Preparation and structure of lithium bis[cis-ethene-1,2-di((t)butylamido)]gallate(III) tetrahydrofuran

Schmidt ES, Mitzel NW, Schmidbaur H (2001)
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES 56(9): 937-939.

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Abstract
The dilithium diamide reagent obtained from N,N ' -di((t)butyl)-1,4-diazabutadiene and two equivalents of lithium metal reacts with anhydrous gallium trichloride in tetrahydrofuran / hexane, followed by treatment with metallic potassium, to give the title compound in about 40% yield. Cyclic imides of gallium(III) and gallium(II) are by-products of this process. The structure of Li{[cis-C2H2((NBu)-Bu-t)(2)](2)Ga} has been determined from single crystals containing one mole equivalent of tetrahydrofuran. The gallium atom is chelated by two diamide ligands. One of the five-membered chelate rings is planar while the second one is folded at its nitrogen atoms. The lithium atom is eta (4)-coordinated to the 1,4-diazabutene(2) unit of this ring and further to the oxygen atom of the solvent molecule.
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Schmidt ES, Mitzel NW, Schmidbaur H. Preparation and structure of lithium bis[cis-ethene-1,2-di((t)butylamido)]gallate(III) tetrahydrofuran. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES. 2001;56(9):937-939.
Schmidt, E. S., Mitzel, N. W., & Schmidbaur, H. (2001). Preparation and structure of lithium bis[cis-ethene-1,2-di((t)butylamido)]gallate(III) tetrahydrofuran. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES, 56(9), 937-939.
Schmidt, E. S., Mitzel, N. W., and Schmidbaur, H. (2001). Preparation and structure of lithium bis[cis-ethene-1,2-di((t)butylamido)]gallate(III) tetrahydrofuran. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES 56, 937-939.
Schmidt, E.S., Mitzel, N.W., & Schmidbaur, H., 2001. Preparation and structure of lithium bis[cis-ethene-1,2-di((t)butylamido)]gallate(III) tetrahydrofuran. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES, 56(9), p 937-939.
E.S. Schmidt, N.W. Mitzel, and H. Schmidbaur, “Preparation and structure of lithium bis[cis-ethene-1,2-di((t)butylamido)]gallate(III) tetrahydrofuran”, ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES, vol. 56, 2001, pp. 937-939.
Schmidt, E.S., Mitzel, N.W., Schmidbaur, H.: Preparation and structure of lithium bis[cis-ethene-1,2-di((t)butylamido)]gallate(III) tetrahydrofuran. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES. 56, 937-939 (2001).
Schmidt, ES, Mitzel, Norbert W., and Schmidbaur, H. “Preparation and structure of lithium bis[cis-ethene-1,2-di((t)butylamido)]gallate(III) tetrahydrofuran”. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES 56.9 (2001): 937-939.
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