| 摘要 |
An N-phenoxyalkylpiperidine derivative of the formula <IMAGE> wherein R1 is a hydrogen atom, an acyl radical or an optionally substituted aryl radical, R2 is a hydroxymethyl radical, a cyano group, an amidino group, an amidino group substituted by hydroxyl, a 1H tetrazol-5-yl radical or a -CO-R3 radical, R3 is a hydroxyl group, a lower alkoxy radical, an amino group, or an amino group substituted by a 1H-tetrazol-5-yl radical, X is an imino group or an oxymethyl radical, A is an alkylene radical containing 2 to 4 carbon atoms, and B is a valency bond or a 4-hydroxypyrimidin-2,5-diyl radical; or a pharmacologically acceptable salt thereof. The compounds exhibit anti-histaminic, anti-oedematous and anti-phlogistic activity.
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