Aminoalkylations of Esters, Sulfones, Sulfoxides, Alkylated Pyridines, and Nitriles with in situ Generated Iminium Ions
作者:Alan Katritzky、Krzysztof Idzik、Ashraf Abdel-Fattah、Jadwiga Soloducho、Peter Steel
DOI:10.1055/s-2006-949463
日期:2006.10
N-(α-Aminoalkyl)benzotriazoles, prepared from a variety of aldehydes and secondary amines, react with diverse ester enolates, sulfones, a sulfoxide, alkylated pyridines, and nitriles to provide novel access to β-amino carboxylic esters (55-80% yield), β-aminoalkyl sulfones (42-88% yield), β-aminoalkyl sulfoxides (20-32% yield), α- and γ-(β-aminoalkyl)pyridines (69-90% yield), and β-aminoalkyl cyanides (10-97% yield), respectively.
由各种醛和二级胺制备的N-(α-氨基烷基)苯并三唑,与多种酯烯醇盐、砜、亚砜、烷基化吡啶和腈反应,分别提供了合成β-氨基羧酸酯(产率55-80%)、β-氨基烷基砜(产率42-88%)、β-氨基烷基亚砜(产率20-32%)、α-和γ-(β-氨基烷基)吡啶(产率69-90%)以及β-氨基烷基氰化物(产率10-97%)的新途径。