PROCESSES FOR PREPARING HIGHLY PURE ROTIGOTINE OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF
申请人:Khunt Mayur Devjibhai
公开号:US20110313176A1
公开(公告)日:2011-12-22
Provided herein are convenient, industrially advantageous and environmentally friendly processes for the preparation of (−)-(S)-5-hydroxy-2-[N-n-propyl-N-2-(2-thienyl)ethylamino]tetralin (rotigotine) or a pharmaceutically acceptable salt thereof. Provided further herein is a highly pure rotigotine or a pharmaceutically acceptable salt thereof substantially free of impurities, processes for the preparation thereof, and pharmaceutical compositions comprising highly pure rotigotine or a pharmaceutically acceptable salt thereof substantially free of impurities.
[EN] PROCESSES FOR PREPARING HIGHLY PURE ROTIGOTINE OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF<br/>[FR] PROCÉDÉ DE PRÉPARATION DE ROTIGOTINE TRÈS PURE OU D'UN SEL PHARMACEUTIQUEMENT ACCEPTABLE DE CELLE-CI
申请人:ACTAVIS GROUP PTC EHF
公开号:WO2010073124A2
公开(公告)日:2010-07-01
Provided herein are convenient, industrially advantageous and environmentally friendly processes for the preparation of (-)-(S)-5-hydroxy-2-[N-n-propyl-N-2-(2-thienyl)ethylamino] tetralin (rotigotine) or a pharmaceutically acceptable salt thereof. Provided further herein is a highly pure rotigotine or a pharmaceutically acceptable salt thereof substantially free of impurities, processes for the preparation thereof, and pharmaceutical compositions comprising highly pure rotigotine or a pharmaceutically acceptable salt thereof substantially free of impurities.
Method for detecting dopaminergic diseases using fluorine-18
申请人:Nelson Research & Development
公开号:US04931270A1
公开(公告)日:1990-06-05
Abnormalitites in the distribution of a dopamine D.sub.2 receptors in humans and other mammals are detected by (1) administering to a human or other mammal an amount of a .sup.18 F-radiolabelled compound sufficient to be detected by a positron emission sensitive means for imaging, said compound having affinity for said receptors selected from the group consisting of optically active or racemic compounds represented by the general formula: ##STR1## (2) forming at least one image showing the distribution of the radiolabelled compound within the human or other mammal using a positron emission-sensitive means for imaging; and (3) determining normality of the concentrations or distribution by comparing the image with an image showing the normal concentrations and distribution of the receptors in humans or mammals of the same species wherein R1-R4, n and m- are as set forth in the specification.