RADIOLABELED N-SUBSTITUTED-6-3,14-DIHYDROXY-4,5 ALPHAEPOXYMORPHINANS, THEIR INTERMEDIATES, METHODS OF PREPARATION AND USE

摘要

The present invention is directed to radiolabeled N-substituted-6-iodo-3,14-dihydroxy-4,5 alpha -epoxymorphinans, intermediates for producing the same, and a process for the preparation and methods of detecting opioid receptors. The radioimaging agent of the present invention has the following formula: wherein I is selected from the group consisting of 123L and 125; and where R is alkyl, cycloalkylloweralkyl or allyl.