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JPH0641112A |
PURPOSE: To provide the unsaturated furan derivative usable for the perfumed compositions having woody-amber type odor properties. CONSTITUTION: The compound of formula I (each dotted line shows a double bond.; R is H or methyl). The com...
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JPH0641015A |
PURPOSE: To provide a new compd. useful to exterminate parasites of plants, parasites of houses and parasites of homeotherms. CONSTITUTION: This compd. is expressed by formula I, for example, [1 R,(1α,3α)]-3-[(Z)-2-chloro-3,3,3-trifluo...
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JPH0640972A |
PURPOSE: To easily produce an alcohol while suppressing side reactions and to enable the reuse of catalyst by reacting an aldehyde, etc., with an alcohol in the presence of a specific catalyst. CONSTITUTION: The alcohol can be produced b...
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JPH0640974A |
PURPOSE: To provide a process for producing an alcohol derivative having difluoromethyl group at α-site and important as a raw material for pharmaceuticals, agricultural chemicals, functional materials, etc. CONSTITUTION: The alcohol de...
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JPH0610148B2 |
Compounds of the formula I wherein n is either 0 or 1; R1 and R2 is hydrogen and the other is hydrogen, hydroxy, oxo group, a protected hydroxy or protected oxo group; R3 is hydroxy oxo group, =CH-CH2-OH, =CH-CHO or one of the foregoing ...
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JPH0632751A |
PURPOSE: To profitably prepare a vinyl glycol useful as an intermediate of vitamin A and a monomer for the preparation of a hydrophilic polymer, particularly a copolymer by isomerizing an unsatd. diol with rhenium or its compd. as a cata...
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JPH0625040A |
PURPOSE: To obtain a high-purity aromatic polyhydric alcohol in high yield under industrially advantageous conditions. CONSTITUTION: An aromatic polyhydric alcohol (e.g. p-xylylene glycol) can be obtained by catalytic hydrogenolysis of a...
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JPH06500997A |
There are disclosed compounds of the formula wherein a is alkyl 3-19 carbon atoms, diloweralkyl allyl, diahaloallyl, diphenylallyl, lower alkynyl, W is -CR2O-, -CH=CH- or -CH=CHCH2O- X is N or CR; Z is R is hydrogen or lower alkyl; Y is ...
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JPH066540B2 |
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JPH06500569A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
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JPH06500566A |
The invention discloses new leukotriene B4 derivatives of formula (I), wherein R?1 stands for CH2?OH, CH3?, CF3?, COOR?5, CONR?6R?7, or R?1 together with R?2 stands for a carbonyl group, R?2 and R?3 are the same or different and stand fo...
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JPH064543B2 |
A 1,3-diketone (1 mol) of formula: wherein R<1> and R<2> each is C1-8 alkyl, haloalkyl, hydroxyalkyl, trifluoromethyl, optionally substituted phenyl-substituted C1-7 alkyl, alkoxycarbonyl-substituted C1-7 alkyl, C1-7 aminoalkyl, a C1-7 a...
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JPH064544B2 |
A carbonyl compound represented by the formula: wherein A represents C1-7 alkyl or haloalkyl, optionally substituted phenyl, or optionally substituted benzyl; and B represents C1-4 acyl, C1-7 alkoxycarbonyl, haloalkyl, hydroxycarbonyl, C...
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JPH064595B2 |
Azolylmethylcycloalkanes of the formula I (I) where A and B are identical or different and are each hydrogen, unsubstituted or halogen-substituted alkyl of 1 to 4 carbon atoms, naphthyl, hetaryl, biphenyl or phenyl, where the phenyl radi...
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JPH069459A |
PURPOSE: To cyclooligomerize 3-hydroxy-1-alkynes by using catalyst of reduced nickel content and of a small quantity. CONSTITUTION: 3-Hydroxy-1-alkynes having 4-20C atoms are cyclooligomerized to 1,3,5-tris-(α-hydroxyisopropyl)-benzene ...
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JPH062693B2 |
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JPH062701B2 |
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JPH062692B2 |
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JPH062756B2 |
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JPH0587496B2 |
The invention provides novel insecticidally useful fluorinated ethers of formula : Ar-CX(Z)-CHX min -CH2OY where Ar and Y are both substituted aryl groups, Z is a lower fluoroalkyl group (eg. trifluoromethyl), X min is hydrogen and X is ...
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JPH0583528B2 |
New polysubstituted derivatives of naphtalene. These derivatives correspond to the following formula: (I) in which: R1 to R4 is H or CH3 R5 is (i) (ii) -C 3BOND N (iii) or (iv) the radical: 2-oxazolinyl m is 0 or 1 R8 is H, alkyl, OR11, ...
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JPH05310620A |
PURPOSE: To efficiently obtain under mild conditions an α,β-unsaturated alcohol useful as an intermediate for synthetic resins, medicines or pesticides by hydrogenation of an α,β-unsaturated aldehyde using as catalyst an inexpensive ...
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JPH05301834A |
PURPOSE: To industrially produce an α,β-unsaturated alcohol in high activity and in high selectivity by using an inexpensive metal having low toxicity. CONSTITUTION: In producing an α,β-unsaturated alcohol by reacting an α,β-unsatu...
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JPH0579654B2 |
The invention provides novel compounds of the formula: in wherein m is 1 or 2, R6 and R7, which can be the same or different are H or an alkyl group of 1 to 4 carbon atoms, or wherein n is 0 to 4, R1 and R2 which can be the same or diffe...
