| 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) |
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| 05/23/2001 | CN1296480A Process for preparation of esters or lactones |
| 05/09/2001 | EP1097930A1 Method for producing macrocyclic lactone |
| 05/08/2001 | US6229023 N-oxy or hydroxy cyclic imide oxidation catalyst |
| 05/01/2001 | US6225281 High purity geometric isomer obtained by macrolactonization of cis-16-hydroxy-9-hexadecenoic acid or the ester; fragrances |
| 04/19/2001 | WO2001027058A1 Process for the simultaneous production of maleic anhydride and its hydrogenated derivatives |
| 04/12/2001 | WO1999057117A3 Indole derivatives and their use in the treatment of malignant and other diseases caused by pathological cell proliferation |
| 04/12/2001 | DE10041510A1 Liquid phase catalytic oxidation of organic compounds with peroxides uses catalytic complexes containing gold or silver and preferably prepared in situ |
| 03/28/2001 | EP1086089A1 Method for producing butyrolactones |
| 03/20/2001 | US6204395 From maleic anhydride in vapor phase; catalytic hydrogenation |
| 03/07/2001 | EP1080061A1 METHOD FOR PRODUCING MIXTURES OF 1,4-BUTANEDIOL, TETRAHYDROFURAN AND $g(g)-BUTYROLACTONE |
| 02/28/2001 | EP1078922A1 Process for the preparation of esters or lactones |
| 02/07/2001 | EP1073620A1 Method for producing 1,4-butanediol |
| 02/06/2001 | US6184391 Processes for producing epsilon caprolactones and/or hydrates and/or esters thereof |
| 01/24/2001 | CN1281424A Process for preparation of butane-1,4-diol, gamma-butyrolactone and tetrahydrofuran |
| 01/18/2001 | DE19930960A1 Verfahren zur Oxidation von organischen Verbindungen A process for the oxidation of organic compounds |
| 01/17/2001 | CN1280558A Process for preparing gamma-butyrolactone, butane-1, 4-diol and tetrahydrofuran |
| 01/11/2001 | WO2001002596A1 Method for oxidating organic compounds |
| 01/09/2001 | US6172242 Process for the production of erythorbic acid |
| 12/28/2000 | WO2000078743A2 Preparation and use of gamma-butyrolactones as cross-linking agents |
| 12/28/2000 | CA2368846A1 Preparation and use of gamma-butyrolactones as cross-linking agents |
| 12/15/2000 | CA2310707A1 Process for recovering gamma-butyrolactone from a mixture of heavy organics |
| 12/05/2000 | US6156910 ε-Caprolactone, process for producing the same, polycaprolactone obtained therefrom, and process for producing the polycaprolactone |
| 11/29/2000 | EP1055654A1 Process for the preparation of organic compounds with imide catalysts |
| 11/22/2000 | EP1053231A2 Process for the production of gamma-butyrolactone |
| 11/22/2000 | EP1053215A1 Methods for preparing macrocyclic products by ring-closing diine metathesis |
| 11/21/2000 | US6150538 Peroxidation and acidification to form epoxides, hydrolysis to form erythroaleuritic acid or ester, heating with ortho ester to form dioxolane and pyrolysis to form hydroxyhexadecanoic acid then macrolactonization |
| 11/15/2000 | CN1058493C Method for preparation of gamma-butyrolactone |
| 11/08/2000 | EP1049657A1 Process for the preparation of butane-1,4-diol, gamma-butyrolactone and tetrahydrofuran |
| 11/07/2000 | CA2036626C Preparation of tetrahydrofuran and .gamma.-butyrolactone |
| 11/02/2000 | EP1047687A1 Process for the production of gamma-butyrolactone |
| 10/31/2000 | US6140514 Process for the preparation of macrocyclic esters or lactones |
| 10/04/2000 | EP1041079A2 Ruthenium-optically active phosphine complex mixture, process for the preparation thereof and asymmetric hydrogenation catalyst comprising same |
| 09/28/2000 | DE19911608A1 Verfahren zur Herstellung von delta-Lacton A process for producing delta-lactone |
