Patents
Patents for C07C 46 - Preparation of quinones (1,836)
03/1988
03/15/1988CA1234132A1 Preparation of 2,3,5-trimethyl-p-benzoquinone
03/15/1988CA1234104A1 6-deoxyanthracyclines
03/09/1988CN85100335B Method to manufacture 1, 4-naphthoquinone by liquid phase oxidation of naphthaline
03/02/1988EP0258190A2 Process for preparing aromatic ethers and thioethers
01/1988
01/28/1988DE3621032A1 Process for the preparation of avarone and avarol
01/05/1988US4717451 Process for the preparation of anthraquinone dispersions and their use in alkaline wood digestion processes
01/05/1988CA1231096A1 Photopolymerizable organic compositions and diaryliodonium salts used therein
12/1987
12/30/1987WO1987001698A3 1,4-naphthalenediol and 1,4-hydroquinone derivatives
12/16/1987EP0249289A2 Process for the preparation of quinones
12/02/1987EP0247513A1 Process for producing 2-methyl-1,4-naphthoquinone
12/01/1987US4710320 Method for producing 1-amino-2-phenoxy-4-hydroxyanthraquinones
11/1987
11/25/1987EP0246245A1 1,4-naphthalenediol and 1,4-hydroquinone derivatives
11/11/1987EP0244812A1 Oxidation of organic compounds
11/04/1987EP0243849A2 Process for the production of polyprenoid type compounds
11/03/1987CA1228861A1 Synthesis method for reductant precursor
10/1987
10/20/1987US4701245 Quinones from aromatic substrates using a chromium salt catalyst; regeneration and reuse of ceric oxidizer
10/06/1987US4698184 Tellurium imaging composition including improved reductant precursor and method
08/1987
08/25/1987US4689179 Fluorination of chlorinated anhydrides or quinones; crown ether catalyst, phase transfer
08/04/1987CA1225095A1 Process for oxidizing an organic compound
07/1987
07/28/1987US4683087 Anti-cancer agents and processes for their preparation
06/1987
06/23/1987CA1223256A1 Process for cyclizing orthobenzoylbenzoic acid
06/02/1987US4670108 Oxidation of organic compounds using ceric methanesulfonate in an aqueous organic solution
05/1987
05/19/1987US4667032 Leukotriene biosynthesis inhibitors, antiallergens, antiinflammatory agents
05/13/1987EP0221474A1 Process for the manufacture of 6-chloro-1,4-diacetoxy-2,3-dimethoxynaphthalene
05/06/1987EP0220948A1 Process for the preparation of quinones
05/05/1987US4663470 Alpha-tocopherol intermediates
04/1987
04/29/1987EP0220135A2 Process for the preparation of chloranile
04/28/1987CA1221103A1 2,3,5,6-tetrasubstituted p-benzoquinones and their preparation
04/14/1987US4657707 Process for the preparation of aromatic hydroxy compounds
04/08/1987EP0127551B1 Process for the cyclization of orthobenzoylbenzoic acid
04/01/1987EP0216351A2 Process for purification of oxidation reaction mixture
03/1987
03/26/1987WO1987001698A2 1,4-naphthalenediol and 1,4-hydroquinone derivatives
03/03/1987US4647349 Oxidation of organic compounds using ceric ions in aqueous trifluoromethanesulfonic acid
02/1987
02/24/1987US4645626 Process for the production of quinizarine derivatives which are disubstituted in the 5- and 8-positions by hydroxyl or chlorine
02/10/1987US4642361 Alpha-tocopherol intermediates
01/1987
01/27/1987US4639298 By-product inhibition
12/1986
12/30/1986US4632782 Oxidizing an organic compound
12/30/1986CA1216002A1 Process for producing carbonyl compound
11/1986
11/12/1986EP0201196A2 Benzoquinone derivatives, their production and use
11/12/1986EP0200794A1 Derivatives of ubiquinone, process for their preparation and pharmaceutical compositions containing them
11/12/1986CA1213888A L-arginine isoxicamate
10/1986
10/22/1986CN85105976A Quinone derivatives, their production and use
09/1986
09/23/1986US4613464 Process for the preparation of anthracyclinones
09/16/1986CA1211455A1 Method of producing quinone derivatives
08/1986
08/26/1986US4608435 Benzo-1,4-quinones
08/13/1986CN85100335A Method to manufacture 1.4-naphthoquinone by liquid phase oxidation of naphthaline
07/1986
07/30/1986EP0188979A1 Process for the preparation of anthraquinone
