Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 45 - Preparation of compounds having co groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
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)
11/1991
11/06/1991EP0455545A1 Process for the preparation of mono- or polyalkoxylated aromatic compounds
11/06/1991EP0455332A2 Acylation or sulphonylation of aromatic compounds
11/06/1991EP0455304A1 Process for the preparation of cyclic ketones
11/06/1991EP0455261A1 Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyaldehydes
11/06/1991EP0455257A2 Catalysts for producing 1,3-diols and/or 3-hydroxy-aldehydes, and processes for making and using same
11/06/1991EP0455119A2 Process for the preparation of canthaxanthin and astaxanthin
11/06/1991EP0454863A1 Method for the preparation of beta-hydroxyketones.
11/06/1991CN1055914A Process for producing unsaturated aldehydes and unsaturayed acids
11/05/1991CA2041840A1 Catalysts for producing 1,3-diols and/or 3-hydroxyaldehydes, and processes for making and using same
11/05/1991CA2041798A1 Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyaldehydes
11/05/1991CA1291762C Process for preparing aromatic aldehydes
11/02/1991WO1991017149A1 3-naphthyl-3-carboxyalkylthio or oxy substituted alkanoic acid leukotriene antagonists
11/02/1991CA2081480A1 3-naphthyl-3-carboxyalkylthio or oxy substituted alkanoic acid leukotriene antagonists
10/1991
10/30/1991EP0454624A1 Process for the production of 1,3-diketones
10/30/1991EP0454623A1 Process for the production of linear 1,3-diketones
10/30/1991EP0454588A1 Method for the preparation of Citral
10/30/1991EP0454494A2 Calicheamicinone, derivatives and analogs thereof and methods of making the same
10/30/1991EP0454146A1 Cytotoxic bicyclo[7.3.1] tridec-4-ene-2,6-diyne compounds and process for the preparation thereof
10/30/1991EP0437480A4 Method and apparatus for continuous chemical reactions
10/29/1991US5061819 Methods for synthesizing phosphonate reagents and retinoids
10/29/1991US5061798 Benzyl pyridyl and pyridazinyl compounds
10/29/1991US5061718 Benzothiazolylmethoxy compounds, pharmaceutical compositions comprising the same and their use as anti-inflammatory or anti-allergenic agents
10/29/1991US5061669 Catalyst comprising anhydrous nickel compound, bidentate phosphorus-containing ligand, reducing metal
10/29/1991CA1291485C Process for the preparation of aromatic aldehydes
10/28/1991CA2041232A1 Process for preparing citral
10/28/1991CA2040855A1 Cytotoxic bicyclo¬7.3.1| tridec-4-ene-2,6-diyne compounds and process for the preparation thereof
10/28/1991CA2039789A1 Calicheamicinone, derivatives and analogs thereof and methods of making the same
10/27/1991CA2041134A1 Process for the preparation of linear 1,3-diketones
10/23/1991EP0453066A1 Indanderivatives
10/23/1991EP0453021A1 Process for preparing a cycloalkanone and/or cycloalkanol
10/23/1991EP0452729A1 Process for preparing substituted cyclobutanes
10/23/1991EP0452411A1 Acid catalyzed process
10/22/1991US5059724 Preparation of methyl isobutyl ketone
10/22/1991US5059718 Oxo process for increasing yield of oxo alcohol
10/22/1991US5059717 Method for purification of 2,2'-di(1,6,7-trihydroxy-3-methyl-5-isopropyl-8-naphthaldehyde)
10/22/1991US5059716 Catalytic gas phase hydrogenation of acids, esters, anhydride or carbonyl halides
10/22/1991US5059710 Ionic phosphites and their use in homogeneous transition metal catalyzed processes
10/22/1991US5059609 Lipoxygenase inhibitors; leukotriene receptor blockers; psoriasis; antiulcer agents and myocardial infarctions
10/22/1991US5059328 Separation agent comprising 1,3-glucan
10/19/1991WO1991016293A1 Improved process for the preparation of ketone compounds
10/17/1991CA2040485A1 Process for preparing substituted cyclobutanes
10/16/1991EP0451927A1 Cyclo(D-phenylalanyl-D-histidine)
10/16/1991EP0451650A1 Method for the production of o-hydroxy-benzaldehydes
10/16/1991EP0276231B1 Transition metal complex catalyzed hydroformylation
10/15/1991US5057618 Complex compounds containing sulfonated phenyl phosphanes
10/15/1991US5057564 Cyclic carbonyl containing polymers
10/15/1991US5057525 Novel N-(3-hydroxy-4-piperidinyl) benzamide derivatives
10/15/1991US5057192 Acetone removal from acetic anhydride production process
10/15/1991CA2040378A1 Process for preparing a cycloalkanone and/or cycloalkanol
10/15/1991CA1290760C Reduction of carboxylic esters
10/11/1991CA2039922A1 Sulfonyl compound and use of said compound as an intermediate in the process of producing vitamin a or its esters
10/09/1991EP0451104A2 Soluble polyarylenetherketones
10/09/1991EP0450596A2 Process for producing unsaturated aldehydes and unsaturated acids
