摘要:
A novel chemical compound useful as a therapeutic or prophylactic agent for acid-related diseases is provided, which has an excellent inhibitory effect against gastric acid secretion, an excellent effect of maintaining the inhibitory effect against gastric acid secretion, thereby maintaining intragastric pH high for a long time, and having more safety and appropriate physicochemical stability. Provided is a compound represented by where R1 and R3 may be the same or different and each represent a hydrogen atom or a C1-C6 alkyl group; R2 represents (5,5-dimethyl-1,3-dioxan-2-yl)methoxy group, 5,7-dioxaspiro[2.5]oct-6-ylmethoxy group, 1,5,9-trioxaspiro[5.5]undec-3-ylmethoxy group, or (2,2-dimethyl-1,3-dioxan-5-yl)methoxy group; R4, R5, R6 and R7 represent a hydrogen atom, halogen atom, C1-C6 alkyl group, C1-C6 haloalkyl group, C1-C6 alkoxy group or C1-C6 haloalkoxy group; and W1 represents a single bond, methylene or ethylene group, a salt thereof or a solvate of these.
摘要:
Pyridine derivatives useful for preventing or treating peptic ulcers, pharmaceutical preparations and methods of treating peptic ulcers are described.
摘要:
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.
摘要:
Disclosed herein is a novel chromogenic compound of the formula: ##STR1## wherein R represents an alkyl group of 6 to 12 carbon atoms or benzyl group, and ring A and ring B in the quinolyl group may be substituted, a color forming composition containing said chromogenic compound, and pressure- or heat-sensitive recording paper based on said color forming composition.
摘要:
The present invention relates to a novel compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 respectively represent hydrogen atom, lower alkyl group of 1 to 5 carbon atoms, lower alkoxy group of 1 to 5 carbon atoms or halogen atom; R.sup.3 represents hydrogen atom, alkyl group of 1 to 12 carbon atoms, alkoxyalkyl group of 1 to 12 carbon atoms, halogenoalkyl group of 1 to 12 carbon atoms, phenyl group which may be substituted or benzyl group which may be substituted; and m and n are an integer of 1 or 2; providing the R.sup.1 and R.sup.2 do not represent hydrogen atom, methyl group and methoxy group when R.sup.3 represents hydrogen atom or methyl group.Further, the present invention relates to color developing compositions suitable for use in a recording material and pressure- or heat-sensitive recording sheet containing the novel compound of the formula (I).
摘要:
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##
摘要:
Disclosed herein is a novel process for producing 1,1-diphenylalkenes, comprising contacting lead peroxide with 1,1-diphenylalkanes having the structure wherein a nitrogen atom of a tertiary amino group is bonded to the para-position of each of the two benzene rings of the 1,1-diphenylalkane, thereby obtaining the corresponding 1,1-diphenylalkenes.
摘要:
A novel polyprenyl compound is identified with the formula and useful for a pharmaceutical drag. ##STR1## wherein X represents a group of the formula: ##STR2## (wherein R.sup.1 and R.sup.2, which may be the same or differnt, represent each a hydrogen atom, a lower alkyl group, a hydroxyalkyl group, or a lower alkenyl group); a group of the formula: ##STR3## (wherein A including the nitrogen atom shown represents a ring containing nitrogen and oxygen atoms); or a group of the formula: ##STR4## (wherein R.sup.3 represents a hydrogen atom or a lower alkyl group, and R.sup.4 represents a lower alkyl group); Y represents a group of the formula: ##STR5## or a group of the formula: ##STR6## (wherein R.sup.5 represents a hydrogen atom or a lower alkyl group), and n represents an integer of from 2 to 5.
摘要:
An object of the present invention is to provide a novel chemical compound useful as a therapeutic or prophylactic agent for acid-related diseases, having an excellent inhibitory effect against gastric acid secretion, an excellent effect of maintaining the inhibitory effect against gastric acid secretion, thereby maintaining intragastric pH high for a long time, and having more safety and appropriate physicochemical stability.Provided is a compound represented by where R1 and R3 may be the same or different and each represent a hydrogen atom or a C1-C6 alkyl group; R2 represents (5,5-dimethyl-1,3-dioxan-2-yl)methoxy group, 5,7-dioxaspiro[2.5]oct-6-ylmethoxy group, 1,5,9-trioxaspiro[5.5]undec-3-ylmethoxy group, or (2,2-dimethyl-1,3-dioxan-5-yl)methoxy group; R4, R5, R6 and R7 represent a hydrogen atom, halogen atom, C1-C6 alkyl group, C1-C6 haloalkyl group, C1-C6 alkoxy group or C1-C6 haloalkoxy group; and W1 represents a single bond, methylene or ethylene group, a salt thereof or a solvate of these.
摘要翻译:本发明的目的是提供一种新颖的化合物,其可用作酸性相关疾病的治疗或预防剂,对胃酸分泌具有优异的抑制作用,具有保持对胃酸分泌的抑制作用的优异效果,从而 长时间保持胃内pH高,并具有更多的安全性和适当的物理化学稳定性。 其中R 1和R 3可以相同或不同,表示氢原子或C1-C6烷基; R 5表示(5,5-二甲基-1,3-二恶烷-2-基)甲氧基,5,7-二氧杂螺[2.5]辛-6-基甲氧基,1,5,9 - 三氧杂螺[5.5]十一烷-3-基甲氧基或(2,2-二甲基-1,3-二恶烷-5-基)甲氧基; R 4,R 5,R 6和R 7表示氢原子,卤素原子,C 1 -C 6 烷基,C1-C6卤代烷基,C1-C6烷氧基或C1-C6卤代烷氧基; 和W 1表示单键,亚甲基或亚乙基,其盐或它们的溶剂合物。