PALLADIUM-CATALYZED TELOMERIZATION OF BUTADIENE WITH WATER IN A 2 PHASE SYSTEM - DRASTIC EFFECT OF THE AMINE STRUCTURE ON THE RATE AND SELECTIVITY

Telomerization of butadiene with water in the presence of carbon dioxi de and a trialkylamine using a palladium-hydrosoluble phosphine system was investigated. 2,7-Octadien-1-ol was obtained as the main product, whilst 1,7-octadien-3-ol, octatrienes, 4-vinylcyclohexene and dioctad ienyl ethers were formed as side products. The reaction was carried ou t exclusively in an aqueous-organic medium in the absence of solvent o r co-solvent. The conversion and the selectivity are strongly dependen t on the structure of trialkylamine. The role of the amine was discuss ed.