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41. 发明专利

JP2001122823A METHOD FOR PRODUCING DIALKYL 5-BROMOISOPHTHALATE COMPOUND 失效
公开(公告)号：JP2001122823A
公开(公告)日：2001-05-08
申请号：JP30059199
申请日：1999-10-22
申请人： NISSAN CHEMICAL IND LTD
发明人： SUZUKI HIDEO , NAGAI MASAKI , AKEBOSHI TOMOHIRO , HASHIBA ISAO
IPC分类号： C07C67/307 , C07C69/80
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a dialkyl 5-bromoisophthalate compound, by which the objective position on the benzene nucleus is selectively brominated without causing the hydrolysis reaction of the ester group of a dialkyl isophthalate of raw material. SOLUTION: This method for producing a dialkyl 5-bromoisophthalate compound, characterized by brominating a dialkyl isophthalate represented by the general formula [1] (R1 and R2 are a 1 to 10C alkyl the same as or different from each other) with an N-bromoisocyanuric acid represented by the general formula [2] (R3 is H atom, sodium atom or potassium atom) in a strong acid as a solvent.

42. 发明专利

JP2001122702A LIQUID AGRICULTURAL CHEMICAL COMPOSITION 失效
公开(公告)号：JP2001122702A
公开(公告)日：2001-05-08
申请号：JP2000217642
申请日：2000-07-18
申请人： NISSAN CHEMICAL IND LTD
发明人： FURUSAWA HIROYUKI , KOBAYASHI MAMORU , HATTORI SHIGEO , KOBAYASHI HIROSHI
IPC分类号： A01N25/00 , A01N25/02 , A01N25/30 , A01N43/60 , A01N47/36
摘要： PROBLEM TO BE SOLVED: To provide a new agricultural chemical composition. SOLUTION: This agricultural chemical composition contains an active ingredient consisting of an agricultural chemical and a polyoxyethylene alkyl ether satisfying the following requisites (a) and (b): (a) the polyoxyethylene alkyl ether has a hydrophilic-lipophilic balance(HLB) of 6-13.5; and (b) the polyoxyethylene alkyl ether is contained in an amount of 10-50 wt.% based on the total amount of the agricultural chemical composition.

43. 发明专利

JP2001116904A MULTILAYERED ANTIREFLECTION FILM 失效
公开(公告)号：JP2001116904A
公开(公告)日：2001-04-27
申请号：JP29789699
申请日：1999-10-20
申请人： NISSAN CHEMICAL IND LTD
发明人： NAKADA TAKAKAZU , KOSHO HITOSHI , TAI HIROYOSHI
IPC分类号： B32B7/02 , G02B1/11 , G02B1/111 , G02B1/14 , G09F9/00
摘要： PROBLEM TO BE SOLVED: To obtain a multilayered antireflection film having a low reflectance of

44. 发明专利

JP2001114804A CYCLODEXTRIN MODIFIED WITH OPTICALLY ACTIVE RESIDUE, ITS PRODUCTION AND USE 失效
公开(公告)号：JP2001114804A
公开(公告)日：2001-04-24
申请号：JP29999199
申请日：1999-10-21
申请人： NISSAN CHEMICAL IND LTD
发明人： HAMADA FUMIO , SUZUKI HIDEO , TAKIGAWA SHINICHIRO
IPC分类号： C07D301/32 , C07B57/00 , C07D303/04 , C07D405/14 , C08B37/16 , C09K11/06
摘要： PROBLEM TO BE SOLVED: To provide a new fluorescent cyclodextrin modified with a chiral residue capable of recognizing and resolving the R-isomer and S-isomer of optical isomers by the fluorescent light, provide a cyclodextrin modified with a chiral residue, having remarkable recognition power and resolution power of chiral molecule and applicable to a wide variety of guests and provide a practically durable economical compound as the material to form the modifying residue. SOLUTION: The objective cyclodextrin modified with a chiral residue and capable of recognizing and resolving the R-isomer and S-isomer of optically active isomers is produced by modifying α, β or γ-cyclodextrin with a fluorescent chiral residue. Concretely, the compound is a cyclodextrin modified with an R- and S-3-hydroxy-3-substituted propanoic acid ester or amide and expressed by formula (I) (R1 is a 2-hydroxy-2-substituted ethylcarbonyl; M is NH, O or S; W, X, Y and Z are each an integer of 0-7; W+X+Y+Z is an integer of 6-8).

