Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
JR Geigy AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JR Geigy AGfiledCriticalJR Geigy AG
Priority to ES0217059ApriorityCriticalpatent/ES217059A1/es
Publication of ES217059A1publicationCriticalpatent/ES217059A1/es
Procedimiento para la preparación de 1-aril-5-ciclopropil-4-amino-5-pirazolonascaracterizado porque se transforma 1-aril-3-ciclopropil-5-pirazolonas de la fórmula general (II) **(Ver fórmula)** de modo conocidoen compuestos de la fórmula general (I)**(Ver fórmula)** en los cuales significan R1 hidrógeno o un radical alcohilo inferior R2 hidrógeno o un radical alcohilo inferior R3 hidrógeno o un radical alcohilo inferiory R4 hidrógeno o un radical alcohilo o alcoxi.
ES0217059A1954-08-201954-08-20PROCEDIMIENTO PARA LA PREPARACIoN DE 1-ARIL-3-CUCLOPORPIL-4-AMINO-5-PIRAZOLONAS
ExpiredES217059A1
(es)