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