| abstract |
Procedure for obtaining perhydro-aza-heterocycle derivatives of formula. ** (Formula) ** where X represents the oxo or hydrogen radical and the OR1 radical, where R1 represents hydrogen or an aliphatic hydrocarbon radical, optionally substituted, araliphatic, optionally substituted, or aromatic, optionally substituted, or an acyl radical, R2 signifies lower alkyl, Y signifies oxygen or sulfur n1 and n2, in each case they have values from 1 to 3, where n1 + n2 at most r, and Ar signifies an aromatic hydrocarbon radical, substituted optionally, and their acid addition salts. |