| 摘要 |
<p>1. Process for the manufacture of imidazolidine derivatives of the general formula see diagramm : EP0017976,P9,F1 wherein X represents imino or oxygen and R represents one of the groups see diagramm : EP0017976,P9,F2 characterized by reacting a compound of the general formula R-NH-R**4 with a compound of the general formula see diagramm : EP0017976,P9,F3 whereby in formulae II and III the one R**4 signifies hydrogen and the other R**4 signifies a COOR**5 group, wherein R**5 represents optionally substituted phenyl, and R signifies the same as above, to a compound of the general formula see diagramm : EP0017976,P9,F4 wherein R signifies the same as above, and, if desired, hydrolyzing the latter compound to a hydantoin compound of the general formula see diagramm : EP0017976,P9,F5 wherein R signifies the same as above.</p> |
