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Synthesis of a Large Functional Cage Compound Based on Four Ga-Ga Single Bonds and Its Application as an Oligoacceptor: On the Way to Bio-Organogallium Hybrid Molecules

Synthesis of a Large Functional Cage Compound Based on Four Ga-Ga Single Bonds and Its Application as an Oligoacceptor: On the Way to Bio-Organogallium Hybrid Molecules

Werner Uhl, Matthias Voss, Jens Müller, Kristof Seubert

Chemistry. 2011 Jul 4;17(28):7852-7.

PMID: 21626593

Abstract:

The digallium compound R(2)Ga-GaR(2) (1; R=CH(SiMe(3))(2)) reacts with citracinic acid by the release of two equivalents of bis(trimethylsilyl)methane and the formation of a unique oligofunctional cage compound (2). Four Ga-Ga bonds in a tetrahedral arrangement are bridged by four spacer ligands that are located on the faces of the tetrahedron and bridge the gallium atoms of three different Ga-Ga bonds. Four pyridinium groups result from the shift of one of the three acidic protons of four citracinic acid molecules to the nitrogen atoms of the aromatic rings. The N-H groups are arranged in pairs and are capable of acting as chelating acceptors for the coordination of THF molecules (2(THF)(2)) or the nitrogen atoms of 1-deazapurine (3(OEt(2))(4)). In particular, the last reaction verifies the potential applicability of this relatively water- and air-resistant acceptor compound for the generation of bioorganometallic hybrid molecules.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP2117284	Bis(trimethylsilyl)methane		2117-28-4	Price

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