Lithiated N-benzylanilines were ethynylated at the ortho-position with silylchloroethyne at 120 °C in the presence of a catalytic amount of GaCl3. Trimethylsilylated N-methylaniline could also be used for this transformation.
锂化Ñ -benzylanilines均在
乙炔化邻位中的GaCl催化量的存在下与silylchloroethyne位上在120℃下3。三甲基甲
硅烷基化的
N-甲基苯胺也可以用于该转化。