Reversible Addition of Alkynes to Gallium Complex of Chelating Diamide Ligand
Journal of the American Chemical Society2010Vol. 132(23), pp. 7874–7875
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Abstract
Different alkynes add reversibly to the gallium complex of the dpp-Bian dianion. The reactions proceed with addition of the alkynes across the Ga-N-C fragment resulting in carbon-carbon and carbon-gallium bonds. In the case of 3 and 4 a full elimination of the alkyne takes place at T < 100 degrees C, whereas with adducts 5 and 6 it occurs at heating to ca. 200 degrees C.
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