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Synthesis and Structure of Alkylzinc 3,5-Diphenylpyrazolates: Dramatic Influence of Steric and Solvent Effects

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journal contribution
posted on 17.05.2016, 11:50 by Szymon Komorski, Michał K. Leszczyński, Iwona Justyniak, Janusz Lewiński
The reaction of R2Zn (R = Et, tBu) with 3,5-diphenylpyrazole results in the formation of three structurally diverse alkylzinc pyrazolates: a novel dinuclear tetrahydrofuran solvate, an unprecedented trimeric structure, and a spiro trinuclear aggregate. Structural analysis of the resulting complexes provides a new look at the aggregation and stabilization of alkylzinc species.