Patents for C07C 319 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides (8,304) |
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07/18/1990 | EP0378463A1 Process for the desallylation of N-allylanilines and N,N-diallylanilines with metals |
07/18/1990 | EP0377634A1 Process for the preparation of aryl sulfides. |
07/18/1990 | EP0377625A1 Preparation of derivatives |
07/12/1990 | CA2007570A1 Process for deallylating n-allylanilines and n-n-diallylanilines using metals |
07/10/1990 | US4940812 5-substituted aminophenols |
07/04/1990 | CN1043499A Process for preparing perhaloalkylthioethers |
07/03/1990 | US4939302 Using acid ion exchange resin catalyst |
07/03/1990 | US4939295 Process for the preparation of intermediates for the synthesis of diltiazem |
07/03/1990 | US4939291 Process for the preparation of mercaptoethansulfonic acid and sodium salt thereof |
07/03/1990 | US4939172 Novel cyclopropane carboxylates |
06/27/1990 | EP0374497A1 Polybutanediol(1,4)w,w'bismercaptans and their preparation |
06/26/1990 | US4937385 Process for the manufacture of dialkyl disulfides and polysulfides |
06/20/1990 | EP0374061A1 Process for the preparation of perhalogen alkyl thio ethers |
06/20/1990 | CN1008441B Method for eliminating reentry disulfides in mercaptan extraction |
06/13/1990 | CN1042897A Alkylation of polycyclic aromatic compounds to alkylates enriched in para-substituted isomers |
06/12/1990 | US4933481 Synthesis of organic polysulphides |
06/12/1990 | CA1270263A1 Purification of (hydrocarbylthio) aromatic amines |
06/06/1990 | EP0371508A1 Phenoxy and phenylthio, amino substituted benzocycloalkane derivatives in the treatment and prevention of drug-resistant protozoal infections |
06/05/1990 | US4931587 Process for the optical resolution of a racemic acid |
06/05/1990 | US4931579 Indicators for the detection of thiol groups |
06/05/1990 | CA1269995A1 Process for the preparation of liquid 2-hydroxy- methylthiobutyric acid |
05/31/1990 | WO1990005718A1 Preparation on ortho-(alkyl- or arylthio)phenols |
05/30/1990 | EP0370446A2 Curable epoxy resin compositions containing polyalkylene dithiols and polyamines |
05/30/1990 | EP0370445A2 Polytetrahydrofurandithiols and their use |
05/30/1990 | EP0370357A1 Process for producing 3-iminonitriles |
05/29/1990 | US4929772 Process for preparing polyhalogenated carbinols |
05/29/1990 | CA1269665A1 Amine dealkylation process |
05/23/1990 | EP0369728A1 Haloalkylation of aromatic compounds |
05/23/1990 | EP0369074A1 Preparation of ortho-(alkyl-or arylthio) phenols |
05/23/1990 | EP0329521B1 Process for the preparation of tertiary mercaptans from homopolymers of isobutene |
05/23/1990 | EP0188484B1 Procedure for producing stearyl-beta-(3,5-dibutyl-4-hydroxyphenyl)propionate and bis-(beta(3,5-dibutyl-4-hydroxybenzyl)-methyl-carboxyethyl)sulphide |
05/23/1990 | CA2003425A1 Polytetrahydrofuran-dithiols and their use |
05/22/1990 | US4927972 Reacting with hydrogen sulfide in the presence of an acid catalyst |
05/22/1990 | US4927541 Process for refining amino acids |
05/16/1990 | EP0368697A1 2-Methyl-5-t-butyl thiophenol, its preparation and use |
05/16/1990 | EP0368287A1 Process for preparing hydroxylated amines |
05/14/1990 | CA2000958A1 Haloalkylation of aromatic compounds |
05/10/1990 | CA2001801A1 Process for preparing hydroxylated amines |
05/09/1990 | EP0367508A1 Mercaptoalkyl acetoacetates, use thereof and a process for the preparation of mercaptoalkyl acetoacetates |
05/09/1990 | EP0367033A1 S-Difluoromethylhomocysteines, preparation process, and insecticidal compositions |
05/08/1990 | US4923643 Antimony mercaptide esters and methods of preparing the same |
05/03/1990 | WO1990004580A1 Aryloxyaldehydes and their manufacture |
05/02/1990 | CN1041738A Process for preparing sulfur solvent compositions |
05/01/1990 | US4922014 Process for the preparation of oxethylmercaptobenzaldehydes and their oxidation products |
05/01/1990 | CA1268480A1 Dithiol synthesis |
04/25/1990 | EP0364703A2 Process for preparing sulfur solvent compositions |
04/24/1990 | US4920222 Reacting a benzophenone and an acetamide in presence of sodium tertiary alcoholate |
04/24/1990 | US4920135 Nonphytotoxic, interfere with metamorphosis |
04/21/1990 | CA2001151A1 Aryloxyaldehydes and their manufacture |
04/17/1990 | US4918224 Acetylating with acetonitrile; basification to supply cation |
04/17/1990 | US4918223 Method of preparing N-acylated mercapto-alpha-amino acids |
