Abstract
1,4-Diaryl-1,3-butadiynes react with cyclic amines, such as pyrrolidine, piperidine, and morpholine in the presence of a catalytic amount of CuCl to afford amino-substituted naphthalene derivatives with good to high yields. The new catalytic procedure provides an atom-economic, one-pot synthetic method for the synthesis of naphthalene derivatives from easily available 1,4-diaryl-1,3-butadiynes.
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