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| Number | Title | Issue Date |
| 8163942 | Salt of (2S, 3S)-3-[[(1S)-1-isobutoxymethyl-3-methylbutyl]carbamoyl]oxirane-2-carboxylic acid The invention relates to purification of (2S,3S)-3-[[(1S)-1-isobutoxymethyl-3-methylbutyl]carbamoyl]oxirane-2-carboxylic acid [hereinafter, referred to as the carboxylic acid] using the salt of the carboxylic acid with an organic amine selected from the group consis... | 04/24/2012 |
| 7795458 | Salt of (2S, 3S)-3-[[(1S)-1-isobutoxymethyl-3-methylbutyl] carbamoyl] oxirane-2-carboxylic acid The invention relates to purification of (2S,3S)-3-[[(1S)-1-isobutoxymethyl-3-methylbutyl]carbamoyl]oxirane-2-carboxylic acid [hereinafter, referred to as the carboxylic acid] using the salt of the carboxylic acid with an organic amine selected from the group consis... | 09/14/2010 |
| 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]oxirane-2-carboxylic acid [hereinafter, referred to as the carboxylic acid] using the salt of the carboxylic acid with an organic amine selected from the group consis... | 09/08/2009 |
| 7282192 | Mixed metal oxide containing sulfur The invention relates to a composition of matter comprising at least one metal from Group 3, at least one metal from Group 4, sulfur and oxygen, particularly useful as a catalyst for ether decomposition to alkanols and alkenes. ... | 10/16/2007 |
| 7279586 | Intermediates for the hemisynthesis of taxanes and preparation processes therefor The present invention generally relates to at least one precursor compound and derivatives thereof, a process for preparing a taxane, and a baccatin derivative. ... | 10/09/2007 |
| 7169774 | Cephalotaxane derivatives and their processes of preparation and purification The present invention concerns a new general process for asymmetric hemisynthesis of harringtonines and their analogs, that are alkaloids used in chemotherapy. This process comprises direct esterification of a natural cephalotaxine with an acylating compound constit... | 01/30/2007 |
| 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 oxiranecarboxylic acids prepared according to the invention and deri... | 07/18/2006 |
| 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 for the chemoenzymatic synthesis of two enantiomers of trans alkyl phe... | 06/13/2006 |
| 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 a... | 07/26/2005 |
| 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 of the following formula ... | 09/07/2004 |
| 6500971 | Ester compounds having alicyclic and oxirane structures and method for preparing the same An ester compound of formula (1) is provided. ##STR1## R1 is H or methyl, R2 is tertiary C4-20 alkyl, and k=0 or 1. A resist composition comprising as the base resin a polymer resulting from the ester compound is sensitive... | 12/31/2002 |
| 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 R1 represents i-propyl, t-butyl or n-butyl groups, have selective RXR retionoid agonist activity. ##STR1##... | 06/11/2002 |
| 6387908 | Epoxysuccinamide derivatives Epoxysuccinamide derivatives of the formula (1): ##STR1## wherein R1 is hydrogen, alkyl, alkenyl, alkynyl, aryl, or aralkyl; R2 is alkyl, alkenyl, alkynyl, aryl, or aralkyl; R3 is hydrogen, alkyl, alkenyl, alkynyl, aryl, a... | 05/14/2002 |
| 6228955 | Asymmetric epoxides, their synthesis and use A process for preparing an optically-enriched chiral epoxide of formula I ##STR1## wherein R1, R2 and R3 are each independently selected from H, R, R--CO-- and R--O--CO--, each R independently being substantially a hydroca... | 05/08/2001 |
| 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 aminoalcohols of 3-phenylglycidates of formula I: ##STR2## is de... | 02/13/2001 |
| 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 selected from --CH2 OH, --CO2 R | 11/28/2000 |
| 6147224 | 2,4-pentadienoic acid derivatives having selective activity for retinoid X (RXR) receptors Compounds of Formula 1, Formula 2 or Formula 3 where X is O, S, or (CR1 R1)n where n is 0, 1 or 2; Y is a bivalent radical having Formula 4 or Formula 5 where o is an integer from 1 to 4 ##STR1## or Y is a bivalent ar... | 11/14/2000 |
| 6143909 | Selective epoxidation process for preparing pharmaceutical compounds Cryptophycin compounds possessing a ଲ-epoxy moiety may be made with high stereoselectivity at various steps in the overall synthetic process. This invention also provides novel intermediates useful in preparing Cryptophycin compounds.... | 11/07/2000 |
