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Matches 551 - 600 out of 5,505

Document Document Title
WO/2008/125452A1
The present invention refers to a catalyst for the manufacture of methyl mercaptan from carbon oxides comprising Mo and K compounds and oxides or sulfides of metals chosen from the manganese group. The improvement of the present process ...  
WO/2008/116321A1
This invention relates to compositions of one or more compounds that incorporate one or more allyl sulfide, allyl disulfide or allyl polysulfide moieties, or one or more allyl sulfide, allyl disulfide or allyl polysulfide moieties and on...  
WO/2008/118925A2
A process and graded catalyst bed for selectively producing methyl mercaptan from methanol. The methanol is reacted with hydrogen sulfide, in the presence of a graded catalyst bed containing at least three types of nickel or cobalt molyb...  
WO/2008/117839A1
Disclosed are a novel polyvalent hydroxy compound and an epoxy resin, each of which can be represented by the general formula (1) below. The resin is excellent in close adhesion to a material of a different kind, and enables to obtain a ...  
WO/2008/111414A1
Disclosed is a catalyst composition comprising a fluoride of iron or cobalt and a nitrogenated heterocyclic compound represented by the general formula (1A) or (1B). (1A) or (1B) wherein R1 and R2 independently represent a substituted or...  
WO/2008/110698A2
The invention relates to a method for preparing polyfluorinated sulphanylamides of formula (I) and polyfluorinated sulphinamidines of formula (II), wherein R1-R4 are defined as in the claims, and for preparing the precursors of same.  
WO/2008/098810A2
The invention relates to a method for the continuous production of alkyl mercaptan by reacting an educt mixture containing dialkyl sulfides and dialkyl polysulfides, with at least one molar excess of hydrogen sulfide at a higher temperat...  
WO/2008/092533A1
The invention relates to a method for producing acrolein from glycerine using a solid acid catalyst containing tungsten compounds and further promoters. Furthermore, a method, in particular, for producing methylmercaptopropionaldehyde fr...  
WO/2008/087330A2
The present invention relates to a sulphidation agent for a hydroprocessing catalyst that provides a faster sulphidation of the catalyst and also significantly reduces solid deposits, essentially sulphur. The sulphidation agent of the pr...  
WO/2008/078563A1
Disclosed is a process for producing 3-benzyloxybenzenthiol of the formula (3), comprising the steps of: reacting a 3-benzyloxy halobenzene represented by the general formula (1) with metal magnesium to produce a Grignard reagent represe...  
WO/2008/074677A1
The present invention relates to a process for the preparation of 1 -(2-cthyl-butyl)-cyclohexanecarboxylic acid which is useful as an intermediate in the preparation of, pharmaceutical active compounds, comprising reacting cyclohexanecar...  
WO/2008/066033A1
Disclosed is a process for producing an industrially useful alkylthio-substituted benzene derivative by using an aqueous solution of an alkali metal salt of a lower alkanethiol which is available at a low cost. Specifically disclosed is ...  
WO/2008/061871A1
The present invention relates to ketomethionine ketals or hemiketals and their derivatives and also their preparation and their use as fodder additives, in particular for the nutrition of ruminants.  
WO/2008/061427A1
Disclosed are dihydrazide compounds having formula (I) or (II), wherein R1-R4 are alkylene, substituted alkylene, aryl or polyether radical. The preparation and uses for producing medical hydrogel and medicine controlled releasing carrie...  
WO/2008/059213A1
A method of producing polysulfides comprising the step of adding elemental sulphur to an allicin-containing plant extract. In preferred embodiments, the plant extract is mechanically treated members of the genus Allium, especially garlic...  
WO/2008/050726A1
A novel fused-ring aromatic compound which is either a fused-ring aromatic compound comprising a benzodichalcogenophenobenzodichalcogenophene (BXBX) skeleton and an aromatic ring located outside thereof or a fused-ring aromatic compound ...  
