Process for the preparation of morphine analogs via metal catalyzed N-demethylation/functio… Grant US-9533993-B2 United States of America 03 Jan 2017
Processes for the alkylation of secondary amine groups of morphinan derivatives Grant AU-2009300379-B2 Australia 02 Apr 2015
Process for the preparation of morphine analogues by metal-catalyzed N-demethylation … Application JP-2014514339-A Japan 19 Jun 2014