Abstract:
A naphthalene derivative having the formula is new and useful for medicine. ##STR1## wherein R.sup.1 represents a hydrogen atom, a lower alkyl group or an acyl group;R.sup.2 independently represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, a halogen atom, a cycloalkyl group, a cycloalkylalkyl group, a hydroxyl group, an aryl group which may be substituted, an arylalkyl group whose aryl group may be substituted, a heteroaryl group, or a heteroarylalkyl group;R.sup.3 and R.sup.4 are the same or different and represent a hydrogen atom, a lower alkyl group, a lower alkenyl group, an aryl group which may have a substituent, an arylalkyl group whose aryl group may be substituted, an arylalkenyl group whose aryl group may be substituted, a cycloalkyl group, an alkoxyalkyl group, a heteroaryl group, a heteroarylalkyl group, a carboxyl group, a carboxyalkyl group, an aminoalkyl group, or a cyano group;R.sup.5 represents a group of the formula, --OR.sup.7, (wherein R.sup.7 represents a hydrogen atom or a lower alkyl group), or a group of the formula, ##STR2## (wherein R.sup.8 and R.sup.9 are the same or different and represent a hydrogen atom or a lower alkyl group.
Abstract:
A pyridinium salt useful as an antiulcer agent, defined by formula (I) is disclosed. It includes a sulphenamide compound and a pyridinium compound. J is benzimidazole, K is --S-- or --SSR-- and Z is hydroxy or alkoxy. ##STR1##
Abstract:
The present invention provides a medicament exhibiting excellent retinoic acid receptor agonism.A Carboxylic acid derivative having a fused ring which is represented by the following formula or a pharmacologically acceptable salt thereof: ##STR1## {wherein the symbol ##STR2## represents a single bond or a double bond; X, Y, Z, P, Q, U, V and W are each a group represented by the formula: --O-- or --S--, or a group represented by the formula: ##STR3## [wherein R.sup.k (k: 1 to 8) is hydrogen, halogeno, optionally substituted lower alkyl or the like, with either of R.sup.7 and R.sup.8 being a group represented by the formula: ##STR4## (wherein A and B are each independently an optionally substituted aromatic hydrocarbon ring or an optionally substituted unsaturated heterocycle; and D is optionally protected carboxyl)]}.
Abstract translation:本发明提供了显示出优异的视黄酸受体激动作用的药物。 具有由下式表示的稠环的羧酸衍生物或其药理学上可接受的盐:其中符号表示单键或双键; X,Y,Z,P,Q,U,V和W分别是由下式表示的基团:-O-或-S-,或由下式表示的基团:[其中R k(k:1至8) 是氢,卤素,任选取代的低级烷基等,其中R 7和R 8中的任一个是由下式表示的基团:(其中A和B各自独立地是任选取代的芳族烃环或任选取代的不饱和杂环; D 任选保护羧基)]}。
Abstract:
A benzothiazole derivative or a pharmacologically acceptable salt thereof which is useful as a preventive or therapeutic agent for diseases on which functions of suppressing leukotrienes and thromboxanes production are effective.A benzothiazole derivative represented by the following general formula (I): ##STR1## wherein R.sup.1 and R.sup.3 are either the same or different and represents a hydrogen atom, a lower alkyl group or a lower alkoxy group; R.sup.4 represents a group represented by the formula --(CH.sub.x)--.sub.q wherein q is a integer of from 1 to 4;R.sup.2 represents a hydrogen atom and;R.sup.5 and R.sup.6 are the same or different and each represent a hydrogen atom or a lower alkyl group; or a pharmacologically acceptable salt thereof.
Abstract translation:可用作抑制白细胞三烯和血栓素生成功能有效的疾病的预防或治疗剂的苯并噻唑衍生物或其药理学上可接受的盐。 由以下通式(I)表示的苯并噻唑衍生物:(*化学结构*)(I)其中R 1和R 3相同或不同,表示氢原子,低级烷基或低级烷氧基; R 4表示由式 - (CH x)-q表示的基团,其中q为1至4的整数; R2表示氢原子, R 5和R 6相同或不同,各自表示氢原子或低级烷基; 或其药理学上可接受的盐。
Abstract:
A quinone derivative useful in the treatment of hepatic diseases defined by the general formula: ##STR1## where R1 is selected from the group consisting of alkyl, alkenly, alkynyl or heterocycle, R2 is a substituted nitrogen containing radical wherein the substituents on said nitrogen are selected from the group consisting of hydrogen, substituted or unsubstituted lower alkyl or heterocycles, and where said nitrogen may be a ring heteroatom, and R3, R4 and R5, may be the same or different and each are hydrogen, lower alkyl or lower alkoxy groups.
Abstract:
Pyridine derivatives useful for preventing or treating peptic ulcers, pharmaceutical preparations and methods of treating peptic ulcers are described.
Abstract:
The present invention provides a novel method for producing a compound represented by formula (III) shown below, which comprises treating a compound represented by formula (I) shown below with a trivalent chromium compound and at least one kind of metal selected from the group consisting of manganese and zinc in a solvent in the presence of a ligand represented by formula (II) shown below, and the present invention further provides the novel compound represented by formula (I).
Abstract:
Described is a heterocycle-containing carboxylic acid derivative represented by the following formula (I): wherein A represents, for example, a heteroaryl group which contains at least one nitrogen atom and may have a substituent, B represents, for example, a heteroarylene group, a —CONH— group or a group represented by the formula —CR6═CR7— in which R6 and R7 represents H, a lower alkyl group or the like, D represents an arylene group, a heteroarylene group or the like, n1 stands for 0 or 1, M represents, for example, a hydroxyl group or a lower alkoxy group; or a physiologically acceptable salt thereof. As a retinoic-related compound replacing retinoic acid, it permits the provision of a preventive and/or therapeutic for various diseases.
Abstract:
Pyridine derivatives useful for preventing or treating peptic ulcers, pharmaceutical preparations and methods of treating peptic ulcers are described.
Abstract:
A pyridine compound having the formula is disclosed and useful to treat the peptic ulcer. ##STR1## wherein R.sup.1 and R.sup.2 which may be the same or different are each a hydrogen atom, a lower alkyl group, a lower alkoxy group, a halogenated lower alkyl group, or a halogen atom, R.sup.3 and R.sup.4 which may be the same or different are each a hydrogen atom or a lower alkyl group, X is a group represented by the formula --S--, a group represented by the formula ##STR2## or a group represented by the formula ##STR3## and n is an integer of 1 to 6, provided that R.sup.3 and R.sup.4 are not simultaneously hydrogen atoms when n is 1.