in tetrahydrofuran; hexane
byproducts: Me2NCH2MgMe, LiCH2NMe2; under anaerobic conditions; n-BuLi (0.07-0.1 equiv.) in n-hexane added at -78°C to Sn compd. (1 equiv.) in n-hexane, stirred at room temp. for 15 min; MgMe2 (1 equiv.) in THF added at -78°C; stirred for30 min; warmed to room temp.; 1 d; not isolated; identified by (119)Sn NMR spectra; >95percent conversion;
1: n-butyllithium With zinc(II) chloride in tetrahydrofuran
T=20°C; 0.5 h;
2: 1-Bromonaphthalene With dichloro bis(acetonitrile) palladium(II) in toluene
T=60°C; Negishi coupling; 3 h; Further stages.;
