Sumitomo Pharmaceuticals Company Limited

Sumitomo Chemical Company, Limited

Sumitono Pharmaceutical Company, Limited

Atsuyuki Kojima

Junki Katsube

Hisao Yamamoto

Yoshito Kameno

Masao Enomoto

Hiroaki Masumori

Yuzuru Sanemitsu

Keiichi Ono

Michihiro Yamamoto

Masato Mizutani

Fujio Antoku

Nobuhiko Tamura

Shigeaki Morooka

Fumio Nishikaku

Yukinori Ozato

Yoshihiko Kimura

Yoshihiro Komuro

Hideki Yagi

Shigeho Inaba

Makoto Sunagawa

Naohito Ohashi

Hajime Kawakami

Shunji Aono

Masami Muraoka

Ikutaro Saji

Akihiko Sugie

Masahumi Kitano

Mayumi Yoshigi

Yoshinori Takashima

Kazuhiro Nakano

Akira Miyagishi

Tsuyoshi Noguchi

Kukuo Ishizumi

You Tanabe

Shunsuke Sami

Kikuo Ishizumi

Isamu Maruyama

Toshio Atsumi

Kazuki Matsui

Hirohiko Hasegawa

Youichi Hara

Shuichi Harada

Naruhito Masai

Nobuyuki Hara

Tsunemasa Irie

Novel indoloylguanidine derivatives shown by formula (1), wherein R,represents one or more, the same or different substituent(s) which is selected from the group consisting of a hydrogen atom, an alkyl group, a substituted alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, a halogen atom, nitro group, an acyl group, carboxyl group, an alkoxycarbonyl group, an aromatic group, and a group shown by formula: &mdash;OR,, &mdash;NR,R,, &mdash;SO,NR,R,or &mdash;S(O),R,; and R,represents a hydrogen atom, an alkyl group, a substituted alkyl group, a cycloalkyl group, hydroxy group, an alkoxy group or a group shown by formula: &mdash;CH,R,; and which inhibit the Na,/H,exchanger activity and are useful for the treatment and prevention of a disease caused by increased Na,/H,exchanger activity, such as hypertension, arrhythmia, angina pectoris, cardiac hypertrophy, diabetes, disorders associated with ischemia or ischemic reperfusion, cerebro-ischemic disorders; or diseases caused by excessive cell proliferation.

Indoloylguanidine derivatives

This invention is to provide quinazolinone derivatives, and their acid salts and quaternary ammonium salts, having an effect of preventing or treating diseases caused by calcium ion overload in cells, such as ischemic heart disease, ischemic cerebral disease and ischemic renal disease, and their usage. The quinazolinone derivatives are represented by the formula: ##STR1## typically, T represents an oxygen atom; Y represents a phenyl or cyclohexyl group; R.sup.1 represents a hydrogen or chlorine atom; R.sup.2 represents a hydrogen atom; ring W represents a benzene or pyridine ring; Z represents a group of the formula: ##STR2##

Quinazolinone derivatives possessing calcium uptake inhibiting activity

A compound of the formula: ##STR1## wherein A is the group of the formula:

Aminoazole derivatives and their production and use

Thiazolidin-4-one derivative represented by the following general formula (I) and acid addition salts thereof ##STR1## wherein; R.sup.1 and R.sup.2 are the same or different and denote each

Thiazolidin-4-one derivatives and acid addition salts thereof useful for

compound of the formula: ##STR1## wherein A is the group of the formula:

A 2-pyridyl-thiazolidin-4-one derivative represented by the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each a hydrogen atom, an C.sub.1 -C.sub.20 alkyl group, an C.sub.2 -C.sub.20 alkenyl group, an C.sub.2 -C.sub.20 alkynyl group, an aryl group, a C.sub.3 -C.sub.8 cycloalkyl group or an aralkyl group which may have a substituent, R.sub.3 is a hydrogen atom, an C.sub.1 -C.sub.20 alkyl group, an C.sub.2 -C.sub.20 alkenyl group, an C.sub.2 -C.sub.20 alkynyl group, a C.sub.3 -C.sub.8 cycloalkyl group or an aralkyl group which may have a substituent, P is a pyridyl group or its N-substituted pyridinium salt which may have a substituent, said substituent being selected from the group consisting of halogen atom, cyano group, hydroxy group, amino group, lower alkyl group, lower alkoxy group, lower alkylamino group, halogenated lower alkyl group, acyl group, acyloxy group, acylthio group, acylamino group, carboxyl group, lower alkoxycarbonyl group, carbamoyl group, lower alkyl substituted carbamoyl group, heterocyclic group, and lower cycloalkyl group, and n represents an integer of 0, 1 or 2, or a pharmaceutically acceptable salts thereof and an anti-ulcer agent which contains, as an effective ingredient, said 2-pyridyl-thiazolidine-4-one derivative or a pharmaceutically acceptable salt thereof.

