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.)
Novartis AG
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba AG
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
Priority claimed from CH329363Aexternal-prioritypatent/CH447172A/en
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES297640A1publicationCriticalpatent/ES297640A1/en
"Process for obtaining amine compounds", especially 7-amino-cephalospherican acid and its derivatives with free amine group, of formula I ** (See formula) ** and of their esters, where R is a group that does not participate in the reaction, characterized in that the diester of cephalosporin C, or its derivatives of formula II ** (See formula) ** where R has the indicated meaning, it is allowed to stand for some days in an inert solvent, the 7-amino-cephalospherican acid ester is isolated and, if desired, the ester group is dissociated. (Machine-translation by Google Translate, not legally binding)
ES297640A1963-03-151964-03-14Procedure for the obtaining of aminic compounds (Machine-translation by Google Translate, not legally binding)
ExpiredES297640A1
(en)
Procedure for the obtaining of heterocyclic esters of the acid tionotiolfosfºr- (con) -ico (Machine-translation by Google Translate, not legally binding)