Sodium Trimethylethynylaluminate, a New Chemoselective Ethynylating Agent

摘要

Sodium trimethylethynylaluminate (STEA) is a good alternative ethynylating agent which exhibits good chemoselectivity in the presence of other functional groups such as halide, epoxide, ester, amide, and nitrile and excellent regioselectivity in the reactions with α,β-unsaturated carbonyl compounds.