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| Patent # | Description |
|---|---|
| US-4,873,373 |
Process for preparation of 3-phenoxybenzyl
2-(4-alkoxyphenyl)-2-methylpropyl ethers Disclosed is a process for preparing 3-phenoxybenzyl 2-(4-alkoxyphenyl)-2-methylpropyl ethers represented by the following formula (I): ##STR1## ... |
| US-4,873,372 |
Isolation of 4,4'-dichlorodiphenyl sulfone A process for the isolation of 4,4'-dichlorodiphenyl sulfone from a mixture of dichlorodiphenyl sulfones in which the ratios of the masses of ... |
| US-4,873,371 |
Hydroxy-terminated arylene ethers, and method for making A method is provided for making certain hydroxy-terminated arylene ethers useful as spacers in liquid crystalline polyesters. There is initially formed a... |
| US-4,873,370 |
Alkylene diamines for use in friction and wear reducing compositions N,N-dialkyl-N'-(beta substituted) alkyl alkylene diamines of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are C.sub.1-4 hydrocarbon groups or ... |
| US-4,873,369 |
Purification of cyclohexanone oxime containing ammonium sulfate Cyclohexanone oxime containing ammonium sulfate is purified by a process in which cyclohexanone oxime in the molten state is passed over an acidic ion exchanger... |
| US-4,873,368 |
Process for producing acrylic acid Propylene in admixture with molecular oxygen and steam is subjected to a two-step, vapor-phase, catalytic oxidation to convert into acrolein and then into... |
| US-4,873,367 |
Method for preparing 4-hydroxy-3-phenylbenzoic acid 4-Hydroxy-3-phenylbenzoic acid is prepared by carbonation of a 2-phenylphenol alkali metal salt in the presence of a liquid N,N-dialkylcarboxamide such as... |
| US-4,873,366 |
Process for producing 2,6-naphthalenedicarboxylic acid Disclosed in the present invention is a process for producing 2,6-naphthalenedicarboxylic acid comprising oxidizing 2,6-diisopropylnaphthalene or its partially... |
| US-4,873,365 |
Process for the preparation of isophorone diisocyanate from isophorone
dicarbamyl esters using highly selective... Isophorone diisocyanate, 3-isocyanatomethyl-3,5,5-trimethylcyclohexylisocyanate (IPDI) is prepared by liquid phase thermolysis of the corresponding bis-carbamic... |
| US-4,873,364 |
Process for the preparation of methylene diphenylene diisocyanates and
polymethylene polyphenylene poly... An improved process is provided for the preparation of methylene diphenylene diisocyanates (MDI) and polymethylene polyphenylene poly (diisocyanates) by the... |
| US-4,873,363 |
Process for the preparation of 3-(4'-bromobiphenyl-4-yl)tetralin-1-one A new process for the preparation of a 3-(4'-bromobiphenyl-4-yl)tetralin-1-one known as a key intermediate for the production of rodenticides and clinical... |
| US-4,873,362 |
Preparation of 2-substituted 4-acyloxy-2-butenals 2-Substituted 4-acyloxy-2-butenals of the general formula I ##STR1## where R.sup.1 is alkyl of 1 to 12 carbon atoms which may be substituted by ... |
| US-4,873,361 |
Process for production of p-acetoxybenzoic acid from
p-acetoxyacetophenone A liquid-phase process is disclosed for oxidation of p-acetoxyacetophenone to p-acetoxybenzoic acid in high yield in a solvent in the presence of a catalyst and... |
| US-4,873,360 |
Process for the preparation of cyclopentanoids and novel intermediates
produced thereby Cyclopentanoids (I) of the formula: ##STR1## including stereoisomers are described along with a process for the preparation of I. In particular the... |
| US-4,873,359 |
Process for preparing as partyl-phenylalanine dipeptides Synthesis of phenylserine ester (a) via benzaldehyde and glycine ester using serine hydroxymethyltransferase; and (b) via methyl benzoylacetate. Synthesis of... |
| US-4,873,358 |
Preparation of nitroesters via the reaction of nitroparaffins with
cyanoformates A process to form alkyl nitroacetates by reacting, in a common solvent and in the presence of a base, a nitroparaffin and a cyanoformate. The desired product is... |
