A Base‐Stabilized Ge–S Double Bond | Zendy

Veith Michael | Zendy; Becker Sabine | Zendy; Huch Volker | Zendy

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A Base‐Stabilized Ge–S Double Bond

Author(s) -

Veith Michael,

Becker Sabine,

Huch Volker

Publication year - 1989

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.198912371

Subject(s) - yield (engineering) , intramolecular force , monomer , chemistry , single bond , crystallography , double bond , base (topology) , bond , triple bond , oxygen , stereochemistry , materials science , polymer chemistry , group (periodic table) , organic chemistry , polymer , mathematics , mathematical analysis , metallurgy , finance , economics

The GeS bond in 1 is only 2.06 Å long , ca. 0.2 Å less than would be expected for a GeS single bond. The monomeric form of 1 is apparently stabilized by an intramolecular NGe donor bond, which in solution at higher temperatures is fluxional on the NMR time scale. The analogous oxygen compound 2 is dimeric. Compounds 1 and 2 were prepared in 98 and 60 % yield, respectively, starting with germanediyl 3 and either S 8 or O 2 .

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