| 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, and A is derived from an optically active compound, in wh... | 02/15/2000 |
| 6013666 | Oxirane carboxylic acid derivative and its manufacturing method This invention relates to a novel oxirane carboxylic acid derivative and thereof manufacturing method. Based on thereof mechanism to inhibit the CPT I, oxirane carboxylic acid derivative of this invention has blood glucose lowering effects so that the der... | 01/11/2000 |
| 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; X, Y and Z independently of one another are .dbd.N-- or .dbd.C... | 11/16/1999 |
| 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, scandium or lanthanum supported on metal oxide supports such as... | 08/03/1999 |
| 5843992 | Epoxysuccinic acid derivatives An epoxysuccinic acid derivative having the following formula: ##STR1## ›wherein R1 is hydrogen, alkyl, aryl, or aralkyl; each of R2 and R3 independently is aryl, aralkyl or alkyl; X is --O-- or --NR4 --; ... | 12/01/1998 |
| 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 R1 and R2 are a branched or straight-chained alkyl residue of the general formula Cn H2n+1 ... | 09/22/1998 |
| 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 enone to produce an alcohol; followed by esterification of... | 07/28/1998 |
| 5679708 | Epoxysuccinic acid derivatives, their production and use The present invention relates to a compound of the formula: ##STR1## wherein R1 stands for an optionally esterified or amidated carboxyl group, X stands for an optionally substituted divalent hydrocarbon residue, R2 stands for h... | 10/21/1997 |
| 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 R1 stands for H or an optionally substituted hydrocarbon group; R2 and R3 independently stand f... | 10/14/1997 |
| 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, adhesives, photoresists or in stereolithography. As they co... | 02/04/1997 |
| 5569774 | Process for the preparation of chlorine-substituted olefins Chlorine-substituted olefins I ##STR1## (R1 =organic radical; R2 =--CN, --CO--R3, --CO--S--R3, --CO--O--R3 --CO--N(R4,R5); R3 =organic radical; R4, R | 10/29/1996 |
| 5556853 | Epoxysuccinic acid derivatives A compound of the general formula: ##STR1## wherein R1 represents a carboxyl group which may optionally be esterified or amidated; R2 represents a cyclic group which may optionally be substituted or a polar group; n is an intege... | 09/17/1996 |
| 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 R1 and R2 independently represent a hydrogen atom or an optionally ... | 04/16/1996 |
| 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 ester in the presence of a ruthenium-phosphine complex to... | 03/26/1996 |
| 5468886 | (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, adhesives, photoresists or in stereolithography. As they co... | 11/21/1995 |
| 5442105 | 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 ester in the presence of a ruthenium-phosphine complex to... | 08/15/1995 |
| 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 (p-methoxyphenyl)epoxypropionic acid. The racemic mixture initia... | 03/22/1994 |
| 5256803 | Process for the preparation of (2R,3R)-cis)-ଲ-phenylglycidic acid A method for preparing ଲ-phenylglycidic-(2R, 3R) acid optionally in the form of salt or ester by precipitation of the salt of the ଲ-phenylglycidic-(2R,3R) acid with (+)--methylbenzylamine-(R) in a solution of a mixture of salts of cis a... | 10/26/1993 |
| 5218074 | Cross-linked epoxy resins with non-linear optical properties The invention provides epoxy resins having the following structure: ##STR1## The cross-linked epoxy resins have non-linear optical properties. The group "Z" constitutes a nonlinear optical chromophone having stilbene, azo, azomethine or propargyl moi... | 06/08/1993 |
| 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 intermediates in the preparation of pharmaceutical compound... | 05/04/1993 |
| 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 alone or together with plasminogen activator.... | 02/09/1993 |
| 5183910 | Process and intermediates for chiral epoxides Chiral epoxybutyrates are prepared in high yield from novel dihydro-3R-substituted sulfonyloxy-4R-hydroxy-2-(3H)furanones via based catalyzed alcoholysis. The product chiral epoxy butyrates are useful intermediates for the synthesis of 1-carba-1-dethia ce... | 02/02/1993 |
