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Class 549/295 - The lactone ring is five-membered


Subclass of Class 549 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the lactone has five members.
No. of patents: 222
Last issue date: 07/27/2010


1            
NumberTitleIssue Date
7763741Separation of ginkgolides and bilobalide from
The subject invention provides a method for separating a terpene trilactone from Ginkgo biloba plant material or from an extract of Ginkgo biloba comprising a mixture of terpene trilactones, the process comprising the steps of: a) ...
07/27/2010
7683187Process for producing delta-lactones
The present invention relates to a process for preparing a lactone. The process comprises the steps of reacting an aldehyde with an organic halide in a carbon chain extension reaction to form an alcohol compound comprising a functional group capable of allowing for ...
03/23/2010
7579485Process 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 R1 to R6 each independently represents a hydrogen atom or a...
08/25/2009
7459571Catalyst 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 the use of the catalyst for the hydrogenation of carbonyl compounds.
12/02/2008
7442810Method 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 C4 dicarboxylic acids and/or derivatives thereof, which comprises a) hydrogenating...
10/28/2008
7427684Process 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 phosphine; and wherein the hydrogenation is carried out in the presence of ...
09/23/2008
7414139Catalytic 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 for enzymes of the methionine sulfoxide reductase (Msr) class. Some em...
08/19/2008
7414145Method 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 α-hydroxy-γ-amino acid ester, hydroxydiketone compounds, etc. being useful a...
08/19/2008
7341818Norbornene-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 lactone or sultone groups. These polymers and copolymers are useful i...
03/11/2008
7329766Process 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 ruthenium-containing catalysts. ...
02/12/2008
73168845-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 of formula (1): ...
01/08/2008
7314942Methylenelactones syntheses in supercritical fluids
Alpha-methylenelactone is produced from butyrolactone and valerolactone by the addition of formaldehyde in a supercritical fluid. ...
01/01/2008
7297714Inhibitors of cathepsin S
The present invention provides compounds, compositions and methods for the selective inhibition of cathepsin S. In a preferred aspect, cathepsin S is selectively inhibited in the presence of at least one other cathepsin isozyme. The present invention also provides m...
11/20/2007
7271299Two-stage method for producing butanediol with intermediated separation of succinic anhydride
Optionally alkyl-substituted 1,4-butanediol is prepared from C4-dicarboxylic acids and/or of derivatives thereof by: a) a gas stream of the C4-dicarboxylic acid or the derivative thereof in a first reactor in ...
09/18/2007
RE39794Process 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 C4 compound selected from butane-1,4-diol, γ-butyrolactone, and tetrahydrofuran in which maleic anhydride is produced by partial oxidation of a hydrocarbon feedstock select...
08/21/2007
7205416Liquid 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. ...
04/17/2007
7199254Liquid phase synthesis of methylene lactones using novel catalyst
Process for converting certain lactones to their alpha-methylene derivatives in the liquid phase with both high conversion and selectivity using easily recoverable novel heterogeneous catalysts. ...
04/03/2007
7186495(Meth) acrylate derivative, polymer and photoresist composition having lactone structure, and method for forming pattern by using it
There are here disclosed a photoresist material for lithography using a light of 220 nm or less which comprises at least a polymer represented by the following formula (2) and a photo-acid generator for generating an acid by exposure: ...
03/06/2007
7183421Processes 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 oxidative catalyst thereon, and oxidizing the alcohol compound in the presen...
02/27/2007
7166727Supercritical 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 high initial activity (conversion), but also maintains a high level of a...
01/23/2007
7164032Supercritical fluid phase synthesis of methylene lactones using novel catalyst field of invention
Process for converting certain lactones to their alpha-methylene substituted forms that not only exhibits high initial activity (conversion), but also provides high reactor productivity (mass of product per mass of catalyst per unit of time) and sustained maintenanc...
01/16/2007
7164033Gas phase synthesis of methylene lactones using novel catalyst
Process for converting certain lactones to their alpha-methylene substituted forms that not only exhibits high initial activity (conversion), but also maintains a high level of activity with time on stream. ...
01/16/2007
7161014Gas phase synthesis of methylene lactones using novel grafted catalyst
Process for converting certain lactones to their alpha-methylene substituted forms that not only exhibits high initial activity (conversion), but also maintains a high level of activity with time on stream. ...
01/09/2007
7153981Supercritical 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 catalyst incorporating lithium, sodium, potassium, rubidium, cesium, ma...
12/26/2006
7151185Gas 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, rubidium, cesium, magnesium, calcium, strontium, or barium or combinations th...
12/19/2006
7141682Liquid 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, rubidium, cesium, magnesium, calcium, strontium, or barium or combinations th...
11/28/2006
7101654Norbornene-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 or more repeating units represented by the formula:
09/05/2006
7078404Acyl-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 I, in wh...
07/18/2006
7053118Lactone 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 invention have utility for use in the treatment of cancer, including ...
05/30/2006
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 R1, R2, R3 and R4 represents a hydrogen atom, a methyl group or an ethyl group; either one of X...
05/09/2006
7037995Tertiary (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 etching resistance. Resist compositions comprising the polymers are sen...
05/02/2006
6989455Two-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 produce a reaction product comprising succinic acid and unreacted hyd...
01/24/2006
6960573Vitamin D3 derivative and treating agent for inflammatory respiratory disease using same
Compounds expressed by the following general formula (1), [wherein, R01 and R02 are each independently a hydrogen atom or a protecting group for a hydroxyl group; Z is one out of the following for...
11/01/2005
6958145Synthesis of cyclic compounds
A method for the preparation of a compound of formula (II) wherein R1 and R2 are independently H, alkyl, alkoxy, oxoalkyl, alkenyl, aryl or arylalkyl whether unsubstituted or substituted, optionally interrupted by one or more hetero atoms, stra...
10/25/2005
6949536Sulfonylbenzene 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 unsaturated or unsaturated ...
09/27/2005
6906051Lactone 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 I, and methods of selec...
06/14/2005
6900242Lactone 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. The lactone compounds can be reacted with an neucleaphilic agent to op...
05/31/2005
6891036Process 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 in the synthesis of nucleot...
05/10/2005
6846389Method 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 out in an assembly of distillation columns comprising at least one d...
01/25/2005
6797830Process 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 oxidative catalyst thereon, and oxidizing the alcohol compound in the presen...
09/28/2004
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