Katalysator foer metatesreaktioner av olefiner, foerfarande foer framstaellning av denna samt ifraogavarande metatesreaktion

摘要

The invention relates to a catalyst for use in the metathesis reactions of olefines, characterized in that it comprises an after-treated wolfram complex, which contains diol ligands and hydrocarbon ligands, which latter are benzenes substituted with a lower alkyl group.