Scheme 4.
Syntheses of doubly base‐ and acid‐stabilized digermynes (ArNiPr2Ge(IMe4))2 (4) and (ArNiPr2Ge{W(CO)5})2 (5). In the case of 4, removal of the carbene ligands by reaction with BPh3 regenerates tetrameric 2.
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