| 09/20/2000 | EP1036791A2 Process for the preparation of delta-lactons |
| 09/14/2000 | WO2000053593A1 Process for the preparation of esters or lactones |
| 08/30/2000 | EP1030830A1 Process for preparing gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran |
| 08/16/2000 | EP1027343A1 Process for the preparation of hydroxy substituted gamma butyrolactones |
| 08/08/2000 | US6100410 Process for the production of 1,4-butanediol, γ-butyrolactone and tetrahydrofuran |
| 07/25/2000 | US6093677 Catalyst comprising copper and sodium oxide on carrier consisting of silicon dioxide and calcium oxide |
| 06/22/2000 | WO2000035899A1 METHOD FOR THE DEVELOPMENT OF δ-LACTONES AND HYDROXY ACIDS FROM UNSATURATED FATTY ACIDS AND THEIR GLYCERIDES |
| 06/22/2000 | WO2000035835A1 Process for the preparation of organic compounds with imide catalysts |
| 06/21/2000 | DE19858728A1 New 1,15-pentadecenolide and 1,15-pentadecynolide compounds useful as fragrances and intermediates |
| 06/20/2000 | US6077964 Process for preparing gamma-butyrolactone, butane-1, 4-diol and tetrahydrofuran |
| 06/14/2000 | CN1053442C Process for producing gamma-butyrolactone |
| 06/13/2000 | US6075153 Catalytic hydrogenation of maleic anhydride, succinic anhydride or their acids in the presence of catalysts consisting of copper oxide, aluminum oxide and a graphite binder; for use in manufacturing n-methylpyrrolidone |
| 06/07/2000 | CN1255920A Process for prodn. of tetrahydrofuran and gammabutyrolactone |
| 06/07/2000 | CN1255914A Process for prodn. of tetrahydrofuran, gammabutyrolactone and butanediol |
| 05/18/2000 | WO2000027834A1 Process to afford gamma butyrolactone and tetrahydrofuran |
| 05/16/2000 | US6063938 Process for producing ε-caprolactone |
| 05/10/2000 | EP0883591B1 Process for preparing 1,6 hexane diol and caprolacton |
| 04/05/2000 | EP0990631A1 Process for cooxidizing organic compounds, process for producing epoxy compounds and process for producing esters or lactones |
| 03/28/2000 | US6043380 For asymmetrically hydrogenating 4-methylene-2-oxetanone into optically active 4-methyl-2-oxetanone |
| 03/14/2000 | US6037477 Oxidation process of ethers |
| 02/09/2000 | EP0977746A1 Process for the production of tetrahydrofuran and gammabutyrolactone |
| 02/08/2000 | US6022982 Acid catalyst selected from the group consisting of h2so4, methane sulfonic acid, trifluoromethane sulfonic acid, and mixtures thereof |
| 02/02/2000 | EP0975622A1 Selective olefin metathesis of bifunctional or polyfunctional substrates in compressed carbon dioxide as reaction medium |
| 01/19/2000 | EP0972771A1 Epsilon-caprolactone, process for producing the same, polycaprolactone obtained therefrom, and process for producing the polycaprolactone |
| 01/11/2000 | USRE36493 Fragrant macrocyclic lactones |
| 01/11/2000 | US6013809 Analgesics |
| 12/29/1999 | EP0966416A2 A process for the production of tetrahydrofuran, gammabutyrolactone and butanediol |
| 12/28/1999 | US6008384 Method and Ru,Re,Sn/carbon catalyst for hydrogenation in aqueous solution |
| 12/28/1999 | US6008375 Process for manufacturing 2-pyrrolidone or N-alkylpyrrolidones |
| 12/09/1999 | WO1999062895A1 Method for producing butyrolactones |
| 12/09/1999 | DE19824534A1 Verfahren zur Herstellung von Butyrolactonen A process for producing butyrolactones |
| 12/07/1999 | US5998635 Process for producing a β-lactone derivative |
| 11/16/1999 | US5985789 Ru, Sn/oxide catalyst and process for hydrogenation in acidic aqueous solution |
| 11/11/1999 | WO1999057117A2 Indole derivatives and their use in the treatment of malignant and other diseases caused by pathological cell proliferation |
