variety of acidic reagents affords good yields of N-alkoxymethyl-N-alkylmethyleneiminium salts which react with trimethylsilyl enol ethers, and nucleophilic aromatic substrates to form protected secondary amines or tertiary amines by domino reactions; silyl ketene acetals afford tertiary amines only.
的治疗N,N- -双用各种酸性试剂,得到良好的产率的(烷氧基)烷基胺Ñ -alkoxymethyl- Ñ -alkylmethyleneiminium盐,其与三甲基甲
硅烷烯醇醚反应,亲核芳族底物,通过多米诺形式保护的仲胺或叔胺反应; 甲
硅烷基
乙烯酮缩醛仅提供叔胺。