Patents for C07C 46 - Preparation of quinones (1,836) |
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06/16/1998 | US5767327 Dissolving substituted biphenyl compound in alkanoic acid or alkanediol solvent, adding peroxide or oxygen oxidizing agent to form diphenoquinone |
05/07/1998 | WO1998018746A1 Method for preparing trimethylbenzoquinone |
05/07/1998 | CA2267089A1 Method for preparing trimethylbenzoquinone |
04/28/1998 | US5744624 Saponification, salt formation, from diester ) |
04/28/1998 | US5744623 Terpene-quinones with antitumour activity |
04/01/1998 | CN1177954A Method for synthesising 2 -ethyl -anthraquinone |
03/24/1998 | US5731313 Use of anthracyclinone derivatives in amyloidosis |
03/18/1998 | EP0662004B1 Use of persistent free-radicals in magnetic resonance imaging |
03/18/1998 | CN1176233A Low thickness antifragmentation plates |
03/04/1998 | EP0826490A2 Low thickness antifragmentation plates |
03/03/1998 | US5723675 Method for preparing anthraquinones |
02/28/1998 | CA2213981A1 Low thickness antifragmentation plates |
02/11/1998 | CN1172791A Distillation process for improving yield of pure products from crude anthracene |
01/27/1998 | US5712416 Oxidation and condensation of phenol to form benzoquinone in the presence of oxygen transfer catalysts of iron, manganese and chromium dihydrodibenzotetraza(14)annulenes |
01/27/1998 | US5712402 Catalytic applications of mesoporous metallosilicate molecular sieves and methods for their preparation |
01/20/1998 | US5710292 Rhenium catalysts |
01/20/1998 | CA1339634C Process for the preparation of 4-demethoxydaunomycinone, the aglycone of 4-demethoxy-daunorubicin |
01/15/1998 | WO1998001410A1 Process for the preparation of optically active anthracyclinones and intermediates thereof |
01/08/1998 | WO1997031936A3 Novel ortho-naphthoquinone derivatives, novel synthesis therefor, and their use in the inhibition of neoplastic cell growth |
01/07/1998 | EP0815069A1 Method for synthesising 2-ethyl-anthraquinone |
12/23/1997 | US5700448 Contrast media |
12/17/1997 | EP0812816A1 Process for producing quinones |
12/17/1997 | EP0672019B1 Process for recovering sulfur and hydrogen from hydrogen sulfide |
12/16/1997 | US5698744 Process for the selective oxidation of compounds |
12/09/1997 | US5696276 Process for preparing 5,8-dihydroxynaphthoquinone derivatives, novel 5,8-dihydroxynaphthoquinone derivatives and their use as anticancer agent |
11/11/1997 | US5686635 Vitamin k and coenzyme intermediates |
10/29/1997 | EP0802730A1 Pesticidal compounds |
10/29/1997 | EP0802729A1 Pesticidal compounds |
10/22/1997 | EP0801639A1 Method for preparing substituted anthraquinones and use thereof for preparing rheins |
10/14/1997 | US5677471 Process for the preparation of quinone derivative |
10/08/1997 | EP0799813A2 Distillation process for the recovery of pure products from crude anthracene |
09/30/1997 | US5672725 Oxidation of corresponding dihydroxy compound using sulfuryl chloride |
09/30/1997 | US5672607 Antiviral naphthoquinone compounds, compositions and uses thereof |
09/30/1997 | US5672556 Oxidation catalysts |
09/16/1997 | CA2030942C Process for preparation of 2-substituted-1, 4-naphthoquinone |
09/10/1997 | CN1158837A Manufacture of vitamin K1 |
09/04/1997 | WO1997031936A2 Novel ortho-naphthoquinone derivatives, novel synthesis therefor, and their use in the inhibition of neoplastic cell growth |
07/02/1997 | CN1153508A Naphthoquinone derivs. |
06/25/1997 | EP0780357A1 Preparation of vitamin K1 |
06/19/1997 | WO1997021709A1 Use of mono- or diketone tetracyclic derivatives, resulting novel compounds and therapeutical use thereof |
06/19/1997 | WO1997021684A1 Use of tricyclic 1,4-dihydro-1,4-dioxo-1h-naphthalene derivatives, resulting novel compounds and therapeutical use thereof |
06/19/1997 | CA2240279A1 Use of tricyclic 1,4-dihydro-1,4-dioxo-1h-naphthalene derivatives, resulting novel compounds and therapeutical use thereof |
06/10/1997 | US5637741 Oxidation of 2-methylnaphthalene with hydrogen peroxide and-or organic peracid in carboxylic acid solution in presence of palladium compound |
06/04/1997 | EP0776328A1 8-fluoro-anthracyclines, processes for their preparation and pharmaceutical compositions containing them |
05/09/1997 | WO1997016404A1 Method for preparing substituted anthraquinones and use thereof for preparing rheins |
05/07/1997 | EP0681578B1 Antiviral naphthoquinone compounds, compositions and uses thereof |
