Merck Patent Gesellschaft MIT Beschrankter Haftung

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Rolf Gericke

Manfred Baumgarth

Rolf Bergmann

Hanns Wurziger

Jacques De Peyer

Gunther Hausler

Norbert Beier

Klaus-Otto Minck

Rochus Jonas

Claus J Schmitges

Horst Juraszyk

Chroman derivatives of the formula I ##STR1## wherein R.sup.1 to R.sup.8 have the meanings defined herein, and their salts have an effect on the cardiovascular system.

Chroman derivatives

3-Alkoxycarbonyl thiadiazinones of the formula I ##STR1## and physiologically unobjectionable salts thereof, in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, Q and n have the meanings described herein, exhibit a positively inotropic action and can be employed for the therapy of cardiac insufficiency.

3-alkoxycarbonyl-thiadiazinones

Piperidine and piperazine derivatives of formula I ##STR1## wherein R.sup.1 and R.sup.2 are H or A,

Piperidines and piperazines

Compounds of the formula ##STR1## are disclosed wherein the variables are herein described. These compounds are intermediates to compounds which influence the influx of calcium into the cell.

1,4-dihydropyridines

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Darmstadt, Germany

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