Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 307 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
Patents for C07D 307 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom (47,108)
06/2012
06/27/2012CN102516212A Method for reducing content of impurities in trimellitic anhydride
06/27/2012CN102516211A Process for production of optically active amine derivatives
06/27/2012CN102516210A Preparation method of 2,3-dicyanofuran compound
06/27/2012CN102516209A Method for coproducing furfural, ethanol and lignin from corncob
06/27/2012CN102516208A Cleavable connection unit, synthetic method thereof and use thereof
06/27/2012CN102516204A Substituted morpholine and thiomorpholine derivatives
06/27/2012CN102516155A 2-alkoxy-4-halo-6-alkylphenyl-substituted (hetero)cyclic ketoenols
06/27/2012CN102516000A Method for synthesizing aryl trifluoromethyl sulphydryl compound
06/27/2012CN102515999A Method for selectively oxidizing sulfide
06/27/2012CN102515996A Novel method for synthesizing beta-aryl acrylamide compound
06/27/2012CN102512842A Continuous operation equipment and method for reducing impurity content of trimellitic anhydride
06/27/2012CN101941958B Method for preparing 5-hydroxymethyl furfural and 2,5-furandimethanol simultaneously
06/27/2012CN101928270B Isobenzofuranone compound, preparation method thereof and use thereof
06/27/2012CN101733123B Acid-proof catalyst for preparing gamma-valerolactone from levulinic acid, preparation method and application
06/27/2012CN101665393B Synthesis method of polysubstituted allyl chloride derivative
06/27/2012CN101616905B Benzofuran antiparasitic agents
06/27/2012CN101514141B Synthetic method for allyl alcohol-like compound
06/27/2012CN101486699B Prostaglandin synthesis
06/27/2012CN101360730B Fungicide N-cycloalkyl-benzyl-amide derivatives
06/27/2012CN101353336B Method and system for preparing furfuryl alcohol by furfural liquid phase hydrogenation
06/27/2012CN101347518B Effective component of red paeonia and preparation and use thereof
06/27/2012CN101103000B Carbazole, carboline, and indole derivatives useful in the inhibition of VEGF production
06/26/2012US8207221 Crystalline polymorphs of a CXC-chemokine receptor ligand
06/26/2012CA2493981C Method for producing avocado leaves extract rich in furan lipids
06/21/2012WO2012082837A1 Method of making indeno-fused naphthol materials
06/21/2012WO2012082665A1 Preparation of aminomethyl furans and alkoxymethyl furan derivatives from carbohydrates
06/21/2012WO2012082633A1 Novel 1,2- bis-sulfonamide derivatives as chemokine receptor modulators
06/21/2012WO2012082566A1 Sulfur derivatives as chemokine receptor modulators
06/21/2012WO2012082513A1 Lactone compounds and materials made therefrom
06/21/2012WO2012081585A1 Production method for optically active alcohol compound
06/21/2012WO2012081043A1 An improved process for recovery of maleic anhydride by using organic solvent
06/21/2012WO2012035171A3 Sulfonamide compounds
06/21/2012US20120157698 Decarbonylation process
06/21/2012US20120157697 Process for furfural production from biomass
06/21/2012US20120157694 Organic Compound, Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device
06/21/2012US20120157691 Lewis Acid Catalyzed Halogenation of Activated Carbon Atoms
06/21/2012US20120157677 Lactone compounds and materials made therefrom
06/21/2012US20120157521 Treatment of macular degeneration
06/21/2012US20120157487 Sulfur derivatives as chemokine receptor modulators
06/21/2012US20120157462 Hydroxamic acid derivatives of aniline useful as therapeutic agents for treating anthrax poisoning
06/21/2012US20120157373 Antimicrobial compounds having protective or therapeutic leaving groups
06/21/2012US20120157370 Washing performance using radical traps
06/21/2012CA2822044A1 Novel 1,2- bis-sulfonamide derivatives as chemokine receptor modulators
06/21/2012CA2822039A1 Sulfur derivatives as chemokine receptor modulators
06/21/2012CA2820940A1 Preparation of aminomethyl furans and alkoxymethyl furan derivatives from carbohydrates
06/21/2012CA2820594A1 Lactone compounds and materials made therefrom
06/20/2012EP2464636A1 Method for producing 2,4-dioxotetrahydrofurane-3-carboxylates
06/20/2012EP1742929B1 Trisubstituted furans suitable for the preparation of fragrance compositions
06/20/2012EP1305292B1 Biphenyl carboxamides
06/20/2012CN1906183B N-acylsulfonamide apoptosis promoters
06/20/2012CN102503966A Schiff-base ligand-based rare-earth metal complex, preparation method and applications
06/20/2012CN102503919A Derivatives of butylphthalide and preparation method and application thereof
06/20/2012CN102503918A Separation and purification method for dehydrodiisoeugenol monomers
06/20/2012CN102503917A High-efficient separation and purification method of hardwickiic acid
