BIPHENYL DERIVATIVE HAVING OXETANE RING

    公开(公告)号:JPH11106380A

    公开(公告)日:1999-04-20

    申请号:JP26615597

    申请日:1997-09-30

    Applicant: UBE INDUSTRIES

    Abstract: PROBLEM TO BE SOLVED: To obtain a new compound useful as a coating material or the like by using a readily available raw material. SOLUTION: This compound is represented by the formula (R is H or a 1-6C alkyl), e.g. 3,3'-[4,4'-bitolylenediyl-bis(oxymethylene)]bis(3-ethyloxetane). The objective compound is obtained by reacting (A) a 3-alkyl-3- hydroxymethyloxetane or 3-hydroxymethyloxetane with (B) an alkali metallic hydride or an alkali metallic hydroxide, providing an alkali metallic alcoholate thereof and then subsequently reacting the alcoholate with 4,4'-bis(chloromethyl)biphenyl, e.g. at 80-150 deg.C for about 2-6 hr.

    3-ACETOXY-4-METHOXYIODOBENZENE AND ITS PRODUCTION

    公开(公告)号:JPH08239345A

    公开(公告)日:1996-09-17

    申请号:JP4373795

    申请日:1995-03-03

    Applicant: UBE INDUSTRIES

    Abstract: PURPOSE: To provide 3-acetoxy-4-methoxyiodobenzene useful as a starting raw material for intermediates used in producing medicines and agrochemicals. CONSTITUTION: This 3-acetoxy-4-methoxyiodobenzene is expressed by the formula. The compound is obtained by reacting 2-acetoxyanisole with iodine and nitrogen dioxide, as necessary, in the presence of an acidic catalyst (e.g. a silica gel supporting molybdic acid) at ambient temperature to 100 deg.C for 10min to 10hr. The reaction is carried out by using the iodine in a molar amount of 1/2 based on the 2-acetoxyanisole and the NO2 in a molar amount of 1.5-5 times based on the raw material. The compound of the formula is used as a raw material to afford a 3-acetoxy-4-methoxy-substituted aromatic compound utilizable as an intermediate for various medicines and agrochemicals at a good economical efficiency according to the simple reaction.

    PRODUCTION OF PHENOL
    73.
    发明专利

    公开(公告)号:JPH08217712A

    公开(公告)日:1996-08-27

    申请号:JP2250095

    申请日:1995-02-10

    Applicant: UBE INDUSTRIES

    Abstract: PURPOSE: To obtain phenol in high selectivity and in high yield by using a simply obtainable catalyst standing repeated uses, prepared by supporting ions of a specific element on a zeolite. CONSTITUTION: (B) Benzene is reacted with (C) dinitrogen oxide in the presence of (A) a zeolite supporting ions of at least one element selected from the element group comprising elements of the group IIIB and transition metal elements of the periodic table to give (D) phenol. In the zeolite, one having the ratio of SiO2 /Al2 O3 of 10-200 is especially preferable. Gallium and copper are preferable as the element for the element ions. The amount of the element ions is in the weight ratio of the weight of the zeolite (weight after baking at 400-550 deg.C in air for two hours) and that of the element ions of 100:0.01 to 100:5, especially 10:0.05 to 100:0.2.

    PRODUCTION OF AROMATIC ALDEHYDE
    75.
    发明专利

    公开(公告)号:JPH07330655A

    公开(公告)日:1995-12-19

    申请号:JP12883194

    申请日:1994-06-10

    Applicant: UBE INDUSTRIES

    Abstract: PURPOSE:To high selectively produce an aromatic aldehyde useful as a raw material for organic synthesis of medicines, agrochemicals, dyes, perfumes, etc., under a mild condition in a high yield by reacting nitrogen dioxide with a benzyl alkyl ether. CONSTITUTION:(A) A benzyl alkyl ether [e.g. benzyl methyl ether, (0-methyl- benzyl) methyl ether or benzyl ethyl ether] is reacted with (B) nitrogen dioxide preferably in the presence of (C) an acid catalyst to produce its corresponding aromatic aldehyde. In addition, the component (B) is used preferably in an amount of 1 to 10mol, especially preferably 3 to 6mol based on 1mol component (A). This reaction is conducted in the presence of a solvent or without using a solvent and benzene, toluene, carbon tetrachloride and chloroform are exemplified as the solvent. The amount of used solvent is preferably 0 to 100 times (weight ratio), especially 3 to 50 times the amount of the component (A).

    PRODUCTION OF PHENOL
    76.
    发明专利

    公开(公告)号:JPH07188082A

    公开(公告)日:1995-07-25

    申请号:JP33765393

    申请日:1993-12-28

    Applicant: UBE INDUSTRIES

    Abstract: PURPOSE:To provide a method for producing phenol in a high yield using a catalyst having high activity and selectivity. CONSTITUTION:The characteristic of this method for producing phenol comprises subjecting cyclohexanone to dehydrogenation reaction in the presence of a catalyst consisting of magnesium oxide, palladium element and an alkali metal fluoride.

