| Document |
Document Title |
|
JPH05117169A |
PURPOSE: To obtain a compound useful as an inhibitor to serine protease or thiol protease by reacting a diazo methyl ketone of a specific formula with a metal chloride in the presence of an alcohol. CONSTITUTION: A compound of formula I ...
|
|
JPH0529334B2 |
|
|
JPH0585946A |
PURPOSE: To obtain a mixture which contains a sufficient amt. of less brominated homologs and simultaneously has a high average bromine number by adding bromine to a reactor contg. a reactant contg. a solvent, bromination catalyst and no...
|
|
JPH0522721B2 |
|
|
JPH0571720A |
PURPOSE: To increase the processing capacity of a furnace by dispersing fluid refuse having a low heat generation rate into the flame of an oxygen/fuel burner and burning it in the flame while confining the front of the flame within an i...
|
|
JPH0514702B2 |
|
|
JPH059416B2 |
A polyfluoroiodide is produced by reacting an acid halide of a polyfluorocarbon in a perhalogenated solvent with I2 and at least one salt selected from the group consisting of an alkali metal carbonate and an alkaline earth metal carbonate.
|
|
JPH05379B2 |
|
|
JPH0481579B2 |
|
|
JPH0472815B2 |
|
|
JPH0470294B2 |
|
|
JPH04244049A |
PURPOSE: To synthesize organic fluorinated compounds in a safe condition at a comparatively low temperature while maintaining improved exchange yield by using an ultrasonic wave for halogenated derivatives and then profitably carrying ou...
|
|
JPH04230638A |
PURPOSE: To halogenate an active methylene compound without using a halogenous solvent without causing environmental problems. CONSTITUTION: An active methylene compound is halogenated with a sulfuryl halide by using at least one solvent...
|
|
JPH0441129B2 |
|
|
JPH0437808B2 |
A method for preparing diaryl iodonium salts represented by the formula: [Ar1 - I<(+)> - Ar2] HSO4<(-)> wherein Ar1 and Ar2 may be the same or different and each is an aryl group which may be substituted with an electron donor group, the...
|
|
JPH0425065B2 |
|
|
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...
|
|
JPH0410454B2 |
|
|
JPH0454133A |
PURPOSE: To produce the title substance useful as an intermediate for medicine, agricultural chemical, dye, etc., under mild conditions by subjecting neophyl chlorides to halogen interchange reaction with a metal bromide such as NaBr in ...
|
|
JPH04500071A |
A terminally chlorinated normal alkane hydrocarbon is produced at high terminal selectivity, by adsorbing a normal alkane into a select zeolite and chlorinating the adsorbed alkane in the zeolite. The zeolite may be of a type having inte...
|
|
JPH03291241A |
PURPOSE: To obtain the title compound useful as an intermediate for agricultural chemical in high purity and in high yield while suppressing formation of by- products, by reacting a p-substituted phenol and/or a 2-chloro-4-substituted ph...
|
|
JPH0363543B2 |
|
|
JPH03188029A |
PURPOSE: To profitably prepare the objective composition by adding thionyl chloride to the reaction system when an aromatic hydrocarbon is reacted with zinc chloride and a formaldehyde polymer to prepare the subject compound. CONSTITUTIO...
|
|
JPH03503523A |
A process for iodinating aromatic compounds, comprising the steps of iodinating an aromatic compound, separating a desired iodoaromatic product from the product mixture, purifying said desired iodoaromatic product, and isolating said des...
|
|
JPH03178977A |
NEW MATERIAL: A compound of formula I (R1 is a halogen, OH, methoxy or propylthio; R2 is H or acetyl). USE: Antiinflammatory agents or immunosuppressants. PROCESS: A triptolide of formula II is reacted with a compound of formula R1-H and...
|
|
JPH03167142A |
PURPOSE: To obtain the subject substance in high yield by reacting an aromatic amino compound with a nitrous acid imparting agent in the presence of hydrofluoric acid, preserving the resultant diazonium salt at a specific low temperature...
|
|
JPH03167143A |
PURPOSE: To industrially and advantageously obtain the objective compound in high yield by continuously carrying out thermal decomposition of a diazonium salt at a specific temperature in a specified atmosphere in diazotizing an aromatic...
|
|
JPH03503174A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
|
|
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...
|
|
JPH03151335A |
PURPOSE: To produce the title compound selectively, readily and economically by reacting methylchloroform with hydrogen fluoride by using antimony chloride fluoride maintaining molar ratio of pentavalent antimony and trivalent antimony i...
