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
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Filing date
Publication date
Application filed by JR Geigy AGfiledCriticalJR Geigy AG
Priority to ES0215313ApriorityCriticalpatent/ES215313A1/es
Publication of ES215313A1publicationCriticalpatent/ES215313A1/es
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Procedimiento para la preparación de un nuevo derivado de la 1, 2, 4-triazina, caracterizado porque se hace reaccionar ácido gamma-piridil-glioxílico o derivados funcionales, aptos pare reaccionar, del mismo , con respecto a la función carbonilo y/o la función carboxilo con tiosemicarbazida, para obtener las correspondientes tiosemicarbazonas, transformando éstas mediante medios que cierren el anillo, por ejemplo con álcalis, en la 6-(gamma-piridil)-3-mercapto-1,2,4-triazin-5(2H)-ona de la fórmula **ver fórmula**
ES0215313A1954-05-121954-05-12UN PROCEDIMIENTO PARA LA PREPARACIoN DE UN NUEVO DERIVADO DE LA 1,2,4-TRIAZINA
ExpiredES215313A1
(es)