| Patents for C07C 50 - Quinones (2,441) |
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| 08/11/1981 | US4283345 Thermal pretreatment in the presence of a hydrogenation catalyst followed by nitrogenation |
| 08/04/1981 | US4282250 Remedy for skin injuries and diseases |
| 07/28/1981 | CA1105927A1 Triple ions of 1,2-and 1,4-dicarbonyl compounds and analogs thereof containing nitrogen and containing two strategic oxygen or nitrogen groups and process for producing same |
| 07/14/1981 | US4278607 Etherification, denitration, amidosulfonic acid catalysts |
| 07/08/1981 | EP0031727A2 Medicinal compositions comprising as an active ingredient substituted 1,4-benzoquinones |
| 07/07/1981 | US4277257 Process for preventing scale deposition |
| 06/09/1981 | CA1102792A1 Process for the preparation of novel daunomycin derivatives and their aglycones |
| 06/02/1981 | US4271083 6-Hydroxy-1,4-benzoquinone compounds |
| 05/19/1981 | US4268451 Daunomycin derivatives, their aglycones and the use thereof |
| 05/12/1981 | US4267116 Novel daunomycin derivatives, their aglycones and the use thereof |
| 04/22/1981 | EP0027400A1 Preparation of naphthoquinone-1,4 |
| 04/21/1981 | CA1099707A1 Aglycones and processes for their preparation |
| 04/21/1981 | CA1099705A1 Process for the preparation of new daunomycin derivatives and their aglycones |
| 04/14/1981 | US4261909 Process for the reductive removal of halogen atoms from anthraquinones |
| 03/31/1981 | CA1098532A1 No translation available |
| 03/25/1981 | EP0025620A1 Process for the preparation of substituted anthraquinones |
| 03/24/1981 | CA1098127A1 2,6-anthraquinonylene amidines as anti-amebic agents |
| 03/10/1981 | US4255405 Naphthoquinone anti-psoriatic agents |
| 03/10/1981 | US4255285 For the catalytic oxidation of a 1-phenylindan to an anthraquinone; atomizing an aqueous vanadium compound to coat and roast moving carrier particles |
| 03/10/1981 | CA1097343A1 Intermediates for polycyclic quinonoid antibiotics |
| 03/10/1981 | CA1097342A1 Intermediates for polycyclic quinonoid antibiotics |
| 02/10/1981 | US4250335 Using dibutyl ether and water to separate the 2,3,5-p-quinone intermediate, the cobalt complex catalyst, and the dimethylformamide solvent; liquid phase hydrogenation |
| 01/13/1981 | US4244968 Hydroxy- and amino-anthraquinones |
| 01/13/1981 | US4244880 Anthracycline synthesis |
| 01/07/1981 | EP0021841A2 2,3-Dialkoxy-1,4-quinone derivatives; method of producing 1,4-quinone derivatives |
| 01/06/1981 | US4243598 1,2-epoxy-2,6,10,14-tetramethylpentadecane as a chemical intermediate |
| 12/23/1980 | US4240974 Fire retardant sulfonate compound |
| 12/16/1980 | CA1091680A1 Method for production of quinones |
| 11/25/1980 | US4235790 Process for separating p-benzoquinone from the reaction products of phenol oxidation as quinhydrone |
| 11/18/1980 | US4234749 Production of benzene |
| 11/04/1980 | US4232107 Photographic material suited for use in diffusion transfer photography and method of diffusion transfer photography using such material |
| 10/28/1980 | CA1088556A1 Continuous oxidation of tetrachlorocatechol to o- chloranil |
| 10/21/1980 | US4229478 Naphthaquinone anti-psoriatic agents |
| 09/03/1980 | EP0015221A1 Process for the preparation of para-benzoquinones |
| 09/02/1980 | US4220597 Process for the preparation of anthraquinone |
| 08/20/1980 | EP0014602A1 Process for preparing mononitro-1,2,3,4-tetrahydro anthraquinones |
| 08/20/1980 | EP0014367A1 Process for the preparation of dimethoxyanthraquinones |
| 07/29/1980 | US4215063 Vanadium oxide and metal selected from ruthenium, rhenium, cerium, niobium, rhodium |
| 07/23/1980 | EP0013577A2 Process for the preparation of hexahydronaphthacene derivatives |
| 07/22/1980 | CA1082205A1 Miticidal and aphicidal 2-higher alkyl-3-hydroxy-1,4- naphthaquinone carboxylic acid esters |
| 07/09/1980 | EP0012933A2 Photographic recording material |
| 06/17/1980 | US4208340 Uv absorbers, insecticides and antioxidant intermediates |
| 06/17/1980 | US4208339 Process for the preparation of para-benzoquinone |
| 06/10/1980 | CA1079297A1 Continuous process for producing therephthalic acid |
| 06/03/1980 | US4206130 Fron 1,5-dinitroanthraquinone, phthalic anhydride catalyst |
| 05/13/1980 | US4202788 Stabilization of aqueous p-benzoquinones |
| 05/06/1980 | US4201726 Intermediates formed from pentadiene and epoxytetramethylpentadecane |
| 05/06/1980 | US4201638 Triple ions of 1,2- and 1,4-dicarbonyl compounds and analogs thereof containing nitrogen and containing two strategic oxygen or nitrogen groups and process for producing same |
| 04/30/1980 | EP0010470A1 Process for preparing 5- and 6-nitro-1,2,3,4-tetrahydro-anthraquinone derivatives from 1,2,3,4,4a,9a-hexahydro-anthracene-9,10-dione |
