The first organoelement oxides containing three different metals;: synthesis and structure of (Ph2SiOR2SnOMO) [R = (CH2)3NMe2; M = Bu2tSn, Bu2tGe, PhB]
Umpolung of ring strain by intramolecular Sn-N Lewis acid-Lewis base interaction is the key for the synthesis of the first organoelement oxides of the type (Ph2SiOR2SnOMO) [R = (CH2)(3)NMe2; M = (Bu2Sn)-Sn-t, (Bu2Ge)-Ge-t, PhB] which hold potential as precursors to tertiary metal oxides.