07/29/1986US4603223 Process for the manufacture of quinone derivatives
07/17/1986WO1986004058A1 Quinone derivatives, process for their preparation, and medicinal composition containing same
07/09/1986CN85107304A Process for the manufacture of optically active compounds
06/1986
06/18/1986EP0071281B1 Hydroformylation process
06/17/1986CA1206111A1 Physiologically active substance p-23924, its production and use
06/11/1986EP0183927A1 Process for the production of optically active quinone derivatives
06/04/1986EP0183628A1 Process for the preparation of 2-amylanthraquinone from amylbenzene and phthalic anhydride
06/03/1986US4593120 Naphthalene-1,4-dicarboxylic acid group
06/03/1986US4592905 Conversion of hydrogen sulfide to sulfur and hydrogen
06/03/1986US4592867 Synthesis method for reductant precursor
05/1986
05/27/1986US4591460 Process for the decomposition of a complex of orthobenzoyl-benzoic acid, hydrogen fluoride and boron trifluoride
05/27/1986CA1205083A1 Anti-protozoal compounds
05/20/1986US4590301 Using phenol or diketone cyclohexyl compounds
05/10/1986CN85108493A Oxidation reaction process
05/06/1986CA1204110A1 Process for decomposing an orthobenzoyl-benzoic acid, hydrogen fluoride and boron trifluoride complex
04/1986
04/30/1986EP0179476A1 Polymerization inhibitors and polymerization-inhibited solutions of monomers
04/23/1986EP0178904A2 Quinone synthesis
03/1986
03/26/1986EP0175574A1 Process for the preparation of quinones
03/25/1986CA1202315A1 Process for the preparation of quinones
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
01/08/1986EP0167153A1 Process for the preparation of 2,3,5-trimethylbenzoquinone
01/02/1986EP0166684A1 Process for the preparation of hydroxy aromates
12/1985
12/31/1985US4562277 Process for the preparation of a bis-salicylidene-alkylene-diaminocobaltous ion complex
12/24/1985US4560511 Dehydration, 2-/1'-acetoxy-4'-hydroxy-4'-methylpentyl)-5,8-diacetoxy-1,4-naphthoquinone, alkali hydroxide, acidification
12/17/1985US4559407 Intermediate in the production of vitamin E
12/17/1985US4559177 Quinone derivatives
12/04/1985EP0163317A1 Quinone derivatives, method and use of preparing same, and pharmaceutical composition
11/1985
11/10/1985CN85102019A Process for preparation of compounds of quinone by oxidation of arylamine
11/05/1985US4551556 Dehydrogenation of alcohols, ruthenium catalyst
11/05/1985CA1196322A1 Silica-containing shaped articles, a process for their preparation, and their use
10/1985
10/30/1985EP0159460A1 A hydroformylation catalyst and process
10/29/1985CA1196003A1 Quinone compounds, their production and use
10/08/1985US4545937 Binucleating ligand-metal complexes as oxidation catalysts
10/01/1985US4544543 Purification of alkylated anthraquinones
09/1985
09/25/1985EP0155623A2 Use of lipoxygenase inhibitors for the preparations of cytoprotective pharmaceutical compostions and process for the preparation of a cytoprotective pharmaceutical composition
09/24/1985US4543214 Denitrobromination
09/03/1985CA1192915A1 Production of hydroquinone
08/1985
08/21/1985EP0151995A2 Novel 1,4-benzoquinone derivatives and benzene derivatives, and process for preparing the same
08/20/1985US4536337 Reacting a polynuclear aromatic hydrocarbon and ceric salt in acid solution
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
08/14/1985EP0023923B1 Compounds and catalysts containing phosphorus, arsenic or nitrogen and their use in hydrocarbon conversion processes
08/07/1985EP0150831A2 Naphthalene anti-psoriatic agents
08/06/1985US4533653 Using naphthalene and or anthracene to make an oxidation catalyst of oxides of vanadium, tin and potassium
07/1985
07/30/1985US4532078 Reductant precursor for tellurium imaging compositions
07/23/1985US4530745 Method for electrolyzing cerous sulfate
07/16/1985US4529490 Deep section photopolymerization
1 ... 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19