ClassID:

93303

C07C303/40 - CPC Classification

Classification description:

Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids by reactions not involving the formation of sulfonamide groups

Recent Application in this class:
#1
20250179012
2025-06-05

SYNTHESIS OF SULFUR(VI) COMPOUNDS AND REAGENTS FOR SAME

#2
20250145564
2025-05-08

SULFONYLUREA COMPOUND, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

#3
20240326030
2024-10-03

PALLADIUM COMPLEX AND CATALYST EMBODIMENTS AND METHODS OF MAKING AND USING THE SAME

#4
20240208922
2024-06-27

A TRIFLUOROMETHYL THIANTHRENIUM COMPOUND, PROCESS FOR PREPARING THE SAME AND THE USE THEREOF

#5
20240140923
2024-05-02

Method for Preparing Key Intermediate of ABT-737 and Method for Preparing ABT-737

#6
20240059656
2024-02-22

A TAUTOMERIC LIGAND ENABLES BIOMIMETIC C-H HYDROXYLATION WITH MOLECULAR OXYGEN

#7
20230406818
2023-12-21

SYNTHESIS OF ALKYL BIS(FLUOROSULFONYL)IMIDE

#8
20230159421
2023-05-25

SUBSTITUTED HYDROXYSTILBENE COMPOUNDS AND DERIVATIVES SYNTHESIS AND USES THEREOF

#9
20220213016
2022-07-07

Methods for Making Functionalized Fluorinated Monomers, Fluorinated Monomers, and Compositions for Making the Same

#10
20220127228
2022-04-28

Method for producing dichloro addition product of aliphatic olefin by photocatalysis under visible light

#11
20220073454
2022-03-10

Process for diastereoselective synthesis of vicinal diamines

#12
20220048859
2022-02-17

Synthetic process

#13
20210363102
2021-11-25

Sulfonium salt photoinitiator, preparation method therefor, photocurable composition comprising sulfonium salt photoinitiator, and use thereof

#14
20210292276
2021-09-23

Polymorphic forms of Belinostat and processes for preparation thereof

#15
20210214220
2021-07-15

METHOD FOR PREPARING IMIDE SALTS CONTAINING A FLUOROSULFONYL GROUP

#16
20210188775
2021-06-24

CARBOXAMIDE AND SULFONAMIDE DERIVATIVES USEFUL AS TEAD MODULATORS

#17
20210114977
2021-04-22

Asymmetric synthesis of alpha-branched chiral amines

#18
20210107859
2021-04-15

A PROCESS FOR THE SYNTHESIS OF CARBON LABELED ORGANIC COMPOUNDS

#19
20200377448
2020-12-03

Direct oxidative amination of hydrocarbons

#20
20200299226
2020-09-24

Mild and efficient preparation method for α-acyloxyenamide compounds and use thereof in synthesis of amide and polypeptide

#21
20200181071
2020-06-11

Sulfamic acid derivatives and processes for their preparation

#22
20200087227
2020-03-19

Method for producing optically active substance, optically active substance, method for producing chiral molecule, and chiral molecule

#23
20190263762
2019-08-29

Processes and intermediates for making sweet taste enhancers

#24
20190256459
2019-08-22

NOVEL PROCESS FOR THE PREPARATION OF BELINOSTAT

#25
20190241511
2019-08-08

Polymorphic forms of belinostat and processes for preparation thereof

#26
20190225577
2019-07-25

Sulfonylaminobenzamide compound and pest control agent

#27
20190210957
2019-07-11

Mild and efficient preparation method for α-acyloxyenamide compounds and use thereof in synthesis of amide and polypeptide

#28
20190092714
2019-03-28

Method of preparing substituted bicyclo[1.1.1] pentanes

#29
20190062280
2019-02-28

Method for producing 4,4,7-trifluoro-1,2,3,4-tetrahydro-5H-1-benzazepine compound and intermediate used in the method

