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
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES218497A1publicationCriticalpatent/ES218497A1/es
Procedimiento para la obtención de nuevas piperidinas, caracterizándose porque se tratan las piridinas que tengan en su posición 2 un grupo metílico trisustituido, cuyo átomo de carbono está provisto de dos núcleos aromáticos y un resto alifático, o los derivados cuaternarios con agentes hidrogenantes, porque se transforman en su caso, las piperidinas secundarias en terciarias y/o se cuaternizan las piperidinas elaboradas y, si se desea, se forman de las piperidinas obtenidas las sales correspondientes.
ES0218497A1953-12-221954-11-18UN PROCEDIMIENTO PARA LA OBTENCIoN DE NUEVAS PIPERIDINAS
ExpiredES218497A1
(es)