| Patents for C07C 50 - Quinones (2,441) |
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| 04/03/1990 | US4914191 Reduced side effects |
| 04/03/1990 | US4913851 Using easily resolvable intermediates to improve yield |
| 03/06/1990 | US4906669 Isoprenoid derivatives and anti-ulcer agents containing the same |
| 03/06/1990 | US4906411 Process for producing 2-methyl-1,4-naphthoquinone |
| 02/13/1990 | US4900476 Quinone intermediates for asymmetric synthesis of natural vitamin E |
| 02/06/1990 | US4898962 Natural vitamin E intermediate |
| 02/06/1990 | US4898953 Natural Vitamin E intermediate |
| 02/06/1990 | US4898891 Antiviral compositions |
| 01/30/1990 | US4897420 Ischemic diseases; antiallergens |
| 01/30/1990 | CA1265134A1 Hydroxy-1 acyloxy-8 acyl-10 anthrones, process for their preparation and use in human and veterinary medicine as well as in the cosmetics industry |
| 01/23/1990 | CA1264764A1 Process for producing aromatic diols and their ether derivatives |
| 01/17/1990 | EP0350864A1 Aqueous solution containing fat-soluble vitamin K |
| 01/17/1990 | EP0350709A2 Organic conductive complex |
| 01/10/1990 | EP0350395A1 Process for the oxidation of benzylalcohols and parent compounds by biomimetic catalysis |
| 01/03/1990 | EP0348878A2 Modified rhodomycins, process for their preparation and their use |
| 01/03/1990 | EP0348464A1 2-neopentylanthraquinone |
| 12/20/1989 | EP0347021A2 Process for the preparation of 2,3-dimethoxy-5-methylbenzoquinone |
| 12/20/1989 | CN1038089A Process for preparing 4-demethoxydaunomycinone |
| 12/19/1989 | US4888026 Use of hydroxynaphthoquinones for dyeing human keratin fibres |
| 11/29/1989 | EP0344113A2 Substituted alpha-pyrones and naphthoquinones |
| 11/29/1989 | EP0344109A2 Substituted naphthacene-5,12-diones and their use |
| 11/15/1989 | CN1037152A Process for preparation of 4-demethoxydauno-mycinone, aglycone of 4-demethoxy-daunoubicin |
| 11/08/1989 | CN1036946A Compounding method of 1,2-dihydric anthraquinone |
| 11/02/1989 | EP0339442A2 Angucyclinones from streptomyces, process to obtain them and their use |
| 10/31/1989 | US4877870 Process for producing 10-hydroxyanthracyclines |
| 10/25/1989 | EP0338666A1 Method for the preparation of 2,3,5-trimethylbenzoquinone |
| 10/18/1989 | EP0337665A2 Process for preparing 4-demethoxydaunomycinone |
| 10/17/1989 | US4874752 Benzoquinone derivatives and production thereof |
| 09/26/1989 | US4869900 Pharamaceutical composition containing ubidecarenone |
| 09/20/1989 | EP0332679A1 Antiviral compositions containing aromatic polycyclic diones and method for treating retrovirus infections |
| 09/19/1989 | US4867751 Use of benzoquinones for the direct dyeing of keratin fibres |
| 08/30/1989 | EP0330186A2 2-(1-alkylaminoalkyl)-3-hydroxy-1,4-naphthoquinone, process for its production and processes for producing 2-(1-alkenyl)-3-hydroxy-1,4-naphthoquinone and 2-alkyl-3-acyloxy-1,4-naphthoquinone by using it |
| 08/16/1989 | EP0328399A2 Process for the preparation of 4-demethoxydaunomycinone, the aglycone of 4-demethoxy-daunorubicin |
| 08/08/1989 | US4855085 Optically pure intermediates; spontaneous resolution by crystallization |
| 08/08/1989 | US4855084 Anthraquinoylcarboxylic acid hydrazides, curable compositions and use thereof |
| 08/02/1989 | EP0326456A1 Process for the preparation of chloranile |
| 08/02/1989 | EP0326455A1 Method of producing chloranil |
| 08/01/1989 | US4853156 Process for the manufacture of quinone derivatives |
| 07/25/1989 | US4851586 Lipoxygenase and leukotriene inhibitors, antiinflammatory, antisecretory |
| 07/25/1989 | US4851413 Certain benzoquinones, naphthoquinones, corresponding hydroquinones which exhibit thromboxane A2 synthetase inhibition or receptor antagonism and the like |
| 06/27/1989 | US4842775 Sodium borohydride in presence of aluminum chloride and water |
| 06/21/1989 | EP0320777A2 A novel approach to produce natural vitamin E making use of an asymmetric synthesis |
| 06/20/1989 | US4840932 Catalyst for producing 1,4-naphthoquinone |
| 06/06/1989 | CA1255300A1 Method of inducing immunosuppression |
| 05/30/1989 | CA1254890A1 Process for preparing 2-amylanthraquinone from amylbenzene and phthalic anhydride |
| 05/30/1989 | CA1254885A1 Aglycons useful for the preparation of antibiotics and antitumoral agents of the anthracyclin series and process for their preparation |
| 05/16/1989 | US4831265 Method of producing quinone derivatives |
| 05/16/1989 | US4831185 Resolution of racemic mixture-dissolving in hydrocarbon solvent and crystallization |
