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)
09/2002
09/26/2002US20020137948 By hydrogenating 15-pentadecenolide using a group 8 metal catalyst in given weight ratio; perfumes
09/26/2002DE10113963A1 Verfahren zur Herstellung von 15-Pentadecanolid Process for the preparation of 15-pentadecanolide
09/26/2002CA2437740A1 Production of 5-methylbutyrolactone from levulinic acid
09/25/2002EP1243587A1 Process for the preparation of 15-pentadecanolide
09/18/2002EP0922022B1 Process for preparing gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran
09/18/2002CN1370157A Prepn. and use of gamma-butyrolactones as cross-linking agents
09/11/2002EP1237833A1 Process for the co-production of aliphatic diols and cyclic ethers
08/2002
08/29/2002US20020117650 Dialkyne compounds
08/28/2002EP1129085B1 Process to afford gamma butyrolactone and tetrahydrofuran
08/28/2002CN1089743C Preparation of gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran
08/28/2002CN1089742C Process for preparing 1,6-hexane diol and caprolacton
08/15/2002US20020111458 Hydrolyzing starch to glucose; oxidizing glucose to gluconolactone, reducing it to caproic acid, chlorinating caproic acid, cyclizing 6-chlorocaproic acid to obtain epsilon -caprolactone, performing ring opening polymerization
08/13/2002US6433193 Hydrogenation of maleic anhydride
08/13/2002US6433192 By oxidation of butane; absorption, esterification, catalytic hydrogenation
08/07/2002CN1362410A Preparation method for butyrolactone
08/06/2002US6429320 Processes for the purification of tocopherol and/or sterol compounds and compositions containing orthoborate ester mixtures
07/2002
07/25/2002WO2001098238A3 Catalytic hydrogenation of ketones and aldehydes
07/23/2002US6423850 Preparation and use of gamma-butyrolactones as cross-linking agents
07/18/2002WO2002055460A1 Method and device for the distillative processing of 1,6-hexandiol, 1,5-pentandiol and caprolactone
07/18/2002US20020095045 Thermal cleavage of macrocyclic esters in the presence of a thermostable benzene derivative
07/18/2002CA2433073A1 Method and device for the distillative processing of 1,6-hexandiol, 1,5-pentandiol and caprolactone
07/17/2002EP1222184A2 Preparation and use of gamma-butyrolactones as cross-linking agents
07/11/2002DE10100552A1 Verfahren und Vorrichtung zur destillativen Aufarbeitung von 1,6-Hexandiol, 1,5-Pentandiol ung Caprolacton Method and apparatus for working up by distillation of 1,6-hexanediol, 1,5-pentanediol ung caprolactone
07/10/2002EP1220822A1 Process for the simultaneous production of maleic anhydride and its hydrogenated derivatives
07/04/2002WO2002051779A2 Method for producing alcohols by hydrogenating carbonyl compounds
07/04/2002DE10065029A1 Alcohol (especially sugar alcohol) production by hydrogenation of carbonyl compound is catalyzed by a Raney catalyst of hollow form, especially hollow spheres
06/2002
06/20/2002WO2002047818A1 Porous catalyst for the hydrogenation of maleic anhydride to tetrahydrofuran
06/20/2002WO2002047815A1 CATALYTIC COATING FOR THE HYDROGENATION OF MALEIC ANHYDRIDE AND RELATED COMPOUNDS TO GIVE η-BUTYROLACTONE, TETRAHYDROFURAN AND DERIVATIVES THEREOF
06/20/2002DE10061555A1 Schalenkatalysator für die Hydrierung von Maleinsäureanhydrid und verwandten Verbindungen zu gamma-Butyrolacton und Tetrahydrofuran und Derivaten davon A coated catalyst for the hydrogenation of maleic anhydride and related compounds to tetrahydrofuran and gamma-butyrolactone and derivatives thereof
06/19/2002EP1214972A1 Method for preparing lactone
06/18/2002US6407102 Indole derivatives and their use for the treatment of malignant and other diseases based on pathological cell proliferation
06/13/2002US20020072620 Processes for the purification of tocopherol and/or sterol compounds and compositions containing orthoborate ester mixtures
06/13/2002DE10061553A1 Poröser Katalysator für die Hydrierung von Maleinsäureanhydrid zu Tetrahydrofuran Porous catalyst for the hydrogenation of maleic anhydride to tetrahydrofuran
06/12/2002EP0966416B1 A process for the production of tetrahydrofuran, gammabutyrolactone and butanediol
06/05/2002EP1211274A1 Method for producing aliphatic polyester
05/2002
05/23/2002WO2002016345A3 Method for the production of macrocyclic esters
05/22/2002EP1053215B1 Methods for preparing macrocyclic products by ring-closing diine metathesis
05/08/2002CN1347880A 12-(acyloxyimino)-1,15-pentadecanolide as new herbicide
04/2002
04/30/2002US6380402 Catalytic hydrogenation using palladium, molybdenum, nickelcatalyst
04/17/2002EP1196620A1 Method for oxidating organic compounds
04/17/2002EP0977746B1 Process for the production of tetrahydrofuran and gammabutyrolactone
04/04/2002WO2002026725A1 PROCESS FOR PRODUCING OPTICALLY ACTIVE 3-HYDROXY-η-BUTYROLACTONE
03/2002
03/26/2002US6362218 Brefeldin A derivatives
03/20/2002EP1187800A1 Improved process for the preparation of 3,4-dihydroxybutanoic acid and salts and lactones derived therefrom
03/14/2002DE10041198A1 Verfahren zur Herstellung makrocyclischer Ester A process for the preparation of macrocyclic esters
02/2002
02/28/2002WO2002016346A1 Processes for the manufacture of lactones
02/28/2002WO2002016345A2 Method for the production of macrocyclic esters
02/26/2002US6350924 Method for producing 1,4-butanediol
