Chromiumpentacarbonyl-Coordinated Organotin(II) Cation

The synthesis of the novel chromiumpentacarbonyl complex [2,6-(MeOCH2)2C6H3](Cl) SnCr(CO)5 (1) is reported. Compound 1 was used for the synthesis of novel chromiumpentacarbonyl coordinated organotin(II) cations [{2,6-(MeOCH2)2C6H3}SnCr(CO)5]+X− (X = OTf or CB11H12). The strongly Lewis acidic tin(II) center of the latter organotin(II) cations coordinates H2O or THF molecules yielding the corresponding organotin(II) cations [{2,6-(MeOCH2)2C6H3}(H2O)SnCr(CO)5]+ [OTf]− (2) and [{2,6-(MeOCH2)2C6H3}(H2O)SnCr(CO)5]+ [CB11H12]− (3). Compounds 1−3 were characterized by means of elemental analyses, 1H, 13C, 119Sn NMR spectroscopies, and single crystal X-ray diffraction analysis.