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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03/28/1991 | DE3930950A1 New derivatives of sorangicin A - are antibiotics active against resistant strains of myxo:bacterium |
03/28/1991 | CA2067101A1 Cyclic peroxyacetal lactone and ether compounds |
03/27/1991 | EP0418925A2 Method of producing (S)-4-hydroxymethyl-gamma-lactone |
03/27/1991 | CN1050193A 13-alkyl-23-imino and 13-halo-23-imino derivatives of ll-f28249 compounds and their use as endo-and ectpparasiticidal insecticical, acaricidal and nematocidal agents |
03/27/1991 | CN1012173B The synthetizing of "ambergis ether-m" perfume |
03/26/1991 | US5003087 Preparing a 1-hydroxy-2,3-dialkylcarbonyloxy-4-(3,4-alkoxy phenyl)naphthalene or a lactone by oxidizing the corresponding a 1-ketone-tetralin derivative |
03/26/1991 | US5003056 Antibiotic NK86-0279, process for production of the same and application of the same |
03/26/1991 | US5002864 Silver halide emulsions, multilayer elements for quick developing films |
03/26/1991 | CA1282064C Macrolide compounds |
03/26/1991 | CA1282061C Deconjugation and epimerization process |
03/20/1991 | EP0417188A1 Protein crosslinking reagents cleavable within acidified intracellular vesicles |
03/20/1991 | CN1050021A Synthetic process of diterpenic lactone |
03/19/1991 | US5001147 Photochemotherapic method of treating psoriasis by using methylangelicin compounds |
03/19/1991 | US5001145 Macrolide compounds |
03/19/1991 | CA1281727C Epoxidised polycycloacetals |
03/13/1991 | EP0417060A2 Bicyclic tetrahydroxypyrrolizidine |
03/13/1991 | EP0417059A2 Bicyclic tetrahydroxylated pyrrolizidines |
03/13/1991 | EP0416577A2 Method of preparing levoglucosenone |
03/12/1991 | WO1991003464A1 Herbicidal oxabicyclo ethers |
03/12/1991 | US4999351 Treating cardiac failure and memory deficit |
03/12/1991 | CA2065337A1 Herbicidal oxabicyclo ethers |
03/12/1991 | CA1281329C Lipoxygenase inhibitors |
03/12/1991 | CA1281325C Benzofuran derivatives |
03/09/1991 | CA2024841A1 Bicyclic tetrahydroxypyrrolizidine |
03/09/1991 | CA2024840A1 Bicyclic tetrahydroxylated pyrrolizidines |
03/07/1991 | WO1991002741A1 Sugar alcohol derivatives, a process for preparing 3-deoxy-2-octulosonic acid and 3-deoxy-2-heptulosonic acid compounds and derivatives |
03/07/1991 | WO1991002735A1 Chemical compounds based on a netropsin or distamycin molecule coupled with an intercalating agent, method for preparing said compounds and pharmaceutical compositions containing same |
03/07/1991 | WO1991002733A1 Use of mtmfbl and related compounds as immunomodulatory agents |
03/07/1991 | WO1991002728A1 Optically active epoxycyclohexane derivative, optically active epoxycyclohexanone derivative, and production of said derivatives |
03/07/1991 | DE4027076A1 New optically-active myo-inositol derivs. - useful as inositol phosphate intermediates, are prepared from L-quebrachitol by demethylation and inversion |
03/06/1991 | EP0415885A1 Bis-Phthalideactones, process for their preparation, and their use in recording materials |
03/06/1991 | EP0415190A1 Cycloalkylidene derivatives |
03/06/1991 | EP0415065A1 Chroman derivatives |
03/05/1991 | US4997820 Microbicides |
02/27/1991 | EP0414421A2 1-Oxa-2-oxo-8-azaspiro[4,5] decane derivatives, processes for their preparation and pharmaceutical compositions thereof |
02/26/1991 | WO1991002725A1 Derivatives of 5-amino-1,2,3,4 tetrahydro-acridine and applications as drugs |
02/26/1991 | US4996334 Dibenzylidenesorbitols for gelatinizing oils and liquids, increasing transparency and rigidity in resins, improving viscosity of coatings and stabilizing emulsions |
02/26/1991 | US4996329 Derivatives of 1,4-dideoxy-1,4-imino-D-mannitol and a process for their preparation |
02/26/1991 | US4996229 Fungicides; antitumor agents |
02/26/1991 | US4996228 Macrolide antibiotics |
02/26/1991 | CA2064999A1 1,2,3,4-tetrahydroacridin-5-amine derivatives and their use as therapeutic agents |
02/20/1991 | EP0413538A1 Long active injectable formulations containing triacetin |
02/20/1991 | EP0413162A2 Novel cyclic acetals |
02/20/1991 | CN1049348A 2-oxa-1-oxo-8-azaspiro (4,5) decane derivatives, pharmaceutical compositions containing them and process for preparing same |
02/20/1991 | CN1049347A 2-oxa-1-oxo-8-azaspiro ¾4,5 decane derivatives, pharmaceutical compositions containing them and process for preparing same |
02/19/1991 | US4994584 Reducing number of processes for protecting carboxyl group in the chain and hydroxyl groups on the ring |
02/19/1991 | US4994582 Novel antibiotic NK130119 |
02/19/1991 | US4994486 Dopaminergic compounds |
02/15/1991 | CA2022892A1 Long active injectable formulations containing triacetin |