|
|
JPH0335296B2 |
A fluorine-containing aromatic derivative useful as an intermediate for the synthesis of medicines, agricultural pesticides, and water-repellent oil-repellent agents is produced by a method characterized by causing a di(haloacyl)-peroxid...
|
|
JPH0386704A |
PURPOSE:To provide the title derivative useful as a catalyst for producing an aromatic fluorine compound by halogenating a crosslinked (alpha-alkyl) polystyrene and reacting the halogenated product with triphenylphosphine in the presence...
|
|
JPH0322854B2 |
|
|
JPH0368525A |
PURPOSE: To make mass production possible, by reacting a substrate having reactive sites with fluorine gas or mixture of fluorine and an inert gas in eductor, and controlling the heat of reaction in the cooling zone of a loop reactor. CO...
|
|
JPH0366630A |
PURPOSE: To easily obtain a 2-fluoro-1-olefin by reacting a suitable allyl or an α-olefin-originating material with phenyl selenyl chloride or phenyl selenyl bromide and Ag fluoride, ozonizing the product, and reacting thermally with a ...
|
|
JPH0321532B2 |
The chlorophenols, e.g., 2,4,6-trichlorophenol, are efficiently prepared by chlorinating an ortho-/para-substituted phenolic compound with gaseous chlorine, whether in molten state or in a solvent reaction medium, in the presence of a ca...
|
|
JPH0320371B2 |
A process for the chlorination, using gaseous chlorine, of phenolic compounds substituted in an ortho position relative to the hydroxyl function group. More precisely, it is a process for the chlorination of these phenolic compounds ...
|
|
JPH0358947A |
PURPOSE: To advantageously obtain the subject compound according to a continu ous method by specifying a feeding position of a raw material, etc., and a taking out position of a reaction product and reaction temperature, etc., in each re...
|
|
JPH0315611B2 |
A perfluorochemical which is useful as a blood substitute or perfusion medium has the formula, wherein RF is a perfluoroalkyl group, a perfluoro alkoxyalkyl group or a perfluoroalkyloxy group, X and X min are same as or different from ea...
|
|
JPH0344335A |
PURPOSE: To obtain the title compound having fluorine in meta position of an electron-accepting group in good yield by reacting an aromatic compound having a nitro group in meta position of the electron-accepting group with a metal fluor...
|
|
JPH0313206B2 |
|
|
JPH0312047B2 |
Organic compounds labeled with no-carrier-added fluorine 18 are processed to yield a compound having a formula in the form of 18F-R through a nucleophilic substitution reaction. The process has a series of steps. The first step of the pr...
|
|
JPH0320231A |
PURPOSE: To recover the title substance by bringing a gaseous phase mixture of 1,1-dichloroethylene and anhydrous HF into contact with a catalyst to obtain a product stream containing the title substance and the raw material substances a...
|
|
JPH034537B2 |
An N-alkylated formamide of the formula wherein R1 denotes alkyl R2 denotes alkyl with at least 9 carbon atoms or the group wherein A denotes straight-chain or branched alkanediyl, R1 denotes lower alkyl and n denotes an integer from 2 t...
|
|
JPH031291B2 |
The invention relates to a process for the halogenation of organic compounds in the liquid phase using gaseous halogenating agents, the gaseous halogenating agents being metered into the reaction vessel at such an entry velocity that a g...
|
|
JPH02504633A |
A process for the vapor phase iodination of an aromatic compound which involves combusting an alkyl aromatic iodide in the presence of oxygen to produce molecular iodine and feeding the molecular iodine and an aromatic compound to an oxy...
|
|
JPH0260663B2 |
|
|
JPH0259815B2 |
Ortho-substituted fluoroaromatic compounds are prepared by reaction of corresponding anilines, which are substituted in the o-position, with alkyl nitrites in the presence of alcohols and/or ethers and in the presence of boron trifluorid...
|
|
JPH02295945A |
PURPOSE: To obtain the subject compound useful as an intermediate in the production of medicines, agrochemicals, etc., easily and efficiently by reacting a sulfonyl halide with a reactive organic halide in the presence of a specified com...
|
|
JPH02273627A |
PURPOSE: To introduce a substituent in the (n+1) position of an aromatic deriva tive substituted in the n and (n+2) positions by anionizing the aromatic deriva tive substsituted in the n and (n+1) positions at the (n+1) position, then co...
|
