| Patents for C07C 50 - Quinones (2,441) |
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| 07/24/1991 | EP0438376A1 Photochromic naphthacenchinones, process for their production and their use |
| 07/19/1991 | CA2034316A1 Photochromic naphthacenequinones, process for their preparation and the use thereof |
| 07/10/1991 | EP0436474A1 New fluoro-naphtacenediones, their glycosilated derivatives and methods of making them |
| 07/09/1991 | US5030387 Anthraquinone derivatives |
| 07/03/1991 | CN1052659A Fluoro-naphthacenediones, their glycosilated derivatives and their manufacture procedures |
| 07/02/1991 | CA1285575C Naphthalene anti-psoriatic agents |
| 07/02/1991 | CA1285562C Quinone derivatives, their production and use |
| 06/26/1991 | CN1012953B Synthesis of phenanthrene quinone |
| 06/25/1991 | US5026732 Use of avarone for the control of AIDS and ARC |
| 06/25/1991 | CA1285280C Quinone derivatives, their production and use |
| 06/19/1991 | EP0432496A2 Preparation of hypericin |
| 06/19/1991 | EP0408759A4 Method of obtaining bromated aromatic and heterocyclic combinations containing acceptor groups |
| 06/13/1991 | WO1991008189A1 Polyhydroxy-1,4-naphthoquinones and a pharmaceutical preparation as protector of myocardium under ischemia and reperfusion based on them |
| 06/05/1991 | EP0430434A2 Process for the preparation of fluoroaromatic and fluoroheteroaromatic compounds |
| 06/05/1991 | EP0430164A2 Process for preparation of 2-substituted-1,4-naphthoquinone |
| 06/04/1991 | US5021570 Aqueous solution containing fat-soluble vitamin K |
| 05/15/1991 | EP0426785A1 Compositions and methods for treating viral infections |
| 05/14/1991 | US5015745 Ketalization, sulfonylation, amination and diazotization to form a demethoxydaunomycinone |
| 05/14/1991 | CA2029715A1 Fluoro-naphthacenediones, their glycosilated derivatives and their manufacture procedures |
| 05/01/1991 | CN1012495B Quinone derivatives, their production and use |
| 04/30/1991 | US5011944 Electrochromism; intermediates for substituted napthquinones and tetrathiotetracenes |
| 04/25/1991 | DE3935772A1 Prepn. of St John's wort extract enriched with hypericin - by extracting plant material contg. at least 50 wt. per cent blossoms with mixt. of alcohol and water |
| 04/24/1991 | EP0423583A1 Process for the preparation of hydroxyanthraquinones |
| 04/23/1991 | CA1283410C Anthraquinoylcarboxylic acid hydrazides, curable compositions and use thereof |
| 04/21/1991 | CA2026904A1 Preparation of hydroxyanthraquinones |
| 04/04/1991 | WO1991004021A1 Medicaments for the treatment of toxoplasmosis |
| 04/03/1991 | EP0419905A2 Quinone derivatives and pharmacological use |
| 04/02/1991 | CA1282420C Process for producing 2-methyl-1,4-naphthoquinone |
| 03/27/1991 | EP0418648A1 4-Hydroxytetrahydropyran-2-ones as well as the corresponding dehydroxy carbon acid derivatives, salts and esters, process for their preparation, pharmaceutical preparations as well as precursors |
| 03/27/1991 | CN1050182A Quinone derivatives and pharmacological use |
| 03/26/1991 | US5002634 Method for the delignification of wood pulp utilizing fused ring quinone compounds prepared from lignin or lignin derived substances |
| 03/19/1991 | US5001282 Method of treating diabetes mellitus with bisphenol derivatives |
| 03/19/1991 | CA1281650C Aqueous preparation containing cyclodextrin |
| 02/20/1991 | EP0413224A1 Fungicidal agent containing 1,2-naphthoquinones |
| 02/12/1991 | US4992469 Method of obtaining an antiplatelet effect |
| 01/30/1991 | EP0410343A2 Use of bisphenol derivatives in treating diabetes mellitus |
| 01/30/1991 | EP0410172A2 2-Halogeno-3-phenoxy-1,4-naphthoquinone derivatives |
| 01/23/1991 | EP0408759A1 Method of obtaining bromated aromatic and heterocyclic combinations containing acceptor groups |
| 01/15/1991 | US4985447 Certain benzoquinones, naphthoquinones and derivatives thereof which exhibit thromboxane A2 synthetase inhibition or receptor antagonism and the like |
| 01/01/1991 | US4981982 Neutralization |
| 01/01/1991 | US4981874 Preventing pneumoxystis pneumonia in aids patients |
| 12/27/1990 | EP0404640A1 5,6,7,8-Tetrahydro-1-naphtalenol derivatives, process for their preparation and their use as antioxidants in cosmetic and pharmaceutical compositions |
| 12/25/1990 | US4980489 2-(1-alkylaminoalkyl)-3-hydroxy-1,4-naphthoquinone |
| 12/19/1990 | EP0211023B1 Pharmaceutical composition containing ubidecarenone |
| 12/13/1990 | CA2018959A1 Tetrahydro-5,6,7,8 naphtalenol-1 derivatives, process for their preparation and use as antioxidant in cosmetic compositions and pharmaceutical products containing same |
| 12/04/1990 | US4975459 Microbicidal and plant growth regulating compounds |
| 12/04/1990 | CA1277332C Phenyl nonatetraenoic acid derivatives |
| 11/27/1990 | US4973772 Reacting chloroaromatic compound with alkali metal fluoride in presence of phase transfer agents |
| 11/27/1990 | US4973720 Hydroquinone, hydrogen peroxide, iodine or iodide catalyst |
| 11/14/1990 | EP0397137A1 Production process of quinizarin |
| 11/13/1990 | US4970328 Miticide, fungicide |
| 10/30/1990 | US4966984 Heating in presence of superactive bleaching clay |
| 10/30/1990 | US4966918 Derivatives of chryosphanol |
| 10/23/1990 | US4965274 Quinolyl methoxy compounds, processes for preparation thereof and pharmaceutical composition comprising the same |
| 10/03/1990 | EP0390181A2 Perylenequinone (UCN-1028D) derivatives |
| 10/02/1990 | US4960914 Method for the preparation of naphthoquinone |
| 09/20/1990 | WO1990010438A1 Compositions and methods for treating viral infections |
| 09/19/1990 | EP0387820A2 Process for the preparation of 2,3,5-trimethyl-p-benzoquinone |
| 09/12/1990 | CN1045259A Process for preparing anthracyclinones |
| 09/12/1990 | CN1009550B Liquid phase oxidation method for preparing anthraquinone from crude anthracene |
| 09/12/1990 | CN1009549B Process for the manufacture of optically active compounds |
| 09/05/1990 | EP0385354A1 Process for preparing anthracyclinones |
| 09/05/1990 | EP0385109A2 Shaped article for optical uses |
| 09/03/1990 | WO1990009974A1 Process for preparing anthracyclinones |
| 08/28/1990 | US4952712 Process for the preparation of 2,3-dimethoxy-5-methylbenzoquinone |
| 08/22/1990 | EP0383372A1 Cyclic triketone compounds and trimethylsilyloxy butadiene compounds and their use in the preparation of daunomycinone derivatives |
| 08/22/1990 | CN1044808A Method for bromination of aromatic and heterocyclic compounds containing acceptor groups |
| 08/22/1990 | CN1044807A Composition for denatured denaturation or protection agent for nerve cell and process for preparing benzene derivatives used for composition |
| 08/16/1990 | EP0382213A2 Biphenyl derivative, nerve cell degeneration repairing or protecting agent and process for preparing a phenyl derivative contained in the agent |
| 08/10/1990 | CA2009096A1 Cyclic triketone compounds and trimethylsilyloxy butadiene ckompounds and their use in the preparation of daunomycinone derivatives |
| 08/09/1990 | WO1990008759A1 Derivatives of chrysophanol |
| 08/07/1990 | US4946845 Naphthalene anti-psoriatic agents |
| 08/01/1990 | EP0380373A1 Polycyclic compounds and their production |
| 07/24/1990 | US4943645 Benzoquinone derivatives and production thereof |
| 07/17/1990 | CA1271772A1 Oxidation of organic compounds using ceric ions in aqueous methanesulfonic acid |
| 07/12/1990 | WO1990007479A1 Method of obtaining bromated aromatic and heterocyclic combinations containing acceptor groups |
| 07/10/1990 | CA1271485A1 Oxidation of organic compounds using a catalyzed cerium(iv) composition |
| 07/10/1990 | CA1271484A1 Oxidation of organic compounds using ceric methanesulfonate in an aqueous organic solution |
| 07/03/1990 | US4939282 The process for preparing 6-deoxynthracyclines |
| 07/03/1990 | US4939178 Use of avarol for the control of adult T-cell leukemia/lymphoma |
| 07/03/1990 | US4939177 Use of avarol for the control of AIDS and ARC |
| 07/03/1990 | US4939169 1,4-naphthalenediol and 1,4-hydroquinone derivatives |
| 06/27/1990 | EP0374890A1 Process for the production of anthraquinone derivatives |
| 06/26/1990 | CA1270844A1 Quinone derivative and pharmaceutical composition containing the same |
| 06/12/1990 | US4933489 Process for the manufacture of 6-chloro-1,4-diacetoxy-2,3-dimethoxynaphthalene |
| 05/30/1990 | CN1008185B Synthesis of tera-oxy-dihydro-anthraquinone |
| 05/29/1990 | US4929642 Pest-combating agents based on substituted 1,4-naphthoquinones and new substituted 1,4-naphthoquinones |
| 05/22/1990 | US4927865 Anthraquinoylcarboxylic acid hydrazides, curable compositions and use thereof |
| 05/22/1990 | CA1269394A1 Ceric oxidant |
| 05/22/1990 | CA1269372A1 Process for preparing anthraquinones |
| 05/09/1990 | EP0366973A1 New 4-substituted anthracyclinones and anthracycline glycosides and the process for preparing them |
| 05/08/1990 | US4924015 Preparing metallic coatings and images |
| 05/08/1990 | US4923881 Quinolyl methoxy compounds, processes for preparation thereof and pharmaceutical composition comprising the same |
| 05/03/1990 | WO1990004601A1 New 4-substituted anthracyclinones and anthracycline glycosides and the process for preparing them |
| 05/02/1990 | EP0365973A1 Process for preparing 4-0-alkyl-rhodomycins |
| 05/02/1990 | CN1041753A New benzoquinone compound, preparation thereof and radioactive sensitizer containing it |
| 04/25/1990 | CA1268188C Intermediate for the synthesis of optically active d- o tocopherol |
| 04/22/1990 | CA2001087A1 Process for the preparation of 4-o-alkylrhodomycins |
| 04/11/1990 | EP0362996A2 Naphthoquinones for the treatment and prophylaxis of pneumocystis carinii infections |
| 04/03/1990 | US4914217 Asymmetric synthesis of natural vitamin E |