ClassID:

92666

C07C227/34 - CPC Classification

Classification description:

Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton; Preparation of optical isomers by separation of optical isomers

Recent Application in this class:
#1
20210179538
2021-06-17

METHOD FOR PRODUCING 2-OCTYLGLYCINE ESTER HAVING OPTICAL ACTIVITY

#2
20210163695
2021-06-03

Chiral resolution method mimicking magnetic beneficiation and the magnetic nano-inhibitors for selective enrichment

#3
20190345098
2019-11-14

Method for resolution of baclofen salts

#4
20190233456
2019-08-01

Method for synthesizing novel chiral ligand, metal chelate, a variety of non-natural amino acids, maraviroc and key intermediate thereof

#5
20190211150
2019-07-11

PEGYLATED RESOLVING AGENTS FOR IMPROVED RESOLUTION OF RACEMIC MIXTURE

#6
20190047941
2019-02-14

Process for electrochemical separation of enantiomers of an amino acid from a racemic mixture

#7
20180118648
2018-05-03

5-substituted-5-hydroxy-5-aryl-3-oxo-pentanoate derivatives and their enantiopure forms

#8
20170114003
2017-04-27

Method for the preparation of beta-substituted gamma-amino carboxylic acids

#9
20160039744
2016-02-11

Process for preparing lacosamide

#10
20160039743
2016-02-11

Compound, optical resolution method, and derivative of an optical isomer of an amino acid

#11
20150094485
2015-04-02

Process for the preparation of optically pure fesoterodine derivatives

#12
20150065716
2015-03-05

Compound, optical resolution method, and derivative of an optical isomer of an amino acid

#13
20150045575
2015-02-12

Process for preparing fluoroleucine alkyl esters

#14
20150005530
2015-01-01

L-ENANTIOMERS SELECTIVE MEMBRANE FOR OPTICAL RESOLUTION OF ALPHA-AMINO ACIDS AND PROCESS FOR THE PREPARATION THEREOF

#15
20140094624
2014-04-03

Methods for producing bicyclic compounds via iminium salt

#16
20140018577
2014-01-16

Process for preparing lacosamide

#17
20130338392
2013-12-19

METHOD OF PRODUCING OPTICALLY ACTIVE 1-AMINO-2-VINYLCYCLOPROPANE CARBOXYLIC ACID ESTER

#18
20120245379
2012-09-27

Process for the preparation of enantiomerically pure -leucine

#19
20120142949
2012-06-07

PROCESS FOR PREPARING PREGABALIN

#20
20120071685
2012-03-22

Method for producing bicyclic γ-amino acid derivative

#21
20120016157
2012-01-19

Method for obtaining optically pure amino acids

#22
20120015443
2012-01-19

Chiral selectors and stationary phases for separating enantiomer mixtures

#23
20110263896
2011-10-27

Process for enantioseparation of chiral systems with compound formation using two subsequent crystallization steps

#24
20110144383
2011-06-16

PROCESS FOR PREPARING (S)-3-(AMINOMETHYL)-5-METHYLHEXANOIC ACID

#25
20110130587
2011-06-02

Process for preparing R-beta-amino phenylbutyric acid derivatives

#26
20110124909
2011-05-26

NOVEL PROCESS

#27
20110118503
2011-05-19

Methods for the production of L-carnitine

#28
20110105783
2011-05-05

Process for the preparation of fesoterodine

#29
20110098502
2011-04-28

Process for resolving S-3-(aminomethyl)-5-methylhexanoic acid

#30
20110040101
2011-02-17

Alanine racemase chiral binaphthol derivative with powerful hydrogen bond donor, and optical resolution and optical transformation methods using the same

#31
20100312010
2010-12-09

Process for the Preparation of (S)-Pregabalin

#32
20100048947
2010-02-25

PURIFICATION METHOD OF 4-HYDROXYISOLEUCINE

#33
20090229352
2009-09-17

Chiral selectors and stationary phases for separating enantiomer mixtures

#34
20090143615
2009-06-04

Process for the Preparation of (S)(+)-3-(Aminomethyl)-5-Methylhexanoic Acid

#35
20090023931
2009-01-22

Alanine racemase chiral binaphthol derivative with powerful hydrogen bond donor, and optical resolution and optical transformation methods using the same

#36
20080305530
2008-12-11

Production of (R)- and (S)-4-(1-aminoethyl) benzoic acid methyl ester sulfate by lipase acylation of racemic 4-(1-aminoethyl) benzoic acid methyl ester and sulfuric acid precipitation

#37
20080255367
2008-10-16

Process for the preparation and isolation of the individual stereoisomers of 1-amino, 3-substituted phenylcyclopentane-carboxylates

#38
20080132579
2008-06-05

Preparation of levalbuterol hydrochloride

#39
20080021244
2008-01-24

Levalbuterol hydrochloride Polymorph A

#40
20080015385
2008-01-17

Preparation of (S)-pregabalin-nitrile

#41
20070185346
2007-08-09

Kit for automated resolving agent selection and method thereof

#42
20070032658
2007-02-08

Production method of optically active dephenylalanine compounds

#43
20060293536
2006-12-28

Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids

#44
20060276659
2006-12-07

Process for preparation of perindopril and salts thereof

#45
20060041163
2006-02-23

Process for the production of optically active 3-phenylisoserine

#46
20060014947
2006-01-19

Process for producing benzoxazine derivative and production intermediate thereof

#47
20050272821
2005-12-08

Levalbuterol hydrochloride Polymorph A

#48
20050267216
2005-12-01

Levalbuterol hydrochloride polymorph B

#49
20050261368
2005-11-24

Enantiomerically pure (R)-albuterol dibenzoyltartrate and protected analogs thereof

#50
20050171359
2005-08-04

Process for the preparation of enantiomerically enriched amino acids

#51
20050027119
2005-02-03

Process for producing benzoxazine derivative and production intermediate thereof

#52
20050020849
2005-01-27

Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids

#53
14121223
2015-09-01

Optically active valine complex and a method for producing the same