Reductive Amination of 1-[3-(2- Alkylbenzofuranyl)]-2-phenylethanones. Synthesis of 1-[3- (2-Alkylbenzofuranyl)]-2-phenylethylamines
作者:Halina Kwiecién、Irena Bogdanska
DOI:10.3987/com-01-9201
日期:——
1-[3-(2-Alkylbenzofuranyl)]-2-phenylethylamines were prepared by reduction of 1-[3-(2-alkylbenzofuranyl)]-2-phenylethanone azines with amalgamated aluminum. Two isomeric azines were separated from products of reaction of 1-[3-(2-alkylbenzofuranyl)]-2-phenylethanones with hydrazine hydrate in ethanol solution. On the other hand, instead of desired amine, aziridine derivative was obtained by reduction of the mixture of (Z)- and (E)-1-[3-(2-butylbenzofuranyl)-2-(4-methoxyphenyl)]ethanone oximes with lithium aluminum hydride. The reduction of 1-[3-(2-butylbenzofuranyl)]-2-phenylethanone hydrazone with aluminium lead up to the corresponding imine.