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7585988 Salt of (2S, 3S) -3- [[(1S) -1- isobutoxymethyl-3-methylbutyl] carbamoly] oxirane-2-carboxylic acid  
The invention relates to purification of (2S,3S)-3-[[(1S)-1-isobutoxymethyl-3-methylbutyl]carbamoyl]o xirane-2-carboxylic acid [hereinafter, referred to as the carboxylic acid] using the salt of...
7078543 Methods for producing oxirane carboxylic acids and derivatives thereof  
The invention relates to processes for preparing oxiranecarboxylic acids and derivatives thereof, in particular to processes which proceed under stereochemical control of the reaction steps, to the...
7060471 Stereoselective chemoenzymatic process for the preparation of optically enriched phenylglycidates as precursors of taxol side chain  
The present invention relates to a novel and efficient chemoenzymatic process of preparation of optically active trans alkyl phenylglycidates. The invention particularly discloses a novel process...
6921832 Optically active fluorine-containing compounds and processes for their production  
Optically active fluorine-containing compounds of the formula (1): or of formula (2): are used for producing optically active 3,3,3-trfluoro-2-hydroxy-2-methylpropionic acids.
6787657 Optically active epoxypropionate derivative, intermediate thereof and processes for their production  
An optically active epoxypropionate derivative of the following formula (1): wherein symbol * represents optically active carbon. Also disclosed is an optically active epoxypropionate derivative...
6500971 Ester compounds having alicyclic and oxirane structures and method for preparing the same  
An ester compound of formula (1) is provided. R 1 is H or methyl, R 2 is tertiary C 4-20 alkyl, and k=0 or 1. A resist composition comprising as the base resin a polymer resulting from the...
6403638 2,4-pentadienoic acid derivatives having selective activity for retinoid X (RXR) receptors  
Compounds having the formulas below, where R is H, lower alkyl, or a pharmaceutically acceptable salt, and where R 1 represents i-propyl, t-butyl or n-butyl groups, have selective RXR retionoid...
6228955 Asymmetric epoxides, their synthesis and use  
A process for preparing an optically-enriched chiral epoxide of formula I ##STR1## wherein R 1 , R 2 and R 3 are each independently selected from H, R, R--CO-- and R--O--CO--, each R...
6187936 Process for the enzymatic kinetic resolution of 3-phenylglycidates by transesterification with aminoalcohols  
A process for the preparation of I: ##STR1## in which R and R1 have the meanings reported in the description, that comprises the enzymatic kinetic resolution by transesterification with...
6153589 2,3-epoxy alcohols, acids and derivatives as anti retroviral chemotherapeutic agents  
The present invention is related to compounds, compositions and methods of treating viral infections. Compounds of the present invention have the following general formula: ##STR1## wherein R is...
6143909 Selective epoxidation process for preparing pharmaceutical compounds  
Cryptophycin compounds possessing a β-epoxy moiety may be made with high stereoselectivity at various steps in the overall synthetic process. This invention also provides novel intermediates...
6025506 Process for preparing an optically active phenylglycidyl acid derivative  
The invention relates to a process for preparing an optically active trans-compound having formula (1), in which R represents a phenyl group, whether or not substituted, preferably p-methoxyphenyl,...
6013666 Oxirane carboxylic acid derivative and its manufacturing method  
5985919 (Het)aryloxy-, -thio- , aminocrotonates, methods of preparing them and their use as insecticides and fungicides  
(Het)aryloxy-, -thio- and -aminocrotonates of the formula I ##STR1## where the substituents have the following meanings: U is oxygen, sulfur or amino; V is oxygen, sulfur, amino or alkylamino; ...
5932752 Process for the C-C bond forming reaction using solid acid catalysts  
A process for the preparation of organic compounds through C--C bond forming reaction which comprises reacting a diene with a dienophile in the presence of solid acid based on either yttrium,...
5843992 Epoxysuccinic acid derivatives  
An epoxysuccinic acid derivative having the following formula: ##STR1## wherein R 1 is hydrogen, alkyl, aryl, or aralkyl; each of R 2 and R 3 independently is aryl, aralkyl or alkyl; X is --O--...
5811458 Phenyl propane derivatives as antibiotics and lipoxygenase inhibitors  
The invention relates to phenyl propane derivatives of the general formulae: ##STR1## or their mixtures, in which R 1 and R 2 are a branched or straight-chained alkyl residue of the general...
