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| Patent # | Description |
|---|---|
| US-5,536,877 |
Preparation of arylbenzylamines A process for the preparation of arylbenzylamines by the reaction of arylamines with a benzyl chloride, wherein the reaction is carried out in the presence of... |
| US-5,536,876 |
Formylamino-aminophenol compounds and their use in preparation of
fiber-reactive formazan dyes Fiber-reactive formazan dyes are prepared by diazotizing a protectively formylated hydroxyphenylenediamine, coupling with a hydrazone compound, metallizing,... |
| US-5,536,875 |
Enhanced oxidation of organic chemicals Organic chemical oxidation reactions are carried out using pure or nearly pure oxygen and evaporative cooling. Advantageous operating results are achieved... |
| US-5,536,874 |
Process for preparing arylacetic acid and arylpropionic acid derivatives There is provided a process for preparing an arylacetic acid or arylpropionic acid divative from an arylcarbinol which comprises the step of subjecting said... |
| US-5,536,873 |
Preparation of pentenoic acid 3-pentenoic acid or the R ester of pentenoic acid is produced by treating pentenoyl chloride in a reactive distillation zone with ROH where R is hydrogen or... |
| US-5,536,872 |
Michael addition process The reaction between a Michael donor corresponding to the formula Z--CH(E)(E') (e.g., a dialkyl malonate) and a Michael acceptor corresponding to the formula... |
| US-5,536,871 |
Pourable liquid polyesteramide rheological additives and the use thereof A liquid, pourable rheological additive expecially useful for thickening liquid organic compositions which comprises the reaction product of a defined... |
| US-5,536,870 |
Process for preparing olefins A process for preparing olefin compounds of the formula ##STR1## where A is aryl, substituted aryl, heteroaryl, substituted heteroaryl, benzyl, substituted... |
| US-5,536,869 |
Process for the preparation of ethyl
3S-[4-[[4-(aminoiminomethyl)phenyl]amino]-1,4-dioxobutyl]amino]-4-pentyn
... The present invention relates to a novel process for the preparation of ethyl 3S-[[4-[[4-(aminoiminomethyl)phenyl]amino]-1,4-dioxobutyl]amino]-4-pentyno ate... |
| US-5,536,868 |
Opiate receptor ligands Compounds of Formula 1 bind to the opioid receptors: ##STR1## wherein R.sub.1 is a group of the formula ##STR2## where W is --(CH.sub.2).sub.a --... |
| US-5,536,867 |
Process for the manufacture of dicarboxamides The present invention is directed to a process, and novel intermediates used in the manufacture of, dicarboxamides of the formula I ##STR1## wherein A, G,... |
| US-5,536,866 |
Triarylamine-based dinitrile and dicarboxylic acid monomers Triarylamino-based dinitrile and dicarboxylic acid monomers as represented by the formula: ##STR1## wherein Z is --CN or --COOH and R is selected from the... |
| US-5,536,865 |
Process for the preparation of 5,6-dihydroxyindole and intermediate
compounds Process for the preparation of 5,6-dihydroxyindole, wherein the compound of formula: ##STR1## in which R' denotes a hydrogen atom or an optionally... |
| US-5,536,864 |
Process for producing dimethyl carbonate and apparatus suitable for such
purpose The reaction between methanol, carbon monoxide and oxygen for preparing dimethyl carbonate, in the presence of cuprous chloride as the catalyst, is carried out... |
| US-5,536,863 |
(Pentaerythritol phosphate alcohol) (cyclic neopentylene glycol)
phosphite and phosphonate (Pentaerythritol phosphate alcohol)(cyclic neopentylene glycol) phosphite and phosphonate are disclosed as flame retardant compounds. The first named compound is... |
| US-5,536,862 |
Pentaerythritol phosphate alcohol-containing phosphonate and phosphite
compounds (Pentaerythritol phosphate alcohol)(aryl) phosphonate compounds may contain from one to three pentaerythritol phosphate alcohol groups, such as ... |
| US-5,536,861 |
