(1,5-CYCLOOCTADIENE)BIS(METHYLDIPHENYLPHOSPHINE)IRIDIUM(I) HEXAFLUOROPHOSPHATE
(1,5-CYCLOOCTADIENE)BIS(METHYLDIPHENYLPHOSPHINE)IRIDIUM(I) HEXAFLUOROPHOSPHATE Basic information
- Product Name:
- (1,5-CYCLOOCTADIENE)BIS(METHYLDIPHENYLPHOSPHINE)IRIDIUM(I) HEXAFLUOROPHOSPHATE
- Synonyms:
-
- (1,5-CYCLOOCTADIENE)BIS(METHYLDIPHENYLPHOSPHINE)IRIDIUM(I) HEXAFLUOROPHOSPHATE
- 1,5-Cyclooctadienebis(methyldiphenylphosphine)iridium hexafluorophosphate
- (1,5-CYCLOOCTADIENE)BIS(METHYLDIPHENYL-P HOSPHINE)IRIDIUM(I) PF6, 97%
- Iridium(1+), (1,2,5,6-.eta.)-1,5-cyclooctadienebis(methyldiphenylphosphine)-, hexafluorophosphate(1-)
- methyl(diphenyl)phosphane
- (1,5-Cyclooctadiene)bis(methyldiphenylphosphine)iridium(i)
- (bis(methyldiphenylphosphine))(cyclooctadiene)iridium PF6
- (1,5-Cyclooctadiene)bis(methyldiphenylphosphine)iridium(I) hexafluorophosphate,97%
- CAS:
- 38465-86-0
- MF:
- C34H38F6IrP3
- MW:
- 845.79
- Product Categories:
-
- Ir
- Catalysis and Inorganic Chemistry
- Chemical Synthesis
- Iridium
- Mol File:
- 38465-86-0.mol
(1,5-CYCLOOCTADIENE)BIS(METHYLDIPHENYLPHOSPHINE)IRIDIUM(I) HEXAFLUOROPHOSPHATE Chemical Properties
- 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
Safety Information
- Hazard Codes
- Xn
- Risk Statements
- 20/21/22-36/37/38
- Safety Statements
- 26-36
- WGK Germany
- 3
- HS Code
- 28439000
MSDS
- Language:English Provider:SigmaAldrich
- Language:English Provider:ACROS
- Language:English Provider:ALFA
(1,5-CYCLOOCTADIENE)BIS(METHYLDIPHENYLPHOSPHINE)IRIDIUM(I) HEXAFLUOROPHOSPHATE Usage And Synthesis
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.
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