n-butyl lithium in diethyl ether; hexane byproducts: LiCl; hexane soln. of BuLi was added dropwise with stirring to a soln. of thienylpyridine in dry ether at room temp. under N2, soln. was stirred for ca. 1 h, ether soln. of (p-ClC6H4)3SnCl was added dropwise, mixt. was refluxed for 4 h; filtered, filtrate concd., hexane was added dropwise, ppt. was collected; elem. anal.;

200-210°C;

1: Na-Sn alloy / xylene View Scheme

1: xylene View Scheme

1: tetrahydrofuran View Scheme

1: diethyl ether; benzene View Scheme