Patents
Patents for C07D 315 - Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups (1,360)
07/2005
07/14/2005DE10357717A1 Katalysatorextrudate auf Basis Kupferoxid und ihre Verwendung zur Hydrierung von Carbonylverbindungen Catalyst extrudates based on copper oxide and their use for the hydrogenation of carbonyl compounds
07/07/2005WO2005061481A1 Novel ma crocycles and uses thereof
07/06/2005EP1550726A1 Novel k99-5278 substances and process for producing the sam e
07/05/2005US6914109 Process for the preparation of 15-pentadecanolide
06/2005
06/30/2005WO2005058491A1 Catalyst extrudates based on copper oxide and their use for hydrogenating carbonyl compounds
06/09/2005WO2005051875A1 Homogeneous process for the hydrogenation of dicarboxylic acids and/or anhydrides thereof
06/08/2005EP1537095A1 Process for preparing functionalized -butyrolactiones from mucohalic acid
06/01/2005EP1461315A4 Catalytic carbonylation of three and four membered heterocycles
05/2005
05/19/2005US20050107639 Reacting acyl chlorides with triethylamine in the absence of solvents, cyclization, esterification, continuous process; water repellents, for the engine sizing of paper during papermaking
05/18/2005CN1202106C Processes for the manufacture of lactones
05/03/2005US6888011 Porous catalyst for the hydrogenation of maleic anhydride to tetrahydrofuran
04/2005
04/28/2005WO2004083170A3 Compounds, a process for their preparation and their use as dyes and pigments
04/21/2005WO2005035519A1 Method for producing 1-hydroperoxy-16-oxabicyclo[10.4.0]hexadecane
04/21/2005WO2005035489A2 Improved synthesis of discodermolide and variants thereof
04/21/2005US20050085536 Peroxidation in diluent and presence of strong acid and neutralization in base, using perfluoro acids
04/14/2005US20050080276 Process for producing lactone
04/13/2005EP1521750A1 Novel macrocycles for the treatment of cancer diseases
04/07/2005WO2005014565A3 Cis-3,5-disubstituted-dihydro-furan-2-ones and the preparation and use thereof
03/2005
03/29/2005US6872747 Decalactones, method for making, and pharmaceuticals there from
03/17/2005CA2537984A1 Detection of cholesterol ozonation products
03/16/2005CN1596252A Method for producing alkyl ketene dimers
03/10/2005CA2536842A1 Benzotropolone derivatives and modulation of inflammatory response
02/2005
02/17/2005WO2005014569A1 1,2,4,-trioxepanes as precursors for lactones
02/17/2005WO2005014565A2 Cis-3,5-disubstituted-dihydro-furan-2-ones and the preparation and use thereof
02/09/2005CN1188378C Process for co-production of aliphatic 1. 4 dihydric alcohol and oxolane
02/08/2005US6852865 Epoxides, aziridines, thiiranes, oxetanes, lactones, lactams and analogous compounds are reacted with carbon monoxide in the presence of a catalytically effective amount of catalyst complex of transition metal carbonyl and Lewis acid
01/2005
01/20/2005US20050014977 Process for the carbonylation of epoxides
01/19/2005CN1568228A Porous catalyst for the hydrogenation of maleic anhydride to tetrahydrofuran
01/19/2005CN1185224C Oxidation of ketones to esters using tin substituted zeolite beta
01/18/2005US6844452 Multistage hydrogenation; byproduct inhibition
01/05/2005EP1492753A1 Process for converting alcohols to carbonyl compounds
01/05/2005CN1183081C Preparation of 1,4-butanediol
01/04/2005US6838577 Passing a stream of a reactive hydroxy acid having from about 4 to 10 carbon atoms per molecule in a water vapor phase to a reaction zone containing a lactonization catalyst to form a lactone, withdrawing the formed lactone and water
12/2004
12/21/2004US6833460 Preparation and use of gamma-butyrolactones as cross-linking agents
11/2004
11/11/2004US20040225135 Method of producing optically active lactone compound
11/03/2004EP1473291A1 Process for producing lactone
11/02/2004US6812243 Indole derivatives and their use for the treatment of malignant and other diseases based on pathological proliferation
10/2004
10/21/2004WO2004089923A1 Carbonylation of epoxides
10/20/2004CN1537848A Process for simultaneous production of maleic anlydride and its hydrogenated derivatives
09/2004
09/30/2004WO2004083170A2 Compounds, a process for their preparation and their use as dyes and pigments
09/30/2004CA2518707A1 Compounds, a process for their preparation and their use as dyes and pigments
09/29/2004EP1461315A2 Catalytic carbonylation of three and four membered heterocycles
09/22/2004EP1237833B1 Process for the co-production of aliphatic diols and cyclic ethers
09/22/2004CN1167696C Preparation method for butyrolactone
09/21/2004US6794534 Synthesis of functionalized and unfunctionalized olefins via cross and ring-closing metathesis
09/16/2004WO2004078738A1 Process for the preparation of lactones or epoxides
09/08/2004EP1453821A1 Method for producing alkyl ketene dimers
09/07/2004US6787671 Catalytic osmium-assisted oxidative cleavage of olefins
09/02/2004US20040171886 Method for producing 2- (alkyl) cycloalkenone
08/2004
08/31/2004US6784302 Method of producing optically active lactone compound and complex used in the method
08/25/2004EP1449840A1 Method of producing optically active lactone compound