| US-4,873,357 |
Trifluoro acetyl-cyano-aniline intermediates for
dopamine-.beta.hydroxylase inhibitors Potent dopamine-.beta.-hydroxylase inhibitors having the Formula: ##STR1## which are useful to inhibit dopamine-.beta.-hydroxylase activity, pharmaceutical... |
| US-4,873,356 |
Method for preparing phosphinic acids used in preparing ace inhibitors
and intermediates produced thereby A method is provided for preparing phosphinic acid compounds, which are useful in preparing certain angiotensin converting enzyme inhibitors, which have the... |
| US-4,873,355 |
Process for regioselectively preparing phosphorylated inositols and
other cyclitols A process for regioselectively preparing phosphorylated cyclitols, in particular phosphorylated inositols such as myo-inositol 1,4,5-tris(phosphate) and... |
| US-4,873,354 |
Iodophor An iodophor having biocidal activity is disclosed which is a polyethylene glycol alkylarylsulfonate iodine complex. The complex is formed by reacting... |
| US-4,873,353 |
Preceramic compositions and ceramic products Preceramic compositions which have particular utility in providing protective ceramic coatings on carbon/carbon composites, graphite, carbon fibers, and other... |
| US-4,873,352 |
Transparent aqueous tin compound solution By reacting a tin carboxylate with hydrogen peroxide at a particular ratio in an aqueous medium, this invention provides a transparent aqueous tin compound... |
| US-4,873,351 |
Method for preparation of antimony mercaptides Antimony trioxide is reached with an organic mercaptan R.sup.1 --SH or R.sup.2 --OCO--(CH.sub.2).sub.n --SH (where R.sup.1 is an alkyl, alkenyl, aryl, aralkyl,... |
| US-4,873,350 |
Diselenobis-benzoic acid amides of primary and secondary amines and
processes for the treatment of diseases in... The present invention relates to new diselenobis-benzoic acid amides of primary and secondary amines of the general formula (I): ##STR1## and processes for... |
| US-4,873,349 |
Ruthenium catalyst for biarylic coupling; new steganolides A method for forming bridged biaryl compounds via the intramolecular oxidative biarylic coupling of precursor compounds containing two aromatic rings linked via... |
| US-4,873,348 |
Oxypricin, a new antibiotic Oxypricin, an antibiotic of the Formula (II) ##STR1## having antibiotic activity is disclosed. |
| US-4,873,347 |
Process for the preparation of the demalonyl compound of macrolide
lactones It is possible to prepare the demalonyl compound of macrolide lactones by hydrolysis in the presence of a base without a retro-aldol cleavage occurring. |
| US-4,873,346 |
Substituted benzothiazoles, benzimidazoles, and benzoxazoles The present invention provides certain novel substituted benzothiazoles, benzimidazoles and benzoxazoles which are useful as inhibitors of leukotriene... |
| US-4,873,345 |
Process for the preparation of 5'-oxa, 5'-thia, 5'-aza HMG-CoA reductase
inhibitors This invention relates to novel intermediates, and novel processes for their preparation, where said intermediates are useful in a novel preparation of 5'-Oxa,... |
| US-4,873,344 |
Cyano containing indene derivatives The present invention relates to novel indene derivatives with the general formula I: ##STR1## wherein R.sup.1 is (a) a phenyl group optionally substituted... |
| US-4,873,343 |
Process for the preparation of N-(2-chlorobenzyl)-2-(2-thienyl)
ethylamine In the process according to the invention 2-thiophene acetonitrile is reacted with 2-chlorobenzylamine and hydrogen in the presence of a hydrogenation... |
| US-4,873,342 |
Dipeptide derivative and synthesis and use thereof A novel depeptide derivative which exhibits inhibitory activity against prolyl endopeptidase and is effective for preventing and curing amnesia is disclosed. A... |
| US-4,873,341 |
White bis-imide flame retardants This invention relates to a method for preparing a white or at least near-white product which is predominant in alkylene(C.sub.1 ... |
| US-4,873,340 |
Process for preparing
