A process for reducing 2-(11H-dibenz|b,e|azepin-6-ylmethyl)-1H-isoindole-1,3(2H)-dione to 2-(6,11-dihydro-5H-dibenz|b,e|azepin-6yl-methyl)-1H-isoindole-1,3(2H)-dione is disclosed, which comprises carrying out the reduction, in an organic solvent, in the presence of a metallic catalyst and of formic acid and/or at least one pharmaceutically acceptable salt thereof; the process is safe and allows to obtain a nearly quantitative conversion without the need of a high pressure.
本发明公开了一种将 2-(11H-二苯并|b,e|氮杂卓-6-基甲基)-
1H-异吲哚-1,3(2H)-二酮还原为 2-(6,11-二氢-5H-二苯并|b,e|氮杂卓-6-基甲基)-
1H-异吲哚-1,3(2H)-二酮的工艺,该工艺包括在有机溶剂中,在
金属催化剂和
甲酸和/或至少一种药学上可接受的
甲酸盐存在下进行还原;该工艺安全可靠,无需高压即可实现接近定量的转化。