Abstract
The catalyst precursor trans-[RuCl 2(dppe) 2] has been synthesized by solid state reaction of RuCl 3 · 3H 2O with tetrabutylammonium chloride (TBAC) and subsequent coordination with 1,2-bis-(diphenylphosphine)ethane (dppe) in dichlromethane solution. Reaction time, yield, work up and cleanness were improved by this method when compared with classical procedures. Use of tetrabutylammonium bromide (TBAB) as catalyst has afforded a novel trans-[RuBrCl(dppe) 2] whose crystal structure was analyzed.
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