Patents for C07C 50 - Quinones (2,441)
08/1995
08/02/1995EP0665209A1 Process for the catalytic oxidation of aromatic compounds
08/02/1995CN1105976A Preparation of tetrachlor-1,4-benzochinon
07/1995
07/25/1995US5435991 Use of persistent heterocyclic free-radicals in magnetic resonance imaging
07/12/1995EP0662073A1 Process for preparing 5,8-dihydronaphthoquinone derivatives, novel 5,8-dihydronaphthoquinone derivatives and their use as anticancer agent
07/12/1995EP0662004A1 Use of persistent free-radicals in magnetic resonance imaging
07/11/1995US5432034 Photoconductor for electrophotography including an undercoating layer
07/05/1995CN1029227C Composition for denatured denaturation or protection agent for nerve cell and process for preparing benzene derivatives used for composition
06/1995
06/28/1995EP0659727A1 Process for the preparation of benzoquinones by oxidation of phenoles
06/20/1995US5426164 Photodefinable polymers containing perfluorocyclobutane groups
06/14/1995EP0657412A1 Saintopin derivative
06/07/1995CN1103290A Pharmaceutical preparation
06/06/1995US5422374 Oral administration of ubidecarenone
05/1995
05/24/1995DE4339646A1 New di:acetylene cpds. with extended pi-electron systems
05/24/1995CN1028518C Process for preparing anthracyclinones
05/17/1995EP0653441A1 Polymer scale preventive agent
05/02/1995US5412124 Preparation process of naphthoquinone derivative and intermediate for the preparation thereof
04/1995
04/26/1995EP0649830A1 Process for the preparation of tetrachloro-1,4-Benzoquinone
04/20/1995WO1995010266A1 Nitrogen monoxide synthesis inhibitor
04/18/1995US5407885 Photochromic naphthacenequinones, process for their preparation and the use thereof
03/1995
03/29/1995EP0644869A1 Ion pairs of hypericin compounds having antiviral activity
03/22/1995EP0643775A1 Therapeutic compositions
03/09/1995DE4405929C1 Process for the preparation of tetrachloro-1,4-benzoquinone
03/09/1995DE4336323C1 Process for the preparation of tetrachloro-1,4-benzoquinone
02/1995
02/23/1995WO1995005164A1 Particles with modified physicochemical properties, their preparation and uses
02/21/1995US5391749 Photoinitiators or photosensitizers
02/21/1995US5391536 Oxalylamino substituted indoaniline dyes for use in thermal sublimation transfer printing
02/01/1995EP0636598A1 Preparation process of naphthoquinone derivatives and intermediates for the preparation thereof
01/1995
01/31/1995US5385942 Quinone derivatives and pharmacological use
01/27/1995CA2117412A1 Preparation process of naphthoquinone derivative and intermediate for the preparation thereof
01/26/1995WO1995002572A1 Process for preparing 5,8-dihydronaphthoquinone derivatives, novel 5,8-dihydronaphthoquinone derivatives and their use as anticancer agent
01/26/1995CA2144518A1 Process for preparing 5,8-dihydronaphtoquinone derivatives, novel 5,8-dihydronaphtoquinone derivatives and their use as anticancer agent
01/25/1995EP0635479A1 Perylene quinones (UCN-1028 D) derivatives
12/1994
12/28/1994EP0472733B1 Phenanthrene derivative
12/21/1994EP0629400A1 Idebenone compositions for treating Alzheimer's disease
12/20/1994US5374749 Red dye and its solution
12/19/1994CA2125822A1 Therapeutic agent for alzheimer's disease
11/1994
11/30/1994CN1095705A Finely divided anthraquinone formulations as inhibitors of sulfide production from sulfate reducing bacteria
11/22/1994US5366966 Compound UCE6
11/15/1994US5364946 Process for the preparation of substituted pentaalkylchromenes
10/1994
10/05/1994CN1026103C Preparation method for new benzoquinone compound
10/04/1994US5352845 Vitamin e
09/1994
09/14/1994EP0614970A2 Hydroxyphenylpyruvate-dioxygenase inhibitors and assay for the identification of the enzyme
09/07/1994EP0613877A1 Preparation process of quinone derivative and intermediate for the preparation thereof
09/02/1994CA2116611A1 Preparation process of quinone derivative and intermediate for the preparation thereof
08/1994
08/10/1994CN1025608C New fluoro-naphthacenediones, their glycosilatede derivatives and their manufacture procedures
08/04/1994WO1994017055A1 Antiviral naphthoquinone compounds, compositions and uses thereof
08/03/1994CN1025559C Synthetic method for 1,2-dihydroxyanthraquinone
07/1994
07/15/1994CA2113052A1 Organic photosensitive member for electrophotography
07/12/1994US5329026 Process for preparation of 2-substituted 1,4-naphthoquinone
07/12/1994US5329010 Unsaturated groups with heteroarylalkyl groups and carboxy derivatives
07/07/1994WO1994015258A1 Photodefinable polymers containing perfluorocyclobutane groups
