A NEW SYNTHETIC METHOD FOR PREPARATION OF 1,3,4,5-TETRAHYDRO-2<i>H</i>-1-BENZAZEPIN-2-ONE DERIVATIVES
作者:Yoshihiko Ito、Kazuhiro Kobayashi、Masayuki Maeno、Takeo Saegusa
DOI:10.1246/cl.1980.487
日期:1980.5.5
A 1,4-addition reaction of o-lithiomethylphenyl isocyanide to α,β -unsaturated carboxylic acid esters gives, after acid hydrolysis, γ -(o-aminophenyl)butyric acid esters, which are heated at 180°C to afford 1,3,4,5-tetrahydro-2H-1-benzazepin-2-one derivatives.
邻-硫代甲基苯基异氰化物与 α,β-不饱和羧酸酯的 1,4-加成反应,酸水解后生成 γ-(邻氨基苯基)丁酸酯,在 180°C 下加热生成 1,3 ,4,5-四氢-2H-1-benzazepin-2-one 衍生物。