Metalloxane des Siliciums und Germaniums mit dem 2‐(Dimethylaminomethyl)ferrocenyl‐Liganden (FcN): Darstellung und Molekülstrukturen von (FcN)4M4O4(OH)4(M = Si,Ge), (FcN)6Ge6O8(OH)2 und von (FcN)2Si(OH)2

Metalloxanes of Silicon and Germanium with the 2‐(Dimethylaminomethyl)‐ferrocenyl Ligand (FcN): Synthesis and Molecular Structures of (FcN)₄M₄O₄(OH)₄(M = Si, Ge), (FcN)₆Ge₆O₈(OH)₂ and of (FcN)₂Si(OH)₂ (FcN)₄M₄O₄(OH)₄ · H₂O FcN = 2‐(dimethylaminomethyl)ferrocenyl, M = Si ( 2 ) und Ge ( 3 )] are prepared by hydrolysis of FcNSiCl₃ or FcNGeCl₃ ( 1 ) in Et₂O in the presence of (NH₄)₂CO₃. The tricyclic compound (FcN)₆Ge₆O₈(OH)₂ ( 4 ) is formed after treatment of the hydrolysis solution of FcNGeCl₃ with CaH₂. (FcN)₂Si(OH)₂ ( 5 ) was sythesized by hydrolysis of (FcN)₂SiCl₂ under similar conditions. Compounds 1 — 5 are obtained as yellow orange crystals, the molecular structures of 1 — 5 were determinated by X‐ray diffraction. 2 and 3 are 8‐membered Si‐O/Ge‐O cycles with one OH and one FcN‐ligand on each Si or Ge atom, respectively. Compound 4 represents a stair‐like tricyclic Ge‐O structure whereas 5 is a discrete Silanediol. 2 — 5 show O‐H···N hydrogene bridges of the OH groups to the nitrogen atoms of the FcN substituents.