Spontaneous Carbene Ligand Rearrangement

Fischer obtained tetracarbonyl(diethylaminocarbyne)triphenylstannylchromium by spontaneous rearrangement of the carbene ligand within the following chromium complex [Pg.301]

Similar rearrangement occurs within halocarbene complexes in solution and even in the solid state [Pg.301]

Dibromotriphenylphosphorus(V) reacts with acyl complexes to give metal carbyne compounds. The first stage of the reaction probably involves the formation of a carbene complex containing a Ccarbene C) P bond [Pg.301]

Dark-yellow Purple-red Yellow Dark-orange 413 [Pg.303]

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