| 05/09/1989 | CA1253861A1 Process for the preparation of anthraquinone |
| 05/05/1989 | WO1989002886A3 2-neopentylanthraquinone |
| 05/02/1989 | CA1253513A1 Tellurium imaging composition including improved reductant precursor and method |
| 04/25/1989 | US4825005 Presence of aliphatic ketone and acid acceptor |
| 04/18/1989 | US4822873 Antibiotics, antitumor agents |
| 04/18/1989 | US4822823 Improved water solubility by adding cyclodextrin derivatives |
| 04/18/1989 | US4822527 Process for preparation of anthraquinones and fluorenones |
| 04/06/1989 | WO1989002886A2 2-neopentylanthraquinone |
| 04/04/1989 | US4818441 Membrane stabilizers |
| 03/29/1989 | EP0308614A2 Anthracyclin glycoside and use of those glycosides as a drug |
| 03/29/1989 | EP0308613A2 Anthracyclinones and method for their preparation |
| 03/15/1989 | EP0306940A1 Catalytical condensation process for organic carboxylic anhydrides |
| 03/01/1989 | EP0304842A2 Isoprenoid derivatives and anti-ulcer agents containing the same |
| 02/28/1989 | US4808339 Arthritis, asthma, cirrhosis, rhinitis |
| 02/23/1989 | WO1989001329A1 Antiviral compositions containing aromatic polycyclic diones and method for treating retrovirus infections |
| 02/14/1989 | US4804501 Air oxidation of 2-methylbiphenyls or diphenylmethanes in acetic acid using a zirconium-cobalt-manganese-bromine catalyst |
| 01/31/1989 | US4801758 Procedure for producing hydroquinone |
| 01/31/1989 | CA1249597A1 Benzoquinone derivatives and production process thereof as well as use as color-developers suitable for recording materials |
| 01/25/1989 | EP0300218A1 Use of substituted 1,4-naphthoquinones against nites and fungi |
| 01/25/1989 | EP0300083A2 Aglycones for the preparation of antibiotics belonging to the anthracyclin group, and methods for their preparation |
| 01/25/1989 | CN1030569A Liquid phase oxidation method for preparing anthraquinone from crude anthracene |
| 01/18/1989 | EP0299350A2 Anthracyclin derivatives with cytostatic activity |
| 01/04/1989 | EP0298034A2 Substituted anthraquinones and their use in epoxy resins |
| 01/04/1989 | EP0298032A2 Anthrachinoylcarboxylic acid hydrazide, curable compositions and their use |
| 01/04/1989 | EP0298031A1 Substituted anthraquinones and curable compositions |
| 12/27/1988 | US4794188 Certain unsymmetrical quinolinyl ethers having anti-inflammatory and anti-allergic activity |
| 12/27/1988 | US4794172 Ceric oxidant |
| 12/20/1988 | US4792556 Lipoxygenase inhibitors |
| 12/14/1988 | EP0294584A1 Process for preparing 2,3,5-trimethylbenzoquinone |
| 12/07/1988 | CN88102538A Bicyclic compounde processes for prepn. thereof and pharmaceutical composition comprising same |
| 11/30/1988 | CN88102750A Process for preparing 2,3,5-trimethylbenzoquinone |
| 11/23/1988 | CN88102561A Reduction of carboxylic esters |
| 11/22/1988 | US4786652 Naphthalene anti-psoriatic agents |
| 11/08/1988 | CA1244364A1 Anthracycline derivatives, a microbiological process for their preparation and their use as cytostatics |
| 11/03/1988 | WO1988008415A1 Reduction of carboxilic esters |
| 11/02/1988 | EP0289223A1 Reduction of carboxylic esters |
| 11/02/1988 | EP0288962A2 Aryl-aralkyl ethers, processes for their preparation and pharmaceutical composition comprising them |
| 10/18/1988 | US4778931 Certain [3-(1-hydroxy hexyl-tetrahydro)naphthalenes], the corresponding naphthalenes having anti-inflammatory and anti-allergic activity |
| 10/04/1988 | CA1242708A1 Benzoquinone derivatives and production thereof |
| 09/14/1988 | EP0282056A2 Naphthalene anti-psoriatic agents |
| 09/14/1988 | EP0282006A1 Naphtalene anti-psoriatic agents |
| 09/14/1988 | EP0281829A2 Adducts of ketonic compounds with the anions of oxygenated acids, process for their preparation, their use and azo ketonic compounds |
| 08/30/1988 | US4767624 Decubital remedy |
| 08/23/1988 | CA1241012A1 Process for producing 1,4-naphthoquinone |
| 08/17/1988 | EP0278378A2 Process for the manufacture of highly pure tetrachloro-1,4-benzoquinone |
| 08/17/1988 | EP0278377A2 Process for the manufacture of highly pure tetrachloro-1,4-benzoquinone |
| 08/16/1988 | US4764641 Transforming caronyl compound with tartaric acid, halogenating |
| 08/16/1988 | CA1240674A1 Purification of alkylated anthraquinones |
| 07/26/1988 | CA1239647A2 INTERMEDIATE FOR THE SYNTHESIS OF OPTICALLY ACTIVE D- .alpha. TOCOPHEROL |
| 07/26/1988 | CA1239638A2 6-deoxyanthracyclines |
| 07/19/1988 | US4758587 Naphthalene anti-psoriatic agents |
| 07/19/1988 | US4758381 7,7,8,8-tetracyanoquinodimethane and method for preparing the same |