Synthesis and structural characterization of metal halide complexes containing N,N′-di(2-methoxyphenyl)formamidine (o-HDMophF)

The reactions of N,N′-di(2-methoxyphenyl)formamidine (o-HDMophF) with transition metal halide complexes afforded CuCl2 · (o-HDMophF), (1), [CoX4][o-H2DMophF]2 (X = Cl, 2; Br, 3) and MCl2(o-HDMophF)2 (M = Cd, 4; Ni, 5; Mn, 6; Pd, 7). The neutral o-HDMophF ligands in complexes 4-6 and 7 are coordinated to the metal centers in new bidentate and monodentate fashions, respectively. The neutral o-HDMophF compound in 1 adopts the s-trans-anti-s-trans-conformation, while those in complexes 4-6 and 7 adopt the s-trans-anti-s-trans- and s-cis-anti-s-trans-conformations, respectively. The o-H2DMophF+ cations of complexes 2 and 3 adopt the s-cis-syn-anti-s-trans and s-trans-anti-anti-s-trans conformations.