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WO/1996/027620A1 |
A process for the preparation of (co)polymers employing a peroxide composition comprising at least one organic peroxide wherein at least 20 % of the total active oxygen content of said organic peroxide is attributable to one or more cycl...
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WO/1996/022986A1 |
A process for purifying trioxane comprising the step of feeding an organic solution containing at least one low-boiling impurity selected from the group consisting of methyl formate, methylal, formaldehyde and methanol, CH3O(CH2O)nCH3 (w...
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WO/1996/021639A1 |
Novel liquid electrolyte plasticizers having enhanced ambient temperature conductivity are provided. These plasticizers have general structures (1), (2) and (3), in which Ra, Rb, Rc, Re, Rf, Ri, 'alpha', 'beta', 'gamma', l, p and q are a...
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WO/1996/014313A1 |
A process for preparing 4,4'(5')-[di-t-butyldicyclohexano]-18-crown-6 containing an enhanced amount of an isomer that extracts strontium ions from aqueous solution is disclosed. According to the process, an anhydrous reaction mixture is ...
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WO/1996/013496A1 |
An efficient process for producing trioxane by bringing an aqueous formaldehyde solution into contact with an acidic catalyst, wherein the conditions are controlled so that the concentrations of methanol and formic acid in the reaction m...
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WO/1996/003397A1 |
A transportable, storage stable cyclic ketone peroxide composition which comprises 1.0-90 % by weight of one or more cyclic ketone peroxides and 10-99 % by weight of one or more diluents selected from the group consisting of liquid phleg...
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WO/1996/000728A1 |
This invention relates to novel compounds and derivatives thereof containing a trioxepane protected diol in addition to a hydrazone, hydrazine, amine, or cyclic urea moiety; methods for the preparation of said compounds; and the use of s...
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WO/1995/020586A1 |
A process for producing trioxane from an aqueous formaldehyde solution at a high distillation efficiency in an energy-saving manner, which comprises the following steps (i) to (iv): (i) the step of forming trioxane by passing a highly co...
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WO/1995/016723A1 |
Glycerol, 2,2-dimethyl-1,3-dioxolane-4-methanol (Solketal), glycidol or glycerol carbonate is polymerized into preponderantly linear oligomers at 150 �C to 350 �C in the presence of anionic clay material, preferably hydrotalcite, as ...
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WO/1995/015960A1 |
A process for the trimerization of aqueous formaldehyde solution to produce trioxane in a multistage in situ catalyst reactor-extractor column containing a cationic exchange resin. The process entails countercurrent flow of formaldehyde ...
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WO/1995/011892A1 |
A method for the stabilization of cyclic acetals against oxidation, reduction and decomposition for extended periods of time by the addition thereto of a tertiary amine, wherein the cyclic acetals may be polymerized without prior removal...
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WO/1994/024138A1 |
Calix|4|arene crown ethers formula (I), wherein R1 is a group of formula X(C2H4X)m and X(C2H4X)nYX(C2H4X)n where X=0 or N(R4), m=3, 4, 5 or 6, Y=cycloalkylene or arylene and n=1, 2, or 3. Such calix|4|arene crown ethers whose benzene nuc...
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WO/1994/013660A1 |
The amount of chiral doping substances in FLC mixtures may be reduced by introducing chiral complex ligands and macrocycles into the FLC mixture or on the orientation layer.
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WO/1994/006788A1 |
Compounds having general formula (I) or general formula (II). Compounds of formulae (I) or (II) have interesting antifungal activities and may, accordingly, be used as active ingredients in fungicidal compositions.
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WO/1993/024439A1 |
This invention relates to an aqueous process for recycling polyacetal, and moldings thereof, into formaldehyde monomer solution, said process occurring at elevated temperature and pressure and in the presence of an acid decomposition cat...
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WO/1993/017690A1 |
Novel chemical compounds that can be used to synthesize halichondrin B and norhalichondrin B, and related derivatives. The total synthesis of halichondrin B and norhalichondrin B is also disclosed.
