| abstract |
The present invention provides a process for preparing an aziridine-1-carboxamide of formula (I) from an aziridine of formula (II) and an isocyanate of formula R 5 —N═C═O, wherein R 1 , R 2 , R 3 , R 4 and R 5 are as defined herein. Furthermore, the present invention also provides a method for producing 4-imino-1,3-diazabicyclo [3.1.0] -hexane-2-one of formula (a) from an aziridine-1-carboxamide of formula (I) To do. |