Jens Beckmann, Klaus Jurkschat, Nicole Pieper and Markus Schürmann
Umpolung of ring strain by intramolecular Sn–N Lewis acid–Lewis base interaction is the key for the synthesis of thefirst organoelement oxides of the type (Ph2SiOR2SnOMO)[R = (CH2)3NMe2; M = But2Sn, But2Ge, PhB] which hold potential as precursors to tertiary metal oxides.