Patents
Patents for C07B 41 - Formation or introduction of functional groups containing oxygen (3,087)
11/1988
11/01/1988US4782164 Reaction of acid with active carbonate
10/1988
10/19/1988EP0287007A2 Process for cleaving aliphatic ether compounds
10/18/1988US4778905 With sulfonated triarylphosphine ligand
10/18/1988US4778882 Method of carrying out chemical dehydration reaction and an apparatus therefor
10/12/1988EP0285786A2 Method of producing alcohols
09/1988
09/28/1988EP0283660A2 Process for the preparation of asymmetrical ketones
09/14/1988EP0281627A1 Process for reducing aldehydes or ketones
09/06/1988US4769464 Process for the preparation of monocarbonyl or biscarbonyl compounds
08/1988
08/30/1988CA1241336A1 Process for the preparation of arylalkanoic acids by oxidative rearrangement of arylalkanones
08/17/1988EP0278914A2 Process for the preparation of tert.-alkyl esters of succinic acid
08/17/1988CN88100615A Hydrolysis of activated olefinic ketones and aldehydes
08/16/1988US4764641 Transforming caronyl compound with tartaric acid, halogenating
08/11/1988WO1988005771A1 Hydrolysis of activated olefinic ketones and aldehydes
08/11/1988WO1988005767A1 Hydrogenation process
07/1988
07/27/1988EP0275400A1 Process for the preparation of substituted dihydroxybenzenes
07/20/1988EP0274909A2 Hydrocarbon oxidations catalyzed by azide- or nitride-activated metal coordination complexes
07/19/1988US4758546 Preparation of catalysts, and their use in hydrogenation and amination reactions
07/06/1988EP0273528A1 Benzophenones and their preparation
07/06/1988EP0273316A2 Stereoconvergent process for preparing optically active carboxylic acids
06/1988
06/29/1988EP0272644A2 Intermediates and their use in the synthesis of organic compounds
06/29/1988EP0272621A2 Method for the production of 5H-dibenzo[a,d]cyclohepten-5-ones
06/15/1988EP0271144A2 Process for the carbonylation of acetylenically unsaturated compounds
06/15/1988EP0271092A1 Method of reducing nitrile into a corresponding alcohol
06/15/1988CN87107279A Process for carbonylation of acetylenically unsaturated compounds
06/14/1988US4751332 Treatment of resorcinols with peroxypropionic acid
06/14/1988US4750978 Method for oxidizing groups to carboxylic acids under basic conditions
05/1988
05/31/1988US4748261 Hydroformylation catalysts
05/18/1988EP0267759A2 Oxidation process of aromatic compounds
05/17/1988US4745204 Process for producing aluminum alkoxide or aluminum aryloxide
04/1988
04/19/1988US4739071 Transesterification rearrangement
03/1988
03/30/1988EP0261327A1 Process for the production of trihydroxy- or alkoxyhydroxybenzenes
03/29/1988US4734516 From aldehyde and zinc compound
03/24/1988WO1988001995A1 Process for reducing aldehydes or ketones
03/08/1988US4730075 Chemical process involving ethers and amines
03/01/1988CA1233480A1 Preparation of hydroxyl group-containing alkoxylation products of organic carboxylic acids
02/1988
02/03/1988EP0255178A2 Process for preparing hetero aryl and aryl alkanoic acids
01/1988
01/27/1988EP0254432A2 Method of preparing alpha-arylalkanoic esters
01/20/1988EP0253700A1 Process for the asymmetric hydrogenation of carbonyl compounds, and the compounds obtained thereby
01/19/1988US4720558 Process for inverting the configuration of secondary alcohols
01/12/1988US4718994 Method for preparing hydroxy compounds of aromatic and heteroaromatic series
01/07/1988EP0251994A1 Optically active styrene derivatives, polymers therefrom, complexes with iridium (I) and their use
12/1987
12/30/1987WO1987007889A1 Asymetric hydrogenation process for carbonyl compounds, and compounds obtained
12/10/1987DE3718223A1 Novel polyfunctional derivatives of 2-methylbutanoic acid and novel process for the preparation of these and other 2-methylbutanoic acid derivatives
12/09/1987EP0248423A1 Process or the acylation of aromatic compounds
12/09/1987EP0248195A2 Process for producing aluminum alkoxide or aluminum aryloxide
11/1987
11/25/1987EP0246849A1 Method of preparing N-acryloyl-alpha-amino acids
11/24/1987US4709097 Catalytic isomerization with acidic zeolite
11/19/1987EP0246195A1 Optically active iridium complexes and their use
11/19/1987EP0245792A2 Process for the preparation of carboxylic-acid esters
11/03/1987CA1228856A1 Process for the preparation of esters or salts of aromatic or heteroaromatic acids
10/1987
10/20/1987US4701569 Perfluoroalkylation of carbonyl compounds in presence of zinc in absence of ultrasonic waves
10/14/1987EP0241235A2 Process for the preparation of homoallyl alcohols
09/1987
09/30/1987EP0080658B1 Process for producing cyclic 1,2-cis diols from cyclic 1,2-epoxides
09/22/1987US4695658 Aryl carboxylate process
09/22/1987US4695657 Process for preparing compounds containing a difluoromethylene group in a position α to an oxygen atom
09/15/1987US4694107 Zeolite catalyst
09/15/1987US4694103 Method of preparing N-acryloyl-α-amino acids
09/01/1987US4691020 Ketenes, optically active alcohols, tertiary amines, deesterification
08/1987
08/04/1987CA1225095A1 Process for oxidizing an organic compound
07/1987
07/01/1987EP0226635A1 Method for neutralization of organophilic acidic compounds.
