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.)
Laboratorios Frumtost Prem SA
Original Assignee
Laboratorios Frumtost Prem SA
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 Laboratorios Frumtost Prem SAfiledCriticalLaboratorios Frumtost Prem SA
Priority to ES510915ApriorityCriticalpatent/ES8303420A1/es
Publication of ES510915A0publicationCriticalpatent/ES510915A0/es
Publication of ES8303420A1publicationCriticalpatent/ES8303420A1/es
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE UN COMPUESTO QUINAZOLINICO DE FORMULA (I), QUE TIENE APLICACIONES FARMACOLOGICAS COMO ANALGESICO Y ANTIPIRETICO. CONSISTE EN LA REACCION DE CONDENSACION DEL ACIDO ANTRANILICO CON LA 3-ISOXAZOLIDINONA. LA REACCION SE LLEVA A CABO EN UN DISOLVENTE ORGANICO INERTE, EN PRESENCIA DE UN AGENTE DE DESHIDRATACION, TAL COMO OXICLORURO DE FOSFORO, ACIDO POLIFOSFORICO O DICICLOHEXILCARBODIIMIDA, A TEMPERATURAS COMPRENDIDAS ENTRE 20 C Y 80 C.
ES510915A1982-03-291982-03-29"procedimiento para la obtencion de un analgesico quinazolinico".
ExpiredES8303420A1
(es)