| abstract |
3-Piperidino-4-hydroxychroman derivatives of the general formula I in which A and B together form a -CH.sub group. 2.n.CH.sub. 2.n.- or A and B are separated and each represents a hydrogen atom; X is CH.sub. 2 or an oxygen atom; X.sup. 1.n. represents a hydrogen atom or an OH group; Z is hydrogen, fluoro, chloro, bromo or OH; Z.sup. N represents a hydrogen, fluorine, chlorine, bromine atom or an alkyl group containing 1 to 3 carbon atoms; n is 0 or 1, and m is 0 or an integer from 1 to 6; and the pharmaceutically acceptable salts thereof, and the stereoisomeric forms of the compounds. These compounds are useful in the treatment of central nervous system and heart attack disorders. Also included are processes for the preparation of these compounds and intermediates therefor |