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.)
Kyorin Pharmaceutical Co Ltd
Original Assignee
Kyorin Pharmaceutical Co Ltd
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 Kyorin Pharmaceutical Co LtdfiledCriticalKyorin Pharmaceutical Co Ltd
Priority to ES541691ApriorityCriticalpatent/ES8607962A1/en
Publication of ES8607962A1publicationCriticalpatent/ES8607962A1/en
Publication of ES541691A0publicationCriticalpatent/ES541691A0/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
PT--80187 A The cpds. are of formula (IV), in which R1 is H or CH3. They are made by hydrolysis of the ester of formula (III) in which R is 1-3C alkyl, which is prepd. by reaction of a cpd. of formula (II) with a cpd. of formula (I), in which X is a halogen atom. EPAB- EP-195135 B A process for the preparation of a compound of the formula (IV) wherein R1 is a hydrogen atom or a methyl group, which comprises saponifying a compound of the formula (III), wherein R1 is a hydrogen atom or a methyl group, which is prepared by the reaction of a compound of the formula (II), wherein R1 has the above-stated meaning, with a compound of the formula (I) which is prepared by the reaction of a compound of the formula (V), with 2-fluoroethyl tosylate.
Mixture of quinolinecarboxylic acid and boric acid anhydride as intermediate derivatives of piperazinyl-3-quinolincarboxylic acid with antibacterial activity
Benzo (IJ) quinolizine-2-carboxylic acid derivatives, the salts and their hydrates, pharmaceutical compositions thereof, and processes for preparing the same