| Patents for C07D 493 - Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system (17,376) |
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| 08/11/1981 | US4283576 Cyclohexenemethanols |
| 08/11/1981 | US4283493 Process of producing antibiotic X-14766A by a streptomyces |
| 08/11/1981 | US4283340 Ascorbic acid intermediates |
| 08/04/1981 | US4282152 Intermediates for preparing spectinomycin and analogs thereof |
| 08/04/1981 | CA1106388A1 Cyclic esters of 3,4-dihydroxy-thiophene-1,1-dioxide compounds and 3,4-dihydroxy-cyclopentadienone compounds |
| 07/28/1981 | US4281013 Antiatherosclerotic use of khellin and khellinin |
| 07/14/1981 | CA1104925A1 Composition and method for treating or preventing fowl coccidiosis |
| 07/07/1981 | US4277625 Process for the preparation of muscone |
| 07/07/1981 | US4277401 Total synthesis of 1RS,4SR,5RS-4-(4,8-dimethyl)-5-hydroxy-7-nonen-1-yl)-4-methyl-3,8-dioxabicyclo[3.2.1]octane-1-acetic acid |
| 06/30/1981 | US4276294 Benzofurylpiperazines |
| 06/30/1981 | US4276217 From 2,6-dimethyl-6-hepten-1,2-diol and ozone |
| 06/30/1981 | US4276216 Synthesis of dioxabicyclo[3.2.1]octanes and oxepanes |
| 06/30/1981 | CA1104145A1 Process for the manufacture of butenolide derivatives |
| 06/23/1981 | CA1103584A1 Control of insects with 2-ethyl-1,6- dioxaspiro[4.4]nonane |
| 06/16/1981 | CA1103262A1 Process for preparing 1,4:3,6-dianhydro-d-glucitol 2- nitrate |
| 06/09/1981 | US4272629 Novel prostaglandin intermediates |
| 06/02/1981 | US4271290 Chemical intermediate |
| 05/26/1981 | US4269971 Antibiotic TM-531 |
| 05/26/1981 | US4269862 Organoleptic; perfumes, chewing gum, dentifrices, tobacco, detergents and fabric softeners |
| 05/26/1981 | US4269852 4'-Substituted-4,5',8-trialkylpsoralens |
| 05/26/1981 | US4269851 8-Aminoalkyl-4-alkylpsoralens |
| 05/26/1981 | CA1101876A1 Gibberellin salts |
| 05/12/1981 | US4267113 Antitumor agents |
| 05/12/1981 | US4267112 And di-o-acylates, di-n-acylates, and tetra-acylated derivatives |
| 05/12/1981 | US4267110 Process for preparing dibenzylidenesorbitol and composition containing the same |
| 05/06/1981 | EP0028064A1 Chromanol derivatives, a process for their preparation and a pharmaceutical composition comprising them |
| 05/05/1981 | US4265923 Use of cyclohexenemethanols in augmenting or enhancing the aroma or taste of foodstuffs |
| 05/05/1981 | CA1100518A1 Method of preparing furocoumarins |
| 04/29/1981 | EP0027522A1 Spiro(cyclohexane-1,1'(3'H)-isobenzofuran)s, processes and intermediates for their preparation and pharmaceutical compositions containing them |
| 04/28/1981 | US4264510 Intermediates in the production of anthracycline antibiotics |
| 04/21/1981 | US4263317 Antidepressants, analgesics, tranquilizers, anticonvulsants |
| 04/21/1981 | US4263208 2-Oxabicyclooctane derivatives, processes for preparing same and organoleptic uses thereof |
| 04/21/1981 | US4263149 2-Oxabicyclooctane derivatives for augmenting or enhancing the flavor of foodstuffs |
| 04/21/1981 | CA1099727A1 Benzofuranyl-benzimidazoles |
| 04/21/1981 | CA1099571A1 Salinomycin as ruminant feed additive |
| 04/16/1981 | WO1981001002A1 Fluoro-substituted prostaglandins and prostacyclins |
