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8802704 Oxadiazole derivatives  
The invention relates to oxadiazole compounds of formula I. The compounds are useful e.g. in the treatment of autoimmune disorders, such as multiple sclerosis.
8071824 Method for producing alkenylnitrobenzene derivatives unbranched in the 1′-position  
The present invention relates to a process for preparing alkenylnitrobenzenes and alkylanilines, which are of significance as intermediates for fungicidally active alkylanilides.
7906684 Antioxidants  
The present invention relates to the use of compounds of the formula (I) where R stands for [lacuna] with radicals defined in the description, as antioxidants, to corresponding novel compounds and...
7745664 Processes for preparing venlafaxine and venlafaxine hydrochloride of form I  
A process for preparing venlafaxine in a high yield as well as processes for producing venlafaxine hydrochloride of form I having a very high polymorphic purity are described.
7678792 Compositions and methods for modulating c-kit and PDGFR receptors  
The invention provides compounds and pharmaceutical compositions thereof, which are useful as protein kinase inhibitors, as well as methods for using such compounds to treat, ameliorate or prevent...
7183443 Process for the preparation of enantiomerically enriched compounds  
Process for the preparation of enantiomerically enriched amino aldehydes and amino alcohols, wherein a corresponding enantiomerically enriched amino nitrile is subjected to hydrogenation in the...
7166337 Liquid-crystal composition, methods of adjusting the resistance, and substituted phenols  
The present invention relates to liquid-crystal mixtures having specific resistance values, comprising acidic compounds. The present invention furthermore relates to liquid-crystal displays...
6977315 Process for producing optically active nitroalcohols  
The present invention relates to a process for producing optically active β-nitroalcohols wherein nitroaldol reactions of aldehydes and nitroalkanes are carried out in the presence of a base and...
6943257 Process for preparation of aromatic halides from aromatic amines  
The present invention provides a process for preparing an aromatic bromide or aromatic iodide from an aromatic amine derivative using nitrite anion and halodimethylsulfonium halide generated in...
6924400 Triaromatic vitamin D analogues  
The invention relates, as novel and useful industrial products, to triaromatic compounds, which are vitamin D analogues, of general formula (I): and also to a method for preparing them and to...
6815443 5-Amino-1-pentene-3-ol substituted derivatives  
The invention relates to 5-amino-1-pentene-3-ol substituted derivatives, a method for the production thereof, medicaments containing said compounds, the use of substituted 5-amino-1-pentene-3-ol...
6476277 Process for preparing hydroxyaromatics  
The present invention relates to a process for preparing hydroxyaromatics by oxidizing aromatics with dinitrogen monoxide in the gas phase in the presence of nanocrystalline zeolites.
6462241 Process for preparing benzothiophenecarboxamide derivatives  
A process for preparing a compound having PGD2 antagonism represented by the formula (I), or a pharmaceutically acceptable salt or hydrate thereof, which process comprises reacting an amino...
6255522 Process for reducing α-amino ketones  
The present invention has its objects to provide a method for reducing α-aminoketone derivatives under mild conditions with high stereoselectivity. This invention is a method for reducing...
6207865 Method for the hydrogenation of carbonyl compounds  
A carbonyl compound or a mixture of two or more carbonyl compounds is catalytically hydrogenated in the presence of a Raney copper catalyst in the form of nuggets.
6057482 Process for producing benzyl acetate and benzyl alcohol  
Benzyl alcohol of high purity is produced by supplying benzyl acetate, water and acetic acid to a hydrolysis reactor packed with a solid acid catalyst. The liquid reaction mixture produced, which...
6037505 Enantioselective oxazaborolidine catalysts  
The anantoselective borane reduction of prochiral ketones to optically pure alcohols is effectively achieved by performing the reduction in the precence of catalytic amounts of the new and...
5895824 Preparation of polyether polyols containing aromatics  
In a process for preparing polyether polyols containing aromatics by molecular addition of alkylene oxides to H-functional initiators at from 70° C. to 135° C. and pressures of from 0.1 MPa to 1.0...