08/25/2004EP1448541A2 Preparation and use of gamma-butyrolactones as cross-linking agents
08/25/2004EP1220822B1 Process for the simultaneous production of maleic anhydride and its hydrogenated derivatives
08/05/2004WO2004065402A1 9-ketospinosyn derivatives
07/2004
07/29/2004DE10301519A1 New substituted 9-keto-spinosyn derivatives, useful for control of animal pests and microorganisms, in plant protection and veterinary medicine, also new intermediates
07/28/2004CN1159276C Process for prond. of tetrahydrofuran, gammabutyrolactone and butanediol
07/14/2004CN1511818A Process for preparing 2-(alkyl) cyclic ketone
07/08/2004US20040132772 1-carbonyl-4-carbonylaminotetrahydroquinoline derivatives; especially treating asthma and allergic rhinitis
07/01/2004WO2004037757A3 Catalyst regeneration by solvent extraction
07/01/2004US20040127754 Liquid phase oxygenation reaction using tungsten species
06/2004
06/30/2004EP1433772A1 Method for producing 2-(alkyl)cycloalkenone
06/24/2004US20040119052 Process for preparing alpha- and beta- methyl-gamma-butyrolactone and 3-methyltetrahydrofuran
06/23/2004EP1431296A1 Process for preparing alpha- and beta-methyl-gamma-butyrolactone and 3-methyltetrahydrofuran
06/16/2004EP1428812A1 Process for the simultaneous production of maleic anhydride and its hydrogenated derivatives
05/2004
05/27/2004WO2004043592A1 Supported catalyst containing rhenium and method for hydrogenation of carbonyl compounds in liquid phase by means of said catalyst
05/27/2004DE10252281A1 Supported rhenium catalyst, useful for the production of tetrahydrofuran and gamma-butyrolactone by reduction of carbonyl compounds, contains a further Group 8 or 1b metal and is prepared using a bimetallic precursor compound
05/26/2004CN1151127C Indole derivatives and their use in the treatment of malignant and other diseases caused by pathological cell proliferation
05/25/2004CA2176587C Preparation of .gamma.-butyrolactone
05/19/2004CN1498215A Process for preparing 5-methylbuty rolactone from levalinic acid
05/19/2004CN1496985A Preparation method of e-caprolactone
05/13/2004WO2003104214A8 Two-stage method for producing butandiol in two reactors
05/06/2004WO2004037757A2 Catalyst regeneration by solvent extraction
05/06/2004US20040087804 Process for producing epsilon-caprolactone
04/2004
04/29/2004WO2004035543A1 Tetrahydroquinoline derivatives as crth2 antagonists
04/29/2004CA2500083A1 Tetrahydroquinoline derivatives as crth2 antagonists
04/28/2004EP1413342A1 Process for producing epsilon-caprolactone
04/28/2004EP1413306A1 Tetrahydroquinoline derivatives as CRTH2 antagonists
04/22/2004WO2004033702A1 Novel k99-5278 substances and process for producing the same
04/22/2004US20040077885 Producing tetrahydrofuran, gamma butyrolactone, 1,4 butane-diol from hydrogenatable maleic acid, succinic acid, and esters in the presence of hydrogen using regenerated noble metal catalyst that has been solvent extracted and separated
04/22/2004CA2463722A1 Novel k99-5278 substance and a process for production thereof
04/14/2004CN1145620C Process to afford gamma butyrolactone and tetrahydrofuran
04/08/2004WO2004029033A1 Valerolactone compounds and perfume composition
04/07/2004CN1487911A Method for producing alcohols by hydrogenating carbong/compounds
04/01/2004DE10243668A1 Verfahren zur Herstellung von makrocyclischen Ketonen und Lactonen A process for the preparation of macrocyclic ketones and lactones
03/2004
03/30/2004US6713228 Unsaturated ether containing polymer
03/25/2004WO2003060852A3 Catalytic osmium-assisted oxidative cleavage of olefins
03/24/2004EP1400505A1 Process for the preparation of macrocyclic ketones and lactones
03/24/2004CN1484627A Method and device for the distillative processing of 1.6-hexandiol, 1.5-pentandiol and caprolactone
03/18/2004WO2003104214A3 Two-stage method for producing butandiol in two reactors
03/17/2004EP1398080A1 Liquid phase oxygenation reaction using tungsten species
03/11/2004WO2004020424A1 Process for preparing functionalized -butyrolactiones from mucohalic acid
03/11/2004US20040049058 Process for preparing functionalized gamma-butyrolactiones from mucohalic acid
03/11/2004CA2494748A1 Process for preparing functionalized .gamma.-butyrolactiones from mucohalic acid
03/04/2004US20040040829 Divided wall structure; rectifier and stripping zone
03/03/2004EP1292555B1 Catalytic hydrogenation of ketones and aldehydes
03/03/2004CN1479650A Catalyst coating for hydrogenation of maleic anhyride and related compounds to give gamma-butyrolactone, tetrahyarofuran and derivatives thereof
02/2004
02/25/2004CN1139567C Process for prodn, of 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran
02/25/2004CN1139563C Method for producing mixtures of 1,4-butanediol, tetrahydrofuran and gamma-butyrolactone
02/19/2004US20040034238 Passing a stream of a reactive hydroxy acid having from about 4 to 10 carbon atoms per molecule in a water vapor phase to a reaction zone containing a lactonization catalyst to form a lactone, withdrawing the formed lactone and water
02/18/2004CN1475306A Liquid phase oxidation reaction using compound containing tungsten
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