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7579485 |
Process for producing lactone
A method for producing lactones, which comprises reacting an amide compound of Formula (I):
[wherein X represents a halogen atom; R, R′ and R 1 to R 6 each independently represents a...
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7498450 |
Homogeneous process for the hydrogenation of dicarboxylic acids and/or anhydrides thereof
A homogeneous process for the hydrogenation of dicarboxylic acids and/or anhydrides in the presence of a catalyst comprising: (a) ruthenium, rhodium, iron, osmium or palladium; and (b) an organic...
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7459571 |
Catalyst extrudates based on copper oxide and their use for hydrogenating carbonyl compounds
Catalyst in the form of an extrudate which comprises from 5 to 85% by weight of copper oxide and in which the same oxidic support material is present in the active composition and as binder, and...
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7442810 |
Method for the production of defined mixtures of THF, BDO and GBL by gas phase hydrogenation
A process for variably preparing mixtures of optionally alkyl-substituted BDO, GBL and THF by two-stage hydrogenation in the gas phase of C 4 dicarboxylic acids and/or derivatives thereof, which...
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7427684 |
Process for the production of lactams
A homogeneous process for the hydrogenation of dicarboxylic acid and/or derivative thereof with an amine in the presence of a catalyst comprising: (a) ruthenium or osmium; and (b) an organic...
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7414145 |
Method of enantioselective nucleophilic addition reaction of enamide to carbonyl group and synthesis method of optically active α-hydroxy-γ-keto acid ester and hydroxydiketone
A method of an enantioselective nucleophilic addition reaction to carbonyl, which enables an asymmetric synthesis of an optically active α-hydroxy-γ-keto acid ester, an optically active...
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7414139 |
Catalytic antioxidants and methods of use
The invention provides small molecules that act as catalytic antioxidants and methods of use thereof. The compounds can repeatedly bind and destroy reactive oxygen species by serving as substates...
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7341818 |
Norbornene-type monomers and polymers containing pendent lactone or sultone groups
The disclosed invention relates to novel norborne-type monomers containing pendent lactone or sultone groups. The invention also relates to norborne-type polymers and copolymers containing pendent...
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7329766 |
Process for stereoselectively reducing 4-aryl-4-oxobutanoic acid derivatives
The present invention relates to a process for preparing stereoisomerically enriched 4-aryl-4-hydroxybutanoic acid derivatives by reducing 4-aryl-4-ketobutanoic acid derivatives in the presence of...
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7316884 |
5-methylene-1,3-dioxolan-4-one derivatives, process for their production, polymers of the derivatives, resist compositions, and pattern formation process
A 5-methylene-1,3-dioxolan-4-one derivative and a monomer and copolymer thereof and a resist composition containing the polymer or copolymer where the 5-methylene-1,3 -dioxolan-4-one derivative is...
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7314942 |
Methylenelactones syntheses in supercritical fluids
Alpha-methylenelactone is produced from butyrolactone and valerolactone by the addition of formaldehyde in a supercritical fluid.
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RE39794 |
Process for the simultaneous production of maleic anhydride and its hydrogenated derivatives
A process is described for the co-production of maleic anhydride and at least one C 4 compound selected from butane-1,4-diol, γ-butyrolactone, and tetrahydrofuran in which maleic anhydride is...
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7205416 |
Liquid phase synthesis of methylene lactones using novel grafted catalyst
Process for converting certain lactones to their alpha-methylene substituted forms that exhibits high conversion and selectivity.
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7183421 |
Processes for producing oxide with higher oxidation than alcohol
The present invention provides a process for producing an oxide from an alcohol compound, the process comprising the steps of causing silica gel to carry the alcohol compound thereon and an...
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7166727 |
Supercritical fluid phase synthesis of methylene lactones using novel grafted catalyst
Process for converting certain lactones to their alpha-methylene substituted forms in a supercritical or near-critical fluid phase reaction using a novel grafted catalyst that not only exhibits...
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7153981 |
Supercritical fluid phase synthesis of methylene lactones using oxynitride catalyst
Process for converting certain lactones to their alpha-methylene substituted forms in a supercritical or near-critical fluid phase reaction using an oxynitride catalyst or a composite oxynitride...