5786489 Transformations of taxol  
A method for esterifying C13 deoxy taxoid intermediates employs three steps, i.e., oxygenation of the C13 deoxy taxoid intermediate to produce a C13 enone taxoid intermediate; reduction of the C13...
5679708 Epoxysuccinic acid derivatives, their production and use  
The present invention relates to a compound of the formula: ##STR1## wherein R 1 stands for an optionally esterified or amidated carboxyl group, X stands for an optionally substituted divalent...
5677298 Benzoxazepine-2-one compounds and their use  
Disclosed is a squalene synthetase inhibitor which comprises the compound represented by the formula (I) ##STR1## wherein R 1 stands for H or an optionally substituted hydrocarbon group; R 2 and...
5599651 (Cyclo)aliphatic epoxy compounds  
Novel (cyclo)aliphatic epoxy compounds that contain at least one acrylate group in the molecule and at least one cycloaliphatic epoxy group can be used for the production of coating formulations,...
5569774 Process for the preparation of chlorine-substituted olefins  
Chlorine-substituted olefins I ##STR1## (R 1 =organic radical; R 2 =--CN, --CO--R 3 , --CO--S--R 3 , --CO--O--R 3 --CO--N(R 4 ,R 5 ); R 3 =organic radical; R 4 , R 5 =H, organic radical) are...
5556853 Epoxysuccinic acid derivatives  
A compound of the general formula: ##STR1## wherein R 1 represents a carboxyl group which may optionally be esterified or amidated; R 2 represents a cyclic group which may optionally be...
5508251 Herbicidal methods and compositions comprising epoxy compounds  
A method of combating undesired plant growth at a locus is disclosed, the method comprising applying to the locus a compound of general formula: ##STR1## where R 1 and R 2 independently represent...
5502221 Process for producing cyclohexylbutyric acid derivative  
A process for for producing a (2R,3S)-cyclohexylnorstatine or a salt thereof is disclosed, which comprises the steps of: enantioselectively hydrogenating a 4-cyclohexyl-2-halogeno-3-oxobutyric acid...
5296618 Method for the manufacture of the derivatives of propionic acid  
A method is provided for supplying the desired optical isomer of a derivative of epoxypropionic acid from a racemix mixture. A representative derivative of epoxypropionic acid is an ester of...
5256803 Process for the preparation of (2R,3R)-cis)-β-phenylglycidic acid  
A method for preparing β-phenylglycidic-(2R, 3R) acid optionally in the form of salt or ester by precipitation of the salt of the β-phenylglycidic-(2R,3R) acid with (+)-α-methylbenzylamine-(R)...
5208353 Intermediates for preparing epoxy esters  
This invention relates to a process for preparing epoxy esters, and intermediates prepared by this process, in particular, to a process which produces non-racemic epoxy esters which are of use as...
5185149 Methods for thrombolytic therapy  
Certain Factor XIIIa inhibitor compounds have been discovered which have been found to be useful in the lysis of blood clots and thus adaptable for administration in thrombolytic therapy either...
5110959 Process for preparation of epoxy esters and intermediates prepared thereby  
This invention relates to a process for preparing epoxy esters, and intermediates prepared by this process, in particular, to a process which produces non-racemic epoxy esters which are of use as...
5097058 Process for the synthesis of the α-(-methyl-ethyl)-3,4-dimethoxybenzene-acetonitrile  
New process for the synthesis of the α-(1-m.ethylethyl)-3,4-dimethoxyacetonitrile of formula (I): ##STR1## which is known as an intermediate in the synthesis of the drug internationally known as...
5084582 Oxidation of epoxy alcohols into carboxilic epoxy acids  
The invention relates to a method of oxidizing epoxyalcohols, in a medium containing an organic solvent and water, by means of a solid oxidizing compound, in the presence of a catalyst based on a...
5081240 Process for the preparation of benzothiazepin-one derivatives  
The object of the invention is a process for the preparation of the trans(-) (2R,3S) diastereoisomer of the glycidic esters of general formula: ##STR1## wherein a chlorohydrin of general formula:...
5008411 Glycidic acid ester and process of preparation  
A process for the preparing a compound of the formula ##STR1## wherein R 1 and R 2 are each independently hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, halogen,...
