| 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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| 07/07/1999 | CN1221743A Substituted heterocyclic benzoeycloalkenes and the use thereof as substances having analgesic effect |
| 06/29/1999 | US5917067 Process for producing an omega-functionalized aliphatic carboxylic acid and intermediate products of said process, including 2-oxepanone-7-substituted products |
| 06/24/1999 | WO1999031084A1 Brefeldin a derivatives |
| 06/16/1999 | EP0922703A1 Substituted heterocyclic benzocycloalkenes and their use as analgesically active compounds |
| 06/16/1999 | EP0922022A1 Process for preparing gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran |
| 06/02/1999 | CN1218450A Preparation of gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran |
| 06/02/1999 | CN1043529C Carbonylation of epoxides |
| 05/27/1999 | WO1999025678A1 Process for preparing gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran |
| 05/27/1999 | WO1999025675A1 Process for the preparation of butane-1,4-diol, gamma-butyrolactone and tetrahydrofuran |
| 05/27/1999 | CA2309997A1 Process for preparing gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran |
| 05/27/1999 | CA2309992A1 Process for the preparation of butane-1,4-diol, gamma-butyrolactone and tetrahydrofuran |
| 05/14/1999 | WO1999023086A1 Process for the preparation of hydroxy substituted gamma butyrolactones |
| 05/12/1999 | EP0844994B1 Butyrolactone-preparation process |
| 05/06/1999 | EP0912488A1 Process for the production of 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran |
| 04/21/1999 | EP0862548A4 Method for the development of delta-lactones and hydroxy acids from unsaturated fatty acids and their clycerides |
| 04/21/1999 | CN1214747A Process for continuously guiding liquids |
| 04/14/1999 | EP0908455A1 Macrocycles |
| 04/09/1999 | CA2249843A1 Macrocyclen |
| 03/24/1999 | CN1211969A Process for preparing 1,6-hexane diol and caprolacton |
| 03/23/1999 | CA2116078C A process for the production of ketene dimers |
| 02/24/1999 | EP0729462B1 Method for preparing gamma-butyrolactone |
| 02/16/1999 | CA2123256C Process for the manufacture of alkyl ketene dimer |
| 01/20/1999 | EP0891438A1 Process for continuously guiding liquids when digesting pulp in a digester |
| 01/13/1999 | EP0889945A1 Fragrant macrocyclic lactones |
| 01/12/1999 | US5859263 Method and apparatus for production of levulinic acid via reactive extrusion |
| 12/16/1998 | EP0883591A1 Process for preparing 1,6 hexane diol and caprolacton |
| 12/15/1998 | US5849935 Method for the development of δ-lactones and hydroxy acids from unsaturated fatty acids and their glycerides |
| 12/09/1998 | EP0882032A1 Process for the preparation of gamma-butyrolactone and the use thereof |
| 11/19/1998 | DE19720798A1 Preparation of cyclic or polymeric compounds by selective olefin metathesis of poly:unsaturated substrate |
| 11/18/1998 | EP0878458A1 Oxidation process of ethers |
| 10/29/1998 | WO1998047891A1 Selective olefin metathesis of bifunctional or polyfunctional substrates in compressed carbon dioxide as reaction medium |
| 10/21/1998 | EP0872482A2 Process for producing epsilon caprolactones and/or hydrates and/or esters thereof |
| 10/21/1998 | CN1196727A Butyrolactone-preparation process |
| 09/24/1998 | WO1998041517A1 PROCESS FOR PRODUCING δ-VALEROLACTONE DERIVATIVES |
| 09/15/1998 | US5808107 Reduction of a oxydiester with alkali metal borohydride |
| 09/09/1998 | EP0862548A1 Method for the development of delta-lactones and hydroxy acids from unsaturated fatty acids and their clycerides |
| 08/18/1998 | CA2059689C Process for producing carboxylated compound |
| 08/11/1998 | US5792875 Catalytic production of butyrolactone or tetrahydrofuran |
| 08/11/1998 | US5792740 Perfumes; musky odors |
| 07/29/1998 | EP0746553B1 Process for the production of gamma-butyrolactone |
| 07/28/1998 | US5786321 Preparation of cis-isoambrettolidies and their use as a fragrance |
| 06/24/1998 | EP0848613A1 Analogs for specific oligosaccharide-neuregulin interactions and uses thereof |
| 06/03/1998 | EP0844994A1 Butyrolactone-preparation process |
| 05/28/1998 | WO1998022454A1 Method for producing delta and epsilon lactones |
| 05/28/1998 | DE19648244A1 Verfahren zur Herstellung von sigma- und epsilon-Lactonen Process for the preparation of sigma and epsilon-lactones |
| 05/20/1998 | DE19647349A1 Preparation of 1,6-hexan:diol and epsilon-caprolactone from carboxylic acid mixture |
| 05/13/1998 | EP0841343A2 Ruthenium-optically active phosphine complex, process for the preparation thereof and process for the preparation of optically active 4-methyl-2-oxetanone using same |
| 05/06/1998 | EP0817636A4 Cinnamoyl-c-glycoside chromone isolated from aloe barbadensis |
| 03/11/1998 | EP0827956A1 Process for the dehydrogenation of 1,4-butanediol to gamma-butyrolactone |
| 03/10/1998 | US5726328 Preparation of cis-isoambrettolides and their use as a fragrance |
