1,2-Bis(organostannyl)ethanes as powerful bidentate Lewis acids. Crystal structures of (Ph2ClSnCH2)2*(Me2N)2PO and

Article abstract of DOI:10.1016/0022-328X(90)85373-7

The synthesis of bis(organostannyl)ethanes of the types (Ph2XSnCH2)2 (1, X = Ph; 2, X = Cl; 3, X = Br; 4, X = I) and (PhX2SnCH2)2 (5, X = Br, 6, X = I) is described.The compounds have been investigated by means of 1H, 13C and 119Sn NMR spectroscopy. 2 rea