5874647 Benzene hydroxylation catalyst stability by acid treatment  
A zeolite catalyst for hydroxylating benzene to phenol is treated hydrothermally with a gas comprising approximately 1-100 mole percent water at a temperature between approximately 350°-950° C.,...
5874654 Purification of mixtures of nitroaromatic compounds by removing nitrocresols therefrom  
Environmentally-polluting nitrocresol values are removed from admixtures of nitroaromatic compounds comprised thereof, notably the media of nitration of aromatic compounds by reacting same with...
5856576 Aryne intermediates and a process for the preparation thereof  
There are provided aryne intermediates of formula I, useful in the manufacture of herbicidal compounds. ##STR1## Also provided is a method to prepare the formula I intermediates via the palladium...
5841001 Process for the preparation of optically active 2-halo-1-(substituted phenyl) ethanol  
The present invention provides an industrially advantageous process for the preparation of an optically active 2-halo-1-(substituted phenyl)ethanol useful as medicines, agricultural chemicals or...
5830920 Sulfuric acid esters of sugar alcohols  
Compounds of the formula ##STR1## wherein n1 -n9 are each independently 0 or 1; m1 -m9 are each independently 0 or 1, but with the proviso that at least one of m1, m2 and m3, at least one of m4,...
5750802 (1R*, 2S)-1-phenyl-2-nitroalcohols and method for producing same  
A 1-phenyl-2-nitroalcohol of the formula I ##STR1## having a (1R*,2S*) stereoisomer and a (1R*2R*) stereoisomer is produced by reacting benzaldehyde with a nitroalkane in the presence of an amine...
5492917 Endothelin antagonists incorporating a cyclobutane  
Novel compounds of the general structural formula I: ##STR1## have endothelin antagonist activity and are therefore useful in treating cardiovascular disorders, such as hypertension, pulmonary...
5414148 Preparation of p-nitrophenolic compounds  
p-Nitrophenolic compounds, e.g., p-nitrophenol itself, are selectively prepared by (a) reacting a phenolic compound with a nitrosating agent in the presence of sulfuric acid, the concentration of...
5393776 Tocotrienol analogs in the treatment of hypercholesterolemia and hyperlipidemia  
This invention relates to structurally novel acyclic tocotrienol analogs, which are useful for cholesterol/lipid lowering in cases of hypercholesterolemia and hyperlipidemia, and for...
5223614 New quaternary ammonium compounds, their preparation and use  
Compounds of formula ##STR1## wherein the substituents are defined hereinbelow, useful in the treatment of bronchospasm are described.
5218073 Polyhydroxy urethanes formed by reaction of reduced sugars and organic diisocyanates  
Polyhydroxy urethanes prepared from reduced sugars of the formula Cx H2(x+1) Ox where x is 4, 5 and 6 and diisocyanates are disclosed. There is a molar excess of 1.5 and preferably 2.0 of the...
5200535 Cyclohexanone derivatives  
The invention provides cyclohexanone derivatives of the general formula ##STR1## in which n represents an integer from 0 to 5; each R represents a halogen atom, nitro, cyano, hydroxyl, alkyl,...
5164515 Chemical compounds  
A novel class of protecting compounds, particularly for amino acids, is based on 2,2 di nitrophenyl ethan- groups, particularly the groups wherein the nitro is in the para position. The ethyl...
5143915 Dihydropyrimidine macrocyclic lactones useful as calcium antagonists and agonists  
A compound of the formula ##STR1## (symbols defined in the specification), its 3,4-dihydropyrimidine tautomer form and pharmaceutically acceptable salts thereof have calcium entry blocking...
5064564 Optically active compound, intermediate therefor, process for producing the intermediate, and liquid-crystal composition  
The present invention discloses an optically active compound represented by the following general formula (I): ##STR1## wherein R1 represents an alkyl, alkoxyl, or alkoxyalkanoyloxy group which...
4962198 Process for the hydroxylation of electrophilic aromatic compounds  
The invention relates to a generally applicable process for the hydroxylation of electrophilic aromatic compounds, according to which the electrophilic aromatic compounds are reacted with organic...
