Palladium precursor technology 

Johnson Matthey offers a selection of essential Pd catalyst precursor products for cross coupling applications. Cross coupling catalysts are commonly generated in-situ through the combination of a palladium precursor complex with a ligand under suitable process conditions that lead to catalyst formation and activation.  
 

Advantages of JM palladium precursors 

Subtle differences in the purity, speciation and stability of Pd precursors from various commercial sources can have a significant negative impact on catalytic activity and efficiency. At JM, we leverage our global expertise in catalyst design and manufacturing to ensure consistent and reliable palladium precursor quality regardless of scale.  

Palladium(0) precursors 

Pd(dba)2
Product number: Pd-93
CAS number: 32005-36-0
Mol weight: 575.02
Reaction type: in-situ catalyst generation
Pd2(dba)3
Product number: Pd-94
CAS number: 51364-51-3
Mol weight: 915.73
Reaction type: in-situ catalyst generation
Pd(PPh3)4
Product number: Pd-101
CAS number: 14221-01-3
Mol weight: 180.0
Reaction type: sonogashira coupling, heck coupling
Pd[P(tBu)3]2
Product number: Pd-116
CAS number: 53199-31-8
Mol weight: 511.06
Reaction type: suzuki coupling, heck coupling, negishi coupling

Palladium(II) precursors

Pd(Cl)2 (PhCN)2
Product number: Pd-61
CAS number: 14220-64-5
Mol weight: 383.57
Reaction type: precursor
Pd(Cl)2 (MeCN)2
Product number: Pd-62
CAS number: 14592-56-4
Mol weight: 259.43
Reaction type: precursor
[Pd(CH3CN)4](BF4)2
Product number: Pd-63
CAS number: 21797-13-7
Mol weight: 444.24
Reaction type: precursor
Pd(acac)2
Product number: Pd-70
CAS number: 14024-61-4
Mol weight: 304.64
Reaction type: precursor
PdCl2(cod)
Product number: Pd-90
CAS number: 12107-56-1
Mol weight: 285.5
Reaction type: precursor
[PdCl (allyl)]2
Product number: Pd-110
CAS number: 12012-95-2
Mol weight: 365.89
Reaction type: precursor
[Pd(OAc)2]3
Product number: Pd-111
CAS number: 3375-31-3
Mol weight: 224.51
Reaction type: precursor
PdBr2 (cod)
Product number: Pd-142
CAS number: 12145-47-0
Mol weight: 374.41
Reaction type: precursor
Pd(OPiv)2
Product number: Pd-159
CAS number: 106224-36-6
Mol weight: 308.67
Reaction type: precursor
[Pd(crotyl) Cl]2
Product number: Pd-164
CAS number: 12081-22-0
Mol weight: 393.94
Reaction type: precursor

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References:
    1. Organometallics, 2012, 31, 2302−230. 
    2. Org. Lett. 2015, 17, 5472–5475 
    3. Chem. Eur. J. 2016, 22, 7686 
    4. Org. Process Res. Dev. 2019, 23, 1462