Synthesis and reactions of the tungsten nonheteroatom-stabilised carbene anion -

Article abstract of DOI:10.1016/0022-328X(89)87365-6

Treatment of CpW(SnPh3)(CO)2(=CHPh) with I2 gives the nonheteroatom-stabilised carbene complex (CpWI(CO)2(=CHPh), whose reduction by NaC10H8 gives the nonheteroatom stabilised carbene anion ^-, the first member of a new class of