| 摘要 |
PROCESS FOR THE PREPARATION OF AN ALDEHYDE THROUGH HYDROFORMYLATION OF AN UNSATURATED ORGANIC COMPOUND IN THE PRESENCE OF A CATALYST SYSTEM COMPRISING RHODIUM OR IRIDIUM AND A MULTIDENTATE ORGANIC PHOSPHITE LIGAND, WHEREIN A MONODENTATE PHOSPHINE IS PRESENT.THE PROCESS ACCORDING TO THE INVENTION CAN ADVANTAGEOUSLY BE CARRIED OUT FOR THE PREPARATION OF METHYL-5-FORMYLVALERATE, WHICH IS AN INTERMEDIATE PRODUCT IN THE PREPARATION OF -CAPROLACTAM OR ADIPIC ACID, WHICH ARE IN TURN RAW MATERIALS FOR THE PREPARATION OF NYLON-6 AND NYLON-6, 6, RESPECTIVELY.FIG 1 |
