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1. 发明专利

JPH08325196A PRODUCTION OF ALICYCLIC POLYCARBOXYLIC ACID AND ITS ACID ANHYDRIDE 失效
公开(公告)号：JPH08325196A
公开(公告)日：1996-12-10
申请号：JP15847195
申请日：1995-05-31
申请人： NEW JAPAN CHEM CO LTD
发明人： ITO MUNEAKI , YOSHIDA YASUHISA , ITO HIROSHI
IPC分类号： B01J23/44 , B01J23/46 , C07C27/02 , C07C51/09 , C07C51/56 , C07C61/09 , C07C61/12 , C07C62/12 , C07C62/24
摘要： PURPOSE: To industrially and advantageously obtain a carboxylic acid useful as a raw material, etc., of a solvent-soluble type polyimide in high purity and yield at a short time by carrying out hydrolysis of an alicyclic polycarboxylic ester in a specific solvent. CONSTITUTION: (A) compound of the formula, R OOC-A-COOR A is a group of formula I (X is a single bond, CO, O, etc.; R and R are each H or an alkyl) or a group of formula II [R to R are each H, CH3 or a group of COOR (R is R )]; R and R are each R ; on or more groups among R to R and one or more groups among R , R and R are each an alkyl} is hydrolyzed in (B) a water-soluble, aprotic and polar solvent [e.g. sulforane or dimethyl sulfoxide], having 120-350 deg.C boiling point, which is a good solvent for the component A and a poor solvent of an alicyclic polycarbonic ester which is a hydrolyzate of the component A to provide the objective compound of the formula, HOOC-B-COOH [B is a group of formula III or a group of formula IV (R to R are each H, CH3 or carboxyl].

2. 发明专利

JPH11180968A PRODUCTION OF HEXAHYDROPHTHALIDE 失效
公开(公告)号：JPH11180968A
公开(公告)日：1999-07-06
申请号：JP36517597
申请日：1997-12-19
申请人： NEW JAPAN CHEM CO LTD
发明人： ITO MUNEAKI , FUJITANI TSURATAKE
IPC分类号： C07D307/88 , B01J23/44 , C07B61/00
摘要： PROBLEM TO BE SOLVED: To provide a method for producing, at a low pressure in a high yield industrially, hexahydrophthalides having various substituting groups useful as intermediates for raw materials for medicines, agrochemicals, and paints, by using a palladium-based catalyst as a nucleus-hydrogenating catalyst. SOLUTION: This method comprises the nucleus hydrogenation of (A) a compound shown by formula I (R1 -R4 are each H, a 1-18C alkyl, or a 1-18C alkoxy) in the presence of (B) a palladium-based catalyst [e.g. palladium metal or palladium (hydr)oxide supported on carbon or alumina as carrier at a weight ratio of 1-10% as calculated as metal] as a nucleus-hydrogenating catalyst at a pressurized and heated condition (e.g. 1-80 kg/cm G of hydrogen pressure, 100-240 deg.C) to give a compound shown by formula II. It is preferable to carry out the reaction at a B/A weight ratio of 0.1-10%.

3. 发明专利

JPH10204075A PRODUCTION OF PHTHALIDES 失效
公开(公告)号：JPH10204075A
公开(公告)日：1998-08-04
申请号：JP1997597
申请日：1997-01-17
申请人： NEW JAPAN CHEM CO LTD
发明人： ITO MUNEAKI , ARAKI NOBORU , OKAJIMA NAOYOSHI , KAWAI SHUJI , KIHARA YOSHIHIRO
IPC分类号： C07D307/88 , B01J23/755 , B01J25/02 , C07B61/00
摘要： PROBLEM TO BE SOLVED: To provide a method for producing phthalides useful as a production intermediate dyes, agrochemicals, etc., under a low hydrogen pressure at a practical reaction rate with a high selectivity by removing a formed water when hydrogenating phthalic anhydride compound. SOLUTION: The objective compound of formula II is obtained by hydrogenating (C) a compound of formula I (R to R are each H, a 1-5C alkyl, an aryl, a 1-5C alkyoxy or a halogen) by using (A) a catalyst such as a stabilized nickel and a Raney nickel in the presence (or absence) of (B) a solvent such as a 6-20C aromatic, alicyclic o aliphatic hydrocarbon while successively or intermittently taking out the formed water, for example, by pressurizing and heating the reactant under 3-150kg/cm G hydrogen pressure at a temperature of 70-220 deg.C.

