Analogifremgangsmaade for the preparation of racemic or optically active 2- (heteroaryl-methyl) -5,9beta-dialkyl-6,7-benzomorphans, or acid addition salts thereof

摘要

Compounds of the formula WHEREIN R is hydrogen, methyl or acetyl, R1 and R2, which may be identical to or different from each other, are each alkyl of 1 to 3 carbon atoms, R3 is hydrogen or methyl, and Y is oxygen or sulfur, AND NON-TOXIC, PHARMACOLOGICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF; THESE COMPOUNDS AS WELL AS THE SALTS ARE USEFUL AS ANALGESICS AND ANTITUSSIVES, AND OPIATE ANTAGONISTS.