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Formation and Properties of a Bicyclic Silylated Digermene
Author(s) -
Hlina Johann,
Baumgartner Judith,
Marschner Christoph,
Albers Lena,
Müller Thomas,
Jouikov Viatcheslav V.
Publication year - 2014
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201402785
Subject(s) - bicyclic molecule , adduct , chemistry , base (topology) , electrochemistry , ion , spectroscopy , medicinal chemistry , photochemistry , polymer chemistry , organic chemistry , physics , electrode , mathematical analysis , mathematics , quantum mechanics
In the presence of PMe 3 or N‐heterocyclic carbenes, the reaction of oligosilanylene dianions with GeCl 2 ⋅dioxane gives germylene–base adducts. After base abstraction, the free germylenes can dimerize by formation of a digermene. An electrochemical and theoretical study of a bicyclic tetrasilylated digermene revealed formation of a comparably stable radical anion and a more reactive radical cation, which were characterized further by UV/Vis and ESR spectroscopy.