摘要:
Phenoxyalkylcarboxylic acid derivatives represented by the following formula (I) ##STR1## having a strong and selective leukotriene antagonistic action and useful for prophylaxis and therapy of allergic diseases as asthma and processes of preparing the same.
摘要:
A thermal stencil sheet assembly of the type having an annular frame made of a cardboard and a thermal stencil sheet attached to one face of the frame as fixed thereto along an entire peripheral portion thereof with or without an ink pressing sheet made of an ink impermeable sheet attached to another face of the frame, wherein the frame is assembled of a first frame element made of a relatively thin sheet material and a second frame element made of a cardboard, the two frame elements being detachably and reattachably bound together by a slippery surface provided on the first frame element being attached to a layer of a sticky binding material provided on the second frame element.
摘要:
A stuffed toy with a heater is disclosed, which comprises a cover configured to resemble a predetermined object and a latent heat storage material disposed in the stuffing in the cover. When the latent heat storage material is heated it undergoes a transition from the solid phase to the liquid phase and stores a heat of dissolution. When it undergoes transition from the liquid phase to the solid phase, it gives off heat so as to maintain the temperature of the toy relatively constant for long periods of time.
摘要:
A novel process for manufacturing 16-substituted .DELTA..sup.7 -prostaglandin Es, which include compounds expressed by the following formula (I), their enanantiomers, or their mixtures of arbitrary mixing ratio, ##STR1## wherein R.sup.1 indicates COOR.sup.2, CH.sub.2 OR.sup.3, or COCH.sub.2 OR.sup.3, in which R.sup.2 indicates a hydrogen atom, a substituted or unsubstituted C.sub.1 -C.sub.10 alkyl group, a substituted or unsubstituted C.sub.3 -C.sub.10 cycloalkyl group, or a substituted or unsubstituted phenyl group, and R.sup.3 indicates a hydrogen atom, a tri(C.sub.1 -C.sub.7) hydrocarbon silyl group, a group which forms an acetal bond together with the oxygen atom of a hydroxyl group, or a C.sub.2 -C.sub.7 acyl group; R.sup.4 and R.sup.5 are identical or different, each representing a hydrogen atom, a tri(C.sub.1 -C.sub.7) hydrocarbon silyl group, or a group which forms an acetal bond together with the oxygen atom of a hydroxyl group; R.sup.6 indicates a hydrogen atom, a C.sub.1 -C.sub.4 alkyl group, or a vinyl group; R.sup.7 indicates a linear or branched C.sub.3 -C.sub.8 alkyl group, an alkyenyl group, or an alkynyl group, which may contain an oxygen atom; a phenyl group, a phenoxy group, or a C.sub.3 - C.sub.10 cycloalkyl group, which may be substituted; or a linear or branched C.sub.1 -C.sub.5 alkyl group which is substituted by a C.sub.1 -C.sub.6 alkoxy group, a phenyl group, a phenoxy group, or a C.sub.3 -C.sub.10 cycloalkyl group, which may be substituted; and Y indicates CH.sub.2 X or XCH.sub.2, in which X represents an ethylene group, a cis -or trans-vinylene group, or an ethynylene group.
摘要:
Dimethylaminomethyl copper phthalocyanine and/or its derivative represented by the general formula, ##STR1## wherein CuPc represents a copper phthalocyanine residue, X represents a hydrogen atom, a halogen atom, the group --SO.sub.3 H or the group --CH.sub.2 OH, and m and n independently represent an integer of 1 to 4,and containing only small amounts of by-products is produced by a process comprising reacting aminomethyl copper phthalocyanine and/or its derivatives represented by the general formula ##STR2## wherein CuPc, X, m and n are as defined above, with formic acid and a formaldehyde-generating substance at a temperature of 130.degree. to 150.degree. C. under a pressure of 3 to 10 kg/cm.sup.2 (gauge).
摘要翻译:二甲基氨基甲基铜酞菁和/或其衍生物由下式表示,其中CuPc表示铜酞菁残基,X表示氢原子,卤素原子,-SO 3 H基或-CH 2 OH基,m 并且n独立地表示1〜4的整数,仅含有少量副产物的方法包括使氨基甲基铜酞菁和/或其通式(II)表示的衍生物反应,其中CuPc,X ,m和n如上所定义,在130〜150℃的温度下,在3〜10kg / cm 2(表压)的压力下与甲酸和产生甲醛的物质接触。
摘要:
Novel 5-alkylidene-2-halo-4-substituted-2-cyclopentenone and process for production thereof. The novel 5-alkylidene-2-halo-4-substituted-2-cyclopentenones are represented by the following formula (I): ##STR1## wherein R.sub.a represents a substituted or unsubstituted aliphatic hydrocarbon group having 1 to 12 carbon atoms or a substituted or unsubstituted phenyl group, R.sub.b represents a substituted or unsubstituted aliphatic hydrocarbon group having 1 to 12 carbon atoms, and X represents a halogen atom. The novel cyclopentenones possess excellent pharmaceutical activities including anti-tumor activity, antiviral activity and antimicrobial activity.
摘要:
A check circuit for checking operation of timers of a digital type combustion process control apparatus comprises flip-flops each having a preset terminal. The preset state of the flip-flops is inverted by an operation starting signal. The inversion is detected by a detector circuit the output signal of which is utilized for driving the control circuits for a combustion apparatus. The detector circuit is composed of a flip-flop circuit having input terminals applied with the operation initiating signal and the inverted output signal from the timer circuit.
摘要:
Novel 1-substituted-3-acylpyrrole derivatives of the formula ##STR1## wherein all symbols are as defined in the specification; and platelet aggregation inhibiting agents comprising them as active ingredients. These novel 1-substituted-3-acylpyrrole derivatives are prepared by condensing the corresponding 1-substituted pyrrole derivatives with the corresponding acylating agents in the presence of acid catalysts, and if desired, subjecting the products to oxidation, hydrolysis, amidation or acetal-forming reaction. These 1-substituted-3-acylpyrrole derivatives exhibit unique properties in that they have superior platelet aggregation inhibiting actions with low antiinflammatory activity.
摘要:
A safety test circuit for a combustion control apparatus. This safety test circuit is used to check the off-failure of a safety transistor actuating a safety relay which acts to stop the operation of controlled units in the event of mal-combustion or the like, and also to check the on-failure of a control transistor actuating a control relay which controls the controlled units. An operation instruction signal and the collector potential of the safety transistor are applied to a logic circuit including a flip-flop and logic gates so that the off-failure of the safety transistor can be driven to check, utilizing the electrical signal propagation delay time of the elements constituting the logic circuit, before the propagation delay time has elapsed. The logic circuit is also used for similarly checking the on-failure of the control transistor. A check signal may be additionally applied to the logic circuit so that these transistors can be tested during the continuous operation of the combustion control apparatus.
摘要:
A process for preparing cyclopent-2-en-1-one derivatives of the formula ##STR1## wherein R.sub.1 is a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group, andR.sub.2 is a hydrogen atom or a substituent which is not substantially brominated under the treating conditions, which comprises treating a cyclopentanone derivative of the formula ##STR2## wherein R.sub.1 and R.sub.2 are the same as defined above, with pyridinium hydrobromide perbromide.