02/19/2002US6348551 Selective olefin metathesis of bifunctional or polyfunctional substrates in compressed carbon dioxide as reaction medium
02/14/2002WO2002011720A1 Processes for the purification of tocopherol and/or sterol compounds and compositions containing orthoborate ester mixtures
02/12/2002US6346629 Reaction of alkyne with carbon monoxide and water and hydrogenation of furanone intermediates
02/07/2002US20020016477 Novel lactone compounds having alicyclic structure and their manufacturing method
02/05/2002US6344583 Oxidation of ketones to esters using a tin substituted zeolite beta
01/2002
01/31/2002US20020013479 Process and catalyst for the production of gamma-butyrolactones
01/31/2002DE10035651A1 New dialkyne compounds, used in liquid crystal media, especially in reflective, transflective and electrooptical displays, are cyclohexane compounds or heterocyclic analogues with lateral dialkyne substituent(s)
01/24/2002WO2001081291A3 The oxidation of ketones to esters using a tin substituted zeolite beta
01/23/2002EP1174405A2 Dialkyne compounds
01/23/2002CN1332735A Process to afford gamma butyrolactone and tetrahydrofuran
01/16/2002EP1086089B1 Method for producing butyrolactones
01/03/2002WO2002000590A1 Synthesis of functionalized and unfunctionalized olefins via cross and ring-closing metathesis
01/02/2002EP1167361A2 Process and catalyst for the production of y-butyrolactones
01/02/2002CN1329000A Method for producing gamma-butyrolatone and catalyst
12/2001
12/27/2001WO2001098238A2 Catalytic hydrogenation of ketones and aldehydes
12/27/2001CA2408412A1 Catalytic hydrogenation of ketones and aldehydes
12/20/2001US20010053858 Catalyst carbonylation of pentenol
12/19/2001CA2350865A1 Process and catalyst for the production of .gamma.-butyrolactones
12/05/2001EP1053231B1 Process for the production of gamma-butyrolactone
11/2001
11/27/2001US6323347 Used for dehydrocyclization reaction of a diol under a gas phase to form lactone; activity, long lifetime and high selectivity of products
11/01/2001WO2001081291A2 The oxidation of ketones to esters using a tin substituted zeolite beta
11/01/2001WO2001081289A1 Improved process for the preparation of 3,4-dihydroxybutanoic acid and salts and lactones derived therefrom
10/2001
10/23/2001US6307065 Subjecting a butadienes to hydrocarbonylation in the presence of a hydrocarbonylation catalyst to produce penten-1-ols; and subjecting the product to carbonylation in the presence of a carbonylation catalyst
10/11/2001US20010029302 Catalytic hydrogenation using palladium, molybdenum, nickelcatalyst
10/09/2001US6299736 Process for recovering γ-butyrolactone from a mixture of heavy organics
10/04/2001WO2001072731A2 Enantioselective process for preparing arylated lactones and derivatives
10/02/2001US6297389 Process for the production of gamma-butyrolactone
09/2001
09/20/2001WO2001068636A1 Method for carrying out a baeyer-villiger oxidation of organic carbonyl compounds
09/20/2001DE10012340A1 Baeyer-Villiger oxidation of organic carbonyl compounds comprises reacting a carbonyl compound(s) with an oxidation agent(s) in a microreactor(s) and optionally isolating
09/19/2001EP0912488B1 Process for the production of 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran
09/13/2001US20010021781 Catalyst for hydrogenating dicarboxylic acids
09/11/2001US6288245 Hydrogenation of maleic anhydride, succinic anhydride and/or fumaric acid esters with copper catalyst
09/05/2001EP1129085A1 Process to afford gamma butyrolactone and tetrahydrofuran
08/2001
08/30/2001US20010018399 Composition comprising antimony trifluoride and silica
08/29/2001CN1310705A Indole derivatives and their use in the treatment of malignant and other diseases caused by pathological cell proliferation
08/22/2001EP1027343A4 Process for the preparation of hydroxy substituted gamma butyrolactones
08/08/2001EP1121980A1 Composition comprising antimony trifluoride and silica
07/2001
07/26/2001US20010009964 Catalyst for preparing lactone and a method for preparing lactone
07/18/2001CN1304405A Method for producing butyrolactones
07/17/2001US6261413 Continuously guiding liquids in a digester during pulp digestion
07/12/2001WO2000078743A3 Preparation and use of gamma-butyrolactones as cross-linking agents
07/11/2001CN1303362A Method for producing mixtures of 1,4-butanediol, tetrahydrofuran and & gamma-butyrolactone
07/04/2001EP1112776A1 Pd-Re catalyst for hydrogenating dicarboxylic acids
07/04/2001EP0891438B1 Process for continuously guiding liquids when digesting pulp in a digester
07/03/2001US6255276 Odorant compositions containing macrocycles and processes for manufacturing the same
06/2001
06/27/2001EP1109785A2 Indole derivatives and their use in the treatment of malignant and other diseases caused by pathological cell proliferation
06/21/2001WO2001044148A1 Process for the co-production of aliphatic diols and cyclic ethers
06/20/2001EP1108702A1 Process for the co-production of aliphatic diols and cyclic ethers
06/19/2001US6248906 Sequence of three steps
06/06/2001CN1298381A Method for producing 1,4-butanediol
05/2001
05/29/2001US6239311 Process for the preparation of 3,4-dihydroxybutanoic acid and salts and lactones derived therefrom
05/29/2001US6239292 Process for preparing gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran
1 2 3 4 5 6 7 8 9 10 11 12 13 14