02/13/1991 | EP0412820A2 2-Oxo-1-oxa-8-azaspiro[4,5] decane derivatives, processes for their preparation and pharmaceutical compositions thereof |
02/12/1991 | US4992561 Simple conversion of artemisinic acid into artemisinin |
02/12/1991 | US4992466 Polycyclic ether antibiotic |
02/12/1991 | US4992460 Bicyclic tetrahydroxylated pyrrolizidines |
02/12/1991 | US4992434 Microbicidal composition |
02/12/1991 | US4992381 Method of detecting electrolytes in an aqueous test sample using chromogenic hemispherands and test device therefor |
02/07/1991 | WO1991001321A1 Surface-active ether-carboxylic acid/polyol esters |
02/06/1991 | EP0411703A1 Novel HMG-COA synthase inhibitors |
02/06/1991 | EP0411509A2 Fluoran compound, process for preparation thereof and heat sensitive recording materials comprising said compound |
02/06/1991 | EP0411268A2 Dibenzo(1,5)dioxocin-5-on derivatives, their use in medicines and process for their preparation |
02/05/1991 | US4990668 Reacting selected dioxolane with hydrohalic acid and organic acid, then with amine |
02/01/1991 | CA2022117A1 Hmg-coa synthase inhibitors |
01/31/1991 | DE3923839A1 New benzopyran derivs. (I) as vasodilators and spasmolytic agents - for treatment of hypertension, angina, migrating, asthma etc. |
01/30/1991 | EP0410615A1 Antiparasitic agent |
01/30/1991 | EP0410320A1 Process for preparing lankacidine carbamate derivatives |
01/30/1991 | EP0410206A1 Fluoran compounds, crystalline toluene adducts thereof, recording material comprising same and process for their preparation |
01/30/1991 | EP0247202B1 Isocarbacyclin derivatives and process for their preparation |
01/29/1991 | US4988824 Process for the preparation of 23-(C1-C6 alkyloxime)-LL-F28249 compounds |
01/29/1991 | US4988616 Triarylmethane indicators for hydrogen peroxide |
01/24/1991 | WO1991000858A1 Pharmaceutically active compounds |
01/24/1991 | DE3924201A1 Oberflaechenaktive ethercarbonsaeure-polyolester Oberflaechenaktive ether carboxylic acid polyol ester |
01/23/1991 | EP0409651A1 New Process for the preparation of anti-hypertensive benzopyran derivative |
01/23/1991 | EP0408749A1 Derivatives of 3,18-dihydroxy-9,13-epoxylabdane, method of obtaining them and a hemostatic pharmaceutical preparation based thereon |
01/23/1991 | CN1011287B Oral hygiene composition |
01/22/1991 | US4987149 Soraphen compounds and their use as microbicides |
01/22/1991 | US4987072 Macrocyclic antibiotics |
01/15/1991 | US4985582 Pesticidal compounds |
01/15/1991 | US4985571 6-membered lactones useful as intermediates for antilipemic mevalonic acid lactones |
01/15/1991 | US4985550 Polyhydroxylated and highly fluorinated compounds, their preparation and their use as surfactants |
01/09/1991 | EP0407217A1 Pharmaceutically active compounds |
01/08/1991 | US4983779 Coupling carbonyl compound with ester in organic solvent in presence of metallic reducing agent, titanium salt, amine base |
01/02/1991 | EP0406211A2 Fucosidase inhibitors |
01/02/1991 | EP0405864A2 Phospholipase A2 inhibitor, microorganisms producing said inhibitor and processes for its production |
01/02/1991 | CA1278577C Bicyclic sulfonamide derivatives |
01/01/1991 | US4981792 Immunosuppressant compound |
12/27/1990 | CA1278311C2 Prostaglandins |
12/26/1990 | CN1048041A Dibenzo (1,5) dioxocin-5-one derivatives, their use in medicaments and processes for their prepn. |
12/25/1990 | US4980485 Multistep process from dihydrolimonene |
12/25/1990 | US4980370 Antiparasitic agents |
12/19/1990 | EP0403185A2 Compounds having one or more aminosulfonyloxy radicals useful as pharmaceuticals |
12/19/1990 | EP0403090A1 7-oxabicycloheptane imidazole prostaglandin analogs useful in the treatment of thrombotic and vasopastic disease |
12/19/1990 | EP0402925A2 A method of isolating ginkgolides from the leaves of the ginkgo tree and purifying them |
12/19/1990 | EP0402846A2 Fluorescence polarization immunoassay for tetrahydrocannabinoids |
12/19/1990 | CN1010855B Process for preparation of benzopyran derivs. |
12/18/1990 | US4978762 Process for preparing [1S-[1α,2α)Z),3α,4α]]-7-[3-[[[[[1-oxoheptyl]-amino]acetyl]amino]methyl]-7-oxabicyclo-[2,2,1]hept-2-yl]-5-heptenoic acid |
12/18/1990 | US4978678 12-halogenated forskolin derivatives |
12/18/1990 | US4978677 Pesticides |
12/18/1990 | US4978675 Macrolide antibiotics and their preparation |
12/13/1990 | WO1990015055A1 New class of compounds having a variable spectrum of activities for capsaicin-like responses, compositions and uses thereof |
12/13/1990 | CA2018659A1 Circulation-active dibenzo[1,5]dioxocin-5-ones |
12/12/1990 | EP0377729A4 Improved methods of using chemiluminescent 1,2-dioxetanes |