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
Original Assignee
Ciba Geigy 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
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Publication of ES210021A1publicationCriticalpatent/ES210021A1/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Abstract
Procedimiento para la obtención de un nuevo éter caracterizado porque se trata el ácido N-metilo-trimetilocolquicínico con agentes generadores de éter metílico separando la mezcla formada de éteres metílicos isomeros aislando la N-metilo-desacetiloiso-colquicina eventualmente en forma de sus sales y transformándola si se desea en sus sales.
ES0210021A1953-02-101953-06-26Procedimiento para la obtencion de un nuevo éter
ExpiredES210021A1
(es)