ClassID:

92625

C07C221/00 - CPC Classification

Classification description:

Preparation of compounds containing amino groups and doubly-bound oxygen atoms bound to the same carbon skeleton

Recent Application in this class:
#1
20260042729
2026-02-12

FUNCTIONALIZED DIACETYLENE MONOMERS, THEIR POLYMERIZATION AND USES THEREOF

#2
20250230373
2025-07-17

FUELS

#3
20240409495
2024-12-12

PROCESS FOR THE PREPARATION OF 2,7-DIHYDROXY-9-FLUORENONE USEFUL FOR THE SYNTHESIS OF TILORONE AND ITS SALTS

#4
20240343678
2024-10-17

METHOD FOR SYNTHESIZING 5,8-DIAMINO-3,4-DIHYDRO-2H-1-NAPHTHALENONE AND INTERMEDIATE COMPOUND USED THEREIN

#5
20240217919
2024-07-04

NOVEL METHODS FOR SYNTHESIZING ENANTIOPURE (S)-METHADONE, (R)-METHADONE, RACEMIC (R,S)-METHADONE AND RELATED ANALOGUE SUBSTANCES

#6
20240217918
2024-07-04

SOLID FORMS OF (R)-OXYBUTYNIN D-MALATE

#7
20240043763
2024-02-08

Fuels

#8
20230339844
2023-10-26

A PROCESS FOR THE SYNTHESIS OF ANTHRANILIC ACID/AMIDE COMPOUNDS AND INTERMEDIATES THEREOF

#9
20230227315
2023-07-20

PREPREARATION AND APPLICATION OF 2,6-DIAMINOANTHRAQUINONE BIFUNCTIONAL GROUP COVALENTLY GRAFTED GRAPHENE AS NEGATIVE MATERIAL OF SUPERCAPACITOR

#10
20230192594
2023-06-22

CRYSTAL FORMS AND METHODS OF SYNTHESIS OF (2R, 6R)-HYDROXYNORKETAMINE AND (2S, 6S)-HYDROXYNORKETAMINE

#11
20230104724
2023-04-06

Environment-friendly process for selective acylation of aminophenol

#12
20230060294
2023-03-02

Methods of manufacturing benzoquinoline compounds

#13
20220332586
2022-10-20

PREPARATION AND APPLICATION OF 2,6-DIAMINOANTHRAQUINONE BIFUNCTIONAL GROUP COVALENTLY GRAFTED GRAPHENE AS NEGATIVE MATERIAL OF SUPERCAPACITOR

#14
20220220062
2022-07-14

Synthetic methods of preparing esketamine

#15
20220177414
2022-06-09

Method for preparing an N-cyclopropylmethyl aniline compound

#16
20220089520
2022-03-24

Process for the preparation of enantiomerically pure norepinephrine

#17
20220081388
2022-03-17

Process for preparation of 2-Amino-5-hydroxy propiophenone

#18
20210246099
2021-08-12

Process for synthesis and purification of (2R,6R)-hydroxynorketamine

#19
20210171468
2021-06-10

PROCESS FOR THE MANUFACTURE OF PYRAZOLE CARBOXYLIC DERIVATIVES AND PRECURSORS THEREOF

#20
20210171437
2021-06-10

PEPTIDE NUCLEIC ACID (PNA) MONOMERS WITH AN ORTHOGONALLY PROTECTED ESTER MOIETY AND NOVEL INTERMEDIATES AND METHODS RELATED THERETO

#21
20210171436
2021-06-10

Highly enantioselective access to cyclic beta-amino acids

#22
20210145968
2021-05-20

Hypocrellin derivative substituted both in a peri-position and in 2-position by amino, preparation method, and application thereof

#23
20210139411
2021-05-13

Crystal forms and methods of synthesis of (2R, 6R)-hydroxynorketamine and (2S, 6S)-hydroxynorketamine

#24
20210130282
2021-05-06

Process for the preparation of (1R,2R)-3-(3-dimethylamino-1-ethyl-2-methyl-propyl)-phenol