06/20/2012CN102503916A Structure, preparation and property of new chemical compound 2,5-di(2,5-dimethoxyphenyl)furan
06/20/2012CN102503915A Peach aldehyde continuous reaction device
06/20/2012CN102503914A Tetrahydrofuran tail gas safe recovery device
06/20/2012CN102503753A Method for synthesizing 2-amino five-membered heterocyclic derivative
06/20/2012CN102503747A Synthetic method of polyfluorinated aromatic hydrocarbon-hetero-aromatic ring building block
06/20/2012CN102500415A Carbon microspherical catalyst prepared from cellulose and application thereof
06/20/2012CN102120656B Process for recycling isomerized mother liquor of phthalic anhydride wastewater
06/20/2012CN102070573B Mono-tetrahydrofuran type sugar apple lactone compound with anti-tumor activity and application thereof
06/20/2012CN102020623B Butterbur extract as well as preparation method and application thereof
06/20/2012CN101914077B Recovery process of tetrahydrofuran
06/20/2012CN101891722B Method for preparing usnic acid
06/20/2012CN101730688B 2-aryl-5-heterocyclyl-cyclohexane-1,3-dione compounds and their use as herbicides
06/20/2012CN101717383B Method for preparing furfural and special reaction equipment thereof
06/20/2012CN101528722B Method for preparing crystalline 3-0-alkyl-ascorbic acid
06/20/2012CN101210003B Method for preparing ligustilide
06/20/2012CN101189318B Reversibly thermochromic compositions
06/20/2012CN101151248B 3-aryl-3-hydroxy-2-amino-propionic acid amides, 3-heteroayryl-3-hydroxy-2-amino-propionic acid amides and related compounds having analgesic and/or immunostimulant activity
06/20/2012CN101052607B Method for purifying 1,4-butanediol
06/19/2012US8203005 Manufacturing process for enantiomerically pure 8-aryloctanoic acids as Aliskiren
06/19/2012US8202901 Compounds that stimulate glucose utilization and methods of use
06/19/2012US8202679 Oxime ester compound and photopolymerization initiator containing the same
06/14/2012WO2012078147A1 A process for the preparation of intermediates useful in the production of aliskiren
06/14/2012WO2012077600A1 Polymerizable compound, polymerizable liquid crystal composition, polymer and alignment film
06/14/2012WO2012076560A1 Process for homogeneously catalyzed, highly selective direct amination of primary alcohols with ammonia to primary amines with a high volume ratio of liquid phase to gas phase and/or high pressures
06/14/2012WO2012046945A3 Pharmaceutical and food composition for preventing or treating diabetes or obesity
06/14/2012WO2012035303A8 A novel process for synthesis of ramelteon, and key intermediates for the synthesis of ramelteon
06/14/2012WO2012029071A3 Catalyst composition comprising rare earth metal triflate anchored on mesoporous silicate
06/14/2012US20120149924 Process for the production of furfural from pentoses and/or water soluble pentosans
06/14/2012US20120149922 Catalytic conversion of cellulose to liquid hydrocarbon fuels by progressive removal of oxygen to facilitate separation processes and achieve high selectivities
06/14/2012US20120149921 Tertiary alcohol derivative, polymer compound and photoresist composition
06/14/2012US20120149919 Maleic anhydride synthesis catalyst precursor and process for its preparation
06/14/2012US20120149906 Ruthenium (ii) catalysts for use in stereoselective cyclopropanations
06/14/2012US20120149693 Therapeutic compounds
06/14/2012US20120149653 Multifunctional linkers and methods for the use thereof
06/14/2012US20120148494 Isotopically-labeled benzofuran compounds as imaging agents for amyloidogenic proteins
06/14/2012US20120146014 Aromatic amine derivatives and organic electroluminescent elements using same
06/14/2012CA2820430A1 Process for the homogeneously catalysed, highly selective direct amination of primary alcohols by means of ammonia to form primary amines at a high volume ratio of liquid phase to gas phase and/or high pressures
06/14/2012CA2819810A1 Granzyme b inhibitor compositions, methods and uses for promoting wound healing
06/13/2012EP2463278A1 1h-quinaz0line-2,4-diones and their use as ampa-receptor ligands
06/13/2012EP2463268A1 Aminomethyl-substituted aromatic acids as intermediates for the preparation of chymase inhibiting 1,4-diazepan-2,5-dione compounds
06/13/2012EP2462099A2 Process for preparing a hydroxyacid or hydroxyester
06/13/2012EP1979311B1 Phenoxy acetic acids as ppar delta activators
06/13/2012EP1930328B1 Cyano-containing polycyclic esters having lactone skeletons
06/13/2012EP1900720B1 Process for production of substituted cyclopentanone
06/13/2012EP1618087B1 Antibacterial agents
06/13/2012CN202270377U 一种含高聚物的废液的连续分离精制装置 A refining apparatus for continuously separating polymer-containing waste liquid
1 ... 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 ... 472