Abstract:
New quinone compounds of the formula: ##STR1## wherein R is methyl or methoxy andY is formyl, carboxyl, an alkoxycarbonyl having 2 to 5 carbon atoms, carbamoyl, a mono- or di- alkylcarbamoyl whose alkyl moiety has 1 to 4 carbon atoms or carbamoyloxymethyl, ortheir hydroquinone-form compounds, or pharmaceutically acceptable salts thereof, have useful physiological activities such as antiasthmatic and antiallergic activities.
Abstract:
A mammal suffering from allergic disease due to SRS-A, such as skin symptoms, asthma, rhinitis, etc. is treated by administering to said mammal an effective amount of a compound of the formula: ##STR1## wherein R is methoxy or methyl, or two R's taken together represent --CH.dbd.CH--CH.dbd.CH--; and n is an integer of 4 to 22.
Abstract:
New quinone compounds of the formula: ##STR1## wherein R.sup.1 is methyl or methoxy, or the two R.sup.1 groups jointly represent --CH.dbd.CH--CH.dbd.CH--; X is --CH.dbd.CH-- or --C.dbd.C--; Y.sup.1 is hydrogen, hydroxyl, carboxyl, cyano, acyloxy or --COZ in which Z is amino which may be substituted; m is zero or an integer of 1 to 3; n is zero or an integer of 1 to 10; n' is an integer of 1 to 5; k is an integer of 1 to 3; and when k is 2 or 3, n' is optionally variable within the range of 1 to 5 in each occurrence of the --X--(CH.sub.2).sub.n' group; and their hydroquinone forms and salts, have useful physiological activities such as antiasthmatic, antiallergic and bloodpressure decreasing activities.
Abstract:
Quinone derivatives of the general formula: ##STR1## (wherein R.sup.1 and R.sup.2 are the same or different, and independently are a hydrogen atom or a methyl or methoxy group, or R.sup.1 and R.sup.2 combine with each other to represent --CH.dbd.CH--CH.dbd.CH--; R.sup.3 is a hydrogen atom or a methyl group; R.sup.4 is an aliphatic, aromatic or heterocyclic group which may be substituted; R.sup.5 is a methyl or methoxy group, a hydroxymethyl group which may be substituted or a carboxyl group which may be esterified or amidated; Z is a group represented by --C.tbd.C--, --CH.dbd.CH--, ##STR2## n is an integer of 0 to 10; m is an integer of 0 to 3; k is an integer of 0 to 5, provided, however, that in the case of m being 2 or 3, Z and k can vary arbitrarily within the bracketed repeating units) are novel compounds, possess metabolism ameliorating action for polyunsaturate fatty acids, particularly production inhibitory activity of lipid peroxides (antioxidant activity), thromboxane A.sub.2 receptor antagonism, or production inhibitory activity of 5-lipoxygenase metabolites in mammals, and of use as drugs, such as antiasthmatic, antiallergic agent and cerebral-circulatory metabolism ameliorating agent.
Abstract:
Quinone derivatives of the general formula: ##STR1## (wherein R.sup.1 and R.sup.2 are the same or different, and independently are a hydrogen atom or a methyl or methoxy group, or R.sup.1 and R.sup.2 combine with each other to represent --CH.dbd.CH--CH.dbd.CH--R.sup.3 is a hydrogen atom or a methyl group; R.sup.4 is an aliphatic, aromatic or heterocyclic group which may be substituted; R.sup.5 is a methyl or methoxy group, a hydroxymethyl group which may be substituted or a carboxyl group which may be esterified or amidated; Z is a group represented by --C.dbd.C--, --CH.dbd.CH--, ##STR2## n is an integer of 0 to 10; m is an integer of 0 to 3; k is an integer of 0 to 5, provided, however, that in the case of m being 2 or 3, Z and k can vary arbitrarily within the bracketed repeating units) are novel compounds, possess metabolism ameliorating action for polyunsaturated fatty acids, particularly production inhibitory activity of lipid peroxides (antioxidant activity), thromboxane A.sub.2 receptor antagonism, or production inhibitory activity of 5-lipoxygenase metabolites in mammals, and of use as drugs, such as antiasthmatic, antiallergic agent and cerebral-circulatory metabolism ameliorating agent.
Abstract:
A compound of the formula ##STR1## wherein R is a lower alkyl group, R.sup.0 is hydrogen or an acyl group, R.sup.1 and R.sup.2 are lower alkyl groups which may optionally be substituted or wherein R.sup.1 and R.sup.2 are combined to form a butadienylene group which may optionally be substituted, R.sup.3 and R.sup.4 are hydrogen or alkyl groups which may optionally be substituted or wherein R.sup.3 and R.sup.4 are combined to form a polymethylene group, and R.sup.5 is a lower alkyl, aromatic or heterocyclic group which may optionally be substituted or a pharmaceutically acceptable salt thereof, exerts cardiovascular system improving action and antiallergic action and can be used as pharmaceutics, e.g. antithromotics, antiallergic agents etc.