#25
20200347008
2020-11-05

METHODS OF MANUFACTURING BENZOQUINOLINE COMPOUNDS

#26
20200331846
2020-10-22

METHODS OF MANUFACTURING BENZOQUINOLINE COMPOUNDS

#27
20200299225
2020-09-24

PROCESS FOR THE PREPARATION OF (1R,2R)-3-(3-DIMETHYLAMINO-1-ETHYL-2-METHYL-PROPYL)-PHENOL

#28
20200297660
2020-09-24

APPLICATIONS OF SPERMINE AND DERIVATIVES THEREOF

#29
20200071344
2020-03-05

Methods for making quinolinyldiamines

#30
20200039920
2020-02-06

METHOD FOR PRODUCING NITROGEN-CONTAINING COMPOUND

#31
20200031789
2020-01-30

Thymoquinone derivatives for treatment of cancer

#32
20200031788
2020-01-30

Thymoquinone derivatives for treatment of cancer

#33
20200002544
2020-01-02

Fluorenylaminoketone photoinitiator, preparation method thereof, and UV photocurable composition containing same

#34
20190292131
2019-09-26

Method for making end compounds from internal ketones issued from the decarboxylative ketonization of fatty acids or fatty acid derivatives

#35
20190284212
2019-09-19

Mechanically shaped 2-dimensional covalent organic frameworks

#36
20190263747
2019-08-29

PROCESS FOR THE PREPARATION OF (1R,2R)-3-(3-DIMETHYLAMINO-1-ETHYL-2-METHYL-PROPYL)-PHENOL

#37
20190209493
2019-07-11

Applications of spermine and derivatives thereof

#38
20190177265
2019-06-13

METHOD FOR COUPLING A FIRST COMPOUND TO A SECOND COMPOUND

#39
20190135732
2019-05-09

Crystal forms and methods of synthesis of (2R, 6R)-hydroxynorketamine and (2S, 6S)-hydroxynorketamine

#40
20190092719
2019-03-28

METHODS OF MANUFACTURING BENZOQUINOLINE COMPOUNDS

#41
20190071391
2019-03-07

Preparation method of a formamide compound

#42
20190062555
2019-02-28

Methods and materials for the production of monomers for nylon-4/polyester production

#43
20190055190
2019-02-21

PEPTIDE NUCLEIC ACID (PNA) MONOMERS WITH AN ORTHOGONALLY PROTECTED ESTER MOIETY AND NOVEL INTERMEDIATES AND METHODS RELATED THERETO

#44
20190055189
2019-02-21

Process for preparing beta agonist

#45
20190002394
2019-01-03

SYNTHESIS OF LEVOMETHADONE HYDROCHLORIDE OR DEXTROMETHADONE HYDROCHLORIDE AND METHODS FOR USE THEREOF

#46
20180338965
2018-11-29

Monosubstituted or polysubstituted amphiphilic hypocrellin derivative, and preparation method and application thereof

#47
20180312519
2018-11-01

Synthesis of substituted salicylaldehyde derivatives

#48
20180244604
2018-08-30

Method of producing organic compound

#49
20180207628
2018-07-26

Oxalic amide ligands, and uses thereof in copper-catalyzed coupling reaction of aryl halides

#50
20180194753
2018-07-12

Method for preparing pyrazolecarboxylic acid derivative, and intermediate thereof

#51
20180171372
2018-06-21

Methods for the synthesis of chiral kynurenine compounds

#52
20180141030
2018-05-24

Ligand for catalyst or pre-catalyst and method of forming C(SP2)-N bond

#53
20180111890
2018-04-26

Process for the preparation of ethacrynic acid

#54
20180079725
2018-03-22

Method for producing pyrazole derivative

#55
20180079711
2018-03-22

Glaucocalyxin a derivative and preparation method and application thereof

#56
20170369467
2017-12-28

Process for the Preparation of N-Monosubstituted beta-Amino Alcohols

#57
20170349534
2017-12-07

A NOVEL PROCESS FOR CHIRAL RESOLUTION OF HIGHLY PURE (6R)-6-(DIMETHYLAMINO)-4,4-DIPHENYL-HEPTANONE FROM RACEMIC METHADONE HYDROCHLORIDE

#58
20170334871
2017-11-23

Thymoquinone derivatives for treatment of cancer

#59
20170327509
2017-11-16

TWO-PHOTON ABSORBING FLUOROPHORES AND METHOD FOR CELLULAR IMAGING USING THE SAME

#60
20170226046
2017-08-10

Method for producing 2-amino-substituted benzaldehyde compound

#61
20170217875
2017-08-03

PROCESS FOR THE PREPARATION OF (1R,2R)-3-(3-DIMETHYLAMINO-1-ETHYL-2-METHYL-PROPYL)-PHENOL

#62
20170210695
2017-07-27

METHOD FOR COUPLING A FIRST COMPOUND TO A SECOND COMPOUND

#63
20170197957
2017-07-13

Methods of manufacturing benzoquinoline compounds

#64
20170057909
2017-03-02

Synthesis of levomethadone hydrochloride or dextromethadone hydrochloride and methods for use thereof