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7151185 |
Gas phase synthesis of methylene lactones using oxynitride catalyst
Process for converting certain lactones to their alpha-methylene substituted forms using an oxynitride catalyst or a composite oxynitride catalyst incorporating lithium, sodium, potassium,...
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7141682 |
Liquid phase synthesis of methylene lactones using oxnitride catalyst
Process for converting certain lactones to their alpha-methylene derivatives in the liquid phase using oxynitride catalysts or composite catalysts incorporating dithium, sodium, potassium,...
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7101654 |
Norbornene-type monomers and polymers containing pendent lactone or sultone groups
The disclosed invention relates to novel norbornene-type monomers containing pendent lactone or sultone groups. The invention also relates to norbornene-type polymers and copolymers comprising one...
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7078404 |
Acyl-3-carboxyphenylurea derivatives, processes for preparing them and their use
The invention relates to acyl-3-carboxyphenylurea derivatives and to their physiologically tolerated salts and physiologically functional derivatives. The invention relates to compounds of formula...
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7053118 |
Lactone compounds and methods of use
The subject invention provides novel compositions of biologically active compounds which can advantageously be used for inhibiting pathological cellular proliferation. The compounds of the subject...
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7041838 |
(Meth)acrylate esters, starting alcohols for the preparation thereof, processes for preparing both, polymers of the esters, chemically amplifiable resist compositions, and method for forming patterns
A (meth)acrylate represented by the following formula ( 1 ):
wherein each of R 1 , R 2 , R 3 and R 4 represents a hydrogen atom, a methyl group or an ethyl group; either one of X 1 or X 2 ...
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7037995 |
Tertiary (meth)acrylates having lactone structure, polymers, resist compositions and patterning process
Novel tertiary (meth)acrylate compounds having a lactone structure are polymerizable into polymers having improved transparency, especially at the exposure wavelength of an excimer laser and dry...
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6989455 |
Two-stage process for the hydrogenation of maleic acid to 1,4-butanediol
In the process for the conversion of maleic acid to gamma-butyrolactone, 1.4-butanediol and/or tetrahydrofuran, a feedstream comprising maleic acid is hydrogenated in a first hydrogenation zone to...
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6960573 |
Vitamin D3 derivative and treating agent for inflammatory respiratory disease using same
Compounds expressed by the following general formula (1),
[wherein, R 01 and R 02 are each independently a hydrogen atom or a protecting group for a hydroxyl group; Z is one out of the...
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6958145 |
Synthesis of cyclic compounds
A method for the preparation of a compound of formula (II) wherein R 1 and R 2 are independently H, alkyl, alkoxy, oxoalkyl, alkenyl, aryl or arylalkyl whether unsubstituted or substituted,...
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6949536 |
Sulfonylbenzene compounds as anti-inflammatory/analgesic agents
This invention provides a compound of the formula:
or its pharmaceutically acceptable salt thereof, wherein A is partially unsaturated or unsaturated five membered heterocyclic, or partially...
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6906051 |
Lactone integrin antagonists
The present invention relates to a class of compounds represented by the Formula I:
or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of the...
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6900242 |
Lactone formulations and method of use
Compounds of Formula Ia and Ic having a lactone structure and an methylene group at the alpha-position of the lactone structure and methods for using and making the compounds have been disclosed....
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6891036 |
Process for the preparation of ribofuranose derivatives
The present invention relates to a new process in 3 steps starting from 2-C-methyl-D-ribopentono-1,4-lactone for the preparation of tetra-acyl ribofuranose derivatives of formula (I):
useful...
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6846389 |
Method for distillative separation of mixtures containing tetrahydrofuran, γ-butyrolactone and/or 1,4-butanediol
In a process for the continuous fractional distillation of mixtures comprising tetrahydrofuran, γ-butyrolactone and/or 1,4-butanediol to give at least three fractions, the fractionation is carried...
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6797830 |
Process for producing oxide with higher oxidation than alcohol
The present invention provides a process for producing an oxide from an alcohol compound, the process comprising the steps of causing silica gel to carry the alcohol compound thereon and an...
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6787655 |
Asymmetric 1,4-reductions of and 1,4-additions to enoates and related systems
One aspect of the present invention relates to methods for the transition-metal-catalyzed asymmetric 1,4-addition of a nucleophile, e.g., hydride, to cyclic and acyclic enoates and enones. In...
