Patents
Patents for C07C 45 - Preparation of compounds having co groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds (38,929)
01/1990
01/16/1990US4894461 3-(γ-chloropropyl)-6-fluoro-1,2-benzisoxazole
01/16/1990US4894391 Hypotensive agents, nervous system disorders, antidiarrheoral agents
01/16/1990US4894384 Agriculture
01/16/1990US4894382 Fungicides
01/16/1990US4894205 Synthesis gas conversion to middle distillates
01/16/1990US4894181 Carbocyclic compounds
01/11/1990WO1990000087A1 Fluorinated-aromatic sulfonic acid catalyst, process for its production, and its use
01/10/1990EP0350395A1 Process for the oxidation of benzylalcohols and parent compounds by biomimetic catalysis
01/10/1990EP0350320A2 Production of unsaturated compounds
01/10/1990EP0350113A1 Liquid crystalline polyesters
01/10/1990EP0350112A1 Polyurethanes prepared from non-linear optical active diols
01/10/1990EP0350069A2 Method for oxidizing unsaturated aromatic compounds
01/10/1990EP0349856A2 Optically active oxiranes
01/10/1990CN1038636A New synthetic method of 3,4,5-trimethoxybenzaldehyde
01/09/1990US4892976 From alkyl formate and carbon monoxide, metal catalysts
01/09/1990US4892966 Flavors for foods, tobacco
01/09/1990US4892941 Porphyrins
01/09/1990US4892940 Aromatic naphthyl compounds, a process for their preparation and their use in human and veterinary medicine and in cosmetic compositions
01/09/1990US4892936 Process for the preparation or α-azo esters
01/09/1990US4892681 Benzalacetophenone derivative, radiation transparent
01/09/1990US4892659 Separation agent comprising aliphatic ester of polysaccharide
01/09/1990US4892625 Method for producing high purity chemicals
01/09/1990CA1264328A1 Antiallergic agents
01/03/1990EP0349373A2 Process for the preparation of ortho-substituted fluoro or alkyl benzene derivatives
01/03/1990EP0349204A2 Use and regeneration of reagents using coupled reactions and permselective barriers
01/03/1990EP0348878A2 Modified rhodomycins, process for their preparation and their use
01/03/1990EP0348833A2 Process for the separation and recuperation of rhodium from oxysynthesis products
01/03/1990EP0348832A2 Process for the preparation of 3(4),8(9)-bis(aminomethyl)tricyclo[5.2.1.0,26]decane
01/03/1990EP0348793A2 Process for the preparation of ketones
01/03/1990EP0348717A2 Soluble polyaromatics
01/03/1990EP0173748B1 Process for producing substituted unsaturated six-membered ring compounds from phenol derivatives
01/02/1990US4891450 Fluorine-containing arylalkenes
01/02/1990US4891447 Acyclic ether aldehyde intermediates
01/02/1990US4891446 Process for preparing aldehydes from alcohols
01/02/1990US4891443 N,N'-Dicyanocyclopropanecarbamidines and a process for their preparation
12/1989
12/27/1989EP0348121A1 Process for the synthesis of anthocyanidines and novel intermediates produced in said processes
12/27/1989EP0347939A1 Method for preparing alpha-(4-isobutylphenyl) propionic acid or its precursor
12/27/1989EP0347693A1 Benzonitriles, benzaldehydes and benzyl alcohols, and processes for their production
12/27/1989EP0347692A1 Process for preparing fluor-substituted benzaldehydes
12/27/1989CN1038273A Process for prepn. of cyclohexanol and/or cyclohexanone
12/27/1989CA1264055A2 Transition metal complex catalyzed reactions
12/26/1989US4889957 Dinuclear and water-soluble rhodium complexes and hydroformylation catalysis therewith
12/26/1989US4889952 Oxidation, ctalysis; chemical intermediates
12/26/1989US4889873 Inhibitors of slow reacting substance of anaphylaxis
12/26/1989US4889736 Use of diketone precursors in food products
12/21/1989DE3820193A1 Process for the preparation of phenyl ketones which are etherified in the 4-position
12/20/1989EP0347184A1 Manufacture of lactol derivatives
12/20/1989EP0347021A2 Process for the preparation of 2,3-dimethoxy-5-methylbenzoquinone
12/20/1989EP0150192B1 Bicyclic benzenoid aminoalkylene ethers and thioethers
12/20/1989CN1038093A Improvements in or relating to organic compounds
12/20/1989CN1038089A Process for preparing 4-demethoxydaunomycinone
