Chemistry Publications

Title

Synthesis and Characterization of Cationic Low-Valent Gallium Complexes of Cryptand[2.2.2]

Document Type

Article

Publication Date

6-1-2015

Journal

Chemistry - A European Journal

Volume

21

Issue

27

First Page

9790

Last Page

9796

URL with Digital Object Identifier

10.1002/chem.201501345

Abstract

The synthesis and characterization of two bimetallic, cationic low-valent gallium-cryptand[2.2.2] complexes is reported. The reaction of cryptand[2.2.2] with Ga2Cl4 gave two different cations, [Ga3Cl4(crypt-222)]+ (1) or [Ga2Cl2(crypt-222)]2+ (2), depending on whether or not trimethylsilyl triflate (Me3SiOTf) was added as a co-reagent. Complexes 1 and 2 are the first examples of bimetallic cryptand[2.2.2] complexes, as well as the first low-valent gallium-cryptand[2.2.2] complexes. Computational methods were used to evaluate the bonding in the gallium cores.

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