181 |
The improved esterification methods of thiopropionate |
JP5140488 |
1988-03-04 |
JPH0788351B2 |
1995-09-27 |
カークウッド・ストラー・コットマン; ジョセフ・アンドリュー・ククツコウスキ |
|
182 |
Heat-sensitive recording material |
JP7810687 |
1987-03-31 |
JPH0739217B2 |
1995-05-01 |
桂二 大矢; 啓二 田端; 光男 阿久津 |
|
183 |
JPH07502505A - |
JP51095493 |
1992-12-01 |
JPH07502505A |
1995-03-16 |
|
|
184 |
3-aryl-2-hydroxy propionic acid derivatives and homologues of as a blood sugar-lowering agent |
JP51086491 |
1991-05-31 |
JPH075513B2 |
1995-01-25 |
URIN BERUNAARU |
|
185 |
Heat stabilizer/lubricant for pvc processing and its production |
JP9125094 |
1994-04-28 |
JPH06329922A |
1994-11-29 |
JIYOOJI EFU BIIKUMAN; RAIONERU AARU PURAISU; KIISU EE METSUSHIYU |
PURPOSE: To obtain a zinc mercaptoacid ester useful as a heat stabilizer of a halogen-containing polymer by heating a mixture of zinc oxide, a specific mercaptoacid ester and paraffin wax to a predetermined temp. and removing formed water.
CONSTITUTION: A mixture of zinc oxide, a mercaptoacid ester represented by the formula: HS-[CHC(=O)OR]x-(CH
2)y-C(=O)OR [wherein R is 1-20C (un)saturated alkyl; x is 0 or 1; y is 1 or 2; and, when y is 1, x is 1] and paraffin wax is heated to at least a temp. equal to an m.p. range of wax and formed water is removed.
COPYRIGHT: (C)1994,JPO |
186 |
Carboxyl containing monomer and polymer and latex prepared from the same |
JP14493991 |
1991-06-17 |
JPH06298861A |
1994-10-25 |
IGUNAJIO SARUBATORU PONTEISERO; RICHIYAADO KARUBIN SATSUTON |
PURPOSE: To provide a novel ethylenically unsaturated polymerizable monomer improved in copolymerization efficiency and combination with a biological substance, and a polymer prepared from the same.
CONSTITUTION: This monomer is represented by the formula (wherein R is hydrogen, a halo or a 1-3C alkyl; M is hydrogen, an alkali metal ion or an ammonium ion; and L is a linking group having 8-50 atoms in its linking chain and comprises two or more divalent hydrocarbon groups connected or terminated with one or more nitrogen, oxygen or sulfur atoms or with one or more groups containing such atoms in the linking chain, provided that L has at least one arylene which is not directly connected to the terminal -COOM group and further provided that none of the hydrocarbon groups has non-aromatic unsaturation).
COPYRIGHT: (C)1994,JPO |
187 |
Preparation of mixture of sulfurized alkaline earth metal salts of salycyclic acid and phenol |
JP9539493 |
1993-03-30 |
JPH06287580A |
1994-10-11 |
GOTO MASATO; NISHISHITA MAKOTO; UEDA SANAE |
PURPOSE:To provide the subject preparation process whereby a mixture of sulfurized alkaline earth metal salts of a salicyclic acid and a phenol with a good hue can be obtained, and nonturbid unreacted phenol can be recovered. CONSTITUTION:The process comprising reacting a mixture comprising a phenol, a dihydric alcohol and an alkaline earth metal reagent, reacting the product with carbon dioxide, adding a dihydric alcohol and elementary sulfur to the obtained product, and subjecting the entire mixture to a sulfurization reaction consists of performing the sulfurization reaction at 160 deg.C or above in such a way that the reaction is effected in a superatmospheric open system, and the amount of the dihydric alcohol added is 2.0mol or above per mol of the alkaline earth metal reagent or that the reaction is effected in an atmospheric open system, and the amount of the dihydric alcohol added is 0.5mol or above per mol of the alkaline earth metal reagent. |
188 |
New naphthalene derivative for use in ferroelectric liquid crystal mixture |
JP29838193 |
1993-11-29 |
JPH06228057A |
1994-08-16 |
BARUBARA HORUNUNKU; DEIITOMAA YUNGUBAUAA; YAFUIIA MANERO; FUUBERUTO SHIYUROTSUSAA |
PURPOSE: To obtain a new compound useful as a ferroelectric liquid crystal mixture ingredient.
CONSTITUTION: The compound of the formula (R
1 and R
2 are each H, 1-22C alkyl or the like; A
1 to A
4 are each 1,4-phenylene, pyrazine-2,5-diyl or the like; M
1 to M
4 are each -O-, -S-, -CO-, -CH=CH- or the like; k, l, m, n, o, p, q and r are each 0 or 1; or the like), e.g. 2,6-bis(4-hexyloxyphenylcarbonyloxy) napthalene is obtained. The compound of formula I is obtained e.g. by common processes such as a reaction of 2,6-dihydroxynaphthalene and 4-hexyloxybenzoic acid or the like. The compound of the formula used as a ferroelectric liquid crystal mixture derives or widens the nematic phase and gives a small switching angle in the smectic phase.
