Synthesis and Study of Complexes of 3,4-Bis(diphenylphosphinyl)-2,5-dimethylhexa-2,4-diene with Mn(II) Salts

The coordination properties of 3,4-bis(diphenylphosphinyl)-2,5-dimethylhexa-2,4-diene (L2) were studied in relation to manganese(II) chloride and perchlorate complexes. Manganese(II) chloride forms 1 : 1 complex with bis-phosphine oxide L2, while the composition of the manganese(II) perchlorate complex is 2 : 1. The crystal structures of bis-phosphine oxide L2 complexes with manganese dichloride (CCDC no. 2165179) and manganese perchlorate (CCDC no. 2165180) were determined by X-ray diffraction.