| Patents for C07C 49 - Ketones; Ketenes; Dimeric ketenes; Ketonic chelates (22,686) |
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| 03/14/1991 | CA2025150A1 Pyridinyl-quinolone compounds, their preparation and use |
| 03/13/1991 | EP0416953A2 10-(1-Hydroxyethyl)-11-oxo-1-azatricyclo[7.2.0.0.3,8]undec-2-ene-2-carboxylic acid derivatives |
| 03/13/1991 | EP0416952A2 4-(1'-Oxocyclohex-2'-yl)azetidin-2-one derivatives |
| 03/13/1991 | EP0416564A2 Novel aroyl ketone derivative, UV ray absorber comprising the same, and cosmetic composition containing the same |
| 03/13/1991 | EP0416038A1 Novel chemiluminescent fused polycyclic ring-containing 1,2-dioxetanes and assays in which they are used. |
| 03/13/1991 | CN1049844A Process for preparing pyridinecarboxylic acid derivatives |
| 03/12/1991 | US4999450 Process for preparing alpha-(3-benzylphenyl) propionic acid derivative |
| 03/12/1991 | US4999448 Alkylation with phenylthiomethyl lithium compound, cyclization, intermediates for herbicides |
| 03/12/1991 | US4999438 Process for the reduction of the polymer portion in the dimerization of ketene |
| 03/12/1991 | US4999429 Desulfonation of corresponding aryl sulfone compound |
| 03/12/1991 | US4999186 Novel sunscreen agents, sunscreen compositions and methods for preventing sunburn |
| 03/07/1991 | DE3928707A1 Entzuendungshemmende wirkstoffe fuer kosmetische praeparate Anti-inflammatory ingredients for cosmetic preparations |
| 03/06/1991 | EP0415767A2 Process for preparing pyridine carboxylic acid derivatives |
| 03/06/1991 | EP0415745A2 Process for producing alpha-beta-unsaturated carbonyl compound |
| 03/06/1991 | EP0415090A1 Fluorine-substituted compound containing ether bond and intermediate thereof |
| 03/06/1991 | CN1049650A Process for prepn. of terpenes |
| 03/05/1991 | US4997955 Preparation of 1,1-disubstituted ethylene compounds |
| 03/05/1991 | US4997473 Certain 2-(2'-substituted benzoyl)-4-proparoyl-1,3-cyclohexanedione herbicides |
| 03/05/1991 | CA1281037C Process for producing n,o-diacetyl-6-amino-2-naphthol |
| 03/05/1991 | CA1281033C Cyclohexenone derivatives, their manufacture and their use for controlling undesirable plant growth |
| 03/05/1991 | CA1281029C Optically active ketals, processes for their preparation and their use in the synthesis of ó-arylakanoic acids |
| 03/02/1991 | WO1991003451A1 Asymmetric chemical synthesis and intermediates for making antifungal compounds |
| 03/02/1991 | CA2065741A1 Asymmetric chemical synthesis and intermediates for making antifungal compounds |
| 03/01/1991 | WO1991003227A1 Topical antiinflammatory compositions with minimal systemic absorption |
| 03/01/1991 | CA2064189A1 Topical antiinflammatory compositions with minimal systemic absorption |
| 03/01/1991 | CA2022408A1 Process for preparing pyridine carboxylic acid derivatives |
| 02/27/1991 | EP0414180A2 Hydroxylated ene ketones, acetylenic grignards and hydroxylated yne ketones therefrom |
| 02/27/1991 | EP0414106A2 Process for the preparation of terpenes |
| 02/26/1991 | US4996320 Thyroid inhibitors |
| 02/26/1991 | CA1280768C2 Cyclohexane 1, 3-dione derivatives |
| 02/26/1991 | CA1280761C Calixarene derivatives and use of such compounds as accelerators in adhesive compositions |
| 02/26/1991 | CA1280757C Preparation of monochloropinacolone |
| 02/26/1991 | CA1280756C Preparation of cyclohexanedione derivatives |
| 02/22/1991 | CA2023373A1 Hydroxylated ene ketones, acetylenic grignards and hydroxylated yne ketones therefrom |
| 02/21/1991 | DE3927480A1 New cycloalkene-di:one cpds. including bis:cpds. - useful as photoinitiator for polymerisation with visible light |
| 02/20/1991 | EP0413448A1 An Azole-substituted cycloalkanol derivative, a process to produce the same and a use of the derivative as an agricultural and horticultural fungicide |
| 02/20/1991 | EP0413257A2 Cyclic poly(aryl ether) oligomers, a process for preparation thereof, and polymerization of cyclic poly (aryl ether) oligomers |
| 02/19/1991 | US4994619 Substituted cyclic ketones, substituted cyclic enones, and process for producing the same |
| 02/19/1991 | US4994610 Process for preparing fluorinated benzoyl compounds |
| 02/19/1991 | US4994489 Ester derivatives of diarylacetylenes, their compositions and their use in acne treatment |
| 02/19/1991 | US4994480 Protecting plants, industrial materials |
| 02/15/1991 | CA2023269A1 Cyclic poly(arylether) oligomers, a process for preparation thereof, and polymerization of cyclic poly(aryl ether) oligomers |
| 02/13/1991 | EP0412803A1 Chalcone derivatives |
| 02/13/1991 | EP0412596A1 Process for oxidising paraffinic compounds |
