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.)
Noucor Health SA
Original Assignee
J Uriach y Cia 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 J Uriach y Cia SAfiledCriticalJ Uriach y Cia SA
Priority to ES469694ApriorityCriticalpatent/ES469694A1/es
Publication of ES469694A1publicationCriticalpatent/ES469694A1/es
PROCEDIMIENTO PARA LA OBTENCION DEL 4-4 -METILENBIS (CLORURO DE 3-HIDROXI-2-NAFTOILO) DE FORMULA: **FORMULA** SE HACE REACCIONAR LA SAL DISODICA DEL ACIDO PAMOICO CONELCLORURO DE TIONILO, EMPLEANDO UNA BASE ORGANICA COMO CATALIZADOR, PREFERENTEMENTE LA FIMETILFORMAMIDA, EN EL SENO DE UN MEDIO ANHIDRO TAL COMO UN DISOLVENTE ORGANICO INERTE.
ES469694A1978-04-141978-04-14Procedimiento para la obtencion de 4,4'-metilenbis (cloruro de 3-hidroxi-2-naftoilo.
ExpiredES469694A1
(es)