| 03/03/1998 | US5723633 Pyran derivative, photosensitive resin composition, and hologram recording medium using it |
| 02/04/1998 | EP0822193A2 Process for producing Epsilon-caprolactone |
| 01/28/1998 | EP0703892B1 Process for producing an omega-functionalized aliphatic carboxylic acid and intermediate products of said process |
| 01/14/1998 | EP0818452A2 Preparation of cis-isoambrettolides and their use as a fragrance |
| 01/14/1998 | EP0817636A1 Cinnamoyl-c-glycoside chromone isolated from aloe barbadensis |
| 01/07/1998 | EP0688322B1 Oxidation of ketones |
| 12/16/1997 | US5698713 Catalytically hydrogenating maleic or succinic anhydride using mixed metal oxide conatining copper, zinc and zirconium |
| 11/20/1997 | WO1997043242A1 Process for the production of 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran |
| 11/20/1997 | WO1997043234A1 Process for preparing gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran |
| 11/20/1997 | CA2255914A1 Process for the production of 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran |
| 10/16/1997 | WO1997038157A1 Process for continuously guiding liquids when digesting pulp in a digester |
| 10/16/1997 | WO1997038156A1 Process for continuously supplying liquid during the boiling of cellulose in a boiler |
| 09/23/1997 | US5670661 Oxidation of cyclic ketones |
| 09/23/1997 | CA2129649C Process for producing pyrrolidone and n-alkyl pyrrolidones |
| 09/12/1997 | WO1997032948A1 Fragrant macrocyclic lactones |
| 09/09/1997 | US5665891 Oxidation of ketones |
| 09/04/1997 | WO1997031883A1 Process for preparing 1,6 hexane diol and caprolacton |
| 09/04/1997 | DE19607954A1 Economical production of pure 1,6-hexane-diol and epsilon-capro-lactone from by-product of oxidation of cyclohexane |
| 08/13/1997 | EP0528044B1 Process for producing 4-substituted gamma- lactone, and the so produced novel substances. |
| 07/10/1997 | WO1997024346A1 Process for the preparation of gamma-butyrolactone and the use thereof |
| 07/10/1997 | CA2240133A1 Process for the preparation of gamma-butyrolactone and the use thereof |
| 07/09/1997 | EP0672039B1 Process for the preparation of alpha-aryl-gamma-butyrolactones |
| 07/09/1997 | CN1035379C Process for preparing e-caprolactone |
| 07/09/1997 | CN1035378C Catalysis process for preparation of tetrahydrofuran and r-butyrolactone using maleic anhydride |
| 07/08/1997 | US5646307 From 2,5- or 2,3-dihydrofuran |
| 06/19/1997 | CA2273983A1 Process for the preparation of 9-deazaguanine derivatives |
| 06/10/1997 | US5637735 Catalytic vapor phase hydrogenation of maleic or succinic anhydride |
| 06/05/1997 | DE19544408A1 One or 2-stage prepn. of butyrolactone(s) and furanone(s) from simple raw materials |
| 05/13/1997 | US5629432 Preparation of α-aryl γ-butyrolactones |
| 05/07/1997 | EP0727941A4 Methods of achieving antitumor activity using 16-membered-macrolide-type compounds |
| 04/03/1997 | WO1997011932A1 Method for the development of delta-lactones and hydroxy acids from unsaturated fatty acids and their clycerides |
| 03/13/1997 | WO1997009051A1 Analogs for specific oligosaccharide-neuregulin interactions and uses thereof |
| 03/13/1997 | CA2230385A1 Analogs for specific oliogosaccharide-neuregulin interactions and uses thereof |
| 02/27/1997 | WO1997007111A1 Butyrolactone-preparation process |
| 02/20/1997 | DE19530549A1 Butyro-lactone(s) prepn. in good yield from simple starting materials |
| 12/11/1996 | EP0746553A1 Process for the production of gamma-butyrolactone |
| 11/06/1996 | CN1135213A Method for prepn. of gamma-butyrolactone |
| 09/04/1996 | EP0729462A1 Method for preparing gamma-butyrolactone |
| 08/29/1996 | WO1996025937A1 Cinnamoyl-c-glycoside chromone isolated from aloe barbadensis |
| 08/28/1996 | EP0727942A1 Methods of achieving antileukemia activity using 16-membered-macrolide-type compounds |
| 08/28/1996 | EP0727941A1 Methods of achieving antitumor activity using 16-membered-macrolide-type compounds |
| 07/16/1996 | US5536849 Process for producing gamma-butyrolactone |
| 07/02/1996 | US5532386 Catalytic carbonic ester and a tertiary amine |
| 06/04/1996 | US5523319 Compounds of the benzo-heterocycle family |
| 04/24/1996 | EP0625142B1 Process for producing pyrrolidone and n-alkyl pyrrolidones |
| 04/03/1996 | EP0703912A1 Process for producing lactones and lactones obtained with this process |
| 04/03/1996 | EP0703892A1 Process for producing an omega-functionalized aliphatic carboxylic acid and intermediate products of said process |
| 04/02/1996 | US5504260 Selective reaction with elemental oxygen in presence of carbon monoxide and palladium-copper catalyst |
| 03/27/1996 | EP0593458B1 Process of vapor phase catalytic hydrogenation of maleic anhydride to gamma-butyrolactone in high conversion and high selectivity using an activated catalyst |
| 03/26/1996 | US5502217 Multistage process with hydrogenation of maleic acid or succinic acid in the presence of metal to form butyrolactone |