Patents for C07B 57 - Separation of optically-active organic compounds (3,737) |
---|
06/21/1988 | US4752417 Method for optical resolution of phenylacetic acid derivative |
06/21/1988 | CA1238331A1 Ethers containing organic residues with chiral atoms; process for preparing the same and their use for the resolution of alcohols or some hemiacetals |
06/15/1988 | EP0270595A1 An optically active reagent and a method for the determination of enantiomeric amine compounds. |
06/08/1988 | EP0270095A2 Packing material for liquid chromatography |
06/08/1988 | CN87106871A Optically active propanone derivative and process for producing same |
05/11/1988 | EP0266577A1 An optically active propanone derivative and process for producing the same and use thereof |
05/03/1988 | CA1236116A1 Process for the production of s(-)-3-/3-acetyl-4- (3-tert.butylamino-2-hydroxy-propoxy)-phenyl/-1,1- diethylurea and its salts |
04/19/1988 | US4739071 Transesterification rearrangement |
04/13/1988 | EP0263107A1 Chiral two-phase system and method for resolution of racemic mixtures and separation of diastereomers |
03/30/1988 | EP0261388A1 Process for the separation of diastereomers of cyclopropanecarboxylic-acid esters |
03/29/1988 | US4734507 Optically active ketals, processes for their preparation and their use in the synthesis of alpha-arylalkanoic acids |
03/23/1988 | EP0260668A2 Separation of diastereomers |
03/22/1988 | US4733001 Method for preparing a mixture of stereoisomers of α-cyano-3-phenoxybenzyl isovalerate ester derivatives having a higher insecticidal and acaricidal activity |
03/22/1988 | US4732999 Optically-active di-[3-chloro-2-oxy-propyltrimethylammonium]-tartrate |
03/22/1988 | US4732709 Racemic resolution |
03/10/1988 | WO1988001614A1 RESOLUTION OF dl-METHYL 3-[4-(2-HYDROXY-3-ISOPROPYLAMINO)PROPOXY]PHENYLPROPIONATE [(dl-ESMOLOL)] |
03/09/1988 | CN87105898A Process for preparing of n-(s-3-alkylenanthyl)-d-r-glutamoylaminoacetyl-d-alanine and intermediate |
02/24/1988 | EP0256745A2 Crystalline complex compounds of propargyl alcohols and tertiary diamines, and process of separation and purification of propargyl alcohols using the same |
02/16/1988 | CA1232910A1 METHOD OF RESOLVING BICYCLIC IMINO-.alpha.-CARBOXYLIC ACID ESTER RACEMATES |
02/09/1988 | US4724102 Optical resolution of racemic mixtures of alpha-naphthylpropionic acids and derivatives of said acids |
01/20/1988 | EP0253571A1 Process for resolution and race mization of amines with acidic alpha-hydrogens |
01/19/1988 | US4720556 3-oxabicyclo-(3,1,0)-hexan-2-ones |
01/19/1988 | CA1231718A1 Crystalline phenylacetate enantiomer pair, and preparation of a pesticidal enantiomer pair |
01/07/1988 | EP0251904A1 Process for the preparation of acidic levomepromazine maleate |
12/29/1987 | CA1230891A1 PREPARATION OF OPTICALLY-ACTIVE .alpha.-SUBSTITUTED PHENYLACETIC ACIDS |
12/22/1987 | US4714555 Agent for separation |
12/15/1987 | US4713470 Using a chloromethylated polystyrene etherified by a hydroxy-containing aromatic aldehyde |
12/15/1987 | US4713380 Production of optically pure organoboranes |
11/19/1987 | WO1987006929A1 An optically active reagent and a method for the determination of enantiomeric amine compounds |
11/17/1987 | CA1229348A1 1,7-diphenyl-3-methylaza-7-cyano-8-methylnonane for use in the treatment of diseases |
10/28/1987 | EP0242778A1 Separation of diastereo isomers |
