This invention relates to a process for preparing useful antiarrhythmic 1,3-diazabicyclo[4.4.0]dec-2-en-4-ones from 1-acyl-.alpha.-[2-[bis(1-methylethyl)amino]ethyl]-.alpha.-phenyl-2-piperid ineacetamides. This invention also relates to the 1-acyl-.alpha.-[2-[bis(1-methylethyl)amino]ethyl]-.alpha.-phenyl-2-piperid ineacetamides employed in this process.
本发明涉及一种从1-酰基-.alpha.-[2-[双(1-甲基乙基)
氨基]乙基]-.alpha.-苯基-2-
哌啶乙酰胺制备有用的抗心律失常1,3-二
氮杂双环[4.4.0]癸-2-烯-4-酮的方法。本发明还涉及在该方法中使用的1-酰基-.alpha.-[2-[双(1-甲基乙基)
氨基]乙基]-.alpha.-苯基-2-
哌啶乙酰胺。