Patents
Patents for C07C 49 - Ketones; Ketenes; Dimeric ketenes; Ketonic chelates (22,686)
12/1988
12/21/1988EP0295553A1 Process for the preparation of 1,1-disubstituted ethylene compounds
12/21/1988EP0295531A2 Hydrogenation process
12/21/1988EP0295361A2 Preparation of pseudoionones
12/21/1988CN88102756A Oximino ether compounds
12/20/1988US4792635 Symmetric benzophenones substituted by groups containing fluorine
12/20/1988US4792628 Indane derivatives and salts thereof
12/20/1988CA1247132A1 2,6-disubstituted naphthalene derivatives and process for preparing the same
12/20/1988CA1247123A1 Polysubstituted derivatives of naphtalene, and their preparation
12/20/1988CA1247122A1 Unsaturated camphor derivatives, and their preparation
12/15/1988WO1988009782A1 Process for making propargyl ethers of hydroxyaromatic compounds
12/15/1988WO1988008836A3 Aryl substituted naphthalene, benzoxepine, benzazepine, benzocycloheptene derivatives
12/14/1988EP0295050A1 Process for preparing a 4,4-diphenylbutanoic acid derivative
12/14/1988CN88101939A Improvement in or relating to leukotriene antagonists
12/14/1988CN87101284A Process for crystal cyclohexyl benzene derivatives and novel nematic mixture containing the derivatives
12/13/1988US4790870 Herbicidally active aryloxy optionally oxo-substituted indane or tetralin derivatives
12/13/1988CA1246610A1 Process of producing catechol derivatives
12/13/1988CA1246609A1 Process for producing 1-hydroxy ketones
12/13/1988CA1246604A1 Cycloaliphatic pharmaceutical compounds
12/13/1988CA1246600A1 3-benzylidene camphor derivatives; process for preparing the same and their use as drugs and as a protective barrier against uv radiation
12/13/1988CA1246566A1 Phenol derivatives
12/13/1988CA1246458A1 Topical treatment and composition with anti- inflammatory activity
12/07/1988EP0293957A2 Use of diketone precursors in food products
12/07/1988EP0293768A1 Process for making propargyl ethers of hydroxyaromatic compounds
12/07/1988CN88102538A Bicyclic compounde processes for prepn. thereof and pharmaceutical composition comprising same
12/06/1988US4789750 2-(trimethyl-tridecenyl)-tetramethylchroman intermediates for vitamin E
12/06/1988US4789704 Curable resin from bis maleimide and alkenyl phenyl hydroxy ether
12/01/1988WO1988009321A1 Substituted phenone
12/01/1988WO1988009320A1 Biphenyl compound
11/1988
11/30/1988EP0293220A2 Pharmacologically active 2-and 3-substituted (1', 5'-diaryl-3-pyrazolyl)-N-Hydroxypropanamides and method for synthesizing
11/30/1988EP0292576A1 Anti-ulcerous agent containing chalcone derivative as effective ingredient and novel chalcone derivatives
11/29/1988US4788342 Process for preparation of 4,4,8,8,10-pentamethylbicyclo[4,4,0]-decene-(1,6)-one(2)
11/29/1988US4788341 Process for preparing 2-acetonaphthones
11/29/1988US4788338 Preparation of ketones
11/29/1988US4788337 2-alkanoyl-2-(1-penten-1-yl)cyclohexanones, process for preparing same, and organoleptic uses thereof and intermediates useful in said process
11/29/1988US4788318 Process for the production of 4,4,8,8,10-pentamethyl-10-cyano-bicyclo[4.4.0]-dec-1,6-en-2-one
11/29/1988US4788305 Heterocyclic hemiacetals
11/29/1988US4788130 Antihydoxic, hypotensive, antiinflammatory agent
11/29/1988CA1245663A1 1-nitrogen containing-7-hydroxy-indone derivatives and salts thereof
11/24/1988DE3724953A1 Process for the preparation of 1-n-propylcyclobutanecarbaldehyde, and n-propylcyclobutane derivatives
11/24/1988DE3724950A1 Process for the preparation of intermediates for prostaglandins
11/24/1988DE3724935A1 Process for the preparation of substituted cyclobutanecarbaldehydes
11/24/1988DE3724901A1 Cyclobutylmethanephosphonic ester derivatives, the preparation of cyclobutanecarbaldehydes and their use
11/23/1988EP0291626A2 Process for the preparation of optically-active cyanomethyl esters
11/22/1988CA1245232A1 Diarylindane - 1,3 - diones, their preparation and use
11/17/1988WO1988008836A2 Aryl substituted naphthalene, benzoxepine, benzazepine, benzocycloheptene derivatives
11/17/1988EP0291327A2 Aryl-substituted naphthalene, benzoxepine, benzazepine and benzocycloheptene derivatives
11/17/1988EP0291114A2 Oximino ether compounds
11/17/1988EP0290919A1 Optically active octynols and their application in the production of prostaglandins
