Yoshitomi Pharmaceutical Industries, Ltd.

Toshio Hamasaki

Michio Terasawa

Masafumi Arita

Minoru Kawakami

Mitsuhiro Konishi

Yoshinao Tsuda

Tatsumi Tsumagari

Takenori Kenjo

A styryl compound of the formula(I): ##STR1## wherein each symbol is as defined in the specification, a pharmaceutically acceptable salt or an ester thereof is disclosed. Since the compounds of the present invention possess potent and long-lasting leukotriene-antagonistic actions and inhibitory actions against leukotriene, and exhibit better absorption by the oral administration. Further, the compounds of the present invention possess 5-lipoxygenase-inhibitory actions and/or cyclooxygenase-inhibitory actions, inhibitory actions to biosynthesis of LTB4, chemotactic actions against human leucoccyte, chymase-inhibitory actions, inhibitory actions to release of histamine or antihistamine actions. Therefore, they are useful as the prophylactic and therapeutic medicines for brochial asthma, chronic bronchitis, atopic dermatitis, allergic rhinitis, allergic arthritis, allergic conjunctivitis, hay fever, urticaria, alimentary allergy, pain, pyretolysis, rheumatoid, thrombosis, coronary vascular diseases, ischemic heart disease, peptic or duodenal ulcer and the like.

Styryl phridyl compounds and their pharmaceutical compositions

4,4-Diphenylcyclohexylpiperidine compounds and their analogs of the formula: ##STR1## wherein the dotted line in Ring A indicates an optional bond; R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently a hydrogen atom, a halogen atom, a trifluoromethyl group or a lower alkyl group; n is 1 or 2; m is 0 or 1; and Am is a piperidino group of the formula: ##STR2## where R.sup.5 and R.sup.6 are independently a hydrogen atom, a halogen atom, a trifluoromethyl group or a lower alkyl group, and the dotted line in Ring B indicates an optional bond; And pharmaceutically acceptable salts thereof are disclosed. They exhibit potent and long-lasting psychotropic effects.

4,4-Diphenylcycloalkylpiperidines and psychotropic compositions thereof

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Nakatsu, Japan

Toshio Hamasaki