Process for oligomerizing C.sub.3 and higher olefins using zirco

Details Process for oligomerizing C.sub.3 and higher olefins using zirco Process for oligomerizing C.sub.3 and higher olefins using zirco

1991-03-12

1995-09-12

Achutamurthy, P.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By addition of entire unsaturated molecules, e.g.,...

585512, C07C 226

Patent

active

054498503

ABSTRACT:
C.sub.3 and higher olefins are oligomerized using a two component catalyst system comprising (a) a soluble adduct of zirconium tetrahalide, the halogen being Br or Cl, with an organic compound selected from the group of esters, ketones, ethers, amines, nitriles, anhydrides, acid chlorides, amides or aldehydes, the organic compound having up to about 30 carbon atoms and (b) an alkyl metal selected from the group R.sub.2 AlX, RAlX.sub.2, R.sub.3 Al.sub.2 X.sub.3, R.sub.3 Al and R.sub.2 Zn where R is C.sub.1 -C.sub.20 alkyl and X is Cl or Br. ZrCl.sub.4 adducts with organic acetates are the preferred embodiments. Dimers, trimers and tetramers are selectively prepared in the process.

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