Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 317 - Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
Patents for C07D 317 - Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms (18,224)
12/2012
12/27/2012WO2012177598A1 Production of cyclic acetals by reactive distillation
12/27/2012WO2012177485A1 Production of cyclic acetals or ketals using liquid-phase acid catalysts
12/27/2012WO2012177417A1 Production of cyclic acetals or ketals using solid acid catalysts
12/27/2012WO2012177357A1 Perfume systems
12/27/2012WO2012176856A2 Pesticide
12/27/2012WO2012176792A1 Pharmaceutical composition for inflammatory diseases, allergic diseases and autoimmune diseases
12/27/2012US20120330033 Production of cyclic acetals or ketals using liquid-phase acid catalysts
12/27/2012US20120330032 Production of cyclic acetals or ketals using solid acid catalysts
12/27/2012US20120329786 Compounds and therapeutic uses thereof
12/27/2012US20120329696 Perfume systems
12/27/2012CA2840875A1 Pharmaceutical composition for inflammatory diseases, allergic diseases and autoimmune diseases
12/26/2012EP2536679A1 Photolabile pro-fragrances
12/26/2012CN102838583A Method for preparing cyclic carbonate by using functionalized quaternary phosphonium salt ionic liquid
12/26/2012CN102838581A Method for extracting rhinacanthin from Rhinacanthus nasutus (L.) Lindau
12/26/2012CN102838460A Series of skin-whitening (lightening) compounds
12/26/2012CN102050919B Supported imidazole ion liquid cross-linked polymer nano particles and preparation and application thereof
12/26/2012CN101844970B Dibenzocyclooctene lignin derivatives with bioactivity
12/26/2012CN101804047B Antimicrobial and radioprotective compounds
12/26/2012CN101235026B 4'-dialkoxymethyldicyclohexyl-4-methanol and preparation method thereof
12/26/2012CN101062916B Three-substituted 1H-pyrromonazole compound, preparation method, medicament composition and pharmacy use thereof
12/25/2012US8338625 Process for production of benzaldehyde compound
12/20/2012WO2012173842A2 Purification process for para-methallylpyrocatechol
12/20/2012WO2012172426A1 Improved process for preparing cyclopentylamine derivatives and intermediates thereof
12/20/2012WO2012171659A1 Carbonate group comprising terpene-derived monomers and isocyanate-free polyurethanes
12/20/2012US20120323024 Ketal esters of oxocarboxylic acids and process of making
12/20/2012US20120323021 Method for producing a high-purity aromatic methyl alcohol and high-purity aromatic methyl alcohol composition having excellent preservation stability
12/20/2012US20120322875 4-((phenoxyalkyl)thio)-phenoxyacetic acids and analogs
12/20/2012CA2839057A1 Improved process for preparing cyclopentylamine derivatives and intermediates thereof
12/19/2012CN102827138A Preparation method of chloromethyl dihydrosafrole
12/19/2012CN102827137A Purification method of Machilin A
12/19/2012CN102827136A Method for preparing cyclic carbonate from carbon dioxide and epoxy compound through cycloaddition
12/19/2012CN102827135A Compound for preparing medicine for treating avian influenza and preparation method of compound
12/19/2012CN102329296B Method for rectifying high-purity propylene carbonate
12/18/2012CA2536576C Derivatives of hydroxamic acid as metalloproteinase inhibitors
12/13/2012WO2012169575A1 Method for manufacturing optically active carboxylic acid ester
12/13/2012WO2012138254A3 Pharmacologically active 4,4'-biphenylamide derivatives and drugs based thereon
12/13/2012US20120316066 Chiral Diacylhydrazine Ligands for Modulating the Expression of Exogenous Genes via an Ecdysone Receptor Complex
12/12/2012CN102816182A Phosphorus-containing dication ionic liquid as well as preparation method and application thereof
12/12/2012CN102019203B Method for fast synthesizing mesoporous solid acid catalyst immobilized with sulfonic acid
12/11/2012USRE43858 Substituted cycloalkene derivative
12/11/2012US8329749 Use of (−) (3-trihalomethylphenoxy) (4-halophenyl) acetic acid derivatives for treatment of hyperuricemia
12/06/2012WO2012165268A1 Process for producing ester compound
12/06/2012WO2012163264A1 Saucernetin structurally simplified substance and preparation method therefor and pharmaceutical composition and use thereof
12/06/2012WO2012129452A8 Propynoic acid carbamoyl methyl-amides and pharmaceutical compositions and methods based thereon
12/06/2012US20120309819 Acid-Labile Lipophilic Prodrugs of Cancer Chemotherapeutic Agents
12/06/2012US20120308486 Fragrance and/or flavoring compositions containing dioxolanes
12/05/2012CN102807549A Method for preparing trifluoromethyl cyclic carbonate
12/05/2012CN102807514A Substituted phenylenediamine derivative and preparation method and application thereof
12/05/2012CN102807496A Triarylamine derivative, electrophotographic photoconductor and image-forming apparatus
