| abstract |
THE INVENTION RELATES TO CATALYSTS. IT CONCERNS A CONTINUOUS PROCESS FOR THE PREPARATION OF A ZEROVALENT NICKEL COMPLEX NI (L) OR L IS A NEUTRAL LIGAND P (Z) OR Z IS R OR GOLD AND R IS AN ALKYL OR ARYL GROUP, CHARACTERIZED IN THAT ONE CONTINUOUSLY PUT IN CONTACT WITH ELEMENTARY NICKEL HAVING A SPECIFIC SURFACE OF AT LEAST 800CMG, IN A REACTION MEDIUM INCLUDING, WITH RESPECT TO THE WEIGHT OF THE LIQUID, AT LEAST 50 L, AT LEAST 2 OF AN ORGANIC NITRILE AND AT LEAST 100 PPM OF CL IN THE FORM OF ORGANOCHLORIDITY, WHILE MAINTAINING THE TEMPERATURE, IN C, OF THE REACTION BETWEEN A MINIMUM OF 102-0.375 (L) AND A MAXIMUM OF 58.3 0.725 (L). USE FOR THE PREPARATION OF ADIPONITRILE FROM PENTENITRILES. |