| 摘要 |
Piperidine and piperazine derivatives of the formula I <IMAGE> in which R<1> and R<2> are H or A, R<3>, R<4> and R<5> in each case independently of one another are H, Hal, OH, OA, OAc, NO2, NH2, NHAc, NHSO2A or CN, or R<3> and R<4> together are also -O-(CH2)m-O-, n is 0, 1 or 2, X is O or CH2 if n = 0 or 2, or CH2, NH, NA or NAc if n = 1, Y is CH or N, m is 1 or 2, Hal is F, Cl, Br or I, A is alkyl having 1-6 C atoms and Ac is alkanoyl having 1-8 C atoms, aralkanoyl having 1-10 C atoms or aroyl having 7-11 C atoms, and their physiologically acceptable salts have antiarrhythmic effects. |