12/05/2012CN102210672B Application of polyketide in preparation of angiogenesis inhibiting medicine
12/05/2012CN102125873B Phenolic resin based solid acid, preparation method and application thereof
12/05/2012CN102086193B N-substituted alpha-amino acid derivatives and preparation method and application thereof
12/05/2012CN102059140B Carbon-based solid acid as well as preparation method and application thereof
12/05/2012CN101506134B Process for production of benzaldehyde compound
12/05/2012CN101050210B 1,3-benzodioxol compound and use of same
11/2012
11/29/2012US20120302792 Process of making alpha-aminooxyketone/alpha-aminooxyaldehyde and alpha-hydroxyketone/alpha-hydroxyaldehyde compounds and a process making reaction products from cyclic alpha, beta-unsaturated ketone substrates and nitroso substrates
11/29/2012US20120302745 Exo-selective synthesis of himbacine analogs
11/29/2012US20120302563 Substituted norindenoisoquinolines, syntheses thereof, and methods of use
11/28/2012EP2527317A1 Cyclic 11-beta hydroxysteroid dehydrogenase type I inhibitors
11/28/2012CN102803188A Process for the production of ethylene glycol
11/28/2012CN102795975A Saucernetin structure simplifier and preparation method, medicinal composition and application thereof
11/28/2012CN102794189A Catalyst for synthesizing glycerol carbonate by urea method
11/28/2012CN102794185A Method, catalyst and device for prepareing 1,3-dioxolane
11/28/2012CN102134228B Method for preparing scostus-ambrein perfume
11/27/2012CA2531766C Entry inhibitors of the hiv virus
11/22/2012WO2012158107A1 Method for producing cyclic carbonates
11/22/2012WO2012158099A1 A process for the preparation of benzyl [(3as,4r,6s,6ar)-6-hydroxy-2,2- dimethyltetrahydro-3ah-cyclopenta[d][1,3]dioxol]-4-yl]carbamate and intermediates in the process
11/22/2012CA2838489A1 Method for producing cyclic carbonates
11/22/2012CA2834935A1 A process for the preparation of benzyl [(3as,4r,6s,6ar)-6-hydroxy-2,2-dimethyltetrahydro-3ah-cyclopenta[d][1,3]dioxol]-4-yl]carbamate and intermediates in the process
11/21/2012EP2524959A1 Dioxolanes containing olfactory and/or aromatic substances
11/21/2012CN1995030B Difluoro bezene derivative production method and produced intermediate
11/21/2012CN1474803B Novel amide derivatives and medicinal use thereof
11/21/2012CN102791667A Method for producing high purity aromatic methyl alcohol, and high purity aromatic methyl alcohol composition having excellent storage stability
11/21/2012CN101906053B 酰胺衍生物 Amide derivatives
11/20/2012US8314259 Method of manufacturing glycerol carbonate
11/15/2012US20120288579 Use of lignan compound for anti-wrinkle treatment
11/14/2012CN102782927A Nonaqueous electrolyte solution, electrochemical element using same, and 1,2-dioxypropane compound used in same
11/14/2012CN102775395A Preparation method of propiconazole and propiconazole intermediate
11/14/2012CN102775379A Method for synthesizing cyclic carbonate
11/14/2012CN102775378A Solvent-free catalytic synthesis method of cyclic carbonate
11/14/2012CN102775377A Solvent-free catalytic synthesis method of cyclic carbonate
11/14/2012CN102179268B Preparation of Ti-MCM-41 mesoporous material with functionalized ionic liquid and application thereof
11/13/2012US8309609 Use of benzylideneaminoguanidines and hydroxyguanidines as melanocortin receptor ligands
11/11/2012CA2776745A1 Derivatives of dillapiol and related monolignans and use thereof
11/08/2012WO2012150220A1 Radiolabeled amino acids for diagnostic imaging
11/08/2012US20120283450 Compounds including an anti-inflammatory pharmacore and methods of use
11/08/2012US20120283201 9-substituted minocycline compounds
11/08/2012US20120283200 Pharmaceutical composition and method for preventing or treating chronic heart disease
11/08/2012US20120283101 Plant Additives and Uses Thereof to Modulate the Synthesis of Membrane Glycerolipids in Planta
11/08/2012CA2835015A1 Radiolabeled amino acids for diagnostic imaging
11/07/2012EP2520568A1 Spirocyclic nitriles as inhibitors of protease
11/07/2012EP2520561A1 IRE-1A Inhibitors
11/07/2012EP2520290A1 Propofol analogs, process for their preparation, and methods of use
11/07/2012EP2519511A1 Novel piperine derivatives as gaba - a receptors modulators
11/07/2012CN102766131A Synthetic method of 1, 3-benzodioxole
11/07/2012CN102766130A Preparation method of difluoroethylene carbonate
11/07/2012CN102766129A Preparation method of propylene carbonate
11/07/2012CN101972674B Catalyst used for coupling reaction of carbon dioxide and epoxy compound
11/01/2012WO2012149106A1 Compositions and methods for increasing proliferation of adult salivary stem cells
11/01/2012WO2012146055A1 Use of amide compounds for preventing marine biofouling
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