| Patents for C07D 305 - Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms (5,442) |
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| 03/31/1981 | US4259250 11a-Homo-PG intermediates for preparing 11a-methano TXA2 compounds |
| 01/27/1981 | US4247448 Thermally stable polycarbonate compositions comprising oxetane phosphonites |
| 01/27/1981 | CA1094569A1 Preparation process of novel lactone derivatives from cyclopentanol |
| 12/30/1980 | US4242453 Cultivating streptomyces to produce an esterase inhibitor |
| 10/15/1980 | EP0016867A1 Monochlorcitric acid derivatives, pharmaceutical compositions containing them and process for the preparation of these derivatives |
| 10/07/1980 | US4226777 From 2-fluoro-2-nitro propanediol and trifluoromethanesulfonic anhydride |
| 10/02/1980 | WO1980002024A1 Lepidoptericidal isothiourea compounds |
| 09/09/1980 | US4221809 Hypotensive agents |
| 08/19/1980 | US4218381 Isocitric acid |
| 08/19/1980 | US4218378 11a-Methano-TXA compounds |
| 06/24/1980 | US4209636 Preparation of ester derivatives of polycarboxylic acids |
| 06/11/1980 | EP0012072A2 Beta-lactones derived from 2-hydroxycyclopentane carboxylic acid, process for their preparation and pharmaceutical compositions containing them |
| 06/03/1980 | US4206221 Cephalomannine and its use in treating leukemic tumors |
| 05/13/1980 | US4202824 Physiologically active derivatives of esterastin |
| 02/19/1980 | US4189438 Physiologically active substance esterastin |
| 02/06/1980 | EP0007839A1 Process for the preparation of 3-substituted cyclo-propane-1-carboxylic acids and products obtained |
| 01/29/1980 | CA1070892A1 Polyhalogenated aromatic compounds and polymers thereof |
| 01/08/1980 | CA1069521A1 Stabilizer mixtures |
| 11/20/1979 | US4175202 4,5,6-Trinor-3,7,-inter-m-phenylene prostaglandin A1 analogs |
| 07/10/1979 | CA1058196A1 Diisocyanato-diketenes |
| 06/26/1979 | US4159388 Ester derivatives of 1-halo-1,1,2,3-propane tetracarboxylic acid |
| 04/24/1979 | US4151200 Reacting a perfluorolactone with a fluorocarbon epoxide |
| 01/30/1979 | US4137236 Amino-spiro[oxa(or thia)cycloalkane-penam]-carboxylic |
| 10/31/1978 | US4123458 Halogenation, dehydrogenation, decarboxylation |
| 10/03/1978 | US4118577 4,5,6-Trinor-3,7-inter-m-phenylene prostaglandin A1 analogs |
| 09/26/1978 | US4116977 By reacting alpha, omega-diiodoperfluoroalkane with fuming sulfuric acid |
| 08/29/1978 | US4110368 Hydro substituted prostanoic acids and esters |
| 05/16/1978 | US4089869 By reacting omega-iodoperfluorocarboxylic acid derivative with fuming sulfuric acid |
| 04/11/1978 | US4084058 4,5,6-Trinor-3,7-inter-m-phenylene prostaglandin F1α analogs |
| 10/11/1977 | US4053485 Tricyclic prostaglandin intermediates |
| 09/13/1977 | US4048058 Methods to be used in reforming processes employing multi-metallic catalysts |
| 06/28/1977 | US4032560 Oxa phenylene prostaglandin analogs |
| 06/21/1977 | US4031226 Antiemetic, psychotropic |
| 06/21/1977 | US4031110 N,n-dimethyl formamide, thionyl chloride |
| 04/26/1977 | US4020097 Hypotensive, anticoagulant |
| 03/29/1977 | US4014855 Polyhalogenated aromatic compounds and polymers thereof |
| 02/22/1977 | US4009182 Process for preparing 3-hydroxyoxetane |
| 02/22/1977 | US4009152 Diisocyanato-diketenes |
| 12/14/1976 | US3997566 Tricyclic prostaglandin |
| 11/30/1976 | US3994929 Production of 2,2-disubstituted propiolactones |
| 04/13/1976 | US3950361 With a solid alkaline earth metal hydroxide |
| 01/06/1976 | US3931237 Production of 2,2-disubstituted propiolactones |