Patents for C07B 31 - Reduction in general (2,354)
12/1988
12/21/1988EP0295890A2 Process of preparing optically active alcohol
12/21/1988EP0295578A1 Use of alkaline earth salts of ethercarboxylic acids as alkoxylation catalysts
12/21/1988EP0295553A1 Process for the preparation of 1,1-disubstituted ethylene compounds
12/21/1988EP0295531A2 Hydrogenation process
12/20/1988US4792641 Process for preparing iodinated aromatic compounds
12/20/1988US4792635 Symmetric benzophenones substituted by groups containing fluorine
12/20/1988CA1247138A1 Simultaneous esterification and fluoration process
12/20/1988CA1247131A1 Process for preparing compounds containing a difluoromethylene or a trifluoromethyl group
12/14/1988EP0295109A1 Process for preparing optically active alcohol
12/13/1988CA1246618A1 Method of alkoxylating fluorinated alcohols
12/13/1988CA1246534A1 Nickel/alumina/silicate catalyst, its preparation and use
12/07/1988EP0293811A1 The production of an alcohol from an alkyl formate by decarbonylation
12/07/1988EP0293744A1 Process for recovering benzolmonosulfonic acids from aqueous solutions or suspensions
12/01/1988WO1988007986A3 Compounds useful particularly for radiotherapy or imaging of cancer
11/1988
11/30/1988EP0292885A2 Catalytic transfer-hydrogenation with aromatic nitro compounds as hydrogen acceptor
11/30/1988EP0292689A2 Substituted 1,4,7-triscarboxymethyl-1,4,7,10-tetraazacyclo-dodecane and analogs
11/29/1988US4788305 Heterocyclic hemiacetals
11/29/1988US4788282 Carbapenicillins
11/29/1988US4788011 Spraying from separate nozzles; mixing in the spray cones
11/23/1988EP0210210B1 Method for producing l-phenylalanine
11/22/1988US4786744 Reaction with alcohol or amine
11/22/1988US4786416 Cellulose triacetate
11/22/1988US4786415 Separation agent comprising aliphatic ester of polysaccharide
11/17/1988WO1988008720A1 Preparation of tc-99m radiopharmaceuticals
11/17/1988EP0291281A1 Preparation of Tc-99m Radiopharmaceuticals
11/08/1988US4783562 Process for the preparation of trichloromethyl-substituted aromatic compounds, and trichloromethyl-substituted aromatic compounds obtained in this process
11/08/1988US4783546 From 3-pentenenitrile with heterogeneous catalyst
11/08/1988CA1244451A1 Chiral phosphorus-containing ligands; process for preparing the same from naural amino acids and their use as catalysts in enantioselective synthesis reactions
11/02/1988EP0289353A2 Modified BOP reagent for solid phase peptide synthesis
11/02/1988EP0289061A1 Method for the preparation and application of rhodium catalysts for the hydrogenation of aromatic and other unsaturated compounds under mild conditions.
11/02/1988EP0288764A1 Optically active alpha-amino aldehydes, processes for their preparation and their use in the stereoselective preparation of optically active beta-amino alcohols
11/02/1988EP0288557A1 Photochemical dimerization and functionalization of alkanes, ethers, primary and secondary alcohols, phosphine oxides and silanes
11/02/1988EP0190221B1 Process for hydroxymethylation
11/02/1988CN88101781A Process for preparing iodinated substituted aromatic compounds
11/01/1988US4782174 Process for the preparation of certain pairs of enantiomers of α-cyano-3-phenoxy-4-fluorobenzyl permethrate
11/01/1988CA1244031A1 Process for preparing nitroxyls of sterically hindered amines
11/01/1988CA1244023A1 Amination of conjugated dienes
10/1988
10/25/1988US4780559 Reacting quaternary phosphonium bifluoride with organic halides
10/25/1988CA1243689A1 Process for the desulphurisation of mercaptans
10/20/1988WO1988007986A2 Compounds useful particularly for radiotherapy or imaging of cancer
10/19/1988EP0287007A2 Process for cleaving aliphatic ether compounds
10/18/1988US4778940 Reacting iodine in presence of oxygen over zeolite catalyst
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
10/12/1988EP0164619B1 2,4,5-trihalo or 2,3,4,5-tetrahalo benzene derivatives and process for producing them
10/11/1988US4777301 Contacting with non-zeolitic molecular sieve
10/11/1988US4777291 Using n-methyl-3-(2-methylphenoxy)-3-phenylpropylamine
10/06/1988WO1988007513A1 Improved vapor phase bromination of aromatic compounds
10/06/1988WO1988007512A1 Process for preparing iodinated aromatic compounds
10/06/1988WO1988007510A1 Liquid phase isomerization of iodoaromatic compounds
10/06/1988WO1988007509A1 Process for preparing iodinated substituted aromatic compounds
10/05/1988EP0285175A1 Asymmetric photochemical reaction process
10/05/1988EP0284873A2 Silylation method
10/04/1988CA1242742A1 2,4,5-trihalogeno- and 2,3,4,5-tetrahalogenobenzene
09/1988
09/28/1988EP0283660A2 Process for the preparation of asymmetrical ketones
09/28/1988EP0283615A1 Rhodium-containing hydrogenation catalysts
09/27/1988US4774338 Preparation of optically active azole derivatives
09/27/1988US4774331 Process for ortho-cyanation of phenols or phenylamines
09/21/1988EP0283309A2 1,2-1,4 Addition reaction sequence leading to diphenylacetylenes
09/21/1988EP0283270A2 Processes using a phosphorus complex
09/21/1988EP0282962A2 Process for increasing the yield of light-initiated reactions using gas discharge lamps
09/21/1988EP0282542A1 Process for the production of alkylene or cyclically linked compounds.