4940822 Substituted benzenemethanol compounds, intermediates thereof, and preparation thereof  
Compounds of the formula: ##STR1## wherein R1 is hydrogen, halo, halo-substituted alkyl, alkyl, cycloalkyl, aralkyl, aryl, heterocyclic, alkoxy, alkaryl, aryloxy, thioalkoxy, nitro, or...
4933505 Method of preparing stereospecific nitroaldols  
A method of controlling the diastereoselectivity of the nitroaldol reaction by the use of titanium, zirconium and aluminum based Lewis acids is disclosed. In a preferred embodiment, the reaction...
4808632 Fluoranthene derivatives  
The present invention relates to compounds of formula (I) ArCH2 R1 (I)or a monomethyl or a monoethyl ether thereof (the compound of formula (I) including these ethers may contain no more than 30...
4778935 Fluorinated nitro- and aminoalcohols  
Fluorinated nitroalcohols of the formula (I) ##STR1## process for their preparation by reaction of fluoronitroalkane of the formula (II) ##STR2## with a carbonyl compound of the formula (III)...
4719236 Perylene derivatives  
The present invention relates to compounds of formula (I) ArCH2 R1 (I)or a monomethyl or a monoethyl ether thereof (the compound of formula (I) including these ethers may contain no more than 30...
4594459 Preparation of p-isopropenyl phenol and related compounds  
Prepare p-isopropenyl phenol and other alkenyl aromatic compounds by contacting a dihydroxydiphenyl alkane or a related substituted diaromatic alkane with an alkaline catalyst and at least one gas...
4581377 Fluorene derivatives  
Compounds of formula I below are useful as anti-inflammatory, analgesic and/or anti-pyretic agents: ##STR1## in which R1 is hydrogen, nitro, amino, hydroxyl, alkoxy of one to four carbon atoms,...
4581178 Addition of aldehydes to organic compounds having a carbon-hydrogen bond activated by a nitro or nitrile group  
Low valent transition metal complexes containing small cone angle phosphine or arsine ligands efficiently catalyze addition of aldehydes to compounds or groups having a C--H bond activated by a...
4520007 Anti-coagulants of the 4-hydroxycoumarin type and rodenticidal compositions (baits) comprising such anti-coagulants  
Compounds having blood-anticoagulant properties of the general molecular formula: ##STR1## in which Z represents a halogen atom, preferably a chlorine atom, and n is 0, 1 or 2 and R4 represents...
4497966 Process for the preparation of nitrophenylalkanols  
Nitrophenylalkanols are prepared by hydroxyalkylation of nitrotoluene(s) by the reaction with an aldehyde in the presence of a solid catalyst prepared by depositing an alkali metal compound on an...
4482736 Herbicidally active substituted phenoxycinnamic acid derivatives  
Herbicidally active compounds of the formula ##STR1## in which R1 represents a hydrogen or chlorine atom, R2 represents a hydrogen atom, a cyano group, an optionally substituted radical selected...
4465833 Process for preparing ethynylated benzoic acid derivatives  
A novel ethynylation process is disclosed which provides an expanded series of novel ethylnyl-terminated aromatic compounds having base sensitive substituents and which facilitates the economic...
4435605 Process for preparation of 2-phenylethyl alcohols from aromatic aldehydes  
The invention is a process for the preparation of a 2-phenylethyl alcohol which comprises contacting an aromatic aldehyde with carbon monoxide and hydrogen in a solvent comprising an oxygenated...
4379765 Pyrazolobenzazepines  
There are presented compounds of the formulas ##STR1## wherein R1 is hydrogen or lower alkyl; R2 and R3 are selected from the group consisting of hydrogen, lower alkyl, C2 to C7 carboxylic acids,...
4374293 Indene production from aromatic olefins  
Allylbenzene is converted to indene by means of a tungsten-containing catalyst.
4327228 3-Nitro-1-phenyl-1-(m-chlorophenyl)-propan-2-ol.  
A process for the preparation of 3-dimethylamino-1-phenyl-(m-chlorophenyl)propan-2-ol and its salts which comprises the Raney nickel catalysed reduction of...

Matches 1 - 50 out of 113 1 2 3 >