05/07/1997 | DE19541262A1 Production of 1,4-cyclohexane:di:one compounds |
04/22/1997 | US5623040 Polymerisable photochromic naphthacenediones, polymers of these monomers, process for their preparation and the use thereof |
04/01/1997 | US5616734 Process for the catalytic oxidation of aromatic compounds |
03/26/1997 | EP0764886A2 Naphthoquinone derivative and electrophotosensitive material using the same |
03/05/1997 | EP0759898A1 Naphthoquinone derivatives |
03/04/1997 | US5608092 Intermediates for vitamin k derivatives |
02/06/1997 | WO1997003940A1 Novel 6-substituted-5,8-dioxy-1,4-naphthoquinone derivatives |
01/23/1997 | WO1997002271A1 Pesticidal compounds |
01/23/1997 | CA2226089A1 Pesticidal compounds |
01/22/1997 | CN1140704A Process for selective oxidation of compounds |
01/22/1997 | CN1033855C Reduction of carboxylic esters |
12/24/1996 | US5587495 4-substituted anthracyclinones and anthracycline glycosides and the process for preparing them |
10/24/1996 | WO1996033015A1 Pretreatment of catalyst support to enhance catalytic dehydrogenation of a hydroquinone |
10/24/1996 | CA2212892A1 Pretreatment of catalyst support to enhance catalytic dehydrogenation of a hydroquinone |
10/02/1996 | EP0735014A1 Process for the selective oxidation of compounds |
09/26/1996 | WO1996029297A1 Catalytic applications of mesoporous metallosilicate molecular sieves and methods for their preparation |
09/25/1996 | CN1131911A Anthracyclinone derivatives and their use in amyloidosis |
09/24/1996 | US5559257 Process for the preparation of tetrachloro-1,4-benzoquinone |
09/19/1996 | WO1996028410A1 Method for synthesising 2-ethyl-anthraquinone |
09/19/1996 | CA2214017A1 Method for synthesising 2-ethyl-anthraquinone |
09/18/1996 | EP0731782A1 Process for catalytically dehydrogenating anthrahydroquinone |
09/11/1996 | EP0731078A1 Terpene-quinone with antitumor activity |
07/25/1996 | WO1996022269A1 Process for producing quinones |
07/24/1996 | EP0722319A1 Anthracyclinone derivatives and their use in amyloidosis |
07/18/1996 | WO1996021355A1 Pesticidal compounds |
07/18/1996 | WO1996021354A1 Pesticidal compounds |
07/18/1996 | CA2209998A1 Pesticidal compounds |
07/18/1996 | CA2209906A1 Pesticidal compounds |
06/11/1996 | US5525744 Multi-step oxidation-chlorination of hydroquinone with an iron catalyst using chlorine as the oxidant; no hydrogen chloride in waste gas |
05/14/1996 | US5516407 Indirect cerium mediated electrosynthesis |
04/17/1996 | CN1120834A Ozonide reducing agent |
04/04/1996 | WO1996010005A1 Process for catalytically dehydrogenating anthrahydroquinone |
04/04/1996 | CA2175582A1 Process for catalytically dehydrogenating anthrahydroquinone |
04/03/1996 | EP0704421A1 Process for producing 2-methyl-1,4-naphthoquinone |
04/02/1996 | US5504219 Optically active compounds and intermediates thereof, and process for manufacturing same |
03/26/1996 | US5502214 1,2-benzoquinones and methods for making and using same |
03/12/1996 | US5498712 Fiber-reactive, blue, cotton |
02/22/1996 | WO1996004895A1 Anthracyclinone derivatives and their use in amyloidosis |
02/22/1996 | CA2173623A1 Anthracyclinone derivatives and their use in amyloidosis |
02/15/1996 | WO1996004292A1 8-fluoro-anthracyclines, processes for their preparation and pharmaceutical compositions containing them |
02/15/1996 | WO1996004230A1 Terpene-quinone with antitumor activity |
02/15/1996 | CA2196752A1 8-fluoro-anthracyclines, processes for their preparation and pharmaceutical compositions containing them |
02/15/1996 | CA2173157A1 Terpene-quinone with antitumor activity |
01/30/1996 | US5488119 Polymerisable photochromic naphthacenediones, polymers of these monomers, process for their preparation and the use thereof |
12/19/1995 | US5476955 Process for the preparation of a quinone derivative |
12/19/1995 | CA1337762C Process for preparing 4-demethoxydaunomycinone |
12/13/1995 | EP0686618A1 Process for the selective oxidation of aromatic compounds |
12/13/1995 | EP0686613A1 Ozonide reducing agent |
12/07/1995 | DE4419799A1 Organo rhenium derivs. used as catalysts |
11/30/1995 | WO1995032176A1 Naphthoquinone derivatives |
11/30/1995 | CA2190152A1 Naphthoquinone derivatives |
11/22/1995 | CN1112363A Process for preparing 5,8-dihydronaphthoquinone derivatives, novel 5,8-dihydronaphthoquinone derivatives and their use as anticancer agent |
11/16/1995 | DE19515991A1 Ketone esp. cyclohexanone prepn. from olefinic cpd. with oxidant recovery |
11/14/1995 | US5466711 Medicaments |