PROCESS FOR THE PREPARATION OF A NICKEL/PHOSPHOROUS LIGAND CATALYST FOR OLEFIN HYDROCYANATION

摘要

A PROCESS FOR PREPARING A HYDROCYANATION CATALYST COMPRISING CONTACTING A BIDENTATE PHOSPHOROUS-CONTAINING LIGAND WITH NICKEL CHLORIDE IN THE PRESENCE OF A NITRILE SOLVENT AND A REDUCING METAL WHICH IS MORE ELECTROPOSITIVE THAN NICKEL THE CHLORIDE BEING INTRODUCED AS AN AQUEOUS SOLUTION AND THE WATER BEING REMOVED CONCURRENTLY WITH THE REDUCTION REACTION BY AZEOTROPIC DISTILLATION.