Abstract:
Novel compounds of the formula: ##STR1## wherein R.sup.1 stands for an optionally substituted alkyl group, alkenyl group, aryl group, aralkyl group, cycloalkyl group, heterocyclic group having carbon as the bonding hand or amino group, R.sup.2 stands for a pyridyl group which may be substituted with alkyl group, and R.sup.3 stands for an optionally substituted aryl group or salts thereof, have analgesic, anti-piretic, anti-inflammatory and anti-ulcer actions, and can be administered to mammals for the therapy of pain, inflammatory diseases, rheumatic chronic diseases.
Abstract:
Quinone derivatives represented by the general formula ##STR1## (wherein, R.sup.1 and R.sup.2, the same or different, refer to hydrogen atom, methyl or methoxymethyl group, or R.sup.1 and R.sup.2 bind together to form --CH.dbd.CH--CH.dbd.CH--; R.sup.3 is hydrogen atom or methyl group; R.sup.4 is nitrogen-containing heterocyclic group which may be substituted; R.sup.5 is hydrogen atom, methyl group, hydroxymethyl group which may be substituted, or carboxyl group which may be esterified or amidated; Z is ##STR2## (wherein, R' is hydrogen atom or methyl group); n is an integer from 0 through 12, m is an integer from 0 through 3, and k is an integer from 0 through 7, providing that, when m is 2 or 3, Z and k are able to vary appropriately in the repeating unit shown in []), and the hydroquinone derivatives thereof, are novel compounds, possess improvement effects of metabolism of poly unsaturated fatty acids, particularly two or more of inhibition of production of fatty acid peroxides, inhibition of production of metabolites in 5-lipoxygenase pathway, inhibition of thromboxane A.sub.2 synthetase, thromboxane A.sub.2 receptor antagonism and scavenging action of active oxygen species, and of use as drugs, such as antithrombotics, anti-vascular constriction agents, anti-asthma agent, antiallergic agents, therpeutics for psoriasis, agents for improvement in heart, brain and cardiovascular systems, therapeutics for nephritis, active oxygen-eliminating agents, anticancer agents, agents for improvement of control of arachidonate cascade products, etc.
Abstract:
Novel compounds of the formula: ##STR1## wherein R.sup.2 is an aromatic or heterocyclic group, which may optionally be substituted, R.sup.2 is a methyl group, a hydroxymethyl group, a nitroxymethyl group, a formyl group, a nitrogen-containing five-membered ring-methyl group, an acetal-methyl group, a trialkylsilyloxymethyl group, an alkyl- or aryl-sulfonyloxymethyl group, an alkyl- or aryl-sulfonylaminocarbonyloxymethyl group, an acyloxymethyl group, an alkoxycarbonyloxymethyl group, a halogenomethyl group, an alkoxymethyl group, an aryloxymethyl group, a cyano group, a carbamoyl group which may optionally be substituted, a carbamoyloxymethyl group which may optionally be substituted, a thiocarbamoyloxymethyl group which may optionally be substituted, and an alkoxycarbonyl group, n is an integer of 1 to 20, and ##STR2## provided that n is an integer of 9 to 20 when ##STR3## and, at the same time, R.sup.2 is a carboxyl group or an alkoxycarbonyl group, or a pharmacologically acceptable salt thereof, have a selective inhibitory action on biosynthesis of thromboxane A.sub.2 (TXA.sub.2) and an effect of enhancing the production of prostaglandin I.sub.2 (PGI.sub.2), and can be used for mammals to prevent and treat arterial thrombosis caused by platelet aggregation or ischemic diseases caused by vasospasms in cardiac, cerebral and peripheral circulatory system (e.g. cardiac infarction, stroke, occlusion of blood vessels in kidney, lung and other organs, pectic ulcer, etc.).
Abstract:
A manufacturing method of a semiconductor device, comprises; a process of heat-treating a semiconductor substrate under the ordinary pressure and in an oxidizing atmosphere; and a process of heat-treating the semiconductor substrate under the ordinary pressure and in an inert atmosphere, wherein heat-treating time or heat-treating temperature in heat treatment in the oxidizing atmosphere is changed based on the fluctuation of atmospheric pressure, and the heat-treating time in the inert atmosphere is determined based on the heat-treating time or the heat-treating temperature in the oxidizing atmosphere.