Tetrakis(Triphenylphosphine)Palladium
| Identification | ||
| Name |
|
Tetrakis(triphenylphosphine)palladium |
| Synonyms |
|
Palladium-tetrakis(triphenylphosphine) (Pd(PPh3)4;
Pd(PPh3)4;
Palladium-tetrakis(triphenylphosphine) |
|
|
||
| Molecular Structure |
|
 |
|
|
||
| Molecular Formula |
|
C72H60P4Pd |
| Molecular Weight |
|
1155.58 |
| CAS Registry Number |
|
14221-01-3 |
| EINECS |
|
238-086-9 |
| Properties | ||
| Melting point |
|
103-107 ºC |
| Water solubility |
|
insoluble |
| Appearance |
|
Yellow powder |
|
Pd content |
|
9.2% |
| Safety Data | ||
| Safety Description |
|
S22;S24/25 |
|
Risk Codes |
|
20/22-40-36/37/38 |
|
Safety Description |
|
22-24/25-36/37-37/39-26 |
Tetrakis(triphenylphosphine)palladium uses:
Special catalyst for the synthesis of medicines and pesticides (methylamino abamectin benzoate). It is widely used in important isomerization reactions as a catalyst for lateral coupling reaction.
Tetrakis(triphenylphosphine)palladium Hydrosilation, isomerization, carbonylation, oxidation, C-C bond formation and other reactions. Used for coupling reaction, Heck reaction, Sonogashira reaction, Stille reaction, Suzuki reaction.
Catalyst for Negishi coupling, Suzuki coupling, Stille coupling and Sonogashira coupling reaction; Buchwald-Hartwig amination reaction catalyst; vinyl iodide carbonylation reaction catalyst; aryl bromide reduction reaction catalyst; carbon-tin bond formation reaction catalyst .
As a catalyst, used in coupling reactions such as Suzuki, Kumada, Negishi, etc.
Physicochemical properties
Yellow crystal, soluble in benzene and toluene, insoluble in ether and alcohol, sensitive to air, and stored in cold storage away from light.
Tetra (triphenylphosphine) palladium, as an important transition metal catalyst, can be used to catalyze coupling, oxidation, reduction, elimination, rearrangement, isomerization and other reactions.
Its catalytic efficiency is very high, and it can catalyze many reactions that are difficult to occur under the action of similar catalysts.
Tetra (triphenylphosphine) palladium is sensitive to light and air, so it needs to be stored in an inert gas away from light. When using this reagent, it can be operated in air for a short time, but it is better to operate in vacuum equipment under the protection of nitrogen or argon.
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