| 摘要 |
The invention is concerned with novel compounds of the formulathe pharmaceutically acceptable acid addition salts thereof and the stereochemically isomeric forms thereof, whereinX is oxygen or sulphur; R1 is hydrogen or halo; R2 is hydrogen, C1-4alkyl, phenylmethyl or halophenylmethyl; Alk is C1-4alkanediyl; -Z-A- is a bivalent radical selected from the group consisting of -S-CH2-CH2, -S-CH2-CH2-CH2-, -S-CH=CH-, -CH=CH-CH=CH-, -C(=CHR3)-CH2-CH2-CH2-, -CH=CH-O-, -CHR4-CH2-CH2-, -CHR4-CH2-CH2-CH2-, -CHR4-CH2-CH2-CH2-CH2-; in said bivalent radicals one hydrogen may be replaced by C1-4alkyl; R3 is phenyl or halophenyl; each R4 independently represents hydrogen, hydroxy, phenylmethyl or halophenylmethyl. Pharmaceutical compositions of said compounds and use as a medicine. |