| 11/10/1999 | EP0955303A2 Ruthenium-iodo-optically active phosphine complex |
| 11/09/1999 | US5981782 Exhibits high catalytic activity and allows asymmetric reaction in a high asymmetric yield to obtain a reaction product having a high optical purity |
| 11/09/1999 | US5981771 Intermediate for raw material of polymer, synthetic material for medicines, liquid crystals; asymmetric hydrogenation of 4-methylene-2-oxetanone in the presence of ruthenium-iodo-optically active phosphine catalyst complex |
| 11/09/1999 | US5981769 From adipic acid, 6-hydroxycaproic acid and small amounts of 1,4-cyclohexanediols by esterifying and hydrogenating a substream to give hexanediol and cyclizing 6-hydroxycaproic esters to give caprolactone |
| 11/04/1999 | WO1999055691A1 Method for synthesising a lactone |
| 11/04/1999 | WO1999055659A1 Method for producing 1,4-butanediol |
| 11/04/1999 | WO1999055654A1 METHOD FOR PRODUCING MIXTURES OF 1,4-BUTANEDIOL, TETRAHYDROFURAN AND η-BUTYROLACTONE |
| 10/28/1999 | DE19818340A1 Production of butan-1,4-diol, tetrahydrofuran and gamma-butyrolactone |
| 10/28/1999 | DE19818248A1 Production of highly pure butan-1,4-diol, useful for producing polyesters, gamma-butyrolactone and tetrahydrofuran |
| 10/12/1999 | US5965540 Antiinflammatory agent |
| 10/07/1999 | WO1999050204A1 Process for cooxidizing organic compounds, process for producing epoxy compounds and process for producing esters or lactones |
| 10/05/1999 | US5962700 Reacting alkynes with carbon monoxide and hydrogen gas in the presence of transition metal catalysts |
| 09/29/1999 | CN1045289C Process for mfg. alkyl ketene dimer |
| 09/23/1999 | WO1999038856A3 Process for the production of gamma-butyrolactone |
| 09/21/1999 | US5955620 Dehydrogenation of 1,4-butanediol to γ-butyrolactone |
| 09/16/1999 | WO1999035113A3 A process for the production of tetrahydrofuran, gammabutyrolactone and butanediol |
| 09/15/1999 | CN1228428A Method for preparing macrocyclic ester or lactone |
| 09/08/1999 | EP0940397A1 Process for the preparation of macrocyclic esters or lactons |
| 09/08/1999 | EP0940396A1 Process for the preparation of lactones |
| 09/02/1999 | WO1999031084A8 Brefeldin a derivatives |
| 08/25/1999 | EP0937719A1 Process for the preparation of CIS-isoambrettoldide and her application |
| 08/12/1999 | WO1999040047A1 Methods for preparing macrocyclic products by ring-closing diine metathesis |
| 08/12/1999 | DE19804673A1 Verfahren zur Darstellung makrocyclischer Produkte durch ringschliessende Diin-Metathese Process for the preparation of macrocyclic products by ring-closing metathesis Deen |
| 08/12/1999 | CA2325370A1 Methods for preparing macrocyclic products by ring-closing diine metathesis |
| 08/05/1999 | WO1999038856A2 Process for the production of gamma-butyrolactone |
| 07/27/1999 | CA2007048C Process for the reduction of the polymer portion in the dimerization of ketene |
| 07/15/1999 | WO1999035139A1 Process for the production of gamma-butyrolactone |
| 07/15/1999 | WO1999035136A1 Process for the production of tetrahydrofuran and gammabutyrolactone |
| 07/15/1999 | WO1999035113A2 A process for the production of tetrahydrofuran, gammabutyrolactone and butanediol |
| 07/15/1999 | CA2280883A1 Process for the production of tetrahydrofuran and gammabutyrolactone |
| 07/15/1999 | CA2280881A1 A process for the production of tetrahydrofuran, gammabutyrolactone and butanediol |
| 07/08/1999 | WO1999033819A1 ε-CAPROLACTONE, PROCESS FOR PRODUCING THE SAME, POLYCAPROLACTONE OBTAINED THEREFROM, AND PROCESS FOR PRODUCING THE POLYCAPROLACTONE |
| 07/07/1999 | CN1222138A Process for prodn. of 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran |