Patents for C07C 50 - Quinones (2,441)
03/1986
03/26/1986EP0175574A1 Process for the preparation of quinones
03/18/1986US4577019 Stabilized adducts of menadione bisulfite with p-aminobenzoic acid or adenine
02/1986
02/13/1986WO1986000887A1 Quinone derivatives, process for their preparation, and medicinal composition containing the same
02/12/1986EP0171251A2 Quinone derivatives, their production and use
02/11/1986US4569943 Physiologically active substance P-23924, its production and use
02/05/1986EP0170190A2 Method for production of fluorinated quinones
01/1986
01/29/1986EP0169571A1 Phenylnonatetraenic-acid derivatives, their preparation and pharmaceutical compositions containing them
01/15/1986EP0167954A2 1-Hydroxy-cytorhodines, a microbiological method for their preparation and their use as cytostatic agents
01/08/1986EP0167153A1 Process for the preparation of 2,3,5-trimethylbenzoquinone
01/02/1986EP0166684A1 Process for the preparation of hydroxy aromates
12/1985
12/31/1985US4562004 2,3,5,6-Tetrasubstituted p-benzoquinones and their preparation
12/24/1985US4560511 Dehydration, 2-/1'-acetoxy-4'-hydroxy-4'-methylpentyl)-5,8-diacetoxy-1,4-naphthoquinone, alkali hydroxide, acidification
12/24/1985CA1198439A1 Adducts of k vitaminic compounds and stabilizing vitaminis preparation thereof and stabilized adducts thus provided
12/17/1985US4559407 Intermediate in the production of vitamin E
12/17/1985US4559177 Quinone derivatives
12/11/1985EP0164260A1 Novel benzoquinone derivatives and their use as color-developers in recording material, process for their production and the production of corresponding hydroquinones
12/04/1985EP0163317A1 Quinone derivatives, method and use of preparing same, and pharmaceutical composition
11/1985
11/19/1985CA1196914A2 Anthracycline derivatives and aglycone intermediates thereof
10/1985
10/29/1985CA1196003A1 Quinone compounds, their production and use
10/23/1985EP0158865A2 Pregeneration of tetrahydroanthraquinone in a make-up solution to be added to a hydrogen peroxide working solution
10/23/1985EP0158864A2 Process for hydrogenating an alkylated anthraquinone
10/02/1985EP0156172A2 Method for the preparation of anthracyclinones
10/01/1985US4544543 Purification of alkylated anthraquinones
09/1985
09/24/1985US4543214 Denitrobromination
09/11/1985EP0154117A1 Use of 1,4 bis(substituted) anthrachinones for the manufacture of immunosuppresiva
09/03/1985US4539196 Process for hydrogenating an alkylated anthraquinone
08/1985
08/21/1985EP0151995A2 Novel 1,4-benzoquinone derivatives and benzene derivatives, and process for preparing the same
08/20/1985US4536336 New anthracyclinones and their production
08/20/1985CA1192216A1 Process for oxidizing a phenol to a p-benzoquinone
08/20/1985CA1192215A1 Process for oxidizing a phenol to a p-benzoquinone
08/20/1985CA1192214A1 Process for oxidizing phenol to p-benzoquinone
08/20/1985CA1192213A1 Process for oxidizing phenol to p-benzoquinone
08/20/1985CA1192212A1 Process for oxidizing phenol to p-benzoquinone
08/07/1985EP0150831A2 Naphthalene anti-psoriatic agents
07/1985
07/24/1985EP0149297A1 Process for preparing 3H-Phenothlazin-3-ones
07/23/1985US4530845 1,4-Napthoquinone derivatives and use thereof
07/16/1985US4529490 Deep section photopolymerization
07/10/1985EP0147778A2 Anti-inflammatory derivatives of 1,4-naphthoquinone
07/02/1985US4526719 Benzoquinone derivatives and production thereof
06/1985
06/26/1985EP0146338A2 A blood accelerator 2, 3-diphosphoglyceric acid
06/26/1985EP0146145A2 Naphthalene anti-psoriatic agents
06/25/1985US4525361 Aralkyl carboxylic acid compounds in compositions for potentiating immuno activity
06/25/1985CA1189522A1 SYNTHESIS OF OPTICALLY ACTIVE D-.alpha. TOCOPHEROL
06/11/1985US4522757 Process for oxidizing a phenol to a p-benzoquinone
06/11/1985US4522754 Metallically conducting (2-fluoro-5,6,11,12-tetraselenotetracene)2 -bromide
05/1985
05/28/1985US4519948 Process for oxidizing a phenol to a p-benzoquinone
05/21/1985US4518784 Cyclic compounds
05/07/1985US4515969 Cyclic compounds
04/1985
04/30/1985US4514420 Antifibrotic agent
04/30/1985US4514376 Pregeneration of tetrahydroanthraquinones in a make-up solution to be added to a hydrogen peroxide working solution