07/07/1994WO1994014426A1 Atovaquone pharmaceutical compositions
07/07/1994CA2151151A1 Photodefineable polymers containing perfluorocyclobutane groups
07/06/1994EP0445141B1 Medicaments for the treatment of toxoplasmosis
06/1994
06/22/1994CN1088234A Triphenodioxazine dyes and preparation and application of same
06/09/1994WO1994012458A1 Saintopin derivative
06/09/1994CA2129021A1 Saintopin derivatives
06/07/1994US5318993 Antihyperlipidemic benzoquinones
06/01/1994EP0599307A1 St.-John's-wort dry extract, process for its preparation and its use
05/1994
05/17/1994CA1329621C Naphthoquinones in the treatment or prophylaxis of pneumocystis carinii infections
05/10/1994US5310762 Medicaments
05/03/1994CA1329133C Antiviral compositions containing aromatic polycyclic diones and method for treating retrovirus infections
04/1994
04/20/1994EP0593397A1 Polymerisable photochromic naphthacendiones, polymers of these monomers, their process of preparation and their use
04/19/1994US5304663 Tetraalkyl-substituted 1,4-benzoquinones as intermediates for tetra- or penta-alkyl substituted 6-hydroxy-chromenes
04/16/1994CA2108291A1 Polymerisable photochromic naphthacenediones, polymers of these monomers, process for their preparation and the use thereof
04/13/1994CN1085266A Method for producing vitamine K3 and electrolytic apparatus
04/13/1994CN1024188C Process for preparing 2,3,5-trimethyl benzoquinone
04/06/1994EP0591010A1 Organic photosensitive material for electrophotography
04/06/1994EP0591000A1 Finely divided anthraquinone formulations as inhibitors of sulfide production from sulfate-reducing bacteria
04/05/1994US5300663 Photochromic naphthacenequinones, process for their preparation and the use thereof
03/1994
03/31/1994DE4231451A1 Waraterpol(s),terpene analogous metabolites from penicillium sp. - are antimycotics and antibacterials for treating human infections and also effective against phytopathogenic fungi and fungi which destroy food
03/16/1994CN1024000C Process for preparing 4-demethoxydaunomycinone
03/15/1994US5294724 4-hydroxytetrahydropyran-2-ones and the corresponding dihydroxycarboxylic acid derivatives, salts and esters and a process for their preparation
02/1994
02/24/1994DE4227100A1 Dimensional aromatic carbonyl cpds. useful as electrical conductors - by reaction of aromatic ether(s), ketone(s), amine(s) sulphide(s) etc. with metal carbonyl(s) and opt. carbon mon:oxide at elevated temp. and pressure
02/22/1994US5288390 Polycyclic aromatic ring cleavage (PARC) process
02/01/1994US5283355 Benzoquinone compounds
02/01/1994US5283347 Dye and its solution
01/1994
01/26/1994EP0580185A1 Medicaments
12/1993
12/29/1993EP0576123A1 Watersoluble triphenodioxazine dye
12/28/1993US5274141 Designed quinone- and hydroquinone-containing cyclic enediyneols and enediyneones having DNA cleaving and cytotoxic properties
12/22/1993CN1079732A Pharmaceutical compounds
12/15/1993EP0573976A1 Anthracyclin analogue, compound UCEG
12/09/1993WO1993024650A1 Therapeutic compositions
11/1993
11/18/1993EP0570091A1 Anthraquinone derivatives, process for their preparation and their use as medicaments
11/16/1993US5262552 Reacting mevalonolactol derivative with benzene magnesium chloride derivative to obtain phenylpentanetriol compound, acylation, reduction oxidation
11/16/1993CA1324377C Lignin derived quinonic compound mixtures useful in the wood pulping process
10/1993
10/19/1993USRE34414 Inhibitors of animal tissue fibrosis
10/06/1993EP0564254A1 Polycyclic aromatic ring cleavage (parc) process
10/01/1993CA2091743A1 Polycyclic aromatic ring cleavage (parc) process
09/1993
09/14/1993US5245059 Method for the preparation of 2,3,5-trimethylbenzoquinone
09/07/1993CA1321995C Organic conductive complex
08/1993
08/29/1993CA2090743A1 Pharmaceutical compounds
08/19/1993WO1993015607A1 Ion pairs of hypericin compounds having antiviral activity
08/19/1993CA2130090A1 Ion pairs of hypericin compounds having antiviral activity
08/03/1993US5233056 Tocopherol derivatives; decyclizing a tricyclic benzoquinone monometal
07/1993
07/06/1993US5225578 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
07/06/1993US5225184 Medicaments
06/1993
06/16/1993EP0332679B1 Antiviral compositions containing aromatic polycyclic diones and method for treating retrovirus infections
06/15/1993US5220042 1,4-benzoquinone derivatives and benzene derivatives, and process for preparing the same
05/1993
05/26/1993EP0543346A1 Method for the preparation of substituted pentaalkylchromenes
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