| 04/14/1981 | USRE30574 Preemergent and postemergent |
| 04/07/1981 | US4260631 Growth, feed efficiency, dysentery |
| 04/07/1981 | US4260630 Psoriasis, 3-carboxy or cyano-substituted psoralen derivative with uv radiation |
| 04/07/1981 | US4260622 Animal feedstuffs employing 3,4,5-trihydroxypiperidines |
| 04/07/1981 | US4260526 Perfume compositions containing 2,6,10,10-tetra-methyl-1-oxa-spiro[4,5]-decan-7-one |
| 04/01/1981 | EP0025937A2 Thermoplastic polycarbonates, process for their preparation, bis-halo-formates of hexahydro-furo (3,2-b) furan-3,6-diols, and polycarbonate compositions |
| 03/31/1981 | US4259321 Antibiotic k-41 |
| 03/31/1981 | US4259243 Catalytic oxidation of tetrahydronaphthalene followed by rearranging ring contraction |
| 03/31/1981 | CA1098528A1 New 2,9-dioxatricyclo[4,3,1,0 su3,7 xx] decane derivatives, process for their preparation and pharmaceutical compositions thereof |
| 03/24/1981 | US4258199 Method for preparing cyclic ethers and thioethers including oxygen isomers and sulfur analogs of prostacyclin |
| 03/24/1981 | US4258071 1,4-Epoxy-1,3,3-trimethyl-2-(2-buten-1-ylidene)cyclohexanes as flavorants |
| 03/24/1981 | US4257956 Oxabicycloalkane pyrethroid intermediates |
| 03/17/1981 | US4256729 N,N'-Bis-(2,3-dihydroxypropyl)-2,4,6-triiodo-5-(2-keto-L-gulonamido)isophthalamide and radiological compositions containing same |
| 03/17/1981 | US4256646 Synthesis of optically pure thromboxanes |
| 03/17/1981 | US4256644 Chemical intermediates in the preparation of oxepane compounds |
| 03/17/1981 | US4256642 3,10-dimethyl-2,9-dioxatricyclo(4.3.1.0(3,7))decan-4-ol or 4-one made from didrovaltratum in multistep process |
| 03/17/1981 | US4256121 Use of 2-oxabicyclooctane derivatives in augmenting or enhancing the aroma or taste of smoking tobacco and smoking tobacco articles |
| 03/11/1981 | EP0024943A1 5,6,7-Trinor-4,8-inter-m-phenylene PGI2 derivatives and pharmaceutical compositions containing them |
| 03/10/1981 | CA1097364A1 Benzodifuranes |
| 03/03/1981 | US4254044 7-Oxabicycloheptane- and 7-oxabicycloheptene compounds |
| 02/25/1981 | EP0024095A1 Total synthesis of (1RS, 4SR, 5RS)-4-(4,8-dimethyl-5-hydroxy-7-nonenyl)-4-methyl-3,8-dioxabicyclo (3.2.1) octane-1-acetic acid and intermediates |
| 02/24/1981 | US4252566 Cumarinic pigments |
| 02/24/1981 | US4252545 Process for the fractional desublimation of pyromellitic acid dianhydride |
| 02/24/1981 | CA1096397A1 Ascorbic acid intermediates |
| 02/17/1981 | US4251537 Hypotensive 3,4-dihydro-2,2-dimethyl-4-amino-2H-benzo[b]pyran-3-ols |
| 02/17/1981 | US4251528 Phthalazin-4-ylacetic acid derivatives |
| 02/10/1981 | US4250342 2-Oxabicyclooctane derivatives, processes for preparing same and organoleptic uses thereof |
| 02/10/1981 | US4250317 Benzofuranyl-benzimidazoles |
| 02/10/1981 | US4250099 Megastigma-5(11)8-dien-4,7-oxides and tetra-substituted-7-oxa-bicyclo[3.3.0]-octanes |
| 02/10/1981 | US4250062 1,4-Epoxy-1,3,3-trimethyl-2-(2-buten-1-ylidene) cyclohexanes as odorants |
| 02/03/1981 | CA1095060A1 Pharmaceutically active 2,9-dioxatricyclo [4,3,1, 0.sup.3,.sup.7] decanes |
