In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Comprehensive kinetic screening of palladium catalysts for Heck reactions, published in 2006-11-03, which mentions a compound: 172418-32-5, mainly applied to comprehensive kinetic screening palladium catalyst Heck reaction, Electric Literature of C46H46O4P2Pd2.
Comprehensive kinetic screening of Pd catalysts for Heck reactions via a consecutive pulse reaction methodol. allows a more informed choice of catalyst for a particular transformation, taking into account not only initial reactivity but also long-term catalyst stability. Competitive reactions also offer mechanistic information. The resting state and rate-limiting step within the catalytic cycle are found to be the same for phospha- and azapallada-cycles and ligandless Pd(OAc)2 but different for the zero valent complex Pd[P(t-Bu)3]2.
The article 《Comprehensive kinetic screening of palladium catalysts for Heck reactions》 also mentions many details about this compound(172418-32-5)Electric Literature of C46H46O4P2Pd2, you can pay attention to it, because details determine success or failure
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