A practical convenient homogeneous palladium-phosphine catalysis for hydrocarbonylation of chlorobenzenes

Displacement of weakly coordinating anio

Displacement of weakly coordinating anions from zirconocene alkyl cations by trialkyl phosphines: A model for olefin coordination in homogeneous Ziegler–Natta catalysis

✍ Stefan Beck; Marc-Heinrich Prosenc; Hans-Herbert Brintzinger 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 366 KB

¨¨Ä bstract Ž . y wŽ . Ž . q Ž . Displacement of the anion H C-B C F from the zirconocene contact-ion pair C H Zr CH PPP m-H C -3 6 53 5 52 3 3 Ž . y x B C F by a series of phosphines and formation of a bisphosphine complex by uptake of a second phosphine ligand have 6 5 3 been studied by NMR method