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JPH05279282A |
PURPOSE: To produce an aromatic polyhydric alcohol on an industrial scale in high productivity and yield. CONSTITUTION: A copper-based catalyst having lowered activity is activated by heating under hydrogen pressure. An aromatic polyhydr...
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JPH0576457B2 |
Alkylene oxides are hydrolyzed in a reaction menstruum containing an aqueous phase, a water-immiscible liquid phase, and a selectivity-enhancing, dissociatable metalate anion-containing material. The concentration of the metalate anion-c...
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JPH0575733B2 |
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JPH05271131A |
PURPOSE: To provide a new intermediate product for inexpensive production of vitamins A and E and carotenoids. CONSTITUTION: The intermediate product of the vitamin A is a product of formula I (R1' to R4' are each H, an alkyl; A is Cl, B...
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JPH05271127A |
PURPOSE: To produce the corresponding alcohol from carboxylic acid esters at a low cost according to simple operation by utilizing a hydrogen-transfer reducing reaction. CONSTITUTION: Carboxylic acid esters are reduced in the presence of...
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JPH0574580B2 |
Process for the purification of crude beta -phenylethyl alcohol by azeotropic distillation in the presence of alkanolamines in which the alkylene chain contains 2 to 4 carbon atoms and is optionally substituted by 1 to 4 C1-C3-alkyl groups.
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JPH0573732B2 |
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JPH0573693B2 |
Agglomerates of spheroidal masses of malachite crystals are prepared so that they contain silicic acid. These agglomerates can be used to prepare a copper-acetylide _ complex, which in turn can be used as a catalyst for the preparation o...
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JPH0572370B2 |
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JPH0572371B2 |
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JPH0571572B2 |
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JPH0570631B2 |
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JPH05255158A |
PURPOSE: To obtain an alkenol in a high yield which is useful as a pheromone or a precursor for synthesis of pheromone by reaction of phosphonium salt with aldehyde or hemiacetal. CONSTITUTION: Phosphonium salt of formula R1-CH2-P+(C6H5)...
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JPH05255470A |
PURPOSE: To provide di-(poly)isocyanate solutions useful to impart water, oil and stain resistance to porous inorganic substrates impregnated therewith. CONSTITUTION: A fluorine-containing di- or polyisocyanate characterized by being the...
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JPH05255159A |
PURPOSE: To obtain the subject compound useful as a synthetic intermediate for medicines, agricultural chemicals and fine chemicals in one-stage reaction in good selectivity by reacting 2-propynyl carbonates with a carbonyl compound in t...
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JPH0569817B2 |
1-(4-hydroxy-3-(hydroxymethyl) phenyl)-2-amino-1-ethanol derivs. of formula (I) and their salts and solvates are new. In(I) m = 2-8 and n = 1-7, provided that m+n = 4-12; Ar = phenyl opt. substd. by 1 or 2 of halogen, 1-3C alkyl and 1-3C...
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JPH05246904A |
PURPOSE: To produce 1,1,3,4,4,6-hexamethyltetralin useful as a synthetic intermediate for musky perfumes in good yield. CONSTITUTION: An organometallic compound of formula I (M is magnesium chloride or lithium atom) and 2-oxa-4-methyl-4-...
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JPH05247017A |
PURPOSE: To obtain a new repandiol and its derivative, having excellent antitumor activity and useful as a medicine. CONSTITUTION: The objective repandiol and its derivative of formula I (R1 is H or lower acyl), e.g. (2R, 3R, 8R, 9R)-4,6...
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JPH0567129B2 |
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JPH05246917A |
PURPOSE: To obtain novel odorant substances dihydrocampholenic aldehyde deriv. having fruit-like, flower-like or woody accompanying odor and especially suitable for modification and reinforcement of known compositions. CONSTITUTION: This...
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JPH05246905A |
PURPOSE: To produce 1,1,3,4,4,6-hexamethyltetralin useful as a synthetic intermediate for musky perfumes in good yield. CONSTITUTION: An organometallic compound of formula I (M is magnesium chloride or lithium atom) and methyl isopropyl ...
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JPH05246929A |
PURPOSE: To obtain a new chain terpene having a structure prepared by developing sarcophytol A having anti-carcinogenic promoter action and antitumor action in a chain state and being expected to have the same pharmaceutical actions as t...
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JPH05238972A |
PURPOSE: To obtain the subject compound useful as a raw material for producing medicines, etc., in high purity and yield by subjecting allyl acetate to alcoholysis with an alcohol having a boiling point higher than that of allyl alcohol ...
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JPH0564949B2 |
Novel fluorinated 1-( alpha -phenylalkyl)-1H-1,2,3-triazole compounds of the formula: in which Ph denotes a phenyl radical which is substituted in the o-position by fluorine and optionally additionally by at least one further halogen ato...
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JPH05230075A |
PURPOSE: To produce an alcohol derivative important as a raw material for medicines, agricultural agent, functional material, etc., and having a difluoromethyl group at a position. CONSTITUTION: The objective alcohol derivative expressed...
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JPH05229974A |
PURPOSE: To obtain a new compound useful as liquid crystal element, etc., capable of controlling kinds of liquid crystal phases developing in a liquid crystal state and a temperature range, having excellent electric field response. CONST...
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