    LIQUID CRYSTAL COMPOSITE FILM AND PRODUCTION THEREOF

    公开(公告)号:JPH02282718A

    公开(公告)日:1990-11-20

    申请号:JP10338889

    申请日:1989-04-25

    Applicant: UBE INDUSTRIES

    Abstract: PURPOSE:To prevent the deterioration, property change, etc. of a liquid crystal and dichromatic dye by impregnating the liquid crystal or the liquid crystal and dichromatic dye into the open cells in a polymer having a three-dimensional reticular structure. CONSTITUTION:The liquid crystal or the liquid crystal and the dichromatic dye are impregnated into the open cells in the polymer having the three- dimensional reticular structure. The polymer is preferably heated up to the temp. at which the liquid crystal, etc., are not deteriorated to enhance the flowability at the time of the impregnation. The polymer having 50 to 80% voids and about 0.5 to 10mum average pore size of the cells is used as the polymer having the three-dimensional reticular structure. The liquid crystals of a cyanobiphenyl system, cyanophenyl pyrimidine system, cyanophenyl pyrazine, etc., are preferably used as the liquid crystal. The deterioration, property change, etc., of the liquid crystal and the dichromatic dye are prevented in this way.

    ELECTROCHROMIC ELEMENT AND PRODUCTION THEREOF

    公开(公告)号:JPH02207224A

    公开(公告)日:1990-08-16

    申请号:JP2670989

    申请日:1989-02-07

    Applicant: UBE INDUSTRIES

    Abstract: PURPOSE:To provide sufficient insulation and isolation between electrodes and to reduce the thickness in an electrolyte part by forming a microporous film having many fine projections or many through-holes provided on an electrode surface in such a manner as to exist between the electrodes. CONSTITUTION:For example the electrode 7 coated with the microporous film consisting of a photoset layer formed with the many fine projections 6 preferably over the entire surface or the many very small through-holes over the entire surface on one or both surface of the electrode 7 is used. The many fine projections 6 or the microporous films are laminated so as to exist between the electrodes 7 and 8 and an electrolyte for an electrochromic element or solid high-polymer electrolyte 9 is interposed therebetween. The sufficient insulation and isolation between the electrodes 7 and 8 is obtd. in this way and the reduction of the electrolyte 9 part is reduced.

    PRODUCTION OF CARBOXYLIC ACID PHENYL ESTERS

    公开(公告)号:JPH0262845A

    公开(公告)日:1990-03-02

    申请号:JP21372588

    申请日:1988-08-30

    Applicant: UBE INDUSTRIES

    Abstract: PURPOSE:To obtain the title compound useful as an intermediate for drugs in a short time, simply, in high purity and in high yield in reacting a phenol corresponding to the aimed compound with a carboxylic acid anhydride by adding a cobalt halide to the reaction system. CONSTITUTION:1 equivalent compound shown by formula I (R1 and R3 are H or hydrocarbon group; R2 is H or OCH2CH2X; X is functional group inactive to reaction mixture) is reacted with 1.2-1.8 equivalent carboxylic acid anhydride such as acetic anhydride, propionic anhydride, n-butyric anhydride or benzoic anhydride in the presence of 0.1-15mol% of cobalt halide based on the compound shown by formula I such as cobalt fluoride, cobalt chloride or cobalt iodide preferably at 0-100 deg.C to advantageously give the aimed compound shown by formula Il (R4 is H or hydrocarbon group) and further to give efficiently moxisylyte hydrochloride useful as a drug for circulatory organ base.

    PRODUCTION OF 2-(6-METHOXY-2-NAPHTHYL)PROPIONIC ACID

    公开(公告)号:JPH01160941A

    公开(公告)日:1989-06-23

    申请号:JP31867987

    申请日:1987-12-18

    Applicant: UBE INDUSTRIES

    Abstract: PURPOSE:To readily obtain the title compound in good yield by onestage reaction, by reducing 2-hydroxy-2-(6-methoxy-2naphthyl)propionic acid as a raw material in the presence of an inorganic acid in a lower fatty acid in an H2 atmosphere using a metallic catalyst. CONSTITUTION:2-Hydroxy-2-(6-methoxy-2-naphthyl)propionic acid is reduced in the presence of an inorganic acid, such as aqueous solution of sulfuric acid, in a lower fatty acid solvent in an H2 atmosphere using a metallic catalyst, such as Pd/C hydrogenation catalyst, at ordinary temperature-150 deg.C under ordinary pressure or higher pressure for 2-30hr to industrially and advantageously afford the aimed compound useful as a medicine having anti-inflammatory, analgesic and antipyretic action at a low cost. The amount of the above- mentioned inorganic acid used is 0.01-1 weight ratio based on the raw material propionic acid and the amount of the metallic catalyst used is 0.00001-0.1 weight ratio based on the raw material propionic acid. The amount of the inorganic acid used is 0.001-1.0 weight ratio based on the metallic catalyst.

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