04/17/1990 | US4918221 Process for preparing 2,5-dichlorophenylthioglycollic acid |
04/11/1990 | EP0363263A1 Process for the preparation of propionic-acid derivatives |
04/11/1990 | CN1041153A New prodn tech for cystine |
04/10/1990 | US4916157 Acylated naphthylamines as plant fungicides |
04/04/1990 | EP0361995A1 Process for the preparation of diarylsulfide or diarylselene compounds |
04/04/1990 | EP0361790A1 Process for producing alkylthio or arylthiophenones |
04/03/1990 | US4914244 Process for preparing difluorochloromethoxybenzenes |
03/28/1990 | EP0360633A1 Polysulphurised olefin composition, its preparation and its use as an additive in lubricants |
03/28/1990 | EP0360351A1 Process for the preparation of cyclopentene, cyclopentane and cyclohexane derivatives |
03/28/1990 | CN1007350B Process for degradation of alkyl polysulfide to polysulfide of low sulfur |
03/27/1990 | US4912262 Reacting a cyclohexane-1,3,5-trione compound with a acylnitrile in presence of a base and Lewis acid |
03/27/1990 | US4912257 Process for preparation of aqueous solutions of 2-hydroxy-4-methylthio butyric acid |
03/27/1990 | US4912249 Esters of 3-tert-butyl or 3-tert-butyl-5-alkyl-4-hydroxylphenyl(alkane) carboxylic acids |
03/20/1990 | CA1266950A1 Method and apparatus for multipolymer synthesis systems |
03/14/1990 | EP0358574A1 Process for the preparation of adamantane-1 derivatives |
03/14/1990 | EP0357610A1 Insecticidal cyclopropyl-substituted di(aryl) compounds. |
03/14/1990 | EP0274934B1 Process for the preparation of mercaptoalcohols |
03/13/1990 | US4908469 2-Hydroxy-propanoic acid acyclic alkyl esters for benzothiazepines |
03/06/1990 | CA1266485A1 Trisubstituted benzoic acid intermediates |
02/28/1990 | EP0356366A1 A process for the preparation of N-sulfamyl-propionamidine derivatives |
02/28/1990 | EP0356318A1 Process for the synthesis of organic polysulfides |
02/28/1990 | EP0356137A2 Carbonates of 3-demethylthiocolchicine and N-acyl analogs |
02/27/1990 | US4904661 Phenol derivatives |
02/20/1990 | US4902835 Fluorinated butene derivatives and methods for their preparation |
02/20/1990 | US4902826 Process for the preparation of 2-arylthiobenzoic acids |
02/20/1990 | US4902436 Reacting mixture of phenol, dihydric alcohol and alkaline earth metal oxide (or hydroxide); distilling by-products; carboxylation;sulfurization |
02/14/1990 | EP0354460A1 Process to produce organosulfur compounds |
02/13/1990 | CA1265821A1 Process for the degradation of alkyl polysulfides into lower sulfur polysulfides |
02/07/1990 | EP0353538A2 Process for the preparation of intermediates for the synthesis of diltiazem |
02/06/1990 | US4898983 Preparation of aryl carbonyl compounds |
02/06/1990 | US4898982 Preparation of diaryl ethers and diaryl sulfides |
02/06/1990 | US4898981 Heteroatom containing perfluoroalkyl terminated neopentyl glycols and compositions therefrom |
02/06/1990 | US4898980 Process for preparing dithiobisphenols |
02/06/1990 | US4898977 Processes for the preparation of 5-amino-4-hydroxyvaleric acid derivatives |
02/06/1990 | US4898973 Trisubstituted benzoic acid intermediates |
01/31/1990 | EP0352744A1 Process for preparing organothioalkanols |
01/31/1990 | EP0352456A1 Process for the preparation of alpha, beta-unsaturated ketones |
01/30/1990 | CA1265146A1 2-alkyl or aralkyl thio 1-cycloalkene 1-carboxamides and their sulfoxides; process for preparing the same and their use for synthesizing 4,5-tri and tetramethylene 4-isothiazolin-3-ones |
01/25/1990 | WO1990000543A1 Aminoacetonitrile derivatives |
01/24/1990 | EP0351954A1 Improved process for the preparation of dihalobenzene disulfone compounds |
01/23/1990 | US4895952 Surfactants |
01/23/1990 | CA1264763A1 Process for the preparation of diphenyl ethers |
01/17/1990 | CN1038821A Low polymer obtained from polyethoxylated fatty amine, process of preparation and uses in improved surface characterestic of polymers thereof |
01/10/1990 | CN1038639A Process for preparing optical naphthothiazepines |
01/03/1990 | EP0349488A1 Process for preparing dithiobisphenols |
01/03/1990 | EP0349380A1 Esters comprising a dithioacetal, their preparation and their use in the stabilization of organic compounds |
01/02/1990 | US4891448 Acidic mordenite catalyst |
01/02/1990 | US4891445 Synthesis of tertiary mercaptans from isobutylene homopolymers |
12/27/1989 | EP0348350A1 Heteroatom containing perfluoroalkyl terminated neopentyl glycols and polymers therefrom |