#65
20170050933
2017-02-23

N, N, N-trialkyl histidine derivatives useful for the preparation of ergothioneine compounds

#66
20160376243
2016-12-29

1,2-naphthoquinone based derivative and method of preparing the same

#67
20160355684
2016-12-08

ANTHRAQUINONE DYE USED FOR A COLOR FILTER OF A LCD

#68
20160347729
2016-12-01

Multifunctional primary amine, process for its preparation, and use thereof

#69
20160347677
2016-12-01

Surfactant-enabled transition metal-catalyzed chemistry

#70
20160340332
2016-11-24

Compositions comprising TPGS-750-M

#71
20160333033
2016-11-17

O-phenyl chalcone compounds and preparation method and use thereof

#72
20160257695
2016-09-08

Synthesis of substituted salicylaldehyde derivatives

#73
20160257650
2016-09-08

MONOARYLATION OF AROMATIC AMINES

#74
20160240782
2016-08-18

MATERIALS FOR ORGANIC ELECTROLUMINESCENCE DEVICE

#75
20160222420
2016-08-04

Methods and materials for the production of monomers for nylon-4/polyester production

#76
20160221928
2016-08-04

PROCESS FOR THE PREPARATION OF (1R,2R)-3-(3-DIMETHYLAMINO-1-ETHYL-2-METHYL-PROPYL)-PHENOL

#77
20160200727
2016-07-14

Process for the preparation of key intermediates of omarigliptin

#78
20160176773
2016-06-23

Enantioselective synthesis of α-quaternary mannich adducts by palladium-catalyzed allylic alkylation

#79
20160159729
2016-06-09

Method of producing optically active β-aminocarbonyl compound

#80
20160137587
2016-05-19

Transition-metal-free N-arylation of tertiary amines using arynes

#81
20160060243
2016-03-03

Photoinitiators

#82
20160052854
2016-02-25

Metal-catalyzed coupling of aryl and vinyl halides with alpha, alpha-difluorocarbonyl compounds

#83
20160024237
2016-01-28

Tridentate nitrogen based ligands for olefin polymerisation catalysts

#84
20150344450
2015-12-03

Synthesis, structure and use of functionalized naphthalenes

#85
20150344428
2015-12-03

Catalytic manufacturing method for imine having no substituent group on the nitrogen, and use for the imine produced

#86
20150322037
2015-11-12

Polysubstituted pyridyl pyrazolecarboxamide and preparation method and use thereof

#87
20150322009
2015-11-12

3,4,5-trimethoxystyrylarylaminopropenones as potential anticancer agents

#88
20150274641
2015-10-01

Methods for making polymorphs of bromfenac sodium and bromfenac sodium formulations

#89
20150232412
2015-08-20

Process for the reduction of nitro derivatives to amines

#90
20150224484
2015-08-13

Inorganic nanoparticle deposited catalyst for hydrogenation and manufacturing method of the same, and hydrogenation for biomass derived hydrocarbon compounds

#91
20150183764
2015-07-02

Process for the manufacture of ()-4-N,N-dialkylamino crotonic acid in HX salt form and use thereof for synthesis of EGFR tyrosine kinase inhibitors

#92
20150152099
2015-06-04

METHODS OF MANUFACTURING BENZOQUINOLINE COMPOUNDS

#93
20150119573
2015-04-30

Method for synthesizing sapropterin dihydrochloride

#94
20150105565
2015-04-16

Photoinitiators

#95
20150105555
2015-04-16

Method for synthesizing sapropterin dihydrochloride

#96
20150051199
2015-02-19

Pharmaceutical compounds

#97
20150045445
2015-02-12

3-KETO-N-PROPARGYL-1-AMINOINDAN

#98
20150025264
2015-01-22

Method for producing hydrogen or heavy hydrogens, method for producing hydrogenated (protiated, deuterated or tritiated) organic compound, method for hydrogenating (protiating, deuterating or tritiating) organic compound, method for dehalogenating organic compound having halogen, and ball for use in mechanochemical reaction

#99
20150018561
2015-01-15

CFO-containing enaminoketones and their utilization for the preparation of CFO-containing pyrazoles

