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JPH09176113A |
To obtain an intermediate compound containing p-nitrobenzyl ester- protecting group useful for synthesizing thienamycin and other carbapenem antibiotics. This carbapenem synthetic intermediate is shown by formula I (R4 is H or a hydroxyl...
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JPH09157240A |
To obtain an azo compound by a process advantageous from the operational and economical points of view by dispersing solid particles of a phenolic compound in water in the presence of a surfactant and subjecting the phenolic compound to ...
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JP2619906B2 |
Ketonic compounds, in which at least one strongly electron- withdrawing substituent is bonded to the carbon atom in the neighbouring position to the ketonic group and/or in which a pi -electron system is conjugated to the carbon-oxygen d...
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JP2619716B2 |
3,3-diphenylacrylic acid amides are prepared by the reaction of a benzophenone with an acetamide in the presence of an alkali metal tertiary alcoholate characterised in that an alkali metal mono-alkyl carbonate is additionally present.
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JPH09505331A |
PCT No. PCT/EP94/03330 Sec. 371 Date Apr. 19, 1996 Sec. 102(e) Date Apr. 19, 1996 PCT Filed Oct. 10, 1994 PCT Pub. No. WO95/11278 PCT Pub. Date Apr. 27, 1995Diphenylamines of the formula where the ring A can be benzo-fused, and D is aryl...
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JPH09504546A |
A process for preparing substituted aromatic amines is provided which comprises contacting a substituted aromatic azo compound and an alcohol selected from the group consisting of aliphatic alcohols, cycloaliphatic alcohols, arylalkyl al...
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JP2598830B2 |
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JP2593875B2 |
The novel compounds are chiral esters of alpha -substituted phenylalkanoic acids and mesogenic hydroxy compounds, the symbols in the general formula (I) (I) being defined as follows: MO=molecular radical of a mesogenic hydroxy compound M...
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JP2591743B2 |
Compounds of formula (1): and stereoisomers thereof, wherein W is R<1>O2-C=CH-ZR<2>, wherein R<1> and R<2>, which are the same or different, are alkyl or fluoroalkyl groups, and Z is either an oxygen or sulphur atom; A is an oxygen or su...
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JP2581852B2 |
PURPOSE: To provide a new compound having maximum absorption wavelength of UV spectrum at 372-382nm, free from absorption in visible range, having high sensitivity and excellent storage stability and solubility, and useful as a photosens...
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JP2577980B2 |
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JP2576865B2 |
Certain novel N-substituted-N min -substituted-N,N min -diacylhydrazines are useful insecticides, especially against insects of the order Lepidoptera and Coleoptera. The insecticides, compositions containing them and their use are disclo...
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JP2573872B2 |
3,3-Diarylacrylic acid amides are prepared by the reaction of a benzophenone with an acetamide in the presence of a base characterised in that a sodium alcoholate is used as the base.
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JPH08337548A |
To obtain a new triphenylene derivative liquid crystal compound having good photoconductive characteristics at lower temperature and good moldability into photoconductive layers. This compound is a compound expressed by formula I (Rs are...
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JPH08325167A |
To obtain a reagent having an alkoxyl group having an unsaturated group at the β-position, e.g. propargyl, benzyl or allyl group and useful for cleaving an unsaturated alkoyloxycarbonyl functional group. (A) A reagent comprising (I) an ...
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JP2559758B2 |
Disazo compounds based on 4,4'-diaminodiphenyl compounds contain not less than 50% by weight of a disazo compound of the general formula A-N=N-Z-N=N-B (I) where Z is a radical of an unsubstituted of symmetrically substituted diphenylene,...
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JP2558051B2 |
PURPOSE: To provide the subject reagent having excellent selectivity and useful for peptide synthesis or the like comprising an aqueous phase, a specific catalyst and a nucelophilic compound soluble in water, which cleaves unsaturated al...
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JP2554883B2 |
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JP2552811B2 |
Compounds having the structural formula ined in the specification are disclosed. The compounds of this invention are effective for controlling mites, nematodes, rice planthopper, tobacco budworm, and southern corn rootworm. Methods for m...
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JP2551555B2 |
Compounds of formula:and stereoisomers thereof, wherein X, Y and Z, which may be the same or different, are hydrogen or halogen atoms, or optionally substituted alkyl, optionally substituted alkenyl, optionally substituted aryl, optional...
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JPH08283591A |
To improve heat stability, light fastness, tinting strength, and brightness in thermal transfer by using a specific methine dye. A methine dye for use in thermal transfer, represented by the formula [wherein K represents a five- or six-m...
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JP2538997B2 |
Diazo compounds are prepared by diazo group transfer to activated methylene compounds using an azidoformamidinium salt as the diazo group transfer agent. Azo compounds are also prepared in this manner.
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JP2539869B2 |
A method for making papers which comprises: using a paper sizing agent comprising as an effective component an alpha -hydroxycarboxylic acid having the formula (I): (I) wherein R1 is an alkyl group having 8 to 30 carbon atoms, an alkenyl...
