ClassID:

92659

C07C227/20 - CPC Classification

Classification description:

Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters by hydrolysis of N-acylated amino-acids or derivatives thereof, e.g. hydrolysis of carbamates

Recent Application in this class:
#1
20260092031
2026-04-02

METHOD FOR PREPARING 2-HYDROXYETHYL AMINOCAPROATE COMPOUND AND USE THEREOF

#2
20250215465
2025-07-03

ENANTIOSELECTIVE METHODS FOR PREPARING CHIRAL AMINE INTERMEDIATES

#3
20240351975
2024-10-24

METHODS OF SYNTHESIZING 4-VALYLOXYBUTYRIC ACID

#4
20240254162
2024-08-01

CYCLOTHEONELLAZOLEA, AND SYNTHETIC METHOD THEREFOR, AND APPLICATION METHOD THEREOF

#5
20240018092
2024-01-18

PROCESS FOR ACID HYDROLYSIS OF PURE POLYLAUROLACTAM

#6
20230357130
2023-11-09

Methods of synthesizing 4-valyloxybutyric acid

#7
20230286901
2023-09-14

Process for the synthesis of melphalan

#8
20230094970
2023-03-30

Process for the synthesis of Melphalan

#9
20220411375
2022-12-29

Process for synthesis of picolinamides

#10
20220325072
2022-10-13

ZWITTERIONIC CROSSLINKERS, HYDROGELS COMPRISING ZWITTERIONIC CROSSLINKERS, AND METHODS FOR MAKING AND USING

#11
20220234994
2022-07-28

Methods of synthesizing 4-valyloxybutyric acid

#12
20220055982
2022-02-24

Methods of synthesizing 4-valyloxybutyric acid

#13
20220001034
2022-01-06

NOVEL FORMULATION AND METHOD OF SYNTHESIS

#14
20210276942
2021-09-09

Synthesis of 4-chlorokynurenines and intermediates

#15
20210163401
2021-06-03

Enzymatic process for the preparation of Droxidopa

#16
20200055812
2020-02-20

Ammonium carboxylate compound, crystalline form, amorphous form and preparation method thereof

#17
20190298863
2019-10-03

Process for the preparation of hyperpolarized carboxylate compounds

#18
20190010115
2019-01-10

Process for producing long chain amino acids and dibasic acids

#19
20180305297
2018-10-25

DTPA PRODRUGS, COMPOSITIONS THEREOF, AND METHODS OF USING THE SAME

#20
20180237377
2018-08-23

Process for the Synthesis of Melphalan and the Hydrochloride Salt

#21
20180170856
2018-06-21

Process to prepare phenolic ethylenediamine diacetic acid compounds

#22
20170128597
2017-05-11

Formulation and method of synthesis

#23
20170088506
2017-03-30

DTPA prodrugs, compositions thereof, and methods of using the same

#24
20160355460
2016-12-08

Preparation of 18F-fluciclovine

#25
20160263256
2016-09-15

Process for the preparation of hyperpolarized carboxylate compounds

#26
20160176804
2016-06-23

Methods of synthesizing a levodopa ester prodrug

#27
20160090352
2016-03-31

Process for the purification of melphalan

#28
20160031800
2016-02-04

SYNTHESIS OF CHIRAL KYNURENINE COMPOUNDS AND INTERMEDIATES

#29
20160017389
2016-01-21

Method for preparing (2RS)-amino-(3S)-hydroxy-butyric acid and its derivatives

#30
20160016889
2016-01-21

Process for the synthesis of melphalan and the hydrochloride salt

#31
20150274650
2015-10-01

Process for the preparation of intermediates useful for the manufacture NEP inhibitors

#32
20150166468
2015-06-18

Process for preparing 5-biphenyl-4-amino-2-methyl pentanoic acid

#33
20140350284
2014-11-27

Stereoselective synthesis of metyrosine

#34
20140249320
2014-09-04

Process for preparing 5-biphenyl-4-amino-2-methyl pentanoic acid

#35
20130281730
2013-10-24

Preparation of 5-aminosalicylic acid by gas phase catalytic carboxylation

#36
20130274507
2013-10-17

Process simplification for precursor compound

#37
20130211082
2013-08-15

Synthesis of cyclopentaquinazolines

#38
20130158275
2013-06-20

Process for the preparation of intermediates useful for the manufacture NEP inhibitors

#39
20130149243
2013-06-13

METHOD FOR PRODUCTION OF F-18 LABELED GLUTAMIC ACID DERIVATIVES

#40
20120190887
2012-07-26

Processes for preparing pharmaceutical grade melphalans from industrial grade reactants

#41
20120142916
2012-06-07

Process for preparing 5-biphenyl-4-amino-2-methyl pentanoic acid

#42
20120123144
2012-05-17

Manufacturing process for sitagliptin from L-aspartic acid

#43
20120022273
2012-01-26

Process for the preparation of (poly) aminoalkylaminoacetamide derivatives of epipodophyllotoxin useful for their applications in therapeutics as anticancer agent

#44
20120015412
2012-01-19

Preparation of pregabalin and related compounds

#45
20110104765
2011-05-05

Stereoselective synthesis of metyrosine

#46
20110065168
2011-03-17

Preparation of pregabalin and related compounds

#47
20100137600
2010-06-03

Photogenerated reagents

#48
20100113801
2010-05-06

Process for preparing 5-biphenyl-4-amino-2-methyl pentanoic acid

#49
20100099907
2010-04-22

Methods of synthesizing a levodopa ester prodrug

#50
20090203910
2009-08-13

Deprotection of N-BOC compounds

#51
20090198085
2009-08-06

Process for production of radioactive fluorine-labeled organic compound

#52
20090170934
2009-07-02

MANUFACTURING PROCESS FOR NO-DONATING COMPOUNDS SUCH AS NO-DONATING DICLOFENAC

#53
20090042262
2009-02-12

Preparation of pregabalin and related compounds

#54
20090017509
2009-01-15

Method for the production of ramipril

#55
20080194841
2008-08-14

Preparation of Optically Pure Beta-Amino Acids Having Affinity for the Alpha-Delta Protein

#56
20080009649
2008-01-10

Process for preparing amino acids using the amidocarbonylation reaction

#57
20080009630
2008-01-10

Photogenerated reagents

#58
20070287861
2007-12-13

Process suitable for industrial scale production of gabapentin

#59
20070244339
2007-10-18

Process for preparing amino acids using amidocarbonylation reaction

#60
20070073085
2007-03-29

Method for the preparation of Pregabalin and salts thereof

#61
20060292073
2006-12-28

Stereoselective Synthesis of Amino Acid Analogs for Tumor Imaging

#62
20060270869
2006-11-30

Production method of optically active diphenylalanine compounds

#63
20060135784
2006-06-22

PROCESS FOR PRODUCING 3-AMINO-2-HYDROXYPROPIONIC ACID DERIVATIVES

#64
20060122408
2006-06-08

Photogenerated reagents

#65
20060122402
2006-06-08

Manufacturing process for no-donating compounds such as no-donating diclofenac

#66
20060004222
2006-01-05

Process for the preparation of amino acids useful in the preparation of peptide receptor modulators

#67
20050283023
2005-12-22

Preparation of pregabalin and related compounds

#68
20050065367
2005-03-24

Method for producing optically active beta-phenylalanine