| 摘要 |
<p>Process for the production of iminopyrrolinones of the formula I (I) <IMAGE> wherein one of the two substituents R and R' represents a phenyl ring unsubstituted, or substituted by C1-C4-alkyl, C1-C4-alkoxy, C1-C4-hydroxyalkyl, C1-C4-alkylamino, (C1-C4-alkyl)2amino, halogen, nitro or cyano, whilst the other of the two substituents R and R'represents hydrogen, which process comprises reacting a chloroacetoacetanilide of the formula II Cl-CH2-CO-CH2-CO-NH-R (II) wherein R has the meaning given above, in the presence of cyanide ions, in an inert solvent in the temperature range of 0 DEG to 80 DEG C.</p> |
