATE(38465-86-0)IR
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