2,6-Diphenylphenyl-Based Organometallic Compounds of Gallium
Citations Over TimeTop 18% of 1998 papers
Abstract
(2,6-Diphenylphenyl)lithium−bis(diethyl ether), Ph2C6H3Li·2Et2O (I), was synthesized by reaction of n-butyllithium with 2,6-diphenyl-1-iodobenzene in diethyl ether. Reaction of I with group 13 metal halides, MX3 (M = Ga, X = Cl, I; M = In, X = Cl), affords bis(2,6-diphenylphenyl)gallium iodide, (Ph2C6H3)2GaI (II), bis(2,6-diphenylphenyl)indium chloride, (Ph2C6H3)2InCl (III), and bis(diethyl ether)lithium trichloro-2,6-diphenylphenylgallate, [Li·2Et2O][Ph2C6H3GaCl3] (IV). Reaction of (2,4,6-triphenylphenyl)lithium with GaCl3 gives (diethyl ether)lithium trichloro(2,4,6-triphenylphenyl)gallate, [Li·Et2O][Ph3C6H2GaCl3] (V). The group 13 metal aryls were characterized by 1H and 13C NMR spectroscopy, elemental analyses, and single-crystal X-ray diffraction. The neutral lithium aryl (I) and arylgallium halide species (II) exhibit trigonal-planar coordination, while the coordination of the gallium atoms in anions IV and V assume distorted-tetrahedral conformations.
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