12/19/1989US4888433 Process for the preparation of optically active alpha-arylalkanoic acids and novel intermediates thereof
12/19/1989US4888356 Use of substituted dihydrobenzopyrans for allergy and inflammation
12/19/1989US4888340 Insecticides pyrazolines, compositions and use
12/19/1989US4888323 Perfume composition
12/14/1989DE3819436A1 Process for the preparation of sulphur-free iron-oxide- and chromium-oxide-containing catalysts
12/13/1989EP0346279A1 Propane-1,3-dione derivatives and their use as stabilizing agents for chlorine-containing polymerisates
12/13/1989EP0346226A1 Process for the preparation of 4-aryl disubstituted-1-tetralones
12/13/1989EP0346107A2 Arylfluoroalkenamides and their use as pesticides
12/13/1989EP0345653A2 Transition metal complex
12/13/1989EP0345393A1 Ceramic membrane and use thereof for hydrocarbon conversion
12/13/1989CN1006065B Process for the preparation of aldthydes
12/13/1989CN1006064B Process for the preparation of aldthydes
12/12/1989US4886907 Polysubstituted derivatives of naphthalene, their process of preparation and their application in the cosmetic and pharmaceutical fields
12/12/1989US4886898 Intermediates for circulation-active substituted aminomethyl-5,6,7,8-tetrahydronaphthyloxy-acetic acids
12/12/1989US4886891 Process for preparing 1,1-disubstituted ethylene derivative by reaction of lead with a carbinol derivative
12/12/1989US4886835 Alkadiene derivatives, their preparation, and pharmaceutical compositions containing them
12/12/1989CA1263872A1 Preparation of ketones by isomerization of aldehydes
12/12/1989CA1263871A1 Hydroformylation process
12/06/1989EP0345083A2 Process for recovering methacrolein
12/06/1989EP0344688A2 Process for producing a phenolate and process for producing an aromatic polyether ketone employing it
12/06/1989EP0344602A1 6-Substituted 4-hydroxy-tetrahydro-pyran-2-one derivatives, process for their production, pharmaceutical preparations based on these compounds
12/06/1989EP0344585A1 Acetals and process for their production
12/05/1989US4885412 Heat absorbing vapor phase reaction; corrosion resistance
12/05/1989US4885404 High yields
12/05/1989US4885403 Stirring hydroxy aromatic compound with propargyl halide; etherification
12/05/1989US4885401 Bis-phosphite compounds
12/05/1989US4885400 Hydroformylation of vinyl chloride
12/05/1989US4885399 Esterification with tischtschenko metal alkoxide catalyst; separation
12/05/1989US4885398 Reacting a heptafluoroisobutenyl ether with an oxygen-containing gas having ozone
12/05/1989US4885397 Process for the preparation of cyclic ketones by isomerization of epoxides
12/05/1989US4885396 Reacting 2,4-dihydroxybenzophenone with ethylene carbonate in presence of quaternary ammonium catalyst
12/05/1989US4885395 Preparation of alpha, beta-unsaturated ketones
12/05/1989US4885377 Olefin and alkane oxidations, ruthenium carboxylate catalyst therefor and method of preparation thereof
12/05/1989US4885376 New types of organometallic reagents and catalysts for asymmetric synthesis
12/05/1989US4885313 3,4-Dihydroxyphenylethylamine derivatives and their use
12/05/1989CA1263800A1 Process for the preparation of optically-active cyanomethyl esters
12/05/1989CA1263656A1 Aryloxycycloalkanolaminoalkylene aryl ketones
11/1989
11/29/1989EP0344113A2 Substituted alpha-pyrones and naphthoquinones
11/29/1989EP0344109A2 Substituted naphthacene-5,12-diones and their use
11/29/1989EP0344043A1 Process for the preparation of citral
11/29/1989EP0343798A1 Preparation of aromatic compounds and derivatives thereof
11/29/1989EP0343709A2 Process for synthesis of E-2-methyl-alpha-beta-unsaturated aldehydes
11/29/1989EP0343512A2 Process for the oxidation of hydrocarbons utilizing partitioning of oxidizing gas
11/29/1989EP0343475A2 Process for producing neopentyl glycol
11/29/1989EP0343441A2 Fluorinated bis-aryloxy-substituted alkenes, method for their production an their application
11/28/1989US4883887 Sulfone polyene intermediates
11/28/1989US4883614 Phenyl substituted-2,4,6,8-nonatetraenoic acid
11/28/1989US4883613 Phenyl substituted-2,4,6,8-nonatetraenoic acid
11/28/1989CA1263407A1 Process for the preparation of aldehydes