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JPH06509466A |
In addition to virions, herpesvirus-infected cells produce non-infectious particles, termed L-particles, which consist of tegument surrounded by envelope but lack the nucleocapsid. L-particles of a herpesvirus can be prepared substantial...
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JPH0684316B2 |
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JPH0678248B2 |
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JPH06279321A |
PURPOSE: To provide a new liquid crystal compound having physical and chemical stability, exhibiting stable nematic phase and having small refractive index anisotropy and low viscosity. CONSTITUTION: The compound of formula I [R1 is (sub...
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JPH0674219B2 |
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JPH0667468B2 |
Increased stability is conferred on oil-in-water emulsions of perfluorocarbons by addition of a minor (0.1-5% w/v) amount of a fluorinated compound of higher bailing point than the perfluoracarbon being emulsified. The added fluorinated ...
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JPH06239775A |
PURPOSE: To obtain a stable and low-viscosity new liquid crystal compound high in physicochemical stability. CONSTITUTION: The objective compound of formula I [R is l-10C alkyl; Q is single bond, (thio)ether linkage or (thio)carbonic est...
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JPH06219979A |
PURPOSE: To provide novel compounds useful for liquid crystal display elements, electrooptical display elements and a matrix liquid crystal display containing a specific medium. CONSTITUTION: A compound of formula I [wherein R represents...
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JPH0647562B2 |
A substituted tetrahydroindane defined according to the structure: wherein Z is a moiety selected from the group consisting of: wherein X is chloro or bromo; wherein R1 represents a moiety selected from the group consisting of: -OR3 and ...
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JPH0629200B2 |
Pesticidal compounds of formula I RACR3=CR4CHDRBI in which formula: RA represents a group ArCR1R2-in which Ar represents a phenyl or naphthyl group optionally substituted by one or more halogen, alkoxy, haloalkoxy, methylenedioxy, C1-C6 ...
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JPH0623158B2 |
The present invention relates to a catalyst which comprises a vanadium oxide, a chromium oxide, a molybdenum oxide and a boron oxide supported on a silica carrier. This catalyst is suitable for use in the production of aromatic nitriles ...
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JPH0624720A |
PURPOSE: To efficiently produce a fluorinated fullerene useful as a lubricating material, etc., in a short time by reacting a 60C-98C fullerene having a closed shell structure with a fluorine gas in the presence of hydrogen fluoride. CON...
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JPH0582375B2 |
A fully-fluorinated and fully saturated fluorocarbon, containing at least two condensed or non-condensed six-membered rings, seventeen carbon atoms and from 28 to 32 (inclusive) fluorine atoms in its molecule, and having a boiling point ...
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JPH05301829A |
PURPOSE: To obtain a liquid monomer and an oligomer capable of providing an arylcyclobutene based polymer of a highly heat resistant insulating material having low thermal expansion property without using a solvent having danger of ignit...
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JPH05279279A |
PURPOSE: To provide the subject new compound exhibiting a low elastic coefficient and a low anisotropy of refractive index and useful as an electro-optic liquid crystal display material, etc. CONSTITUTION: A compound of formula I [R1 is ...
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JPH05255149A |
PURPOSE: To obtain the subject compound at a low temperature by bringing dihalo-tetrafluoro-p-xylene into contact with a reducing agent containing titanium. CONSTITUTION: Dihalo-tetrafluoro-p-xylene is brought into contact with a reducin...
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JPH05506648A |
Azeotrope-like blends are disclosed comprising effective amounts of 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1-difluoroethane (HFC-152a) and a halocarbon selected from the group consisting of 2-chloro-1,1,1,2-tetrafluoroethane (HCFC-124),...
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JPH05202021A |
PURPOSE: To produce a tricyclic compound useful as an synthetic intermediate for producing medicines by a new and simple method. CONSTITUTION: A compound of formula I [R1 to R3 are H, alkyl, halogen, NO2, CN, CF3, alkoxy, carboxy, CONR5R...
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JPH05504951A |
Azeotropic mixtures of perfluoro-dimethylcyclobutane with dichlorotrifluoroethane, are useful in solvent cleaning applications, and as refrigerants, aerosol propellants and polymer blowing agents.
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JPH05504958A |
Azeotropic mixtures of perfluoro-1,2-dimethylcyclobutane, methanol and either 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane, are useful in solvent cleaning applications, and as refrigerants, aerosol propellants and polymer blowi...
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JPH05186474A |
PURPOSE: To provide a new compound useful for highly electrically conductive organic charge transfer complexes etc. CONSTITUTION: The objective compound of formula I (X is chalcogen atom), e.g. phenanthro [1, 10-cd:8, 9-c'd']bis[1, 2]-di...
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JPH05170679A |
PURPOSE: To provide the subject compound having a low viscosity, stable to light and useful for producing a rapid-response liquid crystal composition. CONSTITUTION: Compounds of formula I [A1 to A4 are a trans-1,4-disubstituted cyclohexy...
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JPH05125002A |
PURPOSE: To obtain a new fluorine-substituted cyclohexane derivative having low viscosity and high crystallizability, useful as a material for liquid crystal display element, producible a ferroelectric liquid crystal composition capable ...
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JPH05501252A |
This invention concerns a process for preparing fluoroalkyl substituted olefins, fluorinated ketones and fluorinated aromatic compounds by the catalyzed reaction of fluoroalkylsilanes with selected fluorinated olefins, acyl fluorides and...
