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. 2020 Feb 17;59(8):3147-3150.
doi: 10.1002/anie.201914644. Epub 2020 Jan 16.

Crystalline Boragermenes

Bin Rao  1 , Rei Kinjo  1
Affiliations

Crystalline Boragermenes

Bin Rao et al. Angew Chem Int Ed Engl. .

Abstract

Boragermene 3 featuring a double bond between the Ge and dicoordinate B atoms has been synthesized for the first time by reacting the cyclic (alkyl)(boryl)germylene-PMe3 adduct 1 with Cl2 BN(SiMe3 )2 followed by reductive dehalogenation with KC8 . Addition of a Lewis base (Me NHC) to 3 leads to the formation of the corresponding adduct 4, which shows double bond character between the Ge and tricoordinate B atoms. Compound 3 undergoes hydrogenation with H2 concomitant with a complete scission of the Ge=B bond.

Keywords: H2 activation; boron; double bonds; germanium.

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References

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