The first phosphaniminocarbyne complexes [W(CNPPh3)(CO)2(Tp*)] (Tp* = tris(dimethylpyrazolyl)borate) and trans-[W(CNPPh3)Br(CO)4] arise from the reactions of the fluorocarbyne [W(CF)(CO)2(Tp*)] with Me3SiNPPh3 and of Na[W(CN)(CO)5] with Ph3PBr2. Th... ...