[Cl:1][C:2]1[O:3][C:4](C=O)=[CH:5][CH:6]=1.[NH2:9][N:10]1[CH2:14][CH2:13][NH:12][C:11]1=[O:15]>>[Cl:1][C:2]1[O:3][C:4](=[N:9][N:10]2[CH2:14][CH2:13][NH:12][C:11]2=[O:15])[CH2:5][CH:6]=12-Chlorofuran-5-aldehyde is reacted with 1-amino-2-oxo-imidazolidine as in Example 1.1. 1-(5-Chlorofurylideneamino)- 2-oxo-imidazolidine of melting point 173°-175° C. is obtained.
Wird geladen…