10/09/1991EP0450498A1 Process for removing impurities from the mixture of cyclohexanone and cyclohexanol
10/09/1991EP0449966A1 Low pressure rhodium catalyzed hydroformylation of olefins
10/09/1991EP0253837B1 Catalytic method for producing fluoroaromatic compounds using branched alkyl pyridinium salts
10/08/1991US5055622 Novel tetrahydronaphthalene and indane derivatives
10/08/1991US5055621 Relating to aldol condensation
10/08/1991US5055620 Heating in the presence of a catalyst to condense a ketone; mixing a water soluble acid and pseudoboehmite to form a dispersion, adding magnesium oxide or hydroxide, agitation, drying and calcining
10/08/1991US5055613 Metabolites of pentanedioic acid derivatives
10/08/1991US5055474 Antihypoxia, hypotensive, antiinflammatory agents; anoxia treatment
10/08/1991CA1290350C Hydroformylation catalyst removal
10/06/1991WO1991015491A1 Heterocyclic compounds as aldose reductase inhibitors
10/06/1991WO1991015451A1 Novel derivatives of phenyl-cycloalkanes and -cycloalkenes
10/06/1991CA2079785A1 Derivatives of phenyl-cycloalkanes and cycloalkenes
10/06/1991CA2078210A1 Heterocyclic compounds as aldose reductase inhibitors
10/04/1991CA2039478A1 Soluble polyarylene ether ketones
10/03/1991WO1991014379A1 Process for producing hydroxyacetaldehyde
10/02/1991EP0449034A1 Cyclic ketones, method for their preparation and their application in perfumery
10/02/1991EP0448848A1 Hydroformylation of olefins
10/02/1991EP0448740A1 A perfume composition
10/02/1991EP0448726A1 2-substituted 2-cyclopentenone and carcinostatic agent and osteogenesis promoter containing the same as active ingredient
10/02/1991DE4009910A1 Ethenolytic metathesis of olefin(s) - using organo-rhenium oxide catalyst on oxidic carrier
10/02/1991CN1014119B Mo, fe and bi -contg. catalyst for oxidation of olefin or tertiary alcohol to product corresponding unsaturated aldehyde or carboxylic acids
10/01/1991US5053559 Cleavage of 1,2,4-trioxanes
10/01/1991US5053552 Process for producing α,β-unsaturated aldehyde
10/01/1991US5053551 Process for the production of aldehydes by hydroformylation
10/01/1991US5053550 Cyclization of 4-chlorobutanol; heating in liquid two phases (mineral base aqueous and water immiscible organic); continuous processing
10/01/1991US5053548 Biphenyl derivative composition for nerve cell degeneration repairing or protective agent and process for preparing a phenyl derivative contained in the composition
10/01/1991US5053547 Benzonorbornene derivatives, processes for their preparation and medicinal and cosmetic compositions containing them
10/01/1991US5053546 Hexamaphtho-hexaoxa (-imina,-thea)-1,8-diborabicyclo (6,6,6) eicosahexanes; ligands; adducts; catalysts
10/01/1991US5053533 Continuous processing of 1-chloro-2-methoxy-napthalene under Friedel-Craft conditions, without isolation/purification of chemical intermediate
10/01/1991CA1289972C Process for producing acetyl-substituted aromatic compound
10/01/1991CA1289956C Naphthyridine- and quinolonecarboxylic acids as antibacterial agents
09/1991
09/29/1991WO1991014665A1 Use of organic derivatives of rhenium oxides as catalysts for ethenolytic metathesis of olefinic compounds and process for ethenolytic metathesis of olefinic compounds using these catalysts
09/25/1991EP0448389A1 Enamine derivatives and their use in electrophotographic member
09/25/1991EP0447947A1 N-(3-Phenyl-2-methylpropyl and -methyl-prop-2-enyl)-azaheterocycles
09/25/1991EP0447828A1 4-(4-Tert-Butylphenyl)cyclohexylamines and fungicides containing them
09/25/1991EP0447758A1 Process for the preparation of unsaturated and saturated carbonyl compounds
09/25/1991CN1014055B Process for removal of organochlorine compounds from the offgas from the oxidation of ethylene
09/24/1991WO1991014500A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/24/1991US5051518 Pharmacologically active 2- and 3-substituted (1',5'-diaryl-3-pyrazolyl)-N-hydroxypropanamides
09/24/1991CA2078881A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/24/1991CA2038831A1 N-(3-phenyl-2-methylpropyl and -methylprop-2-enyl)-azaheterocycles
09/24/1991CA1289563C Antiarrhythmic imidazoliums, intermediates thereto and method of use
09/18/1991EP0446798A1 1-alkyl-, 1-alkenyl- and 1-alkynylaryl-2-amino-1, 3-propanediols and related compounds, a process and intermediates for their preparation and their use as medicaments
09/18/1991EP0446759A1 Process for the production of cyclopentenones
09/18/1991EP0446722A1 Novel hydroxylated phenoxy compounds and process for their preparation
09/18/1991EP0446720A2 Novel brominated phenoxy compounds and processes for their preparation
09/18/1991EP0446301A1 Preparation of biaryl compounds.
1 ... 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 ... 390