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.)
Ferrer Internacional SA
Original Assignee
Ferrer Internacional 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 Ferrer Internacional SAfiledCriticalFerrer Internacional SA
Priority to ES509087ApriorityCriticalpatent/ES8301943A1/en
Publication of ES509087A0publicationCriticalpatent/ES509087A0/en
Publication of ES8301943A1publicationCriticalpatent/ES8301943A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Procedure for the obtaining of a formula quinazoline derivative (I). Consists of the reaction of formula compound (II) with excess of hydroxylamine hydroxylamine in pyridine or a methyl pyridine, refluxed, followed by cooling, filtration, washing and drying; reaction with a compound of formula rcocl, in which is chlorine or alcoxi, in an organic solvent, followed by basification, washing and separation, reduction with phosphorus trichloride, cooling, dilution with water, alkalinization, extraction, washing, drying, filtration and evaporation of solvent. This composite has pharmacological applications as analgesic and anti-inflammatory. (Machine-translation by Google Translate, not legally binding)
ES509087A1982-01-121982-01-12Procedure for obtaining a quinazolinone derivative. (Machine-translation by Google Translate, not legally binding)
ExpiredES8301943A1
(en)
Procedure for the preparation of 1,1-dioxides of 4-hidroxi-2H-1,2-benzotiazina-3-3-carboxamina. (Machine-translation by Google Translate, not legally binding)