| 02/13/1991 | CN1049151A Synthesis of alpha-hydroxy ketones |
| 02/12/1991 | US4992591 Reacting cyclic ketone with halogenated aryl using transition metal catalyst |
| 02/12/1991 | US4992581 Novel methods of manufacturing thromboxane A2 antagonists |
| 02/12/1991 | US4992577 Preparation of 3-vinyl-substituted 2,2-dimethylcyclopropane-1-carboxylic acids and esters and intermediates therefor |
| 02/12/1991 | US4992574 Benzocycloheptene derivatives |
| 02/12/1991 | US4992504 Ether-containing or thioether-containing 1,3-diketones and the use thereof as stabilizers for chlorine-containing polymers |
| 02/12/1991 | US4992474 Phenethanolamine derivatives |
| 02/12/1991 | US4992468 Treatment of skin disorders |
| 02/12/1991 | US4992351 Recording medium having a specified photopolymerization initiator |
| 02/12/1991 | CA1280122C Perfluoroalkylcetone preparation process |
| 02/09/1991 | CA2022812A1 Chalcone derivatives |
| 02/07/1991 | WO1991001289A1 Substituted cyclohexanedione derivative |
| 02/06/1991 | EP0411252A1 Process for the preparation of fluorobenzoic acids |
| 02/05/1991 | US4990703 Novel tetrahydronaphthalene and indane derivatives |
| 02/05/1991 | US4990694 Optically active dimethyl heptanediols |
| 02/05/1991 | US4990682 Process for the preparation of 5-chloro-2-pentanone |
| 02/05/1991 | US4990681 Method for removing hydrogen fluoride from mixtures comprising aromatic ketones |
| 02/05/1991 | US4990680 Reacting resorcinol with benzotrichloride in water containing surfactant, dispersant, or emulsifier |
| 02/05/1991 | US4990678 Purification of halogenated aromatic sulfones or ketones |
| 02/05/1991 | US4990633 Fluorinated bisaryloxy-substituted alkenes, process for their preparation and their use |
| 02/05/1991 | US4990505 Phenethanolamine compounds |
| 02/05/1991 | US4990496 (-)-(1s)-1-(2',2'-6'-trimethyl-2'-cyclo-hexene-1'-yl)-2-butene-1-one |
| 02/05/1991 | US4990495 Oxygen containing macrocyclic compounds, a process for their preparation and their use as perfuming ingredients |
| 02/05/1991 | CA1279870C Aroyl substituted dihydro-1,4-thiazines |
| 01/30/1991 | EP0410929A2 Linear polymers |
| 01/30/1991 | EP0410901A1 Method of catalytic oxidation of alkanes to give mixtures of alcohols and ketones |
| 01/30/1991 | EP0410742A1 Phenylethenyl compounds having retinoid-like activity |
| 01/30/1991 | EP0410726A1 S-substituted beta-thioacrylamides and their use as microbicides |
| 01/30/1991 | EP0410613A1 Synthesis of alpha-hydroxy ketones |
| 01/30/1991 | EP0410380A2 Novel process for the synthesis of 2-fluoro-1-olefins |
| 01/30/1991 | EP0410359A1 Substituted aminoalkoxy-benzene-derivatives |
| 01/30/1991 | CN1048848A Substituted bycycloheptandione derivatives |
| 01/30/1991 | CN1048845A Certain glyoxyl-cyclohexendiones |
| 01/29/1991 | US4988826 Process for intermediates for insecticidal compounds |
| 01/29/1991 | US4988715 Microbicidal substituted dioxolanes |
| 01/29/1991 | US4988382 Herbicides, plant growth regulators, imidazole derivatives, fungicides |
| 01/29/1991 | CA2021930A1 S-substituted beta-thioacrylamide biocides and fungicides |
| 01/29/1991 | CA2021669A1 S-beta-dicarbonyl substituted beta-thioacrylamide biocides and fugicides |
| 01/29/1991 | CA1279592C Nortriptyline conjugates to antigenic proteins and enzymes |
| 01/28/1991 | CA2020888A1 Substituted aminoalkoxybenzene derivatives |
| 01/27/1991 | CA2021137A1 Synthesis of alpha-hydroxy ketones |
| 01/27/1991 | CA2020253A1 Phenylethenyl compounds having retinoid-like activity |
| 01/26/1991 | CA2021521A1 Process for the synthesis of 2-fluoro-1-olefins |
| 01/25/1991 | CA2021689A1 Linear polymers |
| 01/23/1991 | EP0409689A2 A process for the purification of 1,1-bis(4-chlorophenyl)-2,2,2-trichloroethanol |
| 01/23/1991 | EP0409684A1 Acetylene derivatives, method of making them, acetylenic polymers and their applications |
| 01/23/1991 | EP0409530A1 Catalytic preparation of optically active ketones |
| 01/23/1991 | EP0409437A2 Process for preparing aromatic polycarboxylic acids |
| 01/23/1991 | EP0409350A2 Certain glyoxyl-cyclohexendiones |
| 01/23/1991 | EP0409234A2 Alpha-hydroxyketone derivatives, liquid crystal compositions containing said derivatives, and liquid crystal devices using said compositions |
| 01/23/1991 | EP0409172A2 Process for dimerizing aromatic halogen compounds |
| 01/22/1991 | US4987159 High efficiency |
| 01/22/1991 | US4987138 Hypotensives |
| 01/22/1991 | CA2021499A1 Certain glyoxyl-cyclohexendiones |
| 01/20/1991 | CA2020971A1 Acetylene derivatives, their preparation process, new acetylene polymers and their uses |
| 01/16/1991 | EP0408053A2 Monocyclic terpene derivatives |