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JPH0459756A |
PURPOSE: To produce the subject compound by oxidizing a benzene-based hydrocarbon having a secondary alkyl substituent with molecular oxygen in the presence of a catalyst comprising a transition metal compound, a halide and an amine in a...
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JPH046703B2 |
In the preparation of tertiary-butyl hydroperoxide by the direct oxidation of isobutane, the production of tertiary-butyl hydroperoxide, expressed as the quantity of the compound prepared per unit of reactor volume per unit of time, is e...
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JPH0429968A |
NEW MATERIAL:A chalcone compound expressed by the formula (xanthoangelol E). USE: A medicine having inhibitory action on H+ and K+ adenosine triphosphatase and antitumor action on tunica mucosa ventriculi. PREPARATION: An ethyl acetate e...
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JPH0426671A |
PURPOSE: To simply and efficiently decolor and purify the subject solution by irradiating light on the cumene hydroperoxide solution obtained by the oxidation of cumene with molecular oxygen. CONSTITUTION: Cumene is oxidized with molecul...
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JPH0418067A |
PURPOSE: To easily obtain the title compound as e.g. an intermediate for synthesizing phenols through e.g. the cumene process by oxidizing a secondary or tertiary alkyl group-contg. compound and adding a specific basic compound to the re...
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JPH049365A |
NEW MATERIAL:1-Phenylcyclohexyl peroxy-2-ethylhexanoate or formula. USE: An active component for a polymerization initiator of vinyl monomer. It has extremely short decomposition half life compared with a peroxide derived from known 2-et...
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JPH03294263A |
PURPOSE: To obtain the title composition useful as a radical-polymerizing agent having excellent storage stability, comprising an organic peroxide containing a specific carboxylic group, a diluent and a given amount of a specific compoun...
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JPH03255065A |
NEW MATERIAL:An organic peroxide expressed by the formula (R is H or methyl). EXAMPLE: tert-Hexyl peroxybenzoate. USE: Useful as an active component of a polymerization initiator for vinyl monomers and crosslinking agent for polymers. Th...
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JPH03252413A |
PURPOSE:To provide the subject new polymer composed of two specific kinds of constituent units alternately bonded at random, producible easily, having high safety and stability, highly soluble in vinyl monomers and useful as a polymeriza...
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JPH0369900B2 |
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JPH03240770A |
PURPOSE: To recover purified di-tertiary butyl peroxide, by distilling a mixture of di-tertiary butyl peroxide and tertiary butyl alcohol, separating an azeotrope as a lighter distillate and extracting the azeotrope with water. CONSTITUT...
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JPH03240771A |
NEW MATERIAL:Compounds of the formula (R is 5-10C tertiary alkyl or 9-12C tertiary aralkyl). EXAMPLE: Di-t-amylperoxycamphorate. USE: A polymerization initiator. An organic peroxide having two peroxy groups having different comparatively...
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JPH0368019B2 |
Disclosed herein are methyl 2-(2-hydroperoxy-2-propyl)naphthalene-6-carboxylate represented by the formula (I): (I) and a process for producing the compound represented by the formula (I) at a high purity and in a high yield.
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JPH03236370A |
PURPOSE: To safely obtain a compound useful as a polymerization initiator or a raw material of agricultural and medical drug in a short time in high yield by reacting chlorodifluoroacetic anhydride, hydrogen peroxide and a specific catal...
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JPH03227968A |
NEW MATERIAL:A bifunctional peroxyester expressed by formula I (R is 1-5C alkyl or phenyl). USE: Useful as a radical polymerization initiator for vinyl monomer which is a polymer initiator capable of exhibiting remarkable effects on high...
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JPH03227969A |
NEW MATERIAL:α,α'-Bis(neohexanoylperoxy)-diisopropylbenzene. USE: Useful as a radical polymerization initiator, especially suitable for polymerization of vinyl chloride. The above-mentioned compound enables shortening of polymerization...
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JPH03215468A |
PURPOSE: To purify the subject compound useful as a polymerization initiator, etc., in high efficiency, by reacting an olefin or an alcohol with a strong acid and hydrogen peroxide and washing the obtained crude hydroperoxide with a spec...
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JPH03212404A |
PURPOSE:To provide a polymer crosslinking agent capable of not producing methyl radical to prevent the foaming of molded products and the deterioration of environment by employing a specific organic peroxide as an active ingredient. CONS...
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JPH0360322B2 |
A photopolymerization initiator having as an active component thereof a benzophenone group-containing polyperoxyester represented by the general formula: …… wherein R1 and R1 min independently stand for a tertiary alkyi group of 4 to...
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JPH0357886B2 |
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JPH03190856A |
PURPOSE: To obtain in high yield the title hydroperoxide with hydrogen peroxide virtually removed, by washing with an ammonium sulfate aqueous solution of specified concentration a crude hydroperoxide produced by reaction of e.g. an olef...
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JPH0354656B2 |
In the direct oxidation of isobutane with molecular oxygen at moderate isobutane conversion levels (up to about 20%) in a reaction mixture maintained at a pressure greater than its critical pressure and at a temperature in the range from...
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JPH0353300B2 |
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JPH0352454B2 |
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JPH0351664B2 |
An oil-in-water emulsion of an insoluble organic peroxide that is solid at 20 DEG C, having an average particle size of 1.5 microns or less and comprising a hydrocarbon solvent, having a high kauri-butanol number if the organic peroxide ...
