Patents
Patents for C07C 319 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides (8,304)
12/1989
12/27/1989EP0348254A2 Process for the preparation of norpyrethroid compounds
12/27/1989EP0347679A1 1,7-Dioxynaphthalene derivatives
12/20/1989EP0347377A2 1,2,3-Benzothiadiazole-4-carboxylic-acid derivatives as plant growth regulators
12/20/1989EP0346824A2 Process of producing high purity bis(4-hydroxyphenyl) sulfides and heat-sensitive recording materials contaning the same
12/19/1989US4888138 Substituted ammonium carbamates and method for preparing same
12/12/1989US4886912 Antiulcer, antisecretory agents
12/12/1989US4886910 Cyanoguanidine derivative and process for preparation thereof
12/12/1989US4886907 Polysubstituted derivatives of naphthalene, their process of preparation and their application in the cosmetic and pharmaceutical fields
12/12/1989CA1263862A1 Derivatives of amino-5 pentanenitril and the process for their preparation
12/06/1989EP0344737A1 Process for purifying alpha-substituted acetic acids
12/05/1989US4885385 Intense, colorfast, blue dyes for hydroxy- or polyamido-containing fibers
12/05/1989CA1263668A1 Liquid 2-hydroxy-methylthiobutyric acid and process for the preparation thereof
11/1989
11/29/1989EP0344044A1 Process for the preparation of optically active 2-aryloxy- or 2-arylthioalcanoic acids
11/29/1989EP0343798A1 Preparation of aromatic compounds and derivatives thereof
11/29/1989EP0343777A1 Thio-substituted aromatic alcohols, preparation, intermediates and use
11/29/1989EP0343474A2 Process for the preparation of optically pure aminophenylthio- and aminoaphthalenylthio-propanoic acids
11/29/1989EP0343441A2 Fluorinated bis-aryloxy-substituted alkenes, method for their production an their application
11/28/1989US4883878 Process for unsymmetrical dithioacetals and dithioketals
11/28/1989CA1263403A1 Process for preparing an ester derivative of a dihydric phenol
11/23/1989EP0342904A2 2-Hydroxy-3-(4-methoxyphenyl)-3-(2-aminophenylthio)propionic acid, 8'-phenylmenthyl ester, especially for diltiazem
11/23/1989EP0342902A2 2-Hydroxy-propanoic acid acyclic alkyl esters for benzothiazepines
11/23/1989EP0342454A1 Process for the manufacture of dialkyl disulfides and polysulfides
11/22/1989CN1037338A Improvements in or relating to organic compounds
11/22/1989CN1037331A Process for production of lower dialkyl disulphides
11/16/1989WO1989010759A1 Diaminedithiol chelating agents for radiopharmaceuticals
11/15/1989EP0341562A1 Process for preparing(+)-and(-)-beta-[(2-amino-1-naphthalenyl)thio]-alpha-hydroxy-4-methoxy-benzenepropanoic acid
11/15/1989EP0341551A1 Alkenoic acid derivatives
11/15/1989EP0341462A1 Diastereoselective process for the preparation of intermediates useful for the synthesis of peptide derivatives
11/15/1989CN1037143A N-phenyl-benzamides and n-phenyl benzamidoximes, process of preparation thereof preparation containing same and uses
11/14/1989US4880894 Quaternary ammonium salts used as phase transfer catalyst
11/14/1989US4880839 Acyanilide derivatives
11/08/1989EP0341123A2 Oligomer derivative of a polyethoxylated fat amine, process for its preparation, its use in the modification of the surface properties of polymers
11/07/1989US4879414 Polyglycidyl substituted amines and hydrogen sulfide or dithiol
11/02/1989EP0340117A1 Method of diacylation of compounds containing two aromatic rings
11/02/1989EP0339418A2 Substituted anilides of the cycloalkyl- or heterocyclyl-carboxylic acids
11/02/1989EP0339394A1 Process for the preparation of disulfides
10/1989
10/31/1989US4877902 Reacting 2,6-dialkylphenol with sulfur chloride at low temperature
10/25/1989EP0338893A2 Process for the preparation of (+)-(2S,3S)-3-(2-aminophenyl) thio-2-hydroxy-3-(4-methoxyphenyl) propionic acid methylester
10/25/1989EP0338735A1 Process for optically active 3-(methane-sulfonyloxy)thioland and analogs
10/25/1989CN1036568A Organic compounds and their pharmaceutical use
10/25/1989CN1036562A Improvements in or relating to propanaming derivatives
10/24/1989US4876389 Process for the production of organic polysulphides and catalyst system for its use
10/24/1989US4876381 Naphthalene derivatives possessing a retinoid-type action, processes for their preparation, and medicinal and cosmetic compositions containing these derivatives
10/24/1989US4876376 Halogen-fluorine exchange in hydrofluoric acid without catalyst; plant safening agents
10/18/1989EP0337839A1 Process for the preparation of lower dialkyldisulfides