#100
20150011761
2015-01-08

Synthesis of substituted salicylaldehyde derivatives

#101
20140377791
2014-12-25

Two-photon absorbing compound with methods of synthesis and use

#102
20140363369
2014-12-11

Process for producing hydrogen or heavy hydrogens, and hydrogenation (protiation, deuteration or tritiation) of organic compounds using same

#103
20140350302
2014-11-27

()-6-(dimethylamino)-4,4-diphenylheptan-3-one

#104
20140350141
2014-11-27

Multifunctional primary amine, process for its preparation, and use thereof

#105
20140309459
2014-10-16

Method of preparing chiral ketones from aldehydes

#106
20140296575
2014-10-02

Multi-branched mannich base corrosion inhibitor and preparation method thereof

#107
20140296574
2014-10-02

Process for preparing Cinacalcet hydrochloride

#108
20140243556
2014-08-28

Continuous two step flow synthesis of M-amino acetophenone

#109
20140221691
2014-08-07

Method for producing ring-halogenated N,N-dialkylbenzylamines

#110
20140142339
2014-05-22

Method for preparing fluoroacylated arylamine

#111
20140018428
2014-01-16

Polymorphs of bromfenac sodium and methods for preparing bromfenac sodium polymorphs

#112
20140011880
2014-01-09

Polymorphs of bromfenac sodium and methods for preparing bromfenac sodium polymorphs

#113
20130338229
2013-12-19

Abuse-deterrent methadone for the safe treatment of drug abuse and pain relief

#114
20130315841
2013-11-28

Functionalized naphthalene fluorophores

#115
20130310574
2013-11-21

Process for the preparation of N-monosubstituted β-amino alcohols

#116
20130310558
2013-11-21

Synthesis, structure and use of functionalized naphthalenes

#117
20130296608
2013-11-07

NOVEL STEREOSPECIFIC SYNTHESIS OF (-) (2S, 3S)-1-DIMETHYLAMINO-3-(3-METHOXYPHENYL)-2-METHYL PENTAN-3-OL

#118
20130296577
2013-11-07

Photoinitiators

#119
20130289155
2013-10-31

Polymeric photoinitiators

#120
20130289120
2013-10-31

Polymorphs of bromfenac sodium and methods for preparing bromfenac sodium polymorphs

#121
20130217917
2013-08-22

CHOLINE ANALOGS AND CHEMICAL SYNTHESIS THEREOF

#122
20130211080
2013-08-15

Process for the manufacture of TMHQ

#123
20130197223
2013-08-01

Synthesis of substituted salicylaldehyde derivatives

#124
20130197082
2013-08-01

Short synthesis of tolterodin, intermediates and metabolites

#125
20130190500
2013-07-25

PROCESS TO PREPARE 6-CHLORO-3-AMINO-2-(2-HYDROXYPROPYL)-1-AZANAPHTHALENE

#126
20130150623
2013-06-13

Process for producing hydrogen or heavy hydrogens, and hydrogenation (protiation, deuteration or tritiation) of organic compounds using same

#127
20130108540
2013-05-02

Graphene prepared by using edge functionalization of graphite

#128
20130023588
2013-01-24

Polymorphs of bromfenac sodium and methods for preparing bromfenac sodium polymorphs

#129
20120316350
2012-12-13

Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols

#130
20120232306
2012-09-13

Process for the preparation of tapentadol and intermediates thereof

#131
20120225020
2012-09-06

UNSATURATED CHOLINE ANALOGS AND CHEMICAL SYNTHESIS THEREOF

#132
20120165227
2012-06-28

COMPOUNDS AND METHODS FOR DETECTION AND QUANTIFICATION OF CARBOXYLIC ACIDS

#133
20120149914
2012-06-14

Method for synthesizing substituted aminocyclohexanone compounds

#134
20120130114
2012-05-24

Method for direct functionalization of polyaniline and other molecules having diiminoquinoid ring via C-C bond formation

#135
20110313158
2011-12-22

Two Component Recyclable Heterogeneous Catalyst, Process for Preparation Thereof and its Use for Preparation of Amines

#136
20110306794
2011-12-15

PROCESS FOR PREPARING CINACALCET HYDROCHLORIDE

#137
20110190540
2011-08-04

Methods for Preparing S1P Receptor Agonists and Antagonists

#138
20110152381
2011-06-23

3-KETO-N-PROPARGYL-1-AMINOINDAN

#139
20110140043
2011-06-16

MATERIALS FOR ORGANIC ELECTROLUMINESCENCE DEVICE

#140
20110124859
2011-05-26

Process for the manufacturing of betamimetics

#141
20110118484
2011-05-19

Process for the functionalization of biological molecules

#142
20110105760
2011-05-05

Method for producing aminobiphenylene

#143
20110092596
2011-04-21

Polymorphs of bromfenac sodium and methods for preparing bromfenac sodium polymorphs

