water in tetrahydrofuran byproducts: trimethylhydroxosilane, hexamethyldisiloxane; under Ar; addn. of freshly prepd. THF soln. of PhSmI to mixt. of THF and Ph3SnSiMe3, mixing at 25°C for 3 h, decompn. of react. mixt. with water acidified with HCl; thin layer chromy.;

in tetrahydrofuran under Ar; addn. of freshly prepd. THF soln. of PhSmI to mixt. of THF and Ph3SnSnPh3, mixing at 25°C for 3 h, decompn. of react. mixt. with water acidified with HCl; thin layer chromy.;

in tetrahydrofuran under Ar; addn. of freshly prepd. THF soln. of PhSmI to mixt. of THF and Ph3SnSnPh3, mixing at 25°C for 3 h, decompn. of react. mixt. with water acidified with HCl; thin layer chromy.;