potassium hydroxide; mTPPDS; palladium dichloride T=90°C; 3 h;

in further solvent(s) LiAlH4 in tetraglyme cooled to -10°C; degassed under vac.; CH2CHSnCl3 in tetraglyme slowly added; during and after the addition, high boiling compds. removed in trap (-80°C); vinylstannane condensed in second trap (-130°C);

in not given

in not given