VERFAHREN ZUR HERSTELLUNG VON 1-(MONO-O-SUBSTITUIERTEN-BENZOYL)-3-(SUBSTITUIERTEN-PYRAZINYL)-HARNSTOFFEN

The ureas have the general formula: wherein R, A and B are various substituents, or B may be H. Some of the compounds are novel and others are prepared by a novel process involving the reaction of a benzamide with an alkyl lithium, a phenyl chloroformate and an amine.

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Bibliographische Detailangaben
Hauptverfasser: ABDULLA,RIAZ F.,US, MIESEL,JOHN L.,US, TERANDO,NORMAN H.,US
Format: Patent
Sprache:ger
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Beschreibung
Zusammenfassung:The ureas have the general formula: wherein R, A and B are various substituents, or B may be H. Some of the compounds are novel and others are prepared by a novel process involving the reaction of a benzamide with an alkyl lithium, a phenyl chloroformate and an amine.