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JPH0558926A |
PURPOSE: To obtain a new cyclohexane compound useful as a component for a liquid crystal material capable of actualizing high-speed response. CONSTITUTION: A compound shown by formula I [[A and B are 1,4-phenylene (one or two CHs may be ...
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JPH0547033A |
PURPOSE: To provide the information recording medium which decreases the jitters after recording to lower the appearance rate of the jitters in spite of the off-standard jitters, is improved in the threshold performance of a substrate an...
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JPH05500672A |
A halocarbon product made from the reaction of excess hydrogen fluoride with a halocarbon, containing excess hydrogen fluoride as an azeotrope is purified by fluorination in the presence of additional halocarbon or halo-olefin.
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JPH05500204A |
PCT No. PCT/EP90/00513 Sec. 371 Date Jun. 15, 1990 Sec. 102(e) Date Jun. 15, 1990 PCT Filed Mar. 31, 1990 PCT Pub. No. WO90/12073 PCT Pub. Date Oct. 18, 1990.Disclosed are trifluoromethylcyclohexane derivatives of the formula I wherein R...
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JPH059466A |
PURPOSE: To provide the title mixture which has a low ozone depletion potential, is noncombustible or slightly combustible, and us useful as a refrigerant, a blowing agent, or a propellant by mixing specific compds. CONSTITUTION: The tit...
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JPH04363381A |
PURPOSE: To provide a solvent composition that is a replacement for chlorofluorocarbons and has a low ozone depletion potential. CONSTITUTION: This composition comprises three components: (a) an organic liquid free from fluorine selected...
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JPH04342538A |
PURPOSE: To obtain a monomeric polyvinyl compd. and/or its oligomer useful as an intermediate of a crosslinker or a comonomer for a resin compsn. or a coating compsn. by the metathesis of norbornene at a high rate of conversion with high...
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JPH04275244A |
PURPOSE: To obtain a new difluorocyclohexane compound useful as a component of liquid crystal material capable of realizing high-speed response. CONSTITUTION: A compound (e.g. 4-(trans-4-nonyl-3,3-difluorocyclohexyl)-1- octyloxybenzene) ...
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JPH04228588A |
PURPOSE: To obtain desired fluoride at a high yield by converting tetrafluorocyclobutane to octafluorocyclobutane to a desirable extent by a Simons electrolytic fluorination method. CONSTITUTION: A soln. of a part of the 1,1,2,2-tetraflu...
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JPH04504565A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPH04210930A |
PURPOSE: To provide new 1,1-bicyclo-substituted fluorine-containing cyclopentanes useful as intermediates for active compounds and polymers such as, in particular, polycarbonates, polyesters and polyester carbonates. CONSTITUTION: A comp...
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JPH04211028A |
PURPOSE: To produce high melting hexabromocyclododecane product useful as a noncombustible agent by the selective recovery of hexabromocyclododecane of a preferred isomer ratio. CONSTITUTION: (1) Bromine and cyclododecartriene are mixed ...
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JPH04211622A |
PURPOSE: To enhance product yield, by controlling the excess bromine in the reaction of bromine with cyclododecatriene. CONSTITUTION: Initial and additional amounts of bromnine and cyclododecatriene are controlled in such a way that a re...
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JPH0432803B2 |
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JPH0430382B2 |
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JPH04139138A |
PURPOSE: To obtain the subject compound useful as an intermediate for fluorine- containing compounds from the corresponding alkene in relatively good yield with a high efficiency by using hydrofluoric acid as a fluorine source in a water...
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JPH0489434A |
PURPOSE: To inexpensively produce a halofluoro compound useful as a precursor of fluoroalkene in good position selectivity by treating an alkene with a dihydrogenated trifluorinated quaternary ammonium together with a halonium ion genera...
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JPH0410453B2 |
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JPH0449258A |
PURPOSE: To obtain the title coloring matter easy to handle, little in the variation of solvent content with stable quality by refluxing a nonionic cyanine coloring matter intramolecularly neutralized electric charge thereof in a solvent...
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JPH04500663A |
Molecular bulding beams, liquid crystals, and surfactants in the form of compounds based on [1.1.1]propellane, including poly[1.1.1]propellanes. Molecular building beams having a telomeric or polymeric chain staff, and linking groups fun...
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JPH0375537B2 |
Novel compositions of matter are disclosed; perfluoro-1,1-di(orthoxylyl) methane perfluoro-1,1-di(orthoxylyl) ethane and perfluoro-1,1-di(orthoxylyl) propane. The compositions are made by cobalt trifluoride fluorination of 1,1-di(orthoxy...
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JPH0363534B2 |
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JPH03151331A |
PURPOSE: To exchange, with high activity and high selectivity, a halogen other than fluorine for fluorine in organic compounds, by using hydrogen fluoride in the presence of a Cr-free catalyst system comprising a bismuth/alkaline earth m...
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JPH03151336A |
PURPOSE: To produce the subject compound useful as intermediates for plastic precursor, by reacting hexachlorocyclopentadiene as a starting material with hydrogen fluoride over a catalyst in the presence of Cl2 in the gaseous phase. CONS...
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JPH03126472A |
PURPOSE: To eliminate the problems of pollution and to enhance stability by compounding a mixture composed of octafluorocyclobutane and difuroethane to a reinforcing liquid, mechanically producing bubbles contg. a wetting agent, etc., th...
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JPH03106832A |
PURPOSE: To obtain a mixture of the subject isomers rich in exo isomer capable of further improving the heat-resistance and mechanical strength of a cycloolefin random copolymer by contacting an endo isomer of the subject compound with a...
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