[Rh(P(CH2CH(CH3)2)3)2][B(C6H3(CF3)2)4] in further solvent(s) byproducts: H2; (Ar), Schlenk techniques; mixing boron compd. (20 equiv.) and rhodium complex, addn. of 1,2-F2C6H4, storage for 70 h, 298 K; not isolated, NMR;

Cp2Ti in not given (Ar); B compd. added to Ti complex, reacted for 4 h; not isolated, detected by NMR;