Add time:08/09/2019         Source:sciencedirect.com

The reaction of dimethyltin dichloride with four substituted 1, 10- phenanthroline has been studied. The reactions of dimethyltin dichloride with 5-methyl-1,10-phenanthroline (Mephen); 5,6-dimethyl-1,10-phenanthroline (Me2phen); 5-nitro-1,10-phenanthroline (NO2phen); 5-chloro-1,10-phenanthroline (Clphen) resulted in the formation of the hexa-coordinated complexes of [SnMe2Cl2(NN)] {Mephen (1), Me2phen (2), NO2phen (3), Clphen (4)}. The resulting products have been fully characterized by elemental analysis, multinuclear (1H, 13C, 119Sn) NMR, DEPT-135, HHCOSY and HSQC NMR spectroscopy. The solid state X-ray determination of complexes [SnMe2Cl2(Mephen)] (1) and [SnMe2Cl2(Me2phen)] (2) revealed that the complexes 1 and 2 contain the hexa-coordinated tin(IV) atom in an octahedral geometry with the trans-[SnMe2] configuration. The SnN bond distances in 1–2 are 2.47–2.48 Å which are almost among the largest values.

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