The synthesis of Me 2 Sn(CH 2 CH 2 CH 2 ) 2 NMe and MeSn(CH 2 CH 2 CH 2 ) 3 N is reported. The transannular SnN interaction is confirmed by 1 H, 13 C and 119 Sn NMR spectroscopy. ... C13 Journal of Organometallic Chemistry, 272 (1984) C1316 Eisevier Sequoia SA, Lausanne Printed in The Netherlands Preliminary communication 1-AZA-5.STANNA-5,5- DIMETHYLBICYCLO[3.3.01'5 ] OCTAN UND 1-AZA-5-STANNA-5-METHYLTRICYCL013. ...