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JPH08253778A |
PURPOSE: To obtain an improver which, when added in a small amount, is more effective in heightening cetane value. CONSTITUTION: The improver comprises as an active ingredient at least one azoalkane derivative represented by formula 1 [w...
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JPH08231570A |
To obtain the subject new complex consisting of a triazenide compound obtained by reacting a triazene with a transition metal compound in the presence of a base, and useful as a catalyst for a hydrosilylation reaction of an addition of a...
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JPH08225504A |
PURPOSE: To obtain a new macroago compound, containing plural azo groups having different decomposition activities in the molecule and useful as an initiator capable of readily and efficiently providing a block copolymer without requirin...
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JP2519426B2 |
5-tert-Octyl-2-(2-hydroxy-3,5-di-alpha-cumylphenyl)-2H-benzo
triazole and related 2H-benzotriazoles substituted on the 5-position of the benzo ring by a higher alkyl group such as tert-octyl or dodecyl exhibit outstanding efficacy in pro...
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JPH08179389A |
PURPOSE: To provide a nonlinear optical material which exhibits a large quadratic or higher nonlinear optical effect and has a lower light propagation loss, and a nonlinear optical waveguide element formed by using this material. CONSTIT...
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JPH08176089A |
PURPOSE: To obtain the subject compound useful as an intermediate raw material for agrichemicals or medicines in a high quality and in a high yield under a mild condition by reacting a pyruvic acid ester with a substituted phenylhydrazin...
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JPH08506175A |
Encoded combinatorial chemistry is provided, where sequential synthetic schemes are recorded using organic molecules, which define choice of reactant, and stage, as the same or different bit of information. Various products can be produc...
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JPH08157394A |
PURPOSE: To readily obtain the subject compound in high selectivity because of simple separation/recovery of an acid and no requirement of complicated operation in waste water treatment, by using a solid acid catalyst in iodating an arom...
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JPH08505646A |
The present invention provides a compound of formula (I) processes for the preparation of the compounds of the invention in addition to intermediates useful in these processes, a pharmaceutical composition, and a method of treating disor...
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JP2505907B2 |
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JPH08101413A |
PURPOSE: To obtain a nonlinear optical material with the aggregation, crystalliza tion and orientational relaxation reduced in a high content and having a large secondary and tertiary nonlinear optical characteristics by incorporating a ...
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JPH0825978B2 |
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JPH0822840B2 |
The invention provides a process for the preparation 3,3-diaryl acrylic acid amides of the formula in which A, B and Q are as defined in the specification, characterised by condensing a compound of formula with a compound of formula ZCH2...
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JPH0822827B2 |
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JPH0859520A |
PURPOSE: To obtain a high-performance new benzanthrone derivative good in compatibility with especially a binder resin as a charge transport substance used for electrophotographic photoreceptors. CONSTITUTION: This benzanthrone derivativ...
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JPH0859589A |
PURPOSE: To obtain a diazo compound useful for e.g. photosensitive lithographic printing matrices high in plate wear, free from print stain, excellent in developability and having wide pH latitude. CONSTITUTION: This diazo compound is su...
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JPH0819051B2 |
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JPH0853401A |
PURPOSE: To obtain a new aromatic diazonium salt useful as a positive type or negative type radiation-sensitive mixture to be used for covering a radiation- sensitive recording material and a photoreaction initiator. CONSTITUTION: This i...
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JPH0827168A |
PURPOSE: To provide a new compound useful as a synthetic intermediate for carbapenem antibiotic substances such as thienamycin. CONSTITUTION: This compound is expressed by formula I (R1 to R3 are each a 1-4C alkyl) such as p-nitrobenzyl ...
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JPH08800B2 |
A detectable molecule of the formulawhere A3 is A2 or a polymer, where A3 has at least one modifiable reactive group selected from the group consisting of amino, hydroxy, cis OH, halides, aryl, imidazoyi, carbonyl, carboxy, thiol or a re...
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JPH07120043B2 |
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JPH07108955B2 |
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JPH07258562A |
PURPOSE: To obtain an azo dye with excellent qualities in a high yield by coupling a diazo compound prepared by reacting a specific amine with an excess of an alkali metal nitrite and a mineral acid. CONSTITUTION: There is provided a pro...
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JPH07509056A |
The subjects of the invention are kits comprising free or support bound peptide mixtures (sub-libraries) as components, methods for their preparation and method for their use in discovery of bioactive peptides as potential drugs. Groups ...
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JPH0788344B2 |
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JPH07247401A |
PURPOSE: To obtain the material useful in excimer laser lithography by forming a layer containing a polyglycidyl acrylate and a light absorbent for low wave length between the base and the photosensitive resin layer to prevent the irregu...
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JPH0784565B2 |
NEW MATERIAL:Compounds of formula I, wherein A is a group of formula II, IIIor IV (wherein R is alkyl, alkoxy, NO2, CN, halogen, halomethyl; n is 0-3). EXAMPLE:Compounds of formula V, wherein R1-R3 are each H. USE:Disazo compds. which ar...
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