| 01/28/1981 | EP0023080A1 Substituted 2,7-dioxo-2,7-dihydrobenzo(1:2-b; 5,6-b1)difuran or dipyrrole dyestuffs, processes for their preparation and their use for the colouration of aromatic polyester textile materials |
| 01/27/1981 | US4247703 Methyl ester of the 16-hydroxy-, 16-hydroxy-n-demethyl-, and n-demethyl- derivatives |
| 01/27/1981 | US4247560 6,7-Methylenedioxy-isochromane arthropodicide synergizing agents |
| 01/27/1981 | US4247423 Cyclohexenemethanols and their lower esters in perfume compositions |
| 01/20/1981 | CA1093968A1 Agent to be administered orally to domestic animals without cellulose digestion in the rumen |
| 01/13/1981 | US4244874 3,8-Dioxo-scirpen-4β,15-diol esters and their use as antitumor agents |
| 01/07/1981 | EP0021775A1 Synthesis of 1RS,4SR,5RS-4-(4,8-dimethyl-5-hydroxy-7-nonen-1-yl)-4-methyl-3,8-dioxabicyclo(3.2.1)octane-1-acetic acid and intermediates |
| 12/30/1980 | US4242341 Sedatives, soporifics |
| 12/30/1980 | US4242269 2-Oxabicyclooctane derivatives, processes for preparing same and organoleptic uses thereof |
| 12/16/1980 | US4239929 Aromatization of dienes in the liquid phase |
| 12/16/1980 | US4239773 Insecticidal esters of certain substituted 7-oxabicyclo[2.2.1]2,5-heptadiene methanols |
| 12/16/1980 | US4239748 Inorganic salts of 2,8-dicarboxy-4,6-dioxo-10-propyl-4H,6H-benzo(1,2-b:5,4-b')dipyran useful for the treatment of asthma and hay fever |
| 12/16/1980 | US4239689 Total synthesis of the utero-evacuant substance d,l-zoapatanol |
| 12/10/1980 | EP0020058A1 Total synthesis of (1RS, 4SR, 5RS)-4-(4,8-dimethyl-5-hydroxy-7-nonenyl)-4-methyl-3,8-dioxabicyclo (3.2.1) octane-1-acetic acid, and intermediates |
| 12/09/1980 | US4238606 Tricyclic mono-chromone-2-carboxylic acids |
| 12/09/1980 | US4238500 Cyclic double hemiacetals of enediol compounds and compositions and methods for preparing and using same |
| 12/09/1980 | US4238399 3,4-Anhydro-2,6-dideoxy-L-ribohexose |
| 12/09/1980 | US4238398 Antibiotics 7(R)-O-alkylnogalarols |
| 12/02/1980 | US4237057 Synthesis of quinone pyrano-gamma-lactone antibiotics and antifungal agents |
| 12/02/1980 | US4237055 Synthesis of 1RS,4SR,5RS-4-(4,8-dimethyl-5-hydroxy-7-nonen-1-yl)-4-methyl-3,8-dioxabicyclo[3.2.1]octane-1-acetic acid |
| 12/02/1980 | US4237054 Utero-evacuant |
| 12/02/1980 | US4237053 From a disilyl ether of oxepane |
| 11/25/1980 | US4235913 9-Hydroxyhexahydrodibeno[b,d]pyrans, 1-substituted-9-hydroxyhexahydrodibenzo]b,d]pyrans |
| 11/25/1980 | US4235781 6 Or 8 Haloallyl substituted 7-hydroxycoumarins |
| 11/18/1980 | US4234490 Intermediates in the synthesis of vitamin E |
| 11/18/1980 | US4234463 Cyclohexene methanol derivatives in perfume |
| 11/12/1980 | EP0018830A2 Spirobenzofuranones, their production and pharmaceutical compositions containing them |
| 11/11/1980 | US4233224 Antitumor |
| 11/11/1980 | US4233220 Epoxide resin curing agents, intermediates to crosslinkable polymers |
| 11/04/1980 | US4232168 Preparation of ascorbic acid intermediates |
| 11/04/1980 | US4231940 2-Oxabicyclooctane derivatives |
| 11/04/1980 | US4231939 2,5-Dioxo-3H,6H-furo[(3,2-b]furan-3a,6a-diacetic acid and salts thereof |
| 11/04/1980 | CA1088952A1 Total synthesis of (?)-picropodophyllone and (?)-4'-demethylpicropodophyllone |