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.)
Pharmachim TPO
Original Assignee
Pharmachim TPO
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 Pharmachim TPOfiledCriticalPharmachim TPO
Priority to ES544783ApriorityCriticalpatent/ES8702333A1/es
Publication of ES8702333A1publicationCriticalpatent/ES8702333A1/es
Publication of ES544783A0publicationCriticalpatent/ES544783A0/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
PROCEDIMIENTO PARA PREPARAR ESTERES DE 0-(2,6-DICLOROFENILAMINO) ACIDO FENILACETICO. CONSISTE EN HACER REACCIONAR 0-(2,6-CICLOROFENILAMINO) ACIDO FENILAECTICO DE FORMULA (II) CON POLIETILENGLICOLES (PEG) DE FORMULA HO (CH2,CH2O)NH, EN PRESENCIA DE CANTIDADES CATALITICAS DE ACIDO CLOROSULFONICO, EN UN DISOLVENTE (BENCENO O TETRACLOROMETANO) Y CON CALENTAMIENTO EN SEPARACION AZEOTROPICA DEL AGUA, PARA OBTENER UN COMPUESTO DE FORMULA (I). SIENDO: R, UN RADICAL DE FORMULA (III) Y N DE 10 A 450. SE UTILIZA EN MEDICINA POR TENER UNA ACCION ANTIFLOGISTICA Y NO IRRITAR LA MUCOSA DEL ESTOMAGO.
ES544783A1985-07-021985-07-02Metodo para la preparacion de esteres de o (2,6-diclorofenilamino) acido fenilacetico.
ExpiredES8702333A1
(es)
(2-Oxo-pyrrolidine-1)- and (2-oxo- piperidine-1) carboxylic acid hydrazides, process for the manufacture thereof, and pharmaceutical preparations containing them