Abstract
1-(2-Pyridylamino and 2-pyrimidinylamino)naphthalene (abbreviated as Hpyn and Hpmn, respectively) and 2-(p-toluidino)quinoline (Htlq) were directly cycloaurated with Na[AuCl4] to give [AuCl2L] (L = pyn, pmn, or tlq). These complexes were characterized spectroscopically and the square planar structure of [AuCl2(pmn)] was determined by X-ray analysis. The naphthalene ring was aurated at position 2, forming a six-membered auraheterocycle with concomitant coordination of the pyrimidine-N atom. The trans influence of the carbon donor was clearly reflected in the Au–Cl bond lengths; 2.372(2) trans to C and 2.275A trans to N. Similar square planar structures were suggested for the other two complexes.
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