Synthesis of the first four-membered ring compound containing three tin atoms and one oxygen. The crystal structure of the species 3>

Article abstract of DOI:10.1016/0022-328X(91)86031-K

Aerial oxidation of the novel homocyclic tetratin species <3SnArBr> (1)<1> (Ar = C6H3Et2-2,6) affords the tritin heterocycle 3> (2), which has been crystallographically characterised; 2 is the first reported oxatristannacyclobut