Abstract:
THE TELOMERIZATION OF ETHYLENE IN THE PRESENCE OF DIAND TRI-HALO ACETIC ACID AND ESTERS THEREOF IS CATALYZED BY A PALLADIUM CYANIDE CONTAINING CATALYST TO PRODUCE CHLORINATED LONG-CHAIN FATTY ACIDS. THESE FATTY ACIDS ARE USEFUL FOR SOAP OR DETERGENT PREPARATIONS OR CAN BE DEHYDROCHLORINATED TO PREPARE UNSATURATED LONG-CHAIN FATTY ACIDS. IN A TYPICAL REACTION, ETHYLENE IS CONTACTED WITH CHLOROACETIC ACID AND PALLADIUM CYANIDE UNDER LIQUID PHASE CONDITIONS TO PREPARE DICHLORO FATTY ACIDS.
Abstract:
Substituted pyridines are prepared by reacting an ethylenically unsaturated hydrocarbon, carbon monoxide, hydrogen and ammonia in a liquid medium containing a Group VIII noble metal catalyst in complex association with a biphyllic ligand at a temperature of 50* to 400* C. and a pressure of 5 to 300 atmospheres. A typical process comprises contacting ethylene, carbon monoxide and hydrogen with a liquid reaction medium containing ammonium hydroxide, rhodium trichloride and triphenylphosphine to produce 3,5-dimethyl, 2-ethyl pyridine.