Monomers for producing antimicrobial quaternary group-containing polyers Antimicrobial quaternary ammonium group-containing organosilicon polymers, aqueous disinfectant solutions containing such polymers, and lenses produced from such... |
| US-5,536,860 |
Process for preparing aminopropylalkoxysilanes in the presence of shaped
polymeric rhodium complex catalysts... Aminopropylalkoxysilanes of formula (I): are prepared by reacting hydrogensilanes of formula (II): with an amine of formula (III): where R and R.sup.1 are alkyl radicals... |
| US-5,536,859 |
Alpha-olefin catalyst and process This invention provides an improved process for the preparation of an aluminum alkyl chain growth product by the chain growth reaction of alpha-olefins on... |
| US-5,536,858 |
Tetrasulfonated diphosphine compounds and metal complexes thereof for
asymmetric catalytic reactions The invention is concerned with novel water-soluble racemic or optically active compounds of formulae ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4... |
| US-5,536,857 |
Single source volatile precursor for SiO.sub.2.TiO.sub.2 powders and
films Novel single-source volatile precursor compounds are disclosed, having the general formula where each of the six R moieties in the C.sub.3 to C.sub.6 alkyl, ... |
| US-5,536,856 |
Production of carboxylic acid ester by esterification and apparatus
thereof Esterification is carried out in a column reactor (14) in which there is a plurality of esterification trays (15) each having predetermined liquid hold-up and... |
| US-5,536,855 |
Process for preparing glycidyl esters for use in electronics adhesives Glycidyl esters are prepared to have low chlorine, chloride, sodium and potassium contamination and a thixotropic index greater than 3.0 by a process that... |
| US-5,536,854 |
Preparation of 2-methyl-1,4-butanediol and 3-methyltetrahydrofuran 2-Methyl-1,4-butanediol and 3-methyltetrahydrofuran are prepared by reacting a compound of the general formula I or II ##STR1## where R.sup.1 and R.sup.2... |
| US-5,536,853 |
Opiate receptor ligands Compounds of Formula 1 bind opioid receptors: ##STR1## wherein X and Y are each independently ##STR2## |
| US-5,536,852 |
Process for the preparation of tocopherol derivatives and catalyst A process is provided for the preparation of an .alpha.-tocopherol derivatives which are useful as antisterile vitamins, hypolipidemics, blood flow increasing... |
| US-5,536,851 |
Preparation of 2,3-dihydrofurans Disclosed is a process for the preparation of 2,3-dihydrofurans from the corresponding isomeric 2,5-dihydrofurans wherein a feed mixture comprising a... |
| US-5,536,850 |
Substance DC114-A1 The present invention relates to a novel substance DC114-A1 represented by the following formula (I): ##STR1## |
| US-5,536,849 |
Process for producing gamma-butyrolactone Gamma-butyrolactone is produced by catalytic hydrogenation of maleic anhydride in the vapor phase in the presence of copper chromite based catalysts in reduced... |
| US-5,536,848 |
Bioactive acetogenins and derivatives Novel acetogenins isolated from Asimina triloba and Goniothalamus giganteus of the family Annonaceae and derivatives of those and other acetogenins are... |
| US-5,536,847 |
4-desoxy-4-epipodophyllotoxin derivative or pharmaceutically acceptable
salt thereof A 4-desoxy-4-epipodophyllotoxin derivative of the following formula ##STR1## wherein R and R.sub.1 are as defined in the specification or a pharmaceutically... |
| US-5,536,846 |
Process for preparing bis(ether anhydrides) using alkylamine derived
bisimides having low melting temperatures A process for making bis(ether anhydrides) employs alkylamines having low melting temperatures thus allowing for novel intermediate process steps for preparing... |
| US-5,536,845 |
Acrylates containing an alcohol, aldehyde and/or ether functional group,
process for their manufacture and... Process for the preparation of the acrylates chosen from those of formula ##STR1## those of formula ##STR2## and those of the formula ##STR3## ... |