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WO/1993/014756A1 |
Novel 1,2,4-trioxanes which possess antimalarial activity.
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WO/1993/013045A1 |
The invention relates to a polymeric optical amplifier doped with lanthanide ions, which are present in the amplifier in the form of a complex. The invention also relates to novel electrically neutral lanthanide complexes which can be ap...
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WO/1993/013089A1 |
A series of novel, macrocyclic polyether compounds. The macrocycles have a 21-membered ring, containing six oxygen atoms, and they have a carboxy group (or a salt thereof) directed towards the interior of the ring. Administration of the ...
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WO/1993/012654A1 |
The present invention provides a method of medical treatment for systemic disorders and oral pharyngeal conditions in a mammal. In this method, a pharmacologically effective amount for treatment of the disorder or condition of a trioxola...
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WO/1993/012428A1 |
The invention provides compounds represented by formula (I), wherein Y is -(CH2)2[O(CH2)2]n- in which n is an integer from 1 to 6; Z is -N=N-Ar in which Ar is a substituted or unsubstituted aryl group; Q is hydrogen or an alkyl group hav...
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WO/1993/007119A1 |
The present invention relates to new tetraoxanes useful in the treatment of malaria and to processes for the production thereof. The invention also relates to methods for the treatment of malaria and, in particular, to the treatment of c...
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WO/1993/002991A1 |
A process for ozonizing an unsaturated fatty acid or a lower alkyl ester thereof, which comprises flowing a thin-film stream of the acid or ester and a gas comprising ozone and oxygen or a mixture of oxygen with air or an inert gas in th...
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WO/1992/022547A1 |
This invention concerns a cyclic ether of the formula [CF2CFHOR4CF2CH2O]q , wherein R4 is perfluoroalkylene and q is 2, 3 or 4. In preferred cyclic ethers, R4 is -[CF2CF(CF3)O]t(CF2)u-, wherein u is 1 to 10 and t is 1 to 20, and it is es...
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WO/1992/020669A1 |
The present invention relates to highly diastereoselective processes for production of cis-nucleosides and nucleoside analogues and derivatives in high optical purity and intermediates useful in those processes.
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WO/1992/020696A1 |
The present invention relates to highly diastereoselective processes for production of cis-nucleosides and nucleoside analogues and derivatives in high optical purity and intermediates useful in those processes.
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WO/1992/018495A1 |
Novel bis (extraannular functionally-substituted phenylene) crown compounds, useful as chelating agents or in the synthesis of condensation polymers containing large semi-rigid macrocycles in the polymer backbone, are described. A broad ...
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WO/1991/015280A1 |
A method and apparatus for extracting strontium and technetium values from biological, industrial and environmental sample solutions using a chromatrographic column is described. An extractant medium for the column is prepared by generat...
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WO/1991/004971A1 |
Bis(carboalkoxy-substituted m-phenylene)-32-crown-10 compounds, useful as polymerizable monomers, can be formed in one step by reacting a functionalized dihydroxy aromatic compound with a dihalopolyether. In the same reaction, carboalkox...
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WO/1990/015610A1 |
A composition for removing or inactivating harmful components including virus from blood or other extracellular liquids comprises a crownether compound substituted on a polysaccharide, preferably dextrane. The composition may be soluble ...
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WO/1990/014764A1 |
Methods of treating systemic viral infections are disclosed comprising the parenteral administration of pharmacologically effective amounts of ozonides of terpenes in pharmaceutically acceptable carriers. Methods for treating viral lesio...
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WO/1989/012626A1 |
Ozonides of terpenes are disclosed. Terpenes which are believed to be pharmacologically active when prepared in accordance with the present invention include: limonene, citronella, alpha-carotene, beta-carotene, Vitamin A, linalool, lina...
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WO/1987/000168A2 |
Ionophores for use in sensors for the potentiometric determination of the ion content or activity of a sample and the concentration of other components of a sample. Membranes having the ionophores are also disclosed.