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JPH0351703B2 |
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JPH0350751B2 |
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JPH03173847A |
NEW MATERIAL: A precursor compound for a bleaching agent of formula I (A means alkylene, alkenylene, alkynylene, cycloalkylene, alkarylene, arylene, etc., and contains 1-12C; the hydrocarbyl moiety of X is different from the hydrocarbyl ...
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JPH03169831A |
PURPOSE: To obtain the subject compound by reacting an alkane and a hydroxyperoxide with a catalyst of a transition metal compd. such as dicyanobis-1,10-phenanthrolene iron (II) or the like. CONSTITUTION: In the reaction of an alkane of ...
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JPH0345063B2 |
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JPH0337530B2 |
A process for the catalytic oxidation of liquid cycloparaffins to oxidation products thereof is disclosed. In the process, partial oxidation products are formed by oxidizing the cycloparaffin with molecular oxygen-containing gas in the p...
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JPH03130260A |
NEW MATERIAL:A benzoyl group-containing dialkyl peroxide shown by formula I [R1 is 4-8C tertiary alkyl or α-cumyl; R2 and R3 are 1-4C alkyl; R4 is R1 OOC(R2)(R3) replaced at m- or p-position or H; (n) is 1-3]. EXAMPLE: 1-Phenyl-2-t-buty...
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JPH03122564A |
PURPOSE: To analyze peroxide having a peroxy ester bond with high accuracy by adding an alcoholic solution of KOH to org. peroxide represented by a specific formula and adding acetic acid and alkali iodide thereto to form iodine and titr...
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JPH03112960A |
NEW MATERIAL: Amide acid or circular imide compound stable in the reaction with a circular acid anhydride, can be formed. A peroxide compound having at least two carbon atoms between a reactive amino or hydrazino functional group and a p...
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JPH0399057A |
PURPOSE: To selectively obtain the subject compound by carrying out a reaction in the presence of an alkylamine acetic acid in the case wherein an aromatic hydrocarbon having two or more secondary alkyl groups in the molecule is oxidized...
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JPH0395155A |
NEW MATERIAL:A compound of the formula (R1, R2 and R3 are 1-9C alkyl, the total carbon number of R1, R2 and R3 are 3-11). EXAMPLE: 1-Phenylcyclohexylperoxyneodecanoate. USE: A polymerization initiator for vinylic monomers, especially vin...
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JPH0393779A |
PURPOSE: To inhibit precipitation of Mo catalyst in epoxidation, by treating a heavier distillation fraction which is the reaction product of isobutane with oxygen and is a starting material in epoxidation of olefin, to remove acidic con...
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JPH0327532B2 |
Therapeutic alcoholic gel compositions for treating acne containing micronized benzoyl peroxide and dioctyl sodium sulfosuccinate having greater shelf life and stability.
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JPH0386859A |
NEW MATERIAL:The compound of formula (A is CH2-CH2 or C≡C). EXAMPLE: [2,5-Dimethyl-2,5-di[(O-benzoyl)benzoylperoxy]hexyne-3. USE: A photo-polymerization initiator and crosslinking agent. PREPARATION: The objective compound of formula c...
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JPH0374364A |
PURPOSE: To recover and re-utilize unreacted tert.-butylhydroperoxide by treating a reaction liquid containing epichlorohydrins synthesized from allyl chlorides and tert.-butylhydroperoxide using a substance in a reaction system. CONSTIT...
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JPH0366665A |
PURPOSE: To obtain a clathrate useful as crosslinking agent, radical reaction initiator, catalyst or curing agent, etc., comprising organic peroxide as a guest compound and at least one of natural and modified cyclodextrin as a host comp...
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JPH0366666A |
PURPOSE: To make possible to industrially advantageously obtain the subject compound with recovering and reusing unreacted substance by distilling residual solution of epoxidizing reaction of allyl chlorides and t-butyl hydroperoxide in ...
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JPH0321024B2 |
Di(acylperoxy)-bis-carbonates of the formula: wherein each R is selected from alkyl and aryl of up to about 20 carbon atoms. The new molecules have exceptional thermal stability, which facilitates storage at ambient temperatures. They ha...
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JPH0334945A |
PURPOSE: To preferentially remove water-soluble acidic impurities harmful to subsequent operation by recovering a water extract component and a raffinate after bringing a crude mixture obtained by reacting isobutane with oxygen into cont...
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JPH038340B2 |
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JPH038341B2 |
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JPH0317122A |
PURPOSE: To obtain the subject copolymer excellent in mechanical properties such as strengths and rigidity and desirable for fibers, films, etc., by forming a polycondensate comprising a plurality of types of structural unit. CONSTITUTIO...
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JPH034545B2 |
The invention relates to the preparation of dilute solutions of aliphatic carboxylic peracids. In a first step, a concentrated solution of aliphatic peracid is prepared from the corresponding acid or anhydride and concentrated hydrogen p...
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JPH0311058A |
PURPOSE: To efficiently obtain the subject compound which is a raw material, etc., for producing cresol in high selectivity for a short time by bringing sec- butyltoluene into contact with a molecular oxygen-containing gas in the presenc...
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JPH0311055A |
PURPOSE: To efficiently obtain the subject compound which is a raw material, etc., for producing cresol in high selectivity for a short time by bringing sec- butyltoluene into contact with a molecular oxygen-containing gas in the presenc...
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