WO/2008/050730A1
[PROBLEMS] To provide an industrial process for ester compound production which is friendly to the environment. [MEANS FOR SOLVING PROBLEMS] The process for producing an ester compound is characterized by using a nonvolatile acid catalys...  
WO/2008/047694A1
An aromatic amine compound (I) having an amino group at Position-2 and a halogen atom, a nitro group or the like at Position-1 is reacted with an O-alkyl dithiocarbonate to produce a corresponding 2-mercaptobenzothiazole compound (II). T...  
WO/2008/046801A2
The invention relates to a method for producing thiols by adding hydrogen sulphide to at least one unsaturated terpene, the reaction being carried out in the presence of at least one organic ion exchanger. The invention also relates to t...  
WO/2008/044628A1
Disclosed is a process for synthesizing a desired peptide thioester by using a readily available compound within a relatively short period under such conditions where any side reaction is hardly caused. In the method, a peptide chain is ...  
WO/2008/031637A1
The invention is directed to a method to prepare a Mo containing supported catalyst comprising TeO2 as active promoter and a process for preparing methanethiol in the presence of said catalyst.  
WO/2008/022953A1
The invention relates to a method for producing compounds of formula (I) by reacting compounds of formula (II) with thiolates (RS)nM. The invention further relates to a method for producing compounds of formula (II) from y-butyrolactone.  
WO/2008/020488A1
Compounds of carboxylated disulfide amine salt represented by the formula: (I) (wherein each of R1, R2 and R3 independently is hydrogen or a C1-C20 organic group optionally having a heteroatom and/or substituent; and X is a C2-C20 organi...  
WO/2008/019927A1
The present invention relates to the production of α-hydroxy ketones of the general formula I. Particularly, the present invention relates to new imidazolinium carboxylate adducts, as well as a new method for the use of catalyzed amount...  
WO/2008/020604A1
Disclosed is a compounding agent for rubber vulcanization which is composed of an amine salt compound of a carboxylic acid group-containing disulfide represented by the formula (I) below. Also disclosed are a method for manufacturing suc...  
WO/2008/010609A1
A process for producing a 2-hydroxy-4-(methylthio)butyrate compound represented by the formula (2): wherein A is a hydrogen atom or a group represented by R-CH2-, wherein R is a hydrogen atom or an alkyl group, which comprises the step o...  
WO/2008/006657A1
The invention relates to a method for producing alkylmercaptans by the catalytic gas-phase conversion of alkanols and hydrogen sulfide on alkali tungstates, wherein the conversion is carried out in at least two successive reaction zones ...  
WO/2008/006276A1
A type of novel compounds having the symmetric structure of formula I, which can inhibit the congregation and fibrosis of β-amyloid protein, their pharmaceutically accepted salts, and preparation methods thereof. The pharmaceutical comp...  
WO/2008/006977A1
The present invention relates to a process for preparing an aqueous solution of HMTBN, from acrolein, without isolating intermediate products, characterized in that: - in a first step, a reaction (1) is carried out between acrolein (2) a...  
WO/2008/004544A1
A process for the production of an alcohol compound represented by the formula (III), comprising reacting a phenol represented by the formula (I) with a haloalcohol represented by the formula (II) in a biphase system composed of a water-...  
WO/2008/004543A1
A process for the production of an alcohol compound represented by the formula (III), comprising reacting a phenol represented by the formula (I) with a haloalcohol represented by the formula (II) in a biphase system composed of a water-...  
WO/2007/145241A1
Disclosed is a polymerization accelerator composed of a specific thiol compound. Also disclosed are a curable composition excellent in thermal stability, which contains such a polymerization accelerator, and a cured product obtained from...  
WO/2007/129450A1
Disclosed is a process for production of a (poly)thiol compound for use as an optical material. The process comprises reacting an organic (poly)halogen compound or a (poly)alcohol compound with thiourea to produce an isothiuronium salt a...  
WO/2007/129449A1
Disclosed is a method for producing a polythiol compound for optical materials, wherein a 2-mercaptoethanol having a bis(2-hydroxyethyl)disulfide content of not more than 0.5% by weight is reacted with an epihalohydrin compound, thereby ...  