10/20/1987 | US4701542 Resolution of hemiacetals and alcohols |
10/07/1987 | EP0240013A2 Separation agent for optical isomers, process for preparing it and use thereof |
10/06/1987 | US4698432 Process for the resolution of (±) 2-[2'-(p-fluorophenyl)-5'-benzoxazolyl]-propionic acid |
10/06/1987 | CA1227808A1 Preparation of (-)-1-(2-fluorophenyl)-2- tertiobutylamino-1-ethanol |
09/29/1987 | US4697036 Process for the preparation of optically active alpha-arylalkanoic acids and novel intermediates thereof |
09/23/1987 | EP0238044A2 Alkyl-substituted phenylcarbamate derivative of polysaccaride |
09/23/1987 | EP0237630A2 Process for the preparation of chiral glycine derivatives |
09/09/1987 | EP0235590A2 Improved process for the resolution of 1-aminoindanes |
09/08/1987 | US4692543 Optically-active di-[3-chloro-2-oxy-propyltrimethylammonium]-tartrate |
09/01/1987 | CA1226296A1 PROCESS FOR THE OPTICAL RESOLUTION OF RACEMIC MIXTURES OF .alpha.-NAPHTHYL-PROPIONIC ACIDS |
08/18/1987 | US4687871 Adsorption on a crystalline molecular sieves |
08/12/1987 | EP0231515A1 Utilisation of optically active carboalkylated amino alcohols in optical resolution |
07/28/1987 | US4683341 Optical resolution of oxycyclopentenone |
07/28/1987 | US4683245 Laevorotatory antipode of moprolol as an antihypertensive |
07/21/1987 | US4681972 Separation of diastereomers |
07/07/1987 | CA1223888A1 Process for the optical resolution of ( ) 2-(6' methoxy-2'-naphthyl)-propionic acid |
06/24/1987 | EP0226043A1 Process for the preparation of enantiomers |
06/10/1987 | EP0224902A1 Process for the preparation of D-threo-1(p-methylsulfonylphenyl)-2-dichloracetamido-propandiol-1,3-(Thiamphenicol)and use of suitable intermediate products |
06/02/1987 | US4670464 Epimerization of isomers of alpa-cyano-4-fluoro-3-penoxybenzyl 3-(z-2-chloro-3,3,3-trifluoropropen-1-yl)-2,2-dimethyl cyclopropane carboxylate |
06/02/1987 | US4670192 Optically-active di-[3-chloro-2-oxy-propyltrimethylammonium]-tartrate |
05/26/1987 | US4668796 Racemates of optically active bicyclic imino-alpha-carboxylic esters |
05/19/1987 | US4667054 Process for producing optically active valine |
04/28/1987 | US4661628 Process for the optical resolution of racemic mixtures of α-naphthyl-propionic acids |
04/21/1987 | US4659838 Method of resolving bicyclic imino-α-carboxylic acid ester racemates |
04/14/1987 | US4658043 Ethers of pantolactone |
04/07/1987 | US4656303 Novel resolution method of racemic mixture |
03/25/1987 | EP0215010A1 Insecticidal composition comprising more than one active ingredients. |
03/24/1987 | US4652672 Beta blockers |
03/17/1987 | US4650897 Organic synthesis |
03/03/1987 | US4647692 Racemization and resolution of α-amino acids |
02/10/1987 | US4642205 Diastereomer salts of phenylalanine and N-acyl derivatives thereof and process for the separation of optically active phenylalanine and N-acyl derivatives thereof |
01/21/1987 | EP0208948A2 A method for optical resolution of phenylacetic acid derivative |
01/21/1987 | EP0208758A1 Pyrethroidal composition comprising more than one active ingredients. |
01/17/1987 | CN85101840A Processes and intermediates for making 16-phenoxy-and 16-substituted phenoxy-prostatrienoic acid derivatives and their stereoisomers |
01/15/1987 | WO1987000165A1 Chiral two-phase system and method for resolution of racemic mixtures and separation of diastereomers |