5-aroyl-1,2-dihydro-3H-pyrrolo[1,2-A]pyrrole-1,1-dicarboxylates 5-Aroyl-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1,1-dicarboxylates of the formula ##STR1## are prepared from 2-halopyrroles. Hydrolysis and... |
| US-4,873,339 |
Chiral biotin precursors Imidazole derivatives of the formula: ##STR1## wherein R.sub.1 is an (R)- or (S)-1-phenylalkyl group, an (R)- or (S)-1-alkoxycarbonyl-1-phenylmethyl group... |
| US-4,873,338 |
Process for the preparation of 2-amino-5-acylamino phenols and starting
compounds suitable therefor Compounds corresponding to Formula I ##STR1## wherein R.sup.1 denotes an acyl group and X denotes hydrogen, halogen, alkoxy, aroxy, SO.sub.3 H or a heterocyclic ... |
| US-4,873,337 |
N-substituted derivatives of 2-(pyridylalkenesulfinyl) benzimidazoles as
gastric antisecretory agents The present invention provides novel N-substituted derivatives 2-(pyridylalkylenesulfinyl)benzimidazoles with gastric acid inhibiting effects. |
| US-4,873,336 |
Process for the preparation of N-vinyl lactams The invention relates to the preparation of N-vinyl lactams having the formula ##STR1## wherein n is an integer having an value of from 1 to 3 in a... |
| US-4,873,335 |
3-phenethyl-2-benzene-amides or aza-derivatives thereof Compounds of the formula: ##STR1## are produced, with the variables as indicated within. |
| US-4,873,334 |
4,7-dihydropyrazolo(3,4-b) pyridine derivatives Novel Ca-blockers, 4,7-dihydropyrazolo[3,4-b]pyridine derivatives having potent antihypertensive and coronary vasodilating actions and useful in treatment for... |
| US-4,873,333 |
Nitrogen-containing bidentate compound immobilized on a solid inorganic
carrier The invention relates to nitrogen-containing bidentate compound immobilized on a solid carrier having the formula ##STR1## wherein the symbols have... |
| US-4,873,332 |
Metal-containing indoaniline compound and optical recording medium
employing the compound A metal-containing indoaniline compound having the formula: ##STR1## wherein M is a metal atom selected from the group consisting of Ni, Cu or Co, R.sup.1... |
| US-4,873,331 |
Noradamantyl-carboxylic acid piperazinoalkyl esters The compounds of the following structural formula posses useful anxiolytic, antidepressant, antipsychotic and learning and memory enhancement properties: ... |
| US-4,873,330 |
A process for the preparation of anhydrous, stable, crystalline
delta-form of prazosin hydrochloride Anhydrous, stable, crystalline .delta.-form of prazosin hydrochloride, having an infrared spectrum in potassium bromide of FIG. 1 having the following sharp... |
| US-4,873,329 |
Alkene, alkyne or cycloalkylene derivatives A compound of the formula ##STR1## wherein X has the formula ##STR2## wherein ring A is phenyl, naphthyl or heterocyclic; wherein R.sup.1 is ... |
| US-4,873,328 |
Process for preparing alkoxyalkylidenehydrazinopyridazine derivatives A novel process for preparing alkoxyalkylidenehydrazinopyridazine derivatives which comprises reducing a novel alkoxytriphenylmethylazopyridazine derivative,... |
| US-4,873,327 |
Pesticidal benzoylurea compounds Compounds of the general formula ##STR1## in which each of A and B independently represents a halogen atom or an alkyl group; m is 0 or 1; Q represents a... |
| US-4,873,326 |
Process for the preparation of N-alkylated caprolactams This invention relates to a process for the preparation of N-alkylated caprolactams by the cyclization of N-alkylated caproic acids. |
| US-4,873,325 |
Process for the production of amides Oximes can be converted to the corresponding amides by contacting the oximes with a non-zeolitic molecular sieve, which has in its calcined form an adsorption of... |
| US-4,873,324 |
Process for chiral synthesis of 1-beta-methyl-carbapenem intermediates Compounds are disclosed of the structural formula: ##STR1## wherein R.sup.2 is independently selected from hydrogen, linear or branched C.sub.1 -C.sub.3... |
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