| 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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| 10/31/1979 | EP0004978A1 Use of 4,6,6-trimethyltetrahydropyran-2-one and a mixture thereof with 4,4,6-trimethyltetrahydropyran-2-one in a weight ratio of 60:40 as fragrances and fragrant compositions containing them |
| 10/16/1979 | US4171313 Molybdenum and tungsten peroxo complexes useful as oxidation catalysts |
| 10/16/1979 | CA1064520A1 Process for the manufacture of cyclohexane-1,3-diones and 6-alkyl-3,4-dihydro-2-pyranones |
| 10/03/1979 | EP0004493A1 Ethers whose organic moieties have asymmetric atoms, methods for their preparation and their use for the resolution of alcohols, phenols or certain compounds with a lactone structure |
| 09/18/1979 | US4168272 Homologs of lasalocid A |
| 09/11/1979 | US4167513 Synthesis of unsaturated esters and lactone from butadiene and carbon dioxide |
| 08/21/1979 | US4165321 Process for the production of heterocyclic compounds |
| 08/14/1979 | CA1060461A1 Continuous process for producing gammabutyrolactone by catalytic hydrogenation of maleic anhydride |
| 07/10/1979 | US4160769 Hydrogen peroxide, selenium compound catalyst |
| 07/03/1979 | US4159989 Process for preparing ethylene glycol diacylate |
| 05/22/1979 | US4155919 Process for the production of 1,4-butanediol and tetrahydrofuran |
| 05/08/1979 | US4153616 Process for the preparation of alkenylated dicarboxylic acid lactones |
| 04/03/1979 | CA1051800A1 Homologs of antibiotic lasalocid a from streptomyces |
| 02/13/1979 | CA1048517A1 Process for making 4-butyrolactone |
| 02/07/1979 | EP0000476A1 Process for the preparation of cyclopentadecanolide |
| 02/06/1979 | US4138289 Asymmetric hydrogenation by microorganism, fermentation |
| 10/31/1978 | CA1041529A1 Process for the production of gamma-butyrolactone and novel catalyst therefor |
| 10/10/1978 | US4119642 Butenolide synthesis via carbonylation of vinylmercurials in the presence of inorganic salts |
| 09/12/1978 | US4113742 Process for the preparation of alpha-pyrones |
| 08/08/1978 | US4105674 Copper, platinum or palladium |
| 07/11/1978 | US4100362 Oxidation process |
| 06/20/1978 | US4096156 Hydrogenation catalyst containing silver or gold and a platinum group metal |
| 05/30/1978 | US4092270 Catalyst for the production of 2,2-disubstituted propiolactones |
| 05/23/1978 | US4091041 Preparation of 1,4-diols by hydrolysis-hydrogenation of 2-alkoxytetrahydrofurans |
| 05/16/1978 | US4089869 By reacting omega-iodoperfluorocarboxylic acid derivative with fuming sulfuric acid |
| 04/11/1978 | US4083809 Hydrogenation catalyst and method of producing same |
| 03/28/1978 | US4081456 Bis-lactam derivatives |
| 01/17/1978 | US4069232 Reacting with carbon monoxide |
| 12/20/1977 | US4064144 Process for the preparation of trans-Δ9 -isoambrettolide |
| 09/13/1977 | US4048196 Manufacture of butanediol and/or tetrahydrofuran from maleic and/or succinic anhydride via γ- butyrolactone |
| 08/09/1977 | US4041049 Catalytic dehydration and cyclization and cyclization of 4-oxocarboxylic acids |
| 07/12/1977 | US4035389 Production of 2,2-disubstituted propiolactones |
| 06/21/1977 | US4031114 Alpha, beta-butenolide preparation |
| 05/24/1977 | US4025534 Continuous process for producing gamma-butyrolactone by catalytic hydrogenation of maleic anhydride |
| 05/10/1977 | US4022822 Process for preparing sorbic acid |
| 04/19/1977 | US4018833 Preparing resorcinols from δ-ketocarboxylic acids or from their lactones |
| 03/29/1977 | US4014902 Intermediate in the process for the preparation of trans-Δ9 -isoambrettolide |
| 03/22/1977 | US4013691 Process for the simultaneous manufacture of epsilon-caprolactones and carboxylic acids |
| 03/08/1977 | US4011177 Chemicals and their use in perfumery |
| 03/01/1977 | US4010170 Butenolide synthesis via carbonylation of vinylmercurials |
| 02/01/1977 | US4006109 Trimethyl nonene alcohols and perfume compositions |
| 01/04/1977 | US4001282 Process for producing gamma-butyrolactone |
| 12/28/1976 | US4000310 Pharmaceutical compositions containing 6-methyl-3,4-diphenyl-3,4,5,6-tetrahydro-2-pyrone or derivatives thereof |
| 12/14/1976 | US3997537 Process of preparing 2-amino-4-hydroxy-5(and/or 6)-alkyl substituted pyrimidines |
| 11/30/1976 | US3994928 Process for the production of γ-butyrolactone |
| 11/23/1976 | US3993771 Fungicides; alpha-benzylidine-gamma-butyrolactone |
| 11/16/1976 | US3992417 Process for manufacture of gamma butyrolactones |
| 11/02/1976 | US3989724 Tetrahydropyran-2-ols |
| 09/14/1976 | US3980670 Hydroformylation of carboxylic acid allyl esters in rhodium catalysts; oxidation |
| 08/17/1976 | US3975381 Process for preparing γ-lactone derivatives |
| 06/15/1976 | US3963757 Reacting water and a cyanide with haloalkanols, phosphine promoter |
| 05/18/1976 | US3957827 Hydrogenation of carboxylic acid anhydrides to lactones or esters by homogeneous catalysis |
| 04/27/1976 | US3953472 Distillation, alicyclic or aliphatic alcohols |
| 04/20/1976 | US3952020 Lactone production |
| 04/13/1976 | US3950361 With a solid alkaline earth metal hydroxide |
| 04/06/1976 | US3948805 Catalysts for converting maleic anhydride to alpha-butyrolactone |
| 03/16/1976 | US3944572 Delta-caprolactone, cracking catalyst |
| 01/27/1976 | US3935235 Lactones |
| 01/06/1976 | US3931237 Production of 2,2-disubstituted propiolactones |
| 01/06/1976 | US3931236 Oxidation and dehydrohalogenation of halotetrahydropyrans |