- COPPER PROTECTIVE AGENT
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A copper protective agent is provided. The copper protective agent is represented by a general formula (GI): HS—R (GI); and R is a linear or branched alkyl group having 1 to 20 carbon atoms.
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Paragraph 0036-0037
(2019/05/24)
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- METHOD FOR TREATING ANXIETY WITH MUSCARINIC CHOLINERGIC RECEPTOR AGONISTS
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The present invention relates a method for treating anxiety using azacyclic and azabicyclic pyrazine compounds.
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- Use of azacyclic or azabicyclic pyrazine compounds for treating anxiety
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The present invention relates a method for treating anxiety using azacyclic and azabicyclic pyrazine compounds.
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- Studies on the Reaction of Iron Sulphide with 2-Methylpropan-1-ol in Vapour Phase
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Sulphur elimination from synthetic and natural iron sulphide (FeS2) by reaction with 2-methylpropan-1-ol in vapour phase at 350-500° and 0.1-1.0 atm partial pressure of alcohol, is reported. Sulphur is eliminated mainly as alkyl sulphide and hydrogen sulphide. Kinetic model based on the theory of nucleation with branching and overlapping of nuclei best explains the experimental results. Kinetic parameters for the reaction have also been calculated.
- D'Souza, Ita M.,Banerjee
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p. 185 - 187
(2007/10/03)
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- HIGH-TEMPERATURE ORGANIC SYNTHESIS. INVESTIGATION OF THE MECHANISM OF PYROLYSIS OF DIORGANIC SULFIDES BY THE CHLOROBENZENE TRAP METHOD
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The copyrolysis of various diorganic sulfides with chlorobenzene in the gas phase at 600-650 deg C was investigated.The degree of conversion of the chlorobenzene, which is a trap for thiyl radicals, increases with increase in the reaction temperature and depends significantly on the nature of the sulfide.The copyrolysis of chlorobenzene with branched dialkyl sulfides (secondary and tertiary) takes place more slowly than the reaction with the corresponding di(n-alkyl) sulfides.Alkyl vinyl sulfides are similar to the latter in reactivity.Ethyl β,β-dichlorovinyl sulfide and bis(ethylthio)acetylene have low reactivity.The main products from copyrolysis of all the diorganic sulfides with chlorobenzene are benzene, thiophenol, diphenyl sulfide, thiophene, and benzothiophene.The ratio between the products depends on the nature of the initial sulfide and an the temperature.The ratio between the thiophene and benzothiophene makes it possible to form an opinion about the mechanism of the formation of thiophene during the pyrolysis of the sulfides.Several paths were determined for the formation of the thiophene molecule through the thiyl radicals, and they supplemented the known mechanism of the pyrolysis of dialkyl sulfides, i.e., intermolecular cyclization of ethenethiol, intramolecular cyclization of butenethiol, cyclization of divinyl sulfide, and thermal dissociation of bis(ethylthio)acetylene.Intramolecular heterocyclization of the thiyl radicals is realized at a higher rate than intermolecular cyclization.
- Voronkov, M. G.,Deryagina, E. N.,Sukhomazova, E. N.,Mirskova, A. N.,Seredkina, S. G.
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p. 1453 - 1458
(2007/10/02)
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- A Method for the Simultaneous Preparation of Alkyl Isothiocyanates and Thiols
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Aus primaeren Alkylaminen wurden Ethyl-, Butyl-, Isobutyl- und n-Dodecyldithiocarbamate 2 hergestellt.Letztere lassen sich leicht zu den Isothiocyanaten 3 und Thiolen 4 pyrolisieren.Die Massenspektren der Ester sowie deren Pyrolyseprodukte wurden gemessen.
- Blotny, Grzegorz
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p. 1927 - 1932
(2007/10/02)
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- Cephalosporin displacement reaction
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The present invention is directed to a process for the displacement of the acetoxy group of a cephalosporanic acid by a sulfur nucleophile, in an organic solvent and under essentially anhydrous conditions.
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- Antimicrobial composition and method containing N-(3,5-dihalophenyl)-imide compounds
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Novel N-(3,5-dihalophenyl)imide compounds, which exhibit a strong antimicrobial activity against microorganisms including phytopathogenic fungi, parasites of industrial products and pathogenic microorganisms, represented by the formula, STR1 wherein X and X' each represent halogens and A represents a substituted ethylene such as chloroethylene, C1 - C4 alkylthioethylene, C1 - C2 alkyl-ethylene or 1,2-di-C1 - C2 -alkyl-ethylene, a cyclopropylene such as 1,3-dimethylcyclopropylene, trimethylene, a cyclohexylene-1,2-, cyclohexenylene-1,2-, cyclohexadienylene-1,2- or o-phenylene. The N-(3,5-dihalophenyl)imide compounds can be obtained by any of methods which produce imide compounds or reaction of an N-(3,5-dihalophenyl)maleimide compound with a mercaptan, a hydrogen halide, phosphorus chloride or thionylchloride.
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- 3-Aryl-2-halothiopropionic acid s-esters
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Novel 3-aryl-2-halothiopropionic acid compounds of the formula STR1 wherein X is chlorine or bromine, R1 is hydrogen, a salt-forming cation, an aliphatic radical or a substituted aliphatic radical wherein the substituent is halogen, haloalkyl, hydroxy, alkoxy, alkoxy-carbonyl or aryl, R2 is hydrogen, halogen or alkyl R3 is hydrogen or alkyl n is an integer from 0 to 3; and R4 is halogen, alkyl, haloalkyl or nitro and wherein the radical R4, when n is 2 or 3, may be the same or different, Are outstandingly effective herbicides, exhibiting particularly selective action.
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