Asymmetric isomerization of racemic α-olefins by titanium tetra-(–)-menthoxide–tri-isobutylaluminium
Abstract
The homogeneous catalytic system obtained from AlBu3i and an optically active titanium alkoxide [titanium tetra-(–)-menthoxide] effects asymmetric isomerization of racemic α-olefins into Z- and E-2-olefins, whereas no asymmetric transformation occurs in the hydrogenation.