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. 2001 Mar 2;40(5):952-954.
doi: 10.1002/1521-3773(20010302)40:5<952::AID-ANIE952>3.0.CO;2-S.

A Route to a Germanium-Carbon Triple Bond: First Chemical Evidence for a Germyne

Christine Bibal  1 , Stéphane Mazières  1 , Heinz Gornitzka  1 , Claude Couret  1
Affiliations

A Route to a Germanium-Carbon Triple Bond: First Chemical Evidence for a Germyne

Christine Bibal et al. Angew Chem Int Ed Engl. .

Abstract

Photolysis of a diazogermylene generates a germylene-carbene species, a resonance form of a germyne. Support for the intermediacy of the triply bonded form in the trapping reaction with an alcohol is provided by the fact that the diazo precursor does not behave as a germylene and that its photolysis product does not react with carbene traps such as 2,3-dimethylbutadiene. Hence, this is the first chemical evidence for a germyne. Ar=2,6-(iPr2 NCH2 )2 C6 H3 ; R=Me, tBu.

Keywords: carbenes; diazo compounds; germanium; multiple bonds; photolysis.

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