Encyclopedia of Reagents for Organic Synthesis 2022
DOI: 10.1002/047084289x.rn01103.pub2
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Di‐μ‐Bromobis(tri‐ t ‐Butylphosphino)Dipalladium(I)

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“…Any method that relies on Pd­(dba) x can potentially suffer from the known batch-to-batch inconsistency of Pd­(dba) x . , Although Pd 2 (dba) 3 ·CHCl 3 is the purest form of Pd­(dba) x , CHCl 3 can interact with electron-rich ligands such as t Bu 3 P and adversely affect the catalytic activity . Besides, the process to produce Pd 2 (dba) 3 ·CHCl 3 on large scale (beyond gram scale) is not trivial based on our extensive experience in this area. , It is worth noting that there are recent synthetically useful alternatives to Pd­(dba) x for the synthesis of Pd(0) precatalysts, such as the use of methylnaphthyl palladium dimers developed by Gooßen . Unfortunately, these dimers were made in varying yields (41–83%) and utilize 1,3-divinyl-1,1,3,3-tetramethyldisiloxanepalladium as a starting material which is difficult to synthesize .…”
Section: Introductionmentioning
confidence: 99%
“…Any method that relies on Pd­(dba) x can potentially suffer from the known batch-to-batch inconsistency of Pd­(dba) x . , Although Pd 2 (dba) 3 ·CHCl 3 is the purest form of Pd­(dba) x , CHCl 3 can interact with electron-rich ligands such as t Bu 3 P and adversely affect the catalytic activity . Besides, the process to produce Pd 2 (dba) 3 ·CHCl 3 on large scale (beyond gram scale) is not trivial based on our extensive experience in this area. , It is worth noting that there are recent synthetically useful alternatives to Pd­(dba) x for the synthesis of Pd(0) precatalysts, such as the use of methylnaphthyl palladium dimers developed by Gooßen . Unfortunately, these dimers were made in varying yields (41–83%) and utilize 1,3-divinyl-1,1,3,3-tetramethyldisiloxanepalladium as a starting material which is difficult to synthesize .…”
Section: Introductionmentioning
confidence: 99%