Synergic Monodeprotonation of Bis(benzene)chromium by Using Mixed Alkali Metal–Magnesium Amide Bases and Structural Characterization of the Heterotrimetallic Products
2004; Wiley; Volume: 44; Issue: 1 Linguagem: Inglês
10.1002/anie.200460637
ISSN1521-3773
AutoresEva Hevia, G.W. Honeyman, Alan R. Kennedy, Robert E. Mulvey, David C. Sherrington,
Tópico(s)Asymmetric Hydrogenation and Catalysis
ResumoMixed-metal chemical synergy is strikingly exemplified by the clean, selective deprotonation of one benzene ring of bis(benzene)chromium by bimetallic (Na/Mg or K/Mg) amide base mixtures. The bis(benzene)chromium moiety forms high-yielding crystalline trimetallic products (see picture) with the mixed bases, but it is inert towards the non-synergic, parent monometallic amides. Na/K red; Mg green; Cr light blue; N yellow; C black.
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