06/1987
06/24/1987EP0226043A1 Process for the preparation of enantiomers
06/23/1987US4675418 Process for preparing alkanoic acids or esters thereof by rearrangement of alpha-halo-ketones in protic medium and in the presence of a non-noble metal salt
05/1987
05/13/1987CN86106770A Bi-esters of phosphorous acids
05/05/1987CA1221382A1 Preparation of benzophenons
04/1987
04/22/1987EP0219082A2 Process for preparing halogen-magnesium alanate, and its use
04/15/1987EP0218124A1 Supported catalyst, process for its manufacture and its use
04/08/1987EP0217375A2 Process for preparing optically active carbonyl compounds
04/07/1987US4656311 Process for preparing hydroxylated aromatic compounds
03/1987
03/25/1987EP0215563A2 Hydrogenation process
03/11/1987EP0213976A1 Process for preparing carboxylic-acid chlorides by phosgenation of carboxylic acids, and catalysts for this process
03/11/1987EP0213639A2 Bis-phosphite compounds
03/04/1987EP0213047A1 Process for preparing aromatic hydroxy compounds
03/03/1987US4647349 Oxidation of organic compounds using ceric ions in aqueous trifluoromethanesulfonic acid
03/03/1987CA1218646A1 Deesterification to acids
02/1987
02/24/1987US4645817 Preparation of hydroxyl group-containing alkoxylation products of organic carboxylic acids
02/19/1987DE3627280A1 Process for preparing aminocarboxylic acids of the acid type
02/04/1987CN86103521A Deprotection of allylic esters and ethers
02/04/1987CN85109777A Method making compound of diketone acylate
01/1987
01/29/1987WO1987000520A1 Method for neutralization of organophilic acidic compounds
01/27/1987US4639298 By-product inhibition
01/21/1987EP0208987A1 Process for the production of catalysts, and their use in hydrogenation or amination reactions
01/17/1987CN85101403A Carbonylation process improvement
12/1986
12/30/1986US4632782 Oxidizing an organic compound
12/30/1986EP0206950A1 Process for the preparation of perfluoroalkyl alcohols
12/24/1986CN85104683A Transition metal complex catalyze reaction
12/17/1986CN86100170A Process for prepn. of propanol derivatives
12/09/1986US4628130 Process for producing alcohols by hydrogenolysis of carboxylic acid esters in the presence of a catalyst containing nickel and tin, germanium or lead
12/02/1986US4626604 Hydrogenation process
11/1986
11/20/1986EP0190221A4 Process for hydroxymethylation.
11/18/1986US4623726 Method for oxidizing alkyl groups on pyridine, quinoline and benzene ring compounds to carboxylic acids under basic conditions
11/05/1986EP0200106A2 Process for the recuperation of aqueous solutions of organic acids or bases from aqueous solutions of their salts
10/1986
10/29/1986EP0199210A2 Conversion of 1,3-dioxanes into 4-oxa-aldehydes
10/28/1986US4620031 Process for preparing alpha-aryl-alkanoic acids
10/22/1986EP0198351A2 Catalytic oxidation with N-hydroxydicarboxylic acid imides
10/21/1986US4618726 Process for the preparation of benzophenones
10/21/1986US4618724 Perfluorocarbon polymer oxidation catalyst and preparation of carbonyl compound
10/15/1986EP0197869A1 Process for the preparation of pentafluoroethoxy- and pentafluoroethyl thiobenzene derivatives
10/15/1986EP0197375A1 Process for the inversion of the configuration of secondary alcohols
10/14/1986US4617281 Activation by epoxides
10/14/1986US4617154 From olefin and alcohol or amine using amidine or lewis base and epoxide catalyst
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