A rapid and high-yielding silylation of terminal alkynes employing TMSOTf and catalytic quantities of Zn(OTf)(2) has been developed. The reaction works well for a variety of substrates including reactive esters. Fifteen examples with yields of > 90% are reported.
A rapid and high-yielding silylation of terminal alkynes employing TMSOTf and catalytic quantities of Zn(OTf)(2) has been developed. The reaction works well for a variety of substrates including reactive esters. Fifteen examples with yields of > 90% are reported.
A convenient chemoselective semihydrogenation of acetylenes using homogeneous catalysis