4999048 Method for reducing pesticide drift  
A method for reducing pesticide drift caused by crystallization of a pesticide from a pesticide spraying formulation. Crystallization of a pesticide from a pesticide spraying formulation is...
4988459 Use of optically active oxirane-2-carboxylic acid esters as dopants in liquid-crystal mixtures, liquid-crystal mixtures containing same and novel optically active oxirane-2-carboxylic acid esters  
Optically active oxirane-2-carboxylic acid esters with a mesogenic molecular component suitable as dopants in liquid-crystal mixtures. They result in liquid-crystalline ferroelectric phases with...
4937253 Ester prodrugs  
This invention relates to ester prodrugs for alkanoic acid compounds useful as leukotriene antagonists, and pharmaceutical compositions containing such ester prodrug compounds. This invention also...
4908469 2-Hydroxy-propanoic acid acyclic alkyl esters for benzothiazepines  
In general, the present invention provides, in one aspect, a process comprising contacting a 2-Aminothiophenol with an optically active 3-(4-alkyloxyphenyl)glycidic acid acyclic alkyl ester by...
4810705 Triazolo [3,4-b]pyridazines, process for their preparation and pharmaceutical compositions containing them  
The invention relates to 1,2,4-triazolo [4,3-b]pyridazines substituted in the 7-position of formula: ##STR1## in which R represents hydrogen, a lower alkyl group, a phenyl group, a chlorophenyl...
4794108 1-carboxymethoxy acetidinones and their production  
A 2-azetidinone derivative having a group of the formula ##STR1## wherein R 1 and R 2 are the same or different and each represents a hydrogen atom, alkyl, aryl or arylalkyl which may have a...
4788306 Fluorooxirane carboxylates as hypoglycemic agents  
There are disclosed compounds of the formula ##STR1## wherein R 1 and R 2 are each, independently, hydrogen, hydroxy, lower alkyl, lower alkoxy, haloloweralkyl, haloloweralkyl sulfonyl, halo or...
4732910 Enzyme Inhibiting substance  
A substance is provided which has strong enzyme inhibitory activity against thiol proteases such as papain, ficin, bromelain, etc. and which is represented by the following formula: ##STR1##...
H000049 Process for producing 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxyl ates  
Disclosed is a Wittig-type process for preparing 3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropan ecarboxylates which comprises reacting 1,1,1-trichlorotrifluoroethane with...
4570013 Biphenylylalkanoic acid derivatives, methods of preparation and pharmaceutical compositions therefrom  
Novel compounds of formula ##STR1## are described which have antipyretic, analgesic and antiinflammatory activity. R is hydrogen, C 1 -C 3 linear or branched alkyl; R 1 and R 2 are hydrogen,...
4556677 Alkane and alkene derivatives and their use  
The invention provides novel compounds of the formula ##STR1## wherein R 1 is hydrogen, hydroxy, alkoxy of 1 to 4 carbon atoms, benzyloxy, allyloxy, 2,3-epoxypropoxy, methoxymethoxy,...
4552695 Process for production of diltiazem hydrochloride  
New route to diltiazem hydrochloride of the formula: ##STR1## in which the starting cinnamyl alcohols are epoxidized by a special asymmetric synthesis followed by a series of stereospecific...
4499294 Process for production of methyl 2-tetradecylgycidate  
An improved process for producing the hypoglycemic compound, methyl 2-tetradecylglycidate, by reacting methyl α-chloropalmitate with lithium methoxide in the presence of formaldehyde in a dipolar...
4483994 Process for the production of alkylene carbonates and oxides  
A process for the production of alkylene carbonates, such as propylene carbonate, is disclosed. The process involves reacting the desired olefin with a thallic oxide or a weak acid thallic salt...
4474800 Epoxysuccinyl amino acid derivatives  
An epoxysuccinyl amino acid derivative of the formula ##STR1## wherein R 1 is hydrogen, alkali metal, benzyl or cycloalkyl having 5 to 6 carbon atoms, R 2 is alkyl having 3 to 4 carbon atoms, R 3...
4443619 Chlorocitric acids  
The present invention relates to chlorocitric acids of the formula ##STR1## and stereoisomers, optical antipodes and pharmaceutically acceptable salts thereof, to methods of preparation thereof,...
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