45. 发明专利

JP2001072768A PRODUCTION OF POLYIMIDE 失效
公开(公告)号：JP2001072768A
公开(公告)日：2001-03-21
申请号：JP24991799
申请日：1999-09-03
申请人： OISHI YOSHIYUKI , UEDA MITSURU , NISSAN CHEMICAL IND LTD
发明人： OISHI YOSHIYUKI , UEDA MITSURU , NIHEI TAKAYASU , TAI HIROYOSHI
IPC分类号： C08G73/10
摘要： PROBLEM TO BE SOLVED: To easily produce an aliphatic polyimide, regardless of the structure of the aliphatic tetracarboxylic dianhydride, by reacting a bissilylated diamine derivative with an aliphatic tetracarboxylic dianhydride in an organic solvent and cyclizing the resultant poilyamic acid ester. SOLUTION: A bissilylated diamine derivative represented by formula II, wherein R2 is a divalent organic group constituting a diamine; and R3 is a monovalent organosilicon group, is reacted with a tetracarboxylic dianhydride represented by formula III, wherein R1 is a tetravalent organic group constituting an aliphatic tetracarboxylic acid in an organic solvent to give a polyamic acid ester containing repeating units represented by formula IV, wherein m is a positive integer; and R1, R2, and R3 are each the same in formula II or III, which is cyclized to give a polymide which contains repeating units represented by formula I, wherein m, R1, and R2 are each the same as described above and of which the logarithmic viscosity of the corresponding polyamic acid ester (in an organic solvent at 30 deg.C, with a concentration of 0.5 g/dl) is 0.05-5.0 dl/g.

46. 发明专利

JP2001064230A PRODUCTION OF 5-HYDROXYISOPHTHALIC ACID 失效
公开(公告)号：JP2001064230A
公开(公告)日：2001-03-13
申请号：JP23663899
申请日：1999-08-24
申请人： NISSAN CHEMICAL IND LTD
发明人： NAGAI MASAKI , SUZUKI HIDEO , OKUNI YOKO , KAWAMURA YASUO
IPC分类号： B01J23/06 , B01J27/053 , B01J31/04 , C07B61/00 , C07C51/09 , C07C51/367 , C07C65/03
摘要： PROBLEM TO BE SOLVED: To obtain 5-hydroxyisophthalic acid useful as a modifier for various polymers and an intermediate for various functional chemicals without using a copper catalyst by hydrolyzing a halogenoisophthalic acid derivative with an alkaline aqueous solution. SOLUTION: 5-Hydroxyisophthalic acid is produced by hydrolyzing a 5- halogenoisophthalic acid derivative of the formula (R1 and R2 are each H or a 1-6C alkyl; X is a halogen) preferably in the presence of a catalytic metal other than copper (preferably a metal such as zinc, cadmium, silver or gold and/or its compound) preferably at 100-300 deg.C. The alkali of the alkaline aqueous solution is preferably lithium, sodium, potassium, magnesium, or the like. The catalytic metal is preferably a metal catalyst supported on a carrier. The objective compound can be produced by this process on an industrial scale at a low cost causing little problem of waste water treatment.

47. 发明专利

JP2001039926A ALICYCLIC DI(METH)ACRYLATE AND ITS PRODUCTION 失效
公开(公告)号：JP2001039926A
公开(公告)日：2001-02-13
申请号：JP21325799
申请日：1999-07-28
申请人： NISSAN CHEMICAL IND LTD
发明人： SUZUKI HIDEO , KAMISAKA HIROYUKI
IPC分类号： B01J31/02 , C07B61/00 , C07C67/03 , C07C69/54
摘要： PROBLEM TO BE SOLVED: To obtain the subject new compound useful in the field of an ultraviolet curable resin, an electron beam-curable resin, etc., showing high heat resistance, weatherability and transparency, further having proper mechanical strength, containing a norbornane skeleton in the molecule. SOLUTION: This 3,4-bis((meth)acryloyloxy)tricyclo[5.2.1.02.6]decane compound is shown by formula I (R1 is H or a 1-4C alkyl; and R2 and R3 are each H or a 1-10C alkyl) such as 3,4-bis(acryloxyloxy)tricyclo[5.2.1.02/6]decane. The compound of formula I is obtained, for example, by reacting 3,4- dihydroxytricylo[5.2.1.02.6]decane of formula II with an acrylic acid compound of formula III (R4 is H or a 1-10C alkyl) in the presence of an acid catalyst.

