[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF BUTORPHANOL TARTRATE<br/>[FR] PROCÉDÉ DE PRÉPARATION AMÉLIORÉ DE TARTRATE DE BUTORPHANOL
申请人:HIKAL LTD
公开号:WO2017168444A1
公开(公告)日:2017-10-05
The present invention relates to an improved process for the preparation of Butorphanol tartrate of formula (I),
这项发明涉及一种改进的制备盐酸布托啡诺的方法,其化学式为(I)。
Process for the preparation of butorphanol tartrate
申请人:Hikal Limited
公开号:US10544101B2
公开(公告)日:2020-01-28
The present invention relates to an improved process for the preparation of Butorphanol tartrate of formula (I),
本发明涉及一种制备式(I)酒石酸布托诺啡的改进工艺、
AN IMPROVED PROCESS FOR THE PREPARATION OF BUTORPHANOL TARTRATE
申请人:Hikal Limited
公开号:EP3436425A1
公开(公告)日:2019-02-06
US4017497A
申请人:——
公开号:US4017497A
公开(公告)日:1977-04-12
Process for the preparation of 14-hydroxymorphinan derivatives
申请人:Bristol-Myers Company
公开号:US04017497A1
公开(公告)日:1977-04-12
N-substituted-14-hydroxy-3-substituted-morphinan derivatives have been found to possess potent narcotic agonist or antagonist activity. In particular, the compound 3,14-dihydroxy-N-cyclobutylmethylmorphinan has been found to possess potent agonist/antagonist activity. A new and novel total synthesis for the preparation of these compounds is described herein.