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6784302 |
Method of producing optically active lactone compound and complex used in the method
An optically active lactone compound is produced by using a Zr(salen) complex of the following formula (I) or its enantiomer as a catalyst and subjecting a cyclic ketone compound to a...
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6768013 |
Intrinsically safe oxidation process
A novel process for the direct oxidation of hydrogen and hydrocarbons is disclosed, where the explosion risks inherent in gas phase oxidations are substantially eliminated. Gaseous oxidation...
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6720327 |
Lactone integrin antagonists
The present invention relates to a class of compounds represented by the Formula I. or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of the Formula...
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6703515 |
Chiral derivatives of Hibiscus acid bearing lactone ring moiety, process for preparing the same and a convenient method for the large-scale isolation of Hibiscus acid
The present invention relates to a novel chiral compound of Hibiscus acid bearing lactone moiety of formula I, Wherein: R 1 ═R 2 ═alkali salt of carboxylic acid or acid chloride or lower...
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6696217 |
Photosensitive monomer, photosensitive polymer and chemically amplified resist composition comprising lactone group having acid-labile protecting group
A photosensitive monomer including a methylene butyrolactone derivative represented by the following formula: wherein R 1 is a hydrogen atom or alkyl group, R 2 is an acid-labile group, X is a...
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6686390 |
Compounds having antiinflamatory activity: process for their preparation and pharmaceutical compositions containing them
The present invention relates to novel heterocyclic compounds of the general formula (I), their derivatives, their analogs, their tautomeric forms, their stereoisomers, their regioisomers, their...
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6649776 |
Methylenelactone synthesis in supercritical fluids
Alpha-methylenelactones are produced from butyrolactone and valerolactone by the addition of formaldehyde in a supercritical fluid in the presence of a catalyst and a phase transfer agent.
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6579992 |
Method for producing chiral dihydrotagetone, and its conversion to chiral 5-isobutyl-3-methyl-4,5-dihydro-2(3H)-furanone
A natural inexpensive acyclic monoterpene ketone (dihydrotagetone) of formula (4), isolated from the oil of Tagetes sp., was smoothly oxidized with meta-periodate/potassium permanganate into...
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6559322 |
Process for preparation of a lactone from a cyclic ketone
The present invention provides a new biocatalyst whole cell system for converting cyclic ketones such as cyclopentanone/cyclohexanone to the corresponding lactones such as...
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6552217 |
Process for the preparation of alkyl 1-methylcyclopropanecarboxylate
Disclosed is a 4-step process for the preparation of alkyl esters of 1-methylcyclopropanecarboxylic acid which comprises the steps of (1) converting γ-butyrolactone to α-methyl-γ-butyrolactone;...
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6541646 |
Method of preparing COX-2 inhibitors
The invention relates to a method for producing compounds of general formula (I) wherein R 1 is selected from the following groups: (a) OR 5 and (b) mono-, di-, or tri-substituted phenyl; and R 2...
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6531616 |
Process for the preparation of a-methylenelactones and a-substituted hydrocarbylidene lactones
This invention pertains to a process for making α-methylenelactones and α-substitute hydrocarbylidene lactones. More specifically, the present invention obtains high yields of...
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6531460 |
Vitamin D, derivatives and remedies for inflammatory respiratory diseases containing the same
Compounds expressed by the following general formula (1), The compounds can be used as active ingredients of treating agents for inflammatory respiratory diseases, malignant tumors, rheumatoid...
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6521763 |
Method for producing gamma-butyrolactone
In a process for preparing GBL by reaction of 1,4 butanediol over a copper catalyst, use is made of a 1,4 butanediol-containing reaction mixture which comprises further alcohols other than...
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6512127 |
Process for the preparation of hydroxylactones
The present invention is directed towards a process for the preparation of enantiomerically enriched 4-hydroxymethyl-γ-butyrolactone (I). By kinetic racemate cleavage of racemic epoxide of the...
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6492532 |
Method for producing carbonyl compound by dehydrogenating alcohol
The present invention provides a method for producing a carbonyl compound by dehydrogenating an alcohol. Namely, it relates to a method for producing a carbonyl compound, which comprises...
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6433193 |
Process to afford gamma butyrolactone and tetrahydrofuran
A process for production of tetrahydrofuran and gamma butyrolactone by hydrogenation of maleic anhydride recovered from a process of conversion of a n-butane. The process consists essentially of...
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