[(≡SiO)Ta(V)Cl2Me2]: a well-defined silica-supported tantalum(V) surface complex as catalyst precursor for the selective cocatalyst-free trimerization of ethylene
Angew Chem Int Ed Engl. 2012 Nov 19;51(47):11886-9.
doi: 10.1002/anie.201206272.
Epub 2012 Oct 22.