Styrene oligomerization in the presence of Pd(acac)2+PPh3+BF3OEt2 catalytic system (acac -acetylacetonate) has been studied. Styrene conversion at optimum conditions (T = 343 K, B/Pd = 7, P/Pd = 2) was as high as 75,000 mol of Cd-I8 per tool of Pd in 7 h with a selectivity to dimers, mostly 1,3-diphenylbut-l-ene, up to 93%.
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