WO/2007/122810A1
A process for the production of mercaptocarboxylic esters of pentaerythriol by reacting pentaerythritol with a mercaptocarboxylic acid having a content of thioester formed by condensation of two molecules of the acid of 5% or below (in t...  
WO/2007/118010A1
The present invention is directed (i) to a method for the preparation of a compound of formula (8) by condensing the compound of formula (7) with acetone and (ii) to a method for the preparation of a compound of formula (13) by alkylatin...  
WO/2007/103221A2
The invention encompasses processes for preparing intermediates, such as (R)-modafinic acid and its C1-2 alkyl ester, and the conversion of the intermediates into armodafinil. In particular, the invention concerns: (i) a process for the ...  
WO/2007/096034A1
A process for preparing 3,4-disubstituted phenylacetic acids of the formula (I) in which X is fluorine, chlorine, bromine or iodine and R is C1-C4-alkylthio, C1-C4-alkylsulfonyl or C1-C4-alkylsulfoxide, starting from a 2-halo-C1-C4-alkyl...  
WO/2007/093772A1
The present invention relates to a method of making monomers of the formula X=C (H) -Y-S02-CH2-CH (R) -OH which comprises reacting a compound of the formula Q-Y-S02-CH2-CH (R) -OH with a vinyl-containing organometallic reagent comprising...  
WO/2007/086054A2
A novel process of preparing allyl-containing asymmetric disulfides, and particularly therapeutically active allyl-containing asymmetric disulfides such as allylmercaptocaptopril (CPSSA) is disclosed.  
WO/2007/085514A2
Method for producing L-methionine, D-methionine and/or any mixture of L-methionine and D-homoserine, by chemical conversion of L-homoserine or D-homoserine or corresponding mixtures of L-homoserine and D-homoserine, without going through...  
WO/2007/083843A1
Disclosed are an aromatic compound having a perfluoroalkyl group and a gelatinizing agent for organic liquids which is composed of such an aromatic compound. Only a small amount of this gelatinizing agent is capable of gelatinizing a lar...  
WO/2007/071428A2
Organic compounds are described, which are capable of forming quaternary salts, quaternary salts thereof with a structure having general formula (I) and their use for the control of phytopathogen fungi.  
WO/2007/070496A2
A process and catalyst blend for selectively producing mercaptans and sulfides from alcohols. The alcohol is reacted with hydrogen sulfide, in the presence of a catalyst blend containing a hydrotreating catalyst and a dehydration catalys...  
WO/2007/066845A1
Provided is a process for preparing thiophenol derivatives, using aromatic disulfide as a starting material, and inexpensive sodium bisulfite (NaHSO3) as a reducing agent. The process can be carried out on an industrial scale at low prod...  
WO/2007/066844A1
Provides is a process for preparing aromatic disulfide using aromatic sulfonyl chloride as a starting material and via aromatic sulfonate as an intermediate. The process of the present invention secures industrially advantageous reaction...  
WO/2007/054767A2
A communication system that transfers digital data on a fixed frequency channel of a radio frequency band in the presence of interference from at least one FHSS interference source includes a time diversity generation circuit. The time d...  
WO/2007/054771A2
The present invention relates to an improved process for the preparation of Cilastatin Sodium of formula (I). The present invention also provides an isolation technique for Cilastatin acid from the reaction mixture.  
WO/2007/052001A2
A process for the preparation of a compound of formula (I) in which Y is absent or represents methylene, and X is O or S which comprises reacting a compound of formula (II) with a compound of formula (III) in which Y is absent or represe...  
WO/2007/052329A1
Pentaerythritol which contains none of the alkali metals and alkaline earth metals or which contains at least one of these in a total amount of 1.0 wt.% or smaller is reacted with a mercaptocarboxylic acid to produce a pentaerythritol me...  

Matches 551 - 600 out of 5,505