COPYRIGHT: (C)1994,JPO |
189 |
Perfluoroalkyl halide and its derivative |
JP18334592 |
1992-07-10 |
JPH05345732A |
1993-12-27 |
FUREDERITSUKU ERITSUKU BEA; RUDORUFU YOTSUEFU DAMUSU; YOHAN EMIERU DEBITSUTE; DONARUDO FUREDERITSUKU HEIGEN |
PURPOSE: To provide a perfluoroalkyl halide and its deriv. useful as a surfactant to be used to improve the surface properties of fiber products or substrates such as paper and leather.
CONSTITUTION: A mixture of perfluoroalkyl halide compds. is disclosed. The perfluoroalkyl halide compds. have (A) perfluoroalkyl groups comprising preferably 4 to 20, especially 4 to 10 carbon atoms completely fluorinated, 60 to 90% of the carbon atoms form a straight-chain structure, (B) halogen atoms selected from Cl, Br and I, and (C) alkylene groups which are free from fluorine and have at least two connected carbon atoms, one of which is bonded to the perfluoroalkyl group and the other is bonded to the halogen atom. The mixture consists of, for example, a compd. expressed by formula I (Rfs is straight-chain perfluoroalkyl: R
1 is 1 to 4C org. part, H; R
2 is 0 to 20C alkylene; X is halogen) and a compd. expressed by formula II (Rfb is branched perfluoroalkyl).
COPYRIGHT: (C)1993,JPO |
190 |
JPH0580519B2 - |
JP14760785 |
1985-07-04 |
JPH0580519B2 |
1993-11-09 |
RUDORUFU FURANKU HERUTOEHI; MARUCHIN BOOSU |
|
191 |
Acrylaminobenzamide compound, its production and fungicidal composition containing the same |
JP27447091 |
1991-07-26 |
JPH05155837A |
1993-06-22 |
PATORITSUKU JIERUFU KURAUREE; KEBIN ROBAATO ROOSON; ROSAMUNDO ARISON SUPENSU; ARASUDOEAA TOOMASU GUREN |
PURPOSE: To obtain a novel acylaminobenzamide compd. useful as a fungicide for preventing the infection of plants in particular with fungi.
CONSTITUTION: A compd. of formula I (A, B are each H, I, N, O
2, CN, a 1 to 4C alkylthio, etc., but not A=B=H; D, E are H, F; R
1 is H, a 1 to 4C alkyl, a 1 to 4C alkoxy; R
2 is a 1 to 4C alkyl, a 1 to 4C alkoxy, phenyl, etc.; R
3 is H and R
4 is CCl
3, a 2 to 8C alkyl, cyclopropyl, etc., further, R
3 and R
4 form azetidine-2-one ring, etc., with CON to which these are bonded, for example, 4trimethylacetoamide2-iodo-N,Ndimethylbenzamide. The compd. of formula II in the compd. of formula II is obtd. by treating a compd. of formula III with nitrous acid and iodine source and the compd. of formula IV (A is CN, a 1 to 4C alkylthio) is obtd. by bringing the compd. of formula II into reaction with a transition metal salt or a 1 to 4C alkanethiolate of a cyanide in a solvent.
COPYRIGHT: (C)1993,JPO |
192 |
O-benzyl-oxime ether and bacteriocide containing this compound |
JP15656091 |
1991-06-27 |
JPH04261147A |
1992-09-17 |
ZUIIKUBERUTO BURANTO; UBUE KARUDORUFU; RAINHARUTO KIRUSUTOGEN; BURANTO MIYURAA; KURAUSU OOBERUDORUFU; FUUBERUTO ZAUTAA; GIIZERA RORENTSU; EEBAAHARUTO AMAAMAN; KURISUTOFU KIYUNASUTO; ARUBUREHITO HAROISU |
PURPOSE: To provide an O-benzyl-oxime ether having remarkable bactericidal, insecticidal, nematodecidal and acaricidal actions better than in the case of known phenyl acetic acid derivatives.
CONSTITUTION: The compd. of formula I (X is CH
2, CH-1 to 4C alkyl, CH-1 to 4C alkoxy, N-1 to 4C alkoxy, etc.; Y is O, S, NR
5; R
1, R
2, R
5 are H, 1 to 4C alkyl; Z
1, Z
2 are H, halogen, methyl, methoxo, CN.; R
3, R
4 are H, CN, 1 to 10C alkyl, 3 to 6C cycloalkyl, 2 to 6C alkenyl, 1 to 6C alkoxy, benzylthio, aryl, aryloxy, etc.); for example, 3-methhoxy-2-[2'-[1"-(3''',5'''-dichlorophenyl)-1"- methyl]-iminooxymethyl]phenyl-methyl ester acrylate. The compd. of the formula I with which Z
1, Z
2 are H is obtd. by bringing the ketoester of formula III derived from the compd. of formula II into a Witting or a Witting-Horner reaction.