4. 发明专利

JPH06329587A PRODUCTION OF CONCENTRATED DIACETIN 失效
公开(公告)号：JPH06329587A
公开(公告)日：1994-11-29
申请号：JP14553893
申请日：1993-05-24
申请人： NEW JAPAN CHEM CO LTD
发明人： MITSUYA YUKIHISA , ITO MUNEAKI
IPC分类号： C07C69/18 , C07C67/58
摘要： PURPOSE:To concentrate diacetin on an industrial scale at a low cost by extracting an acetin mixture using a specific aliphatic hydrocarbon or alicyclic hydrocarbon as the extraction solvent. CONSTITUTION:The diacetin is concentrated by extracting triacetin from an acetin mixture containing at least diacetin and triacetin using one or more extraction solvents selected from 4-8C aliphatic hydrocarbon and an alicyclic hydrocarbon of the formula A-(R)m (A is 4-10C aliphatic ring; R is 1-4C alkyl or 2-4C alkenyl; m is 0-3).

5. 发明专利

JP2005145834A Method for producing diacetal compound 有权
标题翻译：生产二乙基化合物的方法
公开(公告)号：JP2005145834A
公开(公告)日：2005-06-09
申请号：JP2003382096
申请日：2003-11-12
申请人： New Japan Chem Co Ltd , 新日本理化株式会社
发明人： NOMOTO HARUTOMO , KOBAYASHI TOSHIAKI , TSUJI ATSUO , ITO MUNEAKI
IPC分类号： C07D493/04
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a diacetal compound in order to improve the hue or thermal stability of the diacetal compound or to stabilize the quality.
SOLUTION: In the method for producing the diacetal compound by the dehydration condensation reaction of sorbitol or xylitol with an aromatic aldehyde in the presence of a reaction solvent and an acid catalyst, a surface active agent is used in the neutralization step and/or the water washing step after completion of the reaction to produce the diacetal compound.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供二缩醛化合物的制备方法，以提高二缩醛化合物的色调或热稳定性或稳定质量。解决方案：在反应溶剂和酸催化剂的存在下，通过山梨糖醇或木糖醇与芳族醛的脱水缩合反应制备二缩醛化合物的方法中，在中和步骤中使用表面活性剂和/ 或反应完成后的水洗步骤以产生二缩醛化合物。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2003335769A Method for producing hexahydrophthalic anhydrides 有权
标题翻译：生产十八烷二酸酐的方法
公开(公告)号：JP2003335769A
公开(公告)日：2003-11-28
申请号：JP2002238742
申请日：2002-08-20
申请人： New Japan Chem Co Ltd , 新日本理化株式会社
发明人： ITO MUNEAKI , IWAMURA TAIICHIRO , ITO HIROSHI
IPC分类号： C07D307/89 , C07B61/00
摘要： PROBLEM TO BE SOLVED: To provide a method for producing hexahydrophthalic anhydrides by hydrogenating tetrahydrophthalic anhydrides by a fixed bed hydrogenation reaction not requiring high pressure while extremely reducing byproduction of hexahydrophthalides.
SOLUTION: The high-quality hexahydrophthalic anhydrides are produced in high yield while hardly producing byproducts by using a nickel-carrying molded catalyst in which the proportion of the carried nickel atom is 0.1-10%, and carrying out the hydrogenation at 70-145°C reaction temperature under 0.5-1.0 MPa reaction pressure in the fixed bed hydrogenation reaction of the tetrahydrophthalic anhydrides.
COPYRIGHT: (C)2004,JPO
摘要翻译：待解决的问题：提供通过不需要高压的固定床氢化反应氢化四氢邻苯二甲酸酐同时极大地减少六氢酞酸盐的生产来提供六氢邻苯二甲酸酐的制备方法。解决方案：以高产率生产高品质的六氢邻苯二甲酸酐，通过使用其中所携带的镍原子的比例为0.1-10％并在70℃下进行氢化的镍载体模制催化剂几乎不产生副产物 -145℃反应温度在0.5-1.0MPa的反应压力下在固定床氢化反应四氢邻苯二甲酸酐。版权所有（C）2004，JPO

7. 发明专利

JPH08325201A PRODUCTION OF ALICYCLIC POLYCARBOXYLIC ACID ESTER 失效
公开(公告)号：JPH08325201A
公开(公告)日：1996-12-10
申请号：JP15847295
申请日：1995-05-31
申请人： NEW JAPAN CHEM CO LTD
发明人： ITO MUNEAKI , YOSHIDA YASUHISA , ITO HIROSHI
IPC分类号： B01J23/38 , B01J23/44 , B01J23/46 , C07B61/00 , C07C67/08 , C07C67/303 , C07C69/75 , C07C69/753
摘要： PURPOSE: To obtain an alicyclic polycarboxylic acid ester useful as a raw material for solvent-soluble polyimide under industrially advantageous conditions by heating an aromatic polycarboxylic acid anhydride together with an aliphatic alcohol in the absence of a catalyst. CONSTITUTION: (A) An aromatic polycarboxylic acid or its acid anhydride of the formula HOOC-A-COOH [A is formula I or formula II (X is a single bond, CO, O, CH2 , etc.; R1 to R4 are H, methyl or an alicyclic carboxylic acid residue of carboxyl)] and (B) an aliphatic alcohol (preferably a 1-6C aliphatic alcohol, e.g. methanol) are heated in the absence of a catalyst to afford an aromatic polycarboxylic ester mixture difference in degree of esterification and the nucleus of the mixture is hydrogenated by heating the mixture in the presence of a noble metal-based hydrogenation catalyst (preferably a ruthenium- based catalyst) and a component B to provide the objective compound of the formula R OOC-B-COOR [B is an alicyclic carboxylic acid residue of formula III or formula IV (R is an alkyl; R to R are each H, methyl or COOR ) (e.g. biphenyl-3,3',4,4',-tetracarboxylic acid alkylester).