11/17/1988EP0290905A1 Substituted propargylketones with a restricted amount of isomers, their preparation from homopropargylalcohols by oxidation and their application to prostaglandin synthesis, also the preparation of homopropargylalcohols from propargylketones
11/17/1988EP0290903A2 Beta-fluoracyl-beta-halogen vinyl alkyl ethers
11/09/1988EP0290015A1 Process for preparing macrocyclic 2-Halogenoketones
11/08/1988US4783558 Flavoring and perfume compositions, flavored foodstuffs and luxury consumables and perfumed products which contain one or more spathulenols as the base material, a spathulenol derivative and a process for the preparation of spathulenols
11/08/1988US4783549 Benzonorbornene derivatives, processes for their preparation and medicinal and cosmetic compositions containing them
11/08/1988US4783213 Certain 2-(2-substituted benzoyl)-4-(substituted oxy or substituted thio)-1,3-cyclohexanediones
11/08/1988CA1244476A1 Extractants and method for the recovery of palladium
11/08/1988CA1244475A1 Process for preparing cyclohexanol and cyclohexanone
11/02/1988EP0288962A2 Aryl-aralkyl ethers, processes for their preparation and pharmaceutical composition comprising them
11/02/1988EP0216880B1 Cyclohexane derivatives
11/02/1988CN88102282A Process for decreasing ketene tripolymer in diketen rude products
11/02/1988CN88101781A Process for preparing iodinated substituted aromatic compounds
11/01/1988US4782192 Perfumes, flavors
11/01/1988US4782186 Condensation of aldehydes
11/01/1988US4781751 Certain 2-(2-substituted benzoyl)-4-(substituted)-1,3-cyclohexanediones
11/01/1988US4781750 Preemergence for nutsedge
10/1988
10/26/1988EP0288337A1 Process for the oxidation of organic compounds by hydrogen peroxide in the presence of a catalyst
10/26/1988EP0288190A1 Improvements in or relating to leukotriene antagonists
10/26/1988EP0288144A2 3-(6'-Methoxy-2'-naphthylmethyl)-2,4 pentane dione, process for its preparation and intermediates
10/26/1988EP0287894A2 Process for reducing the amount of ketene trimer in diketene
10/26/1988EP0287884A1 Process for the production of carbonyl compounds
10/25/1988US4780569 Certain 1,3-diphenyl-1,3-propanediones
10/25/1988US4780550 Herbicide intermediates
10/25/1988US4780471 Imidazole or triazole derivatives
10/25/1988US4780251 Phenyl substituted-2,4,6,8-nonatetraenoic acid
10/25/1988US4780129 Cycloxexenone derivatives, their manufacture and their use for controlling undesirable plant growth
10/25/1988US4780127 Certain 2-(substituted benzoyl)-1,3-cyclohexanediones and their use as herbicides
10/25/1988CA1243688A1 Process for preparing substituted tetralones
10/19/1988EP0107733B1 Cycloaliphatic pharmaceutical compounds
10/19/1988CN88100650A Anti-inflammotory agent
10/18/1988US4778940 Reacting iodine in presence of oxygen over zeolite catalyst
10/18/1988US4778931 Certain [3-(1-hydroxy hexyl-tetrahydro)naphthalenes], the corresponding naphthalenes having anti-inflammatory and anti-allergic activity
10/18/1988US4778922 Process for producing N,O-diacetyl-6-amino-2-naphthol
10/18/1988US4778889 2-amino-4-halogeno-6-cyclopropyl-1,3,5-triazines
10/18/1988US4778818 Vision and skin disorders
10/18/1988US4778691 Control of hop-extracts for beer; purification
10/11/1988US4777299 Process for leukotriene antagonists
10/11/1988US4777298 Process for intermediates to leukotriene antagonists
10/11/1988US4777288 Process for preparing a 4,4-diphenylbutanoic acid derivative
10/11/1988US4777185 Phenyl phenoxyphenyl propenyl cyclopropane pesticides
10/11/1988CA1243035A1 Leukotriene antagonists
10/11/1988CA1243027A1 Phenylimidazole inotropic agents
10/11/1988CA1243025A1 Homocyclic derivatives
10/06/1988WO1988007517A1 Process for preparing 3-ethylbenzophenone
10/06/1988WO1988007513A1 Improved vapor phase bromination of aromatic compounds
10/06/1988WO1988007511A1 Processes for isomerizing and oxidative iodinating aromatic compounds
10/06/1988WO1988007510A1 Liquid phase isomerization of iodoaromatic compounds
10/06/1988WO1988007509A1 Process for preparing iodinated substituted aromatic compounds
10/05/1988EP0285372A2 Method for purifying macrocyclic ketones
10/05/1988EP0285175A1 Asymmetric photochemical reaction process
10/05/1988CN88100088A Insecticidal ethers
10/04/1988CA1242726A1 Benzofuranyl, benzothienyl and naphthalene propenyl derivatives and methods of controlling rodents using such derivatives