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.)
Takeda GmbH
Original Assignee
Byk Gulden Lomberg Chemische Fabrik GmbH
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
Family has litigation
First worldwide family litigation filedlitigationCriticalhttps://patents.darts-ip.com/?family=4221018&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2022032(A6)"Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts
(AREA)
Abstract
EL INVENTO SE REFIERE A UN NUEVO PROCEDIMIENTO PARA PREPARAR 3,4-DIALCOXIPIRIDINAS DE FORMULA I FORMULA (I) POR ALQUILACION DE CORRESPONDIENTES COMPUESTOS DE PARTIDA, EN LOS CUALES R4 REPRESENTA UN RADICAL HIDROXILO.
ES9001394A1989-05-191990-05-18Procedimiento para la preparacion de 3,4-dialcoxipiridinas.
Expired - LifetimeES2022032A6
(es)