COPYRIGHT: (C)1992,JPO |
193 |
Optically active compound, its production, liquid crystal composition and liquid crystal display element |
JP1270990 |
1990-01-24 |
JPH0356454A |
1991-03-12 |
TAKEHARA SADAO; OSAWA MASASHI; KURIYAMA TAKESHI; NAKAMURA KAYOKO; FUJISAWA NOBURU; SHOJI TADAO; HIYAMA TAMEJIROU; KUSUMOTO TETSUO; HANAMOTO TAKESHI |
NEW MATERIAL:The compound of formula I (R
1 is 1-20C alkyl, etc,; A, B and C are group of formula II, III, IV, etc,; m is 0 or 1; R
2 is 1-15C alkyl, etc,; Z
1 and Z
2 are COO, OCO, CH
2O, CH
2CH
2, etc,; * represent asymmetric C having R or S configuration).
EXAMPLE: 4-Decyloxybenzoic acid 4-[(R)-cyano(pentanoyloxy)methyl]-phenyl ester.
USE: Useful as a material for a liquid crystal display element, especially a ferroelectric liquid crystal display material having excellent response and memory property and its raw material.
PREPARATION: The objective compound of formula I can be produced by reacting an aldehyde of formula V (R
1 is 1-20C alkyl, alkoxy, alkoxycarbonyl, etc,; A, B and C are group of formula II, III, VI, etc.] with trimethylsilyl cyanide in the presence of a lewis acid and an optically active diol and reacting the resultant optically active cyanhydrin derivative of formula VII with a carboxylic acid of formula R
2COOH.
COPYRIGHT: (C)1991,JPO&Japio |
194 |
Mercaptane-containing polyphenol,composition containing sameand use of composition |
JP1121387 |
1987-01-20 |
JPS62178564A |
1987-08-05 |
SHIEIKU ABUDOUURUUKADAA ZAHIRU; KAARU MEKERA |
|
195 |
JPS6230183B2 - |
JP15874178 |
1978-12-25 |
JPS6230183B2 |
1987-07-01 |
JOSEFU MAIKERU BOEN |
|
196 |
Manufacture of sulfide salicylate |
JP14760785 |
1985-07-04 |
JPS6124562A |
1986-02-03 |
RUDORUFU FURANKU HERUTOUEHI; MARUCHIN BOOSU |
|
197 |
Manufacture of sulfide perbasic salicylate |
JP14760585 |
1985-07-04 |
JPS6124560A |
1986-02-03 |
RUDORUFU FURANKU HERUTOUEHI; MARUCHIN BOOSU; YUUJIN MARII GOTSUDOFURIITO AN |
|
198 |
Hydroxy adduct of methionine, derivatives, ester synthesis thereof, 1-acyloxy-4-hydrocarbyl thiopropene and synthesis |
JP16374884 |
1984-08-03 |
JPS60100553A |
1985-06-04 |
JIEIMUZU DEIBUITSUDO BAARINTON; MAAKU SHII SHIIZA |
|
199 |
Synthesis of amino acid derivative |
JP4594981 |
1981-03-27 |
JPS57159747A |
1982-10-01 |
OOKAWA KENJI; NAKASHIMA KIICHIROU; NEYA MASAHIRO; YAMADA SHINICHI; WAKAMIYA TATEAKI; SHINPO KUNIAKI; SHIBA TETSUO |
PURPOSE: To prepare the titled compound useful as an antibacterial agent, by reacting an N-substituted-aziridine-2-carboxylic acid amide, etc. with an alcohol or a thioalcohol, and removing the protecting group.
CONSTITUTION: The objective compound of formula IV(R
1 is H or lower alkyl; R
2 is lower alkyl, aralkyl, etc.; R
3 is amino acid residue; X is O or S; n is O or 1) is prepared by reacting a compound of formulaI(CO-R
4 is ester or amide; Z is N-protecting group) with a compound of formula II, and removing the protecting group from the resultant compound of formula III. The reaction of the compound of formulaIand the compound of formula II is carried out usually in an organic solvent (e.g. CHCl
3) at room temperature or under heating. When the compound of formula II is an alcohol or a thioalcohol, the reaction is carried out in the presence of a Lewis acid (e.g. BF
3). The N-protecting group is a conventional amino acid-protecting group, and its removal can be achieved, e.g. in the case of BOC group, by hydrogenating in the presence of a catalytic reduction catalyst.
COPYRIGHT: (C)1982,JPO&Japio |
200 |
Manufacture of alkaline earth metal mercaptide |
JP1151279 |
1979-02-05 |
JPS54115302A |
1979-09-07 |
SHII EICHI RAIFUENBAAGU |
|