12/31/1986 | CN86104832A Process for the preparation of certain pairs of enantiomers of alpha-cyano-3-phenoxy-4-fluorobenzyl permethrate |
12/30/1986 | EP0206436A2 Enzymatic production of optical isomers of 2-halopropionic acids |
12/30/1986 | EP0206283A2 Optically active pyridobenzoxazine derivatives |
12/30/1986 | EP0206149A2 Process for the preparation of specific enantiomer pairs of permethrin alpha-cyano-3-phenoxy-4-fluorobenzyl ester |
12/23/1986 | CA1215717A1 Process for converting a stereoisomeric ester into its diastereoisomer |
12/17/1986 | EP0204911A2 A new process for the optical resolution of racemic mixtures of alpha-naphthylpropionic acids |
12/10/1986 | EP0204481A2 Process for optically active threo-3-(3,4-methylenedioxyphenyl) serine |
12/09/1986 | US4627919 Resolving agent |
12/09/1986 | CA1215076A1 Resolution method of racemic mixture |
11/26/1986 | EP0202736A2 Synthesis of 3S, 4S-Boc-Statine |
11/11/1986 | US4622419 Process for the optical resolution of racemic mixtures of α-naphthyl-propionic acids |
11/11/1986 | US4622214 Method for the preparation of crystalline molecular sieve materials wherein the organic template is an enantiomer |
11/05/1986 | EP0200145A2 Process for the preparation of optically active azole derivatives |
11/04/1986 | US4621152 Process for the enantiomeric resolution of mixtures of D and L-6-methoxy-alpha-methyl-2-naphthaleneacetic acid and resolving agent for said process |
11/04/1986 | US4621151 Optical resolution of DL-cysteine |
10/28/1986 | US4619984 Modified silica gel |
10/28/1986 | US4619970 Chromatographic resoluing agent of silion gel bonded to optically active polymer |
09/24/1986 | CN85101426A Process for optically active di-(3-chloro-2-oxypropyl trimethyl ammoniuml tartrate |
09/23/1986 | US4613688 Optical resolution process for DL-cysteine |
09/23/1986 | US4613442 Of triphenylmethyl methacrylate, for optical resolution |
09/16/1986 | US4612121 Separation material, methods of producing a separation material and use of orosomucoid, functional analogs thereto or derivatives or fragments thereof for separation purposes |
09/09/1986 | US4610828 Resolved from dl-carnitine using dibenzoyl-l(+)tartaric acid; medicine |
09/09/1986 | US4610827 Amino acid complex and a method for optical resolution of a DL-amino acid |
09/02/1986 | US4609764 Chromatography, racemization, epimerization |
08/19/1986 | CA1210014A1 Diastereomers of 1-ethyl-2-aminomethyl pyrrolidine |
08/05/1986 | US4604207 Packing materials for chromatographic use and a method for analysis of an enantiomer mixture using the same |
08/05/1986 | CA1209161A1 Method for the resolution of racemic 2-cp- difluoromethoxyphenyl)-3-methylbutyric acid |
07/31/1986 | WO1986004216A1 Insecticidal composition comprising more than one active ingredients |
07/31/1986 | WO1986004215A1 Pyrethroidal composition comprising more than one active ingredients |
07/23/1986 | EP0188235A2 Production of optically pure organoboranes |
07/22/1986 | US4601987 Lipase catalyed assymetric esterification |
07/15/1986 | US4600785 Processes and intermediates for making 16-phenoxy and 16-substituted phenoxy-prostatrienoic acid derivatives |
07/08/1986 | US4599444 Process for the separation of isomeric cyclopropane-carboxylic acids |
07/02/1986 | EP0186133A2 Optical resolution of oxycyclopentenone |