Journal of Organometallic Chemistry p. 133 - 149 (1993)
Update date:2022-09-26
Topics:
Fischer, Helmut
Roth, Gerhard
Reindl, David
Troll, Carsten
Diarylallenylidene(pentacarbonyl)-chromium and -tungsten complexes, (CO)5M=C=C=CR2 (M = W (1), Cr (2)), react with amines, imines and hydrazines by addition of the nitrogen nucleophile to the Cα allenylidene atom.With NEt3 the adduct formation is reversible.With secondary and primary amines, imines and hydrazines, the initially formed N-ylide complexes react readily further to give carbene, azetidinylidene and nitrile complexes, respectively.For example the reaction of (a) 1 and 2 with HNEt2 or H2NPh gives alkenyl(amino)carbene complexes, (CO)5M=C
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