AMINE DERIVATIVES OF DIHYDRODIBENZO[ b,ƒ ]OXEPINES AND METHOD OF PREPARATION THEREOF
摘要:
The subject matter of the invention are dihydrodibenzo[b,f]oxepine derivatives having a general formula (1) and a method of preparation thereof, characterised by the fact that methoxynitrodibenzo[b,ƒ]oxepine having a formula (2) is mixed with a catalyst in a molar ratio of 1:4 in an organic solvent, a mixture is then heated at the boiling point of the solvent for 5 minutes, followed by adding dropwise a hydrazine monohydrate slowly to the reaction mixture and is stirred for further 30 minutes at the boiling point, the post-reaction mixture is then filtered and washed twice with ethanol, and the resulting filtrate is left at the temperature -15°C for 24 hours, followed by separation of the final product therefrom by means of filtration under reduced pressure.
AMINE DERIVATIVES OF DIHYDRODIBENZO[ b,ƒ ]OXEPINES AND METHOD OF PREPARATION THEREOF
申请人:[en]POLITECHNIKA WARSZAWSKA
公开号:WO2024162861A1
公开(公告)日:2024-08-08
The subject matter of the invention are dihydrodibenzo[b,f]oxepine derivatives having a general formula (1) and a method of preparation thereof, characterised by the fact that methoxynitrodibenzo[b,ƒ]oxepine having a formula (2) is mixed with a catalyst in a molar ratio of 1:4 in an organic solvent, a mixture is then heated at the boiling point of the solvent for 5 minutes, followed by adding dropwise a hydrazine monohydrate slowly to the reaction mixture and is stirred for further 30 minutes at the boiling point, the post-reaction mixture is then filtered and washed twice with ethanol, and the resulting filtrate is left at the temperature -15°C for 24 hours, followed by separation of the final product therefrom by means of filtration under reduced pressure.