48. 发明专利

JP2001019682A MODIFICATION OF MELAMINE DERIVATIVE 失效
公开(公告)号：JP2001019682A
公开(公告)日：2001-01-23
申请号：JP19127999
申请日：1999-07-06
申请人： NISSAN CHEMICAL IND LTD
发明人： NAKAMURA SHIGEO , KAMISAKA HIROYUKI
IPC分类号： C07D251/70
摘要： PROBLEM TO BE SOLVED: To modify a melamine derivative useful as an intermediate for fine chemicals such as agrochemicals, pharmaceuticals, dyes and coating materials by heating and reacting a melamine (derivative) with an alcohol in the presence of a metallic catalyst under specific condition. SOLUTION: (A) An (N-substituted)melamine (derivative) of preferably formula (R1 to R6 are each H, a 1-20C alkyl or the like) (e.g. melamine) is made to react with (B) an alcohol (e.g. 1,4-butanediol) under heating in the presence of (C) a mixed catalyst composed of (i) a hydrogenation catalyst (e.g. Pd-C) and (ii) a dehydrogenation catalyst (e.g. Ni-NiO-SiO2) in the absence of hydrogen gas to introduce a substituent (e.g. methyl group) into the component A. Preferably, the amount of the component B is 0.01-500 times mol and that of the component C is 0.00001-200 mol% each based on the component A and the reaction time is 0.1-100 hr.

49. 发明专利

JP2001019662A PRODUCTION OF 1,2,3,4-BENZENETETRACARBOXYLIC ACID DERIVATIVE 失效
公开(公告)号：JP2001019662A
公开(公告)日：2001-01-23
申请号：JP19473599
申请日：1999-07-08
申请人： NISSAN CHEMICAL IND LTD
发明人： KOTO TAKEAKI , KONDO TERUYUKI , KANEKO YUJI , MORIZAKI YASUHIRO
IPC分类号： B01J31/24 , C07B61/00 , C07C67/343 , C07C69/76
摘要： PROBLEM TO BE SOLVED: To produce 1,2,3,4-benzenetetracarboxylic acid derivative by one step by reacting an acetylenedicarboxylic acid derivative with an allyl alcohol derivative in the presence of a ruthenium complex catalyst. SOLUTION: An acetylenedicarboxylic acid derivative of the formula: R1O2C- C≡C-CO2R1 (R1 is a 1-4C alkyl), (e.g. dimethyl acetylenedicarboxylate) is reacted with an allyl alcohol derivative of formula I (R2 is H or a 1-4C alkyl), (e.g. allyl alcohol) in the presence of a ruthenium complex catalyst [e.g. a complex of the formula Cp*RuCl (cod) (Cp* is pentamethylclopentadienyl; cod is 1,5- cyclooctadiene) or the like], preferably in an amount of 0.01-0.1 molar time as much as that of the allyl alcohol derivative to provide the objective 1,2,3,4- benzenetetracarboxylic acid derivative of formula II, (e.g. tetramethyl 5- methyl-1,2,3,4-benzenetetracarboxylate).

50. 发明专利

JP2001002670A ALICYCLIC TETRACARBOXYLIC ACID ANHYDRIDE AND ITS PRODUCTION 失效
公开(公告)号：JP2001002670A
公开(公告)日：2001-01-09
申请号：JP17833499
申请日：1999-06-24
申请人： NISSAN CHEMICAL IND LTD
发明人： SUZUKI HIDEO
IPC分类号： C07D307/93 , B01J31/22 , C07B61/00 , C08G73/10
摘要： PROBLEM TO BE SOLVED: To provide a new alicyclic tetracarboxylic acid anhydride which does not absorb light in the UV light region, has high light transmissivity, is excellent in solubility in solvents, and is useful as an electronic material and so on. SOLUTION: 1,2-Bis(4'-oxa-3',5'-dioxotricyclo[5.2.1.02,6]decan-8'-yloxy)ethane of the formula. The compound of the formula I is obtained by reacting 5- norbornene-2,3-dicarboxylic acid anhydride with 1,4-dioxane and/or an ethylene glycol derivative of the formula: R(OCH2CH2)nOR [R is a 1 to 6C alkyl; (n) is 2 to 4] (for example, diethylene glycol dimethyl ether) in the presence of a heterogeneous polyacid catalyst containing tungsten metal (for example, H3 PW12O40/nH2O) preferably at a temperature of 60 to 200 deg.C.

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