Frey, Guido D.; Schuetz, Jan; Herrmann, Wolfgang A. published the article 《A straight forward in situ preparation of NHC-substituted phosphapalladacycles》. Keywords: NHC phosphapalladacycle carbene complex preparation; imidazolinylidene phosphapalladacycle complex preparation.They researched the compound: trans-Di-μ-acetatobis[2-[bis(2-methylphenyl)phosphino]benzyl]dipalladium( cas:172418-32-5 ).Reference of trans-Di-μ-acetatobis[2-[bis(2-methylphenyl)phosphino]benzyl]dipalladium. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:172418-32-5) here.
A new simple technique for the preparation of NHC-substituted phosphapalladacycles, e.g. acetato(6-chloro-7,9-dimethylpurine-8-ylidene)[o-(tert-butyl-o-tolylphosphino)benzyl]palladium(II), is reported by using phosphapalladacycle acetate precursors and azolium tetrafluoroborate salts in DMSO. The one-pot synthesis avoids multi-step reactions employing free carbenes. With this technique, NHC-substituted phosphapalladacycles were thus obtained that are not accessible via the free carbene route.
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Reference:
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate