| Patents for C07C 46 - Preparation of quinones (1,836) |
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| 08/28/1990 | US4952712 Process for the preparation of 2,3-dimethoxy-5-methylbenzoquinone |
| 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 |
| 07/17/1990 | CA1271772A1 Oxidation of organic compounds using ceric ions in aqueous methanesulfonic acid |
| 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 | US4939169 1,4-naphthalenediol and 1,4-hydroquinone derivatives |
| 07/03/1990 | US4939145 Phenothiazone derivatives and analogs |
| 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 |
| 05/29/1990 | US4929642 Pest-combating agents based on substituted 1,4-naphthoquinones and new substituted 1,4-naphthoquinones |
| 05/23/1990 | EP0369823A1 Method for the preparation of 2,3,5-trimethylbenzoquinone |
| 05/22/1990 | US4927865 Anthraquinoylcarboxylic acid hydrazides, curable compositions and use thereof |
| 05/22/1990 | CA1269394A1 Ceric oxidant |
| 05/22/1990 | CA1269393A1 Oxidation of organic compounds using ceric ions in aqueous trifluoromethanesulfonic acid |
| 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 | 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 |
| 04/10/1990 | US4915875 Nucleophilic substitution |
| 04/03/1990 | US4914217 Asymmetric synthesis of natural vitamin E |
| 04/03/1990 | US4913851 Using easily resolvable intermediates to improve yield |
| 03/20/1990 | US4909965 Producing quinone and water |
| 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 |
| 01/30/1990 | US4897420 Ischemic diseases; antiallergens |
| 01/17/1990 | EP0350864A1 Aqueous solution containing fat-soluble vitamin K |
| 01/10/1990 | EP0350395A1 Process for the oxidation of benzylalcohols and parent compounds by biomimetic catalysis |
| 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 |
| 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 |
| 10/31/1989 | US4877870 Process for producing 10-hydroxyanthracyclines |
| 10/31/1989 | CA1262544A1 Phenothiazone derivatives and analogs |
| 10/25/1989 | EP0338666A1 Method for the preparation of 2,3,5-trimethylbenzoquinone |
| 10/18/1989 | EP0337665A2 Process for preparing 4-demethoxydaunomycinone |
| 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 |
| 08/22/1989 | US4859667 Pharmaceutical compositions of phenothiazone derivatives and analogs |
| 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 |
| 07/26/1989 | EP0325135A1 Process for purifying a working compound for hydrogen peroxide production |
| 07/25/1989 | US4851589 Oxidative coupling of alkylphenols by copper catalysts |
| 07/25/1989 | US4851586 Lipoxygenase and leukotriene inhibitors, antiinflammatory, antisecretory |
| 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 |
| 05/30/1989 | CA1254890A1 Process for preparing 2-amylanthraquinone from amylbenzene and phthalic anhydride |
| 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 | US4828762 2,3,6-trimethylphenol, oxygen, alkali metal or ammonium copper halide complex catalyst |
| 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 |
| 04/25/1989 | US4824609 Alkated anthraquinone, carbon dioxide |
| 04/06/1989 | WO1989002886A2 2-neopentylanthraquinone |
| 04/04/1989 | US4818441 Membrane stabilizers |
| 03/15/1989 | EP0306940A1 Catalytical condensation process for organic carboxylic anhydrides |
| 02/21/1989 | CA1250307A1 Process for the preparation of salcomine as well as the preparation of trimethyl-p-benzoquinone from trimethylphenol using the resultant salcomine |
| 01/25/1989 | EP0300218A1 Use of substituted 1,4-naphthoquinones against nites and fungi |
| 01/04/1989 | EP0298032A2 Anthrachinoylcarboxylic acid hydrazide, curable compositions and their use |
| 01/04/1989 | EP0298031A1 Substituted anthraquinones and curable compositions |
| 12/27/1988 | US4794172 Ceric oxidant |
| 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 |
| 11/03/1988 | 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 |
| 11/01/1988 | US4781862 Process for the preparation of anthraquinone |
| 10/18/1988 | CA1243189A1 Conversion of hydrogen sulfide to sulfur and hydrogen |
| 09/14/1988 | EP0282056A2 Naphthalene anti-psoriatic agents |
| 09/14/1988 | EP0282006A1 Naphtalene anti-psoriatic agents |
| 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 | US4764498 Silica-containing shaped articles and a process for their preparation |
| 08/16/1988 | CA1240674A1 Purification of alkylated anthraquinones |
| 07/19/1988 | US4758587 Naphthalene anti-psoriatic agents |
| 06/29/1988 | CN86108444A Synthesis of phenanthrene quinone |
| 04/20/1988 | EP0264113A1 Pervaporation of phenols |
| 04/19/1988 | US4739062 Method of producing paraquinones |
| 04/12/1988 | CA1235135A1 Polymerization inhibitors |
| 04/12/1988 | CA1235134A1 Benzo-1,4-quinones |
| 04/05/1988 | CA1234796A1 Method for the preparation of naphthoquinone |