Certain pyridyl-thiazolidin-4-one having anti-ulcer activity

Thiazolidin-4-one derivative represented by the folowing general formula (I) and acid addition salts thereof ##STR1## wherein; R.sup.1 and R.sup.2 are the same or different and denote each

Thiazolidin-4-one derivatives useful for treating diseases caused by

An imide derivative of the formula: ##STR1## or a pharmaceutically acceptable salt, which is useful as an antipsychotic drug.

Imide derivatives, and their use in pharmaceuticals

A novel 2-pyridylthiazolidin-4-one derivative represented by the general formula ##STR1## wherein Ar denotes an aryl group unsubstituted or substituted with a halogen atom or with a lower alkoxy group; X denotes a straight-chain or branched-chain lower alkylene group or a single bond; R denotes a hydrogen atom, lower alkyl, lower alkenyl, lower alkynyl, cycloalkyl, acyloxy, di(lower alkyl) amino, hydroxyl or aryl group, or denotes an aryl group substituted with a lower alkoxy group; and Py denotes a pyridyl group, and the acid addition salt thereof, which have an excellent platelet activating factor antagonsm.

Novel thiazolidin-4-one derivatives and acid addition salts therof

A succinimide derivative of the formula: ##STR1## wherein R is a pyridyl or pyrimidinyl group substituted with at least one member selected from the group consisting of halogen, lower alkyl, lower alkoxy, cyano, benzyloxy, hydroxyl and amino, and n is an integer of 1 or 2, or a pharmaceutically acceptable acid addition salt thereof. The succinimide derivatives are useful as an anti-anxiety drugs.

Succinimide derivatives, and their production and use

Imide derivatives and their use in the treatment psychosis

A compound of the formula ##STR1## wherein X.sup.1 is a free or esterified carboxyl group, a hydroxymethyl group, a cyano group, a group of the formula: ##STR2## (R.sup.a and R.sup.b are each independently a hydrogen atom, a C.sub.1 -C.sub.4 alkyl group, a C.sub.3 -C.sub.7 cycloalkyl group, a benzyl group, a phenyl group, a phenyl group substituted with a halogen atom or a C.sub.1 -C.sub.4 alkyl group, or, when taken together with the adjacent nitrogen atom to which they are attached, they represent a 5 to 7-membered saturated heterocyclic group) or a group of the formula: ##STR3## (R.sup.a and R.sup.b are each as defined above), Y is an ethylene group or a vinylene group, R.sup.1 is a hydrogen atom, a hydroxyl group or a protected hydroxyl group, R.sup.2 is a hydrogen atom or R.sub.1 and R.sub.2, when taken together, means a single linkage to form a double bond between the carbon atoms which they are linked, R.sup.3 is a hydroxyl group or a protected hydroxyl group, R.sup.4 is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, R.sup.5 is a hydrogen atom, a C.sub.3 -C.sub.8 alkenyl group, a C.sub.3 -C.sub.8 alkynyl group, a C.sub.1 -C.sub.8 alkyl group, a C.sub.3 -C.sub.7 cycloalkyl group or a group of the formula: --(CH.sub.2).sub.n --B (n is 1 or 2 and B is a C.sub.1 -C.sub.4 alkoxyl group, a C.sub.3 -C.sub.7 cycloalkyl group, or a phenyl or phenoxy group optionally substituted with a halogen atom, a C.sub.1 -C.sub.4 alkyl group, a trifluoromethyl group or a C.sub.1 -C.sub.4 alkoxyl group), A is a group of either one of the formulae: ##STR4## (R.sup.6 and R.sup.7 are each independently a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group) and ##STR5## m.sub.1 is 1 or 2 and m.sub.2 is 0, 1 or 2, and the non-toxic pharmaceutically acceptable salts threreof. Said compounds have strong anti-ulcerogenic activity and are useful in treatment of gastraintestinal ulcer.

Bicyclooctane derivatives

Conjugated ketone compounds of the formula: ##STR1## wherein Ar is naphthyl, furyl, thienyl, or phenyl optionally bearing one or more substituents selected from the group consisting of chlorine, bromine, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, trifluoromethyl and methylenedioxy, R.sub.1 is C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.5 alkenyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.7 -C.sub.8 aralkyl or adamantyl, R.sub.2 is C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.5 alkenyl or C.sub.3 -C.sub.6 cycloalkyl, or when R.sub.1 and R.sub.2 are taken together with the nitrogen atom to which they are attached, they form a heterocyclic amino group containing up to 8 carbon atoms, A is straight or branched C.sub.1 -C.sub.3 alkylene, N-[4-(p-chlorophenyl)-4-oxo-2-trans-butenyl]morpholine and N-[4-(p-methoxyphenyl)-4-oxo-2-trans-butenyl]piperidine being excluded, and their non-toxic salts, which are useful as blood platelet anti-aggregative agents.

Conjugated ketone compounds in preventing platelet thrombosis

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Takarazuka, Japan

Atsuyuki Kojima