in tetrahydrofuran; hexane byproducts: Me2PCH2MgMe, LiCH2PMe2; under anaerobic conditions; n-BuLi (0.1-0.2 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 for 30 min; warmed to room temp.; 4 d; not isolated; identified by (119)Sn NMR spectra; >95percent conversion;
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: Me2Mg*(O2C4H8)2 With iron(II) chloride in tetrahydrofuran T=0°C; 0.0833333 h; 2: adamantane monoketone (adamantanone) in tetrahydrofuran T=0°C; Further stages.;
