abstract |
A process for the preparation of levorotatory 3-phenoxy-N-substituted morphinan derivatives, of the general formula **(Formula)** wherein R is halogen, nitro, lower alkyl, lower alkoxy, hydroxy or hydrogen; R1 is lower alkyl. p is an integer between 0 and 3 and n is an integer between 1 and 5 and pharmaceutically acceptable salts thereof. |