10/18/1989EP0337838A1 Process for the preparation of benzyl mercaptan
10/18/1989EP0337837A1 Process for the preparation of organic disulfides and polysulfides
10/18/1989EP0337063A1 Alkyl aryl sulfones and method of preparing the same
10/17/1989US4874885 Reacting phenols with formaldehyde and mercaptans in presence of base
10/17/1989US4874877 Process for optically active 3-(methane-sulfonyloxy)thiolane and analogs
10/17/1989US4874860 Reacting a biuret with a dialkyl carbonate
10/11/1989EP0336898A2 Substituted aryl or heteroaryl diones
10/11/1989EP0336818A2 Process for refining amino acids
10/11/1989EP0336753A1 Improvements in or relating to propanamine derivatives
10/10/1989US4873351 Reacting antimony trioxide with organic mercaptan in the presence of a lower aliphatic carboxylic acid
10/10/1989US4873344 Cyano containing indene derivatives
10/10/1989US4873338 Process for the preparation of 2-amino-5-acylamino phenols and starting compounds suitable therefor
10/04/1989EP0335274A2 Formation of nitrophenyl ethers from polyols and nitroanisoles
10/03/1989US4871878 High selectivity to aldehydes using aromatic phosphine in catalyst
09/1989
09/27/1989CN1035822A Benzophenone derivatives
09/26/1989CA1261872A1 Herbicidal cyclohexane-1,3-dione derivatives
09/26/1989CA1261348A1 Method for the preparation of an aqueous solution of methionine alkaline salt
09/26/1989CA1260499A1 Acylation of naphthalenes
09/20/1989EP0333527A1 Process for the preparation of dithiols
09/20/1989EP0333291A2 Benzophenone derivatives
09/20/1989CN1035659A 3,3-diarylacrylic acid amides
09/19/1989US4868336 Catalytic oxidation of mercaptan
09/19/1989US4868310 From unsaturated nitrile and alcohol, amidation, thiolation, halogenation, cyclization
09/13/1989EP0332124A2 Process for the preparation of halogenated aromatic compounds
09/05/1989US4864058 Process for making optically active naphtho[1,2-b][1,4]thiazepin-4(5H)-ones
09/05/1989US4863949 Aminopropanol derivatives, processes for the preparation thereof, the use thereof and pharmaceutical compositions containing them
08/1989
08/30/1989EP0330527A1 Process for the preparation of aqueous solutions of 2-hydroxy-4-methylthio-butyric acid
08/30/1989CN1035105A Diacylation process for compound containing two aromatic rings
08/29/1989US4861863 Process for the production and purification of SH-terminated prepolymers and use thereof
08/23/1989EP0329521A1 Process for the preparation of tertiary mercaptans from homopolymers of isobutene
08/23/1989EP0329520A1 Process for the preparation of secondary mercaptans from linear olefins
08/23/1989EP0329256A1 Preparation of 3,3-diarylacrylic acid amides
08/23/1989EP0329093A2 Polythiols and use as epoxy resin curing agents
08/23/1989EP0328766A1 Process for the preparation of aromatic dicarboxylic acids
08/16/1989EP0328188A2 Process for unsymmetrical dithioacetals and dithioketals
08/16/1989EP0327981A1 Process for the preparation of 2-cyano-3-aminoacryl nitrile derivatives
08/16/1989CN1034714A Process for production of vulcanized olefine
08/15/1989US4857659 Stereoselective synthesis of leukotriene antagonists
08/09/1989EP0326934A1 Process for the reduction of reducible compounds
08/02/1989EP0325983A2 N-phenyl benzamides and N-phenyl benzamidoxines, process for their preparation, agents containing them and their use as pesticides
08/02/1989EP0325965A2 A process for the optical resolution of a racemic acid
08/01/1989US4853486 Method for production of dithiodialdehyde
07/1989
07/25/1989US4851541 Cyclization of 2-alkyl or aryl thio-1-cycoalkene-1-carboxamide in sulfoxide form
07/19/1989EP0324472A2 Ketenedithioacetal derivatives and processes for producing the same as well as a composition containing the same
07/12/1989EP0323915A1 Beta-hydroxyketone and its production
07/12/1989CN1033804A Novel antiarrhythmic agents 1
07/12/1989CN1033803A Mercapto-acylamino acid antihypertensives
07/11/1989US4847420 New hydroxy-thia-alkenes, and processes for their preparation and use
07/05/1989EP0323086A2 Process for preparing detergents
07/05/1989EP0322633A1 Mercapto-acylamino acid antihypertensives
07/04/1989US4845300 Synthesis of 2-(perfluoroalkyl) ethanethiols
07/04/1989US4845299 Method for the preparation of bis(hydroxyphenyl) sulfides
07/04/1989CA1256894A1 Naphtalenic derivatives, their preparation, and cosmetic composition including same
06/1989
06/29/1989WO1989005806A1 Novel antiarrhythmic agents iii
06/29/1989WO1989005796A1 Mercapto-acylamino acid antihypertensives
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