09/20/1988US4772755 1,2-1,4 addition reaction sequence leading to disubstituted acelylenes
09/20/1988US4772727 Nona-2,8-diene-1-ol, stereospecific epoxidation, multistage
09/14/1988EP0281627A1 Process for reducing aldehydes or ketones
09/06/1988US4769486 Method for racemizing an optically active amino acid
08/1988
08/31/1988EP0280403A1 Process for dearylation of alkylenebisphenols and alkyltrisphenols
08/31/1988EP0280383A1 Process for intermediates for insecticidal compounds
08/31/1988EP0280285A2 Process for making and isolating (R)-2-hydroxy 4-phenylbutyric acid and esters
08/31/1988EP0279844A1 RESOLUTION OF dl-METHYL 3- 4-(2-HYDROXY-3-ISOPROPYLAMINO)PROPOXY]PHENYLPROPIONATE (dl-ESMOLOL)]
08/30/1988US4767880 With alkali metal alcoholate, phenolate, hydroxyphenoxypropionate or hydroquinone salt
08/30/1988CA1241336A1 Process for the preparation of arylalkanoic acids by oxidative rearrangement of arylalkanones
08/23/1988US4766220 Process for the preparation of optically active aryloxyalkanoic acid compounds
08/23/1988US4766208 Method of performing an oxidation reaction
08/17/1988CN88100615A Hydrolysis of activated olefinic ketones and aldehydes
08/16/1988US4764642 Process for preparing optically active alpha-haloalkyl-aryl-ketones
08/16/1988US4764641 Transforming caronyl compound with tartaric acid, halogenating
08/16/1988US4764635 Aromatization process
08/16/1988US4764498 Silica-containing shaped articles and a process for their preparation
08/11/1988WO1988005771A1 Hydrolysis of activated olefinic ketones and aldehydes
08/11/1988WO1988005767A1 Hydrogenation process
08/10/1988EP0277620A2 Process for the preparation of optically active beta-methyl choline
08/09/1988US4762943 Aromatization process
08/09/1988CA1240450A1 Removal of iodide compounds from non-aqueous organic media
08/09/1988CA1240335A1 Process for selective hydrogenation of c-c double bonds in the presence of reducible, nitrogen- containing groups and new ruthenium complex compounds
07/1988
07/28/1988WO1988005436A1 Process for the preparation of compounds with antiulcer action
07/27/1988EP0275528A1 Process for preparing 1,1-disubstituted ethylene derivative
07/27/1988EP0275400A1 Process for the preparation of substituted dihydroxybenzenes
07/26/1988US4760204 Process for deodorizing isopropyl alcohol
07/26/1988US4760183 Process for the preparation of aromatic dialkylamines
07/26/1988CA1239646A1 Tartaric acid monoesters of optically active alkanols and alkanolamines, method for their preparation and their use
07/19/1988US4758546 Preparation of catalysts, and their use in hydrogenation and amination reactions
07/19/1988US4758543 Dehydrogenation catalyst
07/19/1988US4758445 Process for the production of isohumulones
07/19/1988CA1239408A1 Process for isolating levamisole from tetramisole
07/06/1988EP0273316A2 Stereoconvergent process for preparing optically active carboxylic acids
07/05/1988CA1238923A1 Optically-active di[3-chloro-2-oxy- propyltrimethylammonium]-tartrate
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
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