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WO/1986/004239A1 |
Novel polypeptides, polynucleotide sequences, DNA constructs and compositions are provided for the preparation and use of polypeptides associated with naturally occurring polypeptides found in brains. The low molecular weight polypeptide...
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WO/1985/003078A1 |
Platinum and crown ether complexes having the general formula (I), wherein C is a mono- or bicyclic crown ether, A is ammonia or a mono- or di-Cl-C4-alkylamine or an amine function contained in the crown ether and X is halogen or the ani...
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WO/1983/000149A1 |
New crown ether derivatives of formula (I)$(6,)$wherein R stands for hydrogen or C1-4 alkyl, n stands for 1,2, X stands for oxygen, sulphur or a NH-group, Y represents hydrogen or nitro, Z represents a chemical bond, -CH2-, -(CH2)2-4-, -...
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JP2024515148A |
1,2,4,5-tetraoxane compounds and derivatives thereof having anti-cancer properties are disclosed. Pharmaceutical compositions and formulations in unit dosage form suitable for the delivery of these compounds to a subject in need thereof ...
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JP2023128354A |
To quantitatively release crown ether from an ion-conducting crystal into a solution and recover it from the solution into the ion-conducting crystal.A method of supplying and recovering crown ether includes: a crown ether supply step of...
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JP2023072400A |
To provide a method for controlling physiological activity of a macrocycle which can use light for releasing a catenane structure.A method for controlling physiological activity of a macrocycle includes: a catenane formation step of mixi...
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JP7248500B2 |
To add excellent antibacterial persistence to a resin composition by blending cyclic polyether ester together with an antibacterial component to a resin.There are provided cyclic polyether ester (P) by binding bivalent groups represented...
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JP2023507900A |
Tricyclic compounds represented by general formula (I), pharmaceutical compositions containing the same, methods for their preparation, and their pharmaceutical uses are disclosed. The compounds can be used to prevent and treat a wide va...
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JP2022191236A |
To provide prodrugs and pharmaceutical compositions containing the prodrugs.A prodrug has the following formula, where R5 independently represent a drug moiety and binds to L5 through N of the drug moiety or binds to L5 through O of the ...
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JP2022186753A |
To provide a rotaxane compound which functions as a vulcanizer.A rotaxane compound includes one or more cyclic molecules and a shaft molecule penetrating the inner pore part of the cyclic molecule and having a cap structure arranged such...
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JP2022173698A |
To provide a network polymer which can be used as a detection agent and a scavenger for a metal ion existing in water, in particular for an alkali metal ion, and further which makes it possible to remove (recover) a radioactive cesium io...
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JP7153921B2 |
To provide a storage method that can handle TATP in a safe and stable state.TATP is dissolved in water, and an undissolved portion of TATP is filtered, and the concentration is controlled to 50-170 ppm, and the obtained TATP solution is ...
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JP2022123877A |
To provide a test drug and a fractional determination method for polyamines.The invention provides a compound represented by the general formula in the figure, or an isomer thereof. [In the formula, L1 and L2 are divalent polyether chain...
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JP2022114240A |
To provide a crown ether structure-containing polyimide that traps cations such as metal ions and ammonium ions and has high solubility in various solvents, a method for producing the crown ether structure-containing polyimide, and a cro...
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JP7100314B2 |
An object of the present invention is to provide a novel rotaxane and a polyurethane using the same. The present invention provides a rotaxane having a crown ether and a chain molecule piercing through the cyclic structure of the crown e...
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JP2022102171A |
To provide a compound suitable as the starting material for a polyhydroxyalkanoate resin having good thermoformability and biodegradability, a composition containing the compound, and a polymer prepared by ring-opening polymerization of ...
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JP2022525195A |
New Calix crowns, such as those of Formula I, are provided herein that are useful for coating solid substrates such as protein chips, diagnostic kits, or protein separation packs. Also provided herein are methods of detecting protein-pro...
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