An organogallium subfluoride and subhydroxide: three Ga–Ga bonds in single molecules?

Chemical Communications Pub Date: 2009-10-02 DOI: 10.1039/B914513C

Abstract

Treatment of the digallium compound R2Ga–GaR21 [R = CH(SiMe3)2] with hydrogen fluoride or water in the presence of 2-aminonicotinic acid afforded the corresponding fluoride or hydroxide, R(X)Ga–Ga(X)R (X = F, OH), by substituent exchange and retainment of the Ga–Ga bonds. Both compounds form trimeric formula units in which three Ga–Ga bonds in a parallel orientation are bridged by six fluoro or hydroxo ligands.

Graphical abstract: An organogallium subfluoride and subhydroxide: three Ga–Ga bonds in single molecules
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