methyl iodide in further solvent(s) byproducts: CsI; (Ar); standard Schlenk technique; toluene (1 equiv.), MeI (2 equiv.) and CsF (1.4 equiv.) added to soln. of tin compd. (1 equiv.) in 1-methyl-2-pyrrolidinone under CO2 at 19°C; GC and NMR monitoring; not isolated;