| US-5,536,844 |
Substituted dipyrromethanes and their preparation New chemical compounds, bis(pyrrol-2-yl)halocarbylmethanes, also known as meso-halocarbyl dipyrromethanes, are made by recting pyrrole in either of two reaction... |
| US-5,536,843 |
Synthesis of indoles by dehydrogenation of indolines |
| US-5,536,842 |
Purification of indigo A process for purifying indigo comprises extracting an aqueous leuco indigo alkali metal salt solution with an inert solvent under oxygen-excluding conditions... |
| US-5,536,841 |
Process for the preparation of 2-substituted
5-chloroimidazole-4-carbaldehydes A process for preparing 2-substituted 5-chloroimidazole-4-carbaldehydes of the general formula: ##STR1## In the process, a glycine ester hydrohalide is... |
| US-5,536,840 |
Process of preparing diaminopyridine compounds A process for preparing diaminopyridines of the formula ##STR1## where one of the two radicals X.sup.1 and X.sup.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl,... |
| US-5,536,839 |
(2-Imidazolin-2-yl) fused heteropyridine compounds There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling... |
| US-5,536,838 |
Method of synthesis of chromium amino acid nicotinate complex A novel synthesis of a chromium amino acid nicotinate complex which has glucose tolerance factor activity in which nicotinic acid is dissolved in an aqueous... |
| US-5,536,837 |
N-sulfonyl carboxylic amide derivative The present invention provides an N-sulfonyl carboxylic amide derivative including an N-containing 6-membered aromatic ring represented by formula [I]: ... |
| US-5,536,836 |
Process for the preparation of
2-(4-[4-(4-chloro-1-pyrazolyl)butyl]-1-piperazinyl)pyrimidine
(Lesopitron) The present invention relates to a process for the preparation of 2-{4-[4-(4-chloro-1-pyrazolyl)buty1]-1-piperazinyl}pyrimidine (Lesopitron) of formula I: ... |
| US-5,536,835 |
Etherified alkyl or arylcarbamylmethylated aminotriazines and curable
compositions containing the same Novel carbamyl-methylated aminotriazines and curable compositions comprising these aminotriazines are disclosed. The carbamyl-methylated aminotriazines are... |
| US-5,536,834 |
Cyclic ether compounds Compositions are disclosed comprising (a) a metal chelate wherein the metal is selected from the group consisting of europium, terbium, dysprosium, samarium... |
| US-5,536,833 |
Process for the preparation of intermediates useful in the preparation
of pyranyl cyanoguanidine derivatives A process for preparing compounds of the formula ##STR1## where a, b, c, R.sub.1, R.sub.2, and R.sub.3 are as defined herein including the step of... |
| US-5,536,832 |
N-acyl-2,3-benzodiazepine derivatives pharmaceutical compositions
containing them and process for preparing same The invention relates to novel N-acyl-2,3-benzodiezapine derivatives of the general formula (I), their stereoisomers and acid-addition salts, pharmaceutical... |
| US-5,536,831 |
Obtaining caprolactam by cleavage of molten polycaprolactam Caprolactam is obtained from caprolactam-containing polymers in the presence of a base under reduced pressure by depolymerizing polymers which contain the... |
| US-5,536,830 |
Process for P-nitrobenzyl ester cleavage in cephalosporin A process for converting cephalosporin p-nitrobenzyl ester (Formula I) to the corresponding cephalosporin free acid (Formula II) comprising treating the... |
| US-5,536,828 |
(E)-20 (22)-dehydrodiels-alder compounds The invention discloses Diels-Alder adducts of the following structure: ##STR1## The compounds are useful as intermediates in the production of ... |
| US-5,536,827 |
Method for preparing antitumor substance BE-13793C derivatives This invention relates to 12,13-dihydro-6H-indolo[2,3-a]pyrrolo[3,4-c]carbazole-5,7(6H)-dione derivatives represented by the following general formula,... |
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