04/30/1985CA1186231A1 Hydroxynaphtoquinones for dyeing human keratinic fibres, process for dyeing and tinctorial composition so applied
04/25/1985WO1985001726A1 Carminomycinone precursors and analogues and derivatives thereof
04/09/1985US4510090 Chromic acid oxidation of phenanthrene by controlled addition of sulfuric acid
04/03/1985EP0135806A2 Aglycones useful in the preparation of antibiotics and antitumoral agents of the anthracyclin group, and process for the preparation thereof
03/1985
03/26/1985US4507241 Method for the hydrocarbylation of naphthoquinone derivatives
03/26/1985US4507240 Process for purifying crude monochloro- and monobromoanthraquinone
03/13/1985EP0134016A2 Process for the preparation of anthracyclinones
02/1985
02/26/1985US4501700 Methylation an hydroxyketone
02/13/1985EP0132741A1 Process for the production of compounds of the vitamin K series and of ubichinones, and intermediate compounds
01/1985
01/29/1985US4496447 Aromatic-aliphatic ketones useful as photoinitiators
01/22/1985US4495104 Quinone carboxylic acids and ester derivatives
01/16/1985EP0131181A2 Anthracyclin derivatives, microbiological method for their preparation and their use as cytostatic agents
01/02/1985EP0129615A1 Process for the preparation of bromoanthraquinones
01/02/1985EP0047781B1 Dye-forming developers
01/02/1985CA1180283A Benzoquinones used for the direct dyeing of keratinic fibers
01/02/1985CA1180281A Hydroxyanthraquinones used for dyeing human keratinic fibers, process and composition utilizing the same
01/01/1985US4491594 Coenzyme q10
01/01/1985US4491545 Dehydrobenation, oxidation, copper catalyst
12/1984
12/27/1984EP0129044A1 Synthesis of (+)-4-demethoxydaunomycinone
12/18/1984US4489206 Synthesis of (+)-4-demethoxydaunomycinone
12/18/1984US4489096 Antiasthma, antiallergen
12/12/1984EP0127888A1 Process for the production of 2,3,5-trimethylbenzoquinone
12/05/1984EP0127551A2 Process for the cyclization of orthobenzoylbenzoic acid
12/04/1984US4486349 Process for preparing para-quinone or ortho-quinone derivatives, possibly alkoxylated or aryloxylated, respectively from the corresonding hydroquinone or pyrocatechic derivatives
11/1984
11/28/1984EP0126319A2 Purification of alkylated anthraquinones
11/28/1984EP0077334B1 Method for the oxidation of reactive aromatics
11/27/1984US4485117 Antiprotozoal compounds
11/27/1984US4485116 Naphthoquinone compounds
11/13/1984US4482493 Reacting phenol with hydrogen peroxide in the presence of a ruthenium catalyst
11/13/1984US4482492 Preparation of vitamins K3 and K4 and derivatives
11/08/1984WO1984004300A1 Purification of alkylated anthraquinones
10/1984
10/31/1984EP0123238A2 Naphthoquinone derivatives
10/30/1984CA1177070A1 Anthracycline derivatives
10/24/1984EP0122448A1 Tetra-substituted P-benzoquinones, their preparation and use
10/23/1984US4478752 Process for oxidizing phenol to p-benzoquinone
10/16/1984US4477380 Oxidation process of reactive aromatics with reactivation of the catalyst using potassium permanganate
10/10/1984EP0121466A1 Process for the decomposition of a complex of orthobenzoyl benzoic acid, hydrogen fluoride and boron trifluoride
10/10/1984EP0047323B1 1,4-naphthoquinone derivatives and use thereof
09/1984
09/12/1984EP0118132A2 A remedial or prophylactic agent for the treatment of seizures
08/1984
08/29/1984EP0116725A2 Process for the preparation of phenanthrene quinone
08/21/1984US4466981 Naphthalene anti-psoriatic agents
08/14/1984US4465671 Anti-leukemia agents
07/1984
07/25/1984EP0114001A1 New anthracyclinones and their production
07/17/1984US4460678 Tellurium imaging composition including improved reductant precursor and method
07/10/1984US4459351 Photographic element and process employed combination of surface and internal latent image silver halide
07/03/1984CA1170257A1 Process for the purification of anthraquinone
06/1984
06/20/1984EP0111120A2 Process for the preparation of anthraquinones
06/13/1984EP0110369A1 Process for the purification of raw monochloro and monobromo anthraquinone
06/12/1984CA1169056A1 Process for oxidizing aromatic substances
05/1984
05/29/1984CA1168242A1 Quinone compounds, their production and use
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