| 04/29/1980 | CA1076561A1 Process for the preparation of optically active anthracyclinones |
| 04/22/1980 | US4199531 Intermediates for the production of quinones |
| 04/16/1980 | EP0010032A1 Improved process for preparing anthraquinone in an aqueous medium |
| 04/15/1980 | US4198529 Etherification with dialkyl alkanephosphonate |
| 04/15/1980 | CA1075706A1 Oxidative coupling alkylphenols catalyzed by metal complexes of polyimino acid |
| 04/01/1980 | US4196132 Continuous flow process for the preparation of o-chloranil from tetrachlorocatechol |
| 03/06/1980 | WO1980000340A1 Process for purifying naphthoquinone |
| 03/05/1980 | EP0008510A1 Preparing o-chloranil by oxidising tetrachlorocatechol |
| 03/04/1980 | US4191756 Daunomycin derivatives, their aglycones and the use thereof |
| 03/04/1980 | US4191755 Novel daunomycin derivatives, their aglycones and the use thereof |
| 02/20/1980 | EP0007985A1 6-Chloro-2,3-dihydroxy-1,4-naphthoquinone and its 2,3-diesters, and their preparation |
| 02/19/1980 | US4189575 Fungicides, bactericides |
| 02/06/1980 | EP0007403A1 5,12-dihydroxy-1,2,3,4,6,11-hexahydro-2,6,11-trioxonaphthacenes and their synthesis |
| 02/05/1980 | CA1071179A1 Oxidative coupling of alkylphenols, alkoxyphenols, and naphthols, catalyzed by metal complexes of amino carboxylic and amino sulfonic acids |
| 01/23/1980 | EP0007051A1 Process for the preparation of quinizarine |
| 01/22/1980 | US4185154 Synthesis of vitamin E |
| 01/22/1980 | US4185024 Oxidation to o-benzoylbenzoic acid, esterification cyclization with sulfuric acid |
| 01/22/1980 | US4185023 Catalytic oxidative process for the manufacture of anthraquinone from o-benzyl toluene |
| 12/18/1979 | CA1068234A1 Process for concentrating halogenoanthraquinones |
| 11/13/1979 | US4174457 Carbamate |
| 10/30/1979 | CA1065296A1 Oxidative coupling of phenols and naphthols |
| 10/23/1979 | CA1064920A1 Process for the preparation of optically active anthracyclinones |
| 10/17/1979 | EP0004591A1 Shell catalyst, process for its preparation and its use for the preparation of anthraquinones |
| 10/03/1979 | EP0004399A2 Photographic material suited for use in diffusion transfer photography and method of diffusion transfer photography using such material |
| 08/14/1979 | US4164503 Antitumor agents |
| 08/07/1979 | US4163864 Process for preparing 2-methyl-3-prenyl-4,5,6-trimethoxyphenol |
| 08/07/1979 | CA1060008A1 Process for the preparation of halogenoanthraquinones |
| 07/24/1979 | CA1059138A1 5,6,11,12-tetraselenotetracene-o-chloroanil complexes |
| 07/17/1979 | US4161481 Heat treatment with group 1 or 2 oxygen compounds |
| 06/19/1979 | CA1056843A1 Oxidation of monohydroxyaryl compounds to 1,4-quinones |
| 06/13/1979 | EP0002228A2 Hydroxy naphthoquinone derivatives, their preparations for treating and preventing theileriosis in cattle and sheep, processes for their synthesis; naphthoquinone derivatives |
| 06/12/1979 | CA1056390A1 Oxidative coupling of alkylphenols catalyzed by metal complexes of amino compounds |
| 05/22/1979 | US4155922 Process for the purification of crude anthraquinone |
| 05/16/1979 | EP0001873A1 Method of producing polyisoprenoid compounds by carbon-carbon bond formation |
| 05/01/1979 | US4152340 Process for the preparation of anthraquinone |
| 04/24/1979 | US4151177 Synthesis of optically active vitamin E |
| 04/10/1979 | US4148918 Aphicides |
| 04/03/1979 | US4147706 Intermediates for polycyclic quinonoid antibiotics |
| 04/03/1979 | US4147663 Oxidative coupling of alkylphenols, alkoxyphenols and naphthols catalyzed by metal complexes of amino carboxylic and amino sulfonic acids |
| 03/21/1979 | EP0001199A1 Process for preparing para-benzoquinone |
| 03/06/1979 | US4143157 Miticidal and aphicidal method utilizing 2-higher alkyl-3-hydroxy-1'4-naphthoquinone carboxylic acid esters |
| 02/27/1979 | US4141799 Process for the purification of high-melting organic products |
| 02/13/1979 | US4139545 Immuno-potentiators |
| 02/13/1979 | US4139544 Oxidative coupling of alkylphenols catalyzed by metal complexes of polyimino acids |
| 01/09/1979 | US4133821 Alkylidenediquinocyclopropanes and Diarylcyclopropenes and method for preparation |
| 01/09/1979 | US4133198 Apparatus for bending large area construction units |
| 01/09/1979 | CA1046045A1 Activation of copper salt phenol oxidation catalysts |
| 01/02/1979 | US4132721 Optically active anthracyclinones and process therefor |
| 11/28/1978 | US4127608 Bis(tri(decyl or octyl)methylammonium) nitrosodisulfonate |
| 10/17/1978 | US4120897 2-Alkyl-1-naphthol-4-sulfonic acids |
| 09/12/1978 | US4113740 Synthesis of optically active vitamin E |