Synthesis and Characterization of an Amidinate-Stabilized Bisgermylene Oxide and Sulfide

The synthesis and characterization of the amidinate-stabilized bisgermylene oxide and sulfide [L 2 Ge−E−GeL 2 ] (E = O ( 2 ), S ( 3 ); L 2 = Bu t C(NAr) 2, Ar = 2,6-Pr i 2 C 6 H 3 ) are described. Compound 2 was prepared by the reaction of two equivalents of [L 2 GeCl] ( 1 ) with Me 3 NO and two equivalents of KC 8 in THF. It is proposed that the reaction proceeds through an [L 2 Ge I ] intermediate, which then reacts with Me 3 NO to form 2 . Similarly, the reaction of two equivalents of 1 with elemental sulfur and two equivalents of KC 8 in THF afforded 3 . Compounds 2 and 3 have been characterized by NMR spectroscopy and X-ray crystallography.