What question did this study set out to answer?

To explore the formation of molecular bimetallic clusters by selectively deprotecting Ga-TMP ligands.

April 14, 2026Angewandte Chemie International Edition0 citations

Inside Back Cover: Molecular Mimics of Intermetallic Phases: Selective Alkylamide‐Ligand Deprotection Drives Co/Ga Cluster Formation

FNFabrizio E. NapoliTechnical University of Munich RBRaphael BühlerCentre National de la Recherche Scientifique JSJohannes StephanTechnical University of Munich

Key Points

To explore the formation of molecular bimetallic clusters by selectively deprotecting Ga-TMP ligands.
Synthesis of [Co3Ga2]H(GaTMP)9 using H2 and Mg for selective deprotection.
Characterization of the alloyed structure to mimic the intermetallic phase Co2Al5.
Initial attempts to apply the method to generate Fe/Ga clusters.
Successful formation of the Co/Ga cluster mimicking Co2Al5 structure.
Generalization of the method showed promise for creating Fe/Ga clusters.

Abstract

In the Communication (e23687), Roland A. Fischer and co-workers reported the molecular bimetallic cluster Co3Ga2H(GaTMP)9. The compound was obtained by an approach using H2 and Mg to selectively deprotect and capture Ga-TMP metallo-ligands, leading to a kernel-alloyed Co/Ga cluster. The structure of this alloyed cluster mimics a packing motif of the structurally related intermetallic phase Co2Al5. In an attempt to generalize this method, first results towards Fe/Ga clusters were reported.

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