8. 发明专利

JPH09295975A PRODUCTION OF PHTHALIDE COMPOUND 失效
公开(公告)号：JPH09295975A
公开(公告)日：1997-11-18
申请号：JP13108896
申请日：1996-04-26
申请人： NEW JAPAN CHEM CO LTD
发明人： ITO MUNEAKI , ARAKI NOBORU , ITO HIROSHI
IPC分类号： C07D307/88 , B01J23/755 , B01J25/02 , C07B61/00
摘要： PROBLEM TO BE SOLVED: To obtain a phthalide compound useful as an intermediate for synthesizing dyes, medicines or agrochemicals, in high selectivity, by catalyzing an aromatic orthodicarboxylic acid anhydride in a specific solvent in the presence of a nickel-based catalyst under a relatively low hydrogen pressures. SOLUTION: This phtalide compound of formula II (R to R are each H, a 1-18C alkyl, aryl, 1-18C alkoxy or halogen) is obtained by hydrogenation of an aromatic orthodicarboxylic acid anhydride of formula I (R to R are each H, a 1-18C alkyl, aryl, 1-18C alkoxy or halogen) in the presence of a Nickel-based catalyst (e.g. stabilized nickel) at 100-180 deg.C under a pressure of 10-150 (pref. 20-80)kg/cm G. In this case, an aliphatic hydrocarbon, alicyclic hydrocarbon, aromatic hydrocarbon and/or halohydrocarbon is used as the main solvent and a fatty acid ester of formula III (R is H or a 1-4C alkyl; R as a 1-3C alkylene; R is a 1-5C alkyl; (n) is 0-3) as a cosolvent.

9. 发明专利

JPH06322252A GLYCERIN DERIVATIVE COMPOSITION 失效
公开(公告)号：JPH06322252A
公开(公告)日：1994-11-22
申请号：JP17628193
申请日：1993-05-12
申请人： NEW JAPAN CHEM CO LTD
发明人： MITSUYA YUKIHISA , ITO MUNEAKI
IPC分类号： A61K8/00 , A61Q13/00 , B01J13/00 , C08K5/06 , C08L71/02 , C11D1/72 , C11D3/20 , A61K7/46
摘要： PURPOSE:To prevent the hydrolysis of an acetal or ketal linkage and thereby obtain a glycerin deriv. compsn. having an improved stability by adding an nonionic surfactant to a glycerin deriv. or a mixture of two or more glycerin derivs. CONSTITUTION:A glycerin deriv. compsn. having an improved stability and useful for a plasticizer, various additives, a solvent, etc., is obtd. by adding a nonionic surfactant of formula III (wherein R is 8-36C alkyl or alkenyl; AO is 2-4C oxyalkylene; and a is an integer of 1-30) to a glycerin deriv. (an acetal or ketal) or a mixture of two or more glycerin derivs. represented by formula I or II (wherein R to R are each H, 1-4C alkyl, or 2-4C alkenyl). The amt. of the surfactant added, though variable with its application, is pref. 0.1-30 pts.wt. based on 100 pts.wt. the deriv.; for diluting with a solvent, the concn. of 0.5wt.% or higher is pref.

10. 发明专利

JPH06321862A GLYCERIDE COMPOSITION 失效
公开(公告)号：JPH06321862A
公开(公告)日：1994-11-22
申请号：JP17628093
申请日：1993-05-12
申请人： NEW JAPAN CHEM CO LTD
发明人： MITSUYA YUKIHISA , ITO MUNEAKI
IPC分类号： C07C31/22 , C07C67/62 , C07C69/30
摘要： PURPOSE:To obtain a glyceride composition containing a glyceride and a nonionic surfactant, having improved stability to hydrolysis and useful as a synthetic resin removing agent, a plasticizer, a food additive, a cosmetic raw material and a component of perfume, solvent, etc. CONSTITUTION:The composition contains a glyceride of formula I (R to R are H or group of formula II; R to R are not H at the same time; R is 1-3C alkyl) and a nonionic surfactant of the formula R O(AO)aH (R is 8-36C alkyl or alkenyl; AO is 2-4C oxyalkylene; (a) is 1-30) as active components. The amount of the nonionic surfactant is 0.1-30 pts.wt. based on 100 pts.wt. of the glyceride. As necessary, the composition is diluted with water, aliphatic alcohol or other solvent and used in the form of homogeneous solution or suspension.

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