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.)
Servicios y Suministros Farmaceuticos SA
Original Assignee
Servicios y Suministros Farmaceuticos SA
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Filing date
Publication date
Application filed by Servicios y Suministros Farmaceuticos SAfiledCriticalServicios y Suministros Farmaceuticos SA
Priority to ES533037ApriorityCriticalpatent/ES533037A0/en
Publication of ES8505995A1publicationCriticalpatent/ES8505995A1/en
Publication of ES533037A0publicationCriticalpatent/ES533037A0/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
1-Ethyl 6-fluoro 1,4-dihydro 4-oxo 7-(1-piperazinyl)quinoline 3-carboxylic acid is made by (a) converting methyl 4-chloro 5-fluoro anthranilate to the imidate; (b) cyclising this by the action of a base and ethylating the N atom in the quinolinic structure obtained; (c) hydrolysing the ester; and (d) carrying out a substitution reaction with diethylene diamine.
ES533037A1984-06-011984-06-01
PROCEDURE FOR OBTAINING THE ACID 1-ETIL-6-FLUORO-1, 4-DIHIDRO-4-OXO-7- (1-PIPERACINIL) -3-QUINOLINCARBOXILICO
GrantedES533037A0
(en)
2-ALKYL OR -ARALKYLTIO-1-CYCLOALKEN-1-CARBOXAMIDES AND THEIR SULPHOXIDES, SET FOR THEIR PREPARATION AND THEIR USE FOR THE SYNTHESIS OF TRI- AND 4,5-TETRAMETHYLENE-4-ISOTIAZE