#144
20110040124
2011-02-17

Method for preparing metal complexes of polydentate beta-ketoiminates

#145
20110004007
2011-01-06

Process for the preparation of -monosubstituted β-amino alcohols

#146
20100240911
2010-09-23

Process for the preparation of N-monosubstituted beta-amino alcohols

#147
20100099916
2010-04-22

Process for the preparation of (1R,2R)-3-(3-dimethylamino-1-ethyl-2-methylpropy1)-phenol

#148
20100087680
2010-04-08

METHOD FOR PRODUCING BIARYL COMPOUND

#149
20100081845
2010-04-01

Process for Production of Optically Active Benzylamine Derivatives

#150
20100044368
2010-02-25

Method and Apparatus for Continuous Flow Microwave-Assisted Chemistry Techniques

#151
20100029968
2010-02-04

Asymmetric reaction catalyst and method for preparing optically active compound using the same

#152
20100010096
2010-01-14

Methadone chiral isolate as an improved pharmaceutical

#153
20090318729
2009-12-24

Immobilized lewis acid catalysts coated with ionic liquids and use thereof

#154
20090221832
2009-09-03

Process for preparing ketones from alpha-oxo carboxylates and aryl bromides

#155
20090216015
2009-08-27

Base Stable Ionic Liquids

#156
20090203901
2009-08-13

Process for preparing pyrazole functionalized benzodiazepinones

#157
20090182174
2009-07-16

Method for hydrogenation of α, β-unsaturated carbonyl compounds

#158
20090156833
2009-06-18

Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols

#159
20090088590
2009-04-02

Process for preparing R-gossypol L-phenylalaninol dienamine

#160
20090012328
2009-01-08

Process for preparing bupropion hydrochloride

#161
20080221358
2008-09-11

Method of synthesizing key intermediates for the production of camptothecin derivatives

#162
20080154062
2008-06-26

Process for preparing a polyformyl arylamine

#163
20080119661
2008-05-22

Process for the preparation of N-monosubstituted beta-amino alcohols

#164
20080033171
2008-02-07

Ligands for metals and improved metal-catalyzed processes based thereon

#165
20070265472
2007-11-15

Asymmetric reaction catalyst and method for preparing optically active compound using the same

#166
20070161808
2007-07-12

Process for the preparation of aq4n

#167
20070155617
2007-07-05

Functional group-selective hydrogenation catalyst and functional group-selective hydrogenation method

#168
20070142639
2007-06-21

Process for production of amines

#169
20070088160
2007-04-19

PROCESS FOR THE MANUFACTURING OF BETAMIMETICS

#170
20070060775
2007-03-15

Monoformylated arylamine processes and compounds

#171
20060264673
2006-11-23

Copper-catalyzed formation of carbon-heteroatom and carbon—carbon bonds

#172
20060246365
2006-11-02

Process for preparing a polyformyl arylamine

#173
20060100463
2006-05-11

Selective hydrogenation of nitrogen containing aromatics

#174
20060074247
2006-04-06

N-protected/N-substituted-beta-amino hydroxy sulfonates

#175
20060069257
2006-03-30

Ligands for metals and improved metal-catalyzed processes based thereon

#176
20060025631
2006-02-02

Arylamine processes

#177
20050277791
2005-12-15

Process for producing optically active β-amino alcohol

#178
20050256318
2005-11-17

Process for the preparation of n-monosubstituted beta-amino alcohols

#179
20050215822
2005-09-29

Process for the preparation of enantiomerically enriched compounds

#180
20050215794
2005-09-29

Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds

#181
20050133498
2005-06-23

Method and apparatus for continuous flow microwave-assisted chemistry techniques

#182
20050080260
2005-04-14

Preparation of prodrugs for selective drug delivery

#183
17970831
2024-04-09

Mechanically shaped 2-dimensional covalent organic frameworks

#184
15662452
2018-08-28

Method of fabricating [F-18]FEONM precursor

#185
15181339
2017-06-27

Process preparing of (E)-3-(4-methoxyphenyl)-N-methyl-N-((6,7,8,9-tetrahydro-5H-benzo-[7]annulen-2-yl)methyl)prop-2-en-1-amine