Bayer Aktiengesellschaft

Hartmut Stegelmeier

Wilhelm Brandes

Andreas Knorr

Stanislav Kazda

Eckhard Schwenner

Gerd Hanssler

Elisabeth Perzborn

Engelbert Kuhle

Friedel Seuter

Mithat Mardin

Volker Fiedler

Dieter Mayer

Circulation active compounds of the formula ##STR1## in which R.sup.1 is phenyl or heterocyclyl substituted by nitro, trifluoromethyl or other radicals,

Amino-esters of dihydropyridines useful for improving circulation in

Certain 2h-benzo[a]quinolizin-2-yl-aminoalkyl esters of

Combating diseases of the respiratory tract, inflammations, rheumatism, thromboembolic diseases, ischaemias and infarcts, cardiac arrhythmias and arteriosclerosis with pyrazolediones of the formula ##STR1## wherein R represents an aryl or heteroaryl radical which has 6 to 12 C atoms and optionally contains 1 to 3 identical or different substituents from the group comprising halogen, trifluoromethyl, alkyl, alkenyl, alkoxy, alkylamino, cyano, trifluoromethoxy, nitro, hydroxyl, SO.sub.n -alkyl (n=0 to 2) or SO.sub.n -trifluoromethyl ) n=0 to 2), alkyl, alkenyl and alkoxy each having up to 4 C atoms,

Lipoxygenase inhibiting 1-arylalkyl-, 1-arylthio-, and

N-Sulphenylated pyranopyrazole derivatives of the formula ##STR1## in which R.sup.1 is halogen, alkyl, alkoxy, alkylthio, halogenoalkyl, dialkylamino, nitro or cyano,

N-sulphenylated pyranopyrazole derivative protection agents

Pyrano-pyrazole derivative of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl, alkanoyl, alkoxycarbonyl, optionally substituted phenyl or optionally substituted phenylalkyl,

Fungicidally active pyrano-pyrazole derivatives

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Hilden, Germany

Hartmut Stegelmeier