#30
20180370931
2018-12-27

Processes and intermediates for making sweet taste enhancers

#31
20180366764
2018-12-20

PREPARATION OF IMIDES CONTAINING A FLUOROSULFONYL GROUP

#32
20180362455
2018-12-20

METHOD FOR PREPARING SALTS OF ARENETRANSITION METAL SANDWICH COMPLEXES

#33
20180362343
2018-12-20

METHOD FOR THE PREPARATION OF BIS(FLUOROSULFONYL)-IMIDE AND OF ITS SALTS

#34
20180346418
2018-12-06

KINASE ACTIVITY REGULATING COMPOUND INTERMEDIATES PREPARATION METHOD

#35
20180334417
2018-11-22

Methods for making functionalized fluorinated monomers, fluorinated monomers, and compositions for making the same

#36
20180334416
2018-11-22

Methods for Making Functionalized Fluorinated Monomers, Fluorinated Monomers, and Compositions for Making the Same

#37
20180212274
2018-07-26

Process for preparing unipolar cation-conducting ionomers from difluoro ionic monomers

#38
20180201574
2018-07-19

Intermediate of preparing high-purity sulfonamide compound

#39
20180186721
2018-07-05

Oxidative coupling of aryl boron reagents with SP3-carbon nucleophiles, and ambient decarboxylative arylation of malonate half-esters via oxidative catalysis

#40
20180162870
2018-06-14

Process for the Preparation of Darunavir

#41
20180141901
2018-05-24

Method for preparation of bis(fluorosulfonyl)-imide

#42
20180118670
2018-05-03

Method for producing acylsulfamoylbenzamides

#43
20180065908
2018-03-08

Chain multiyne compound, preparation method and application thereof

#44
20180026201
2018-01-25

Carbazole-based gumbos for highly efficient blue OLEDs

#45
20170369429
2017-12-28

Method for preparing high-purity sulfonamide compound, and intermediate of sulfonamide compound

#46
20170327479
2017-11-16

Processes and intermediates for making sweet taste enhancers

#47
20170305845
2017-10-26

Process for preparing 4[[(benzoyl)amino]sulphonyl]benzoyl chlorides and preparation of acylsulphamoylbenzamides

#48
20170275317
2017-09-28

Complexes and methods for their preparation

#49
20170247265
2017-08-31

Filter medium, method for producing filter medium, water treatment module, and water treatment device

#50
20170210912
2017-07-27

Hydrophilic oil repellent and production method of same, surface coating material, coating film, resin composition, oil-water separation filter material, and porous body

#51
20170137416
2017-05-18

6-amino-5,6,7,8-tetrahydronaphthalen-2-yl or 3-aminochroman-7-yl derivatives

#52
20170137341
2017-05-18

Fluorination method

#53
20170113984
2017-04-27

Highly Z-selective olefin metathesis

#54
20170047607
2017-02-16

Preparation of imides containing a fluorosulfonyl group

#55
20160368912
2016-12-22

Method of treating insomnia with halogenated pyrazolo[1,5-a]pyrimidines

#56
20160347678
2016-12-01

Method for producing optically active compound, and novel metal-diamine complex

#57
20160304441
2016-10-20

Benzamide derivatives useful in the treatment of muscular disorders and pain and for controlling spasticity and tremors

#58
20160304347
2016-10-20

Method for producing a fluorine- and sulfur-bearing compound and salts thereof in an aqueous medium

#59
20160289200
2016-10-06

Processes and intermediates for making sweet taste enhancers

#60
20160289170
2016-10-06

N-Substituted Glycinium (Fluorosulfonyl)(Trifluoromethylsulfonyl)imide Compound

#61
20160263566
2016-09-15

Phosphine ligands for catalytic reactions

#62
20160237018
2016-08-18

Process for the synthesis of [6,6]-phenyl-Cbutyric acid pentyl ester (PC61BP)

#63
20160214929
2016-07-28

Process for preparing 4[[(benzoyl)amino]sulphonyl]benzoyl chlorides and preparation of acylsulphamoylbenzamides

#64
20160185812
2016-06-30

Process for synthesizing highly optically active 1,3-disubstituted allenes

#65
20160075643
2016-03-17

NOVEL PROCESS TO PREPARE INTERMEDIATES OF HIV-PROTEASE INHIBITORS THEREOF

#66
20160060211
2016-03-03

Synthesis of anti-Parkinson agent

#67
20160016974
2016-01-21

Preparation method of optically active diamine compound

#68
20160016797
2016-01-21

Method for producing disulfonylamine alