Abstract

Donor-Stabilized Silylenes The chemistry of donor-stabilized silylenes has developed into one of the most actively studied research areas in molecular silicon chemistry. In their Full Paper on page 296 ff., R. Tacke et al report on the synthesis and characterization of novel transition-metal silylene complexes of FeBr2, CoBr2, NiBr2, ZnBr2, and ZnCl2 with the bis(guanidinato)silicon(II) complex [iPrNC(NiPr2)NiPr]2Si. These compounds represent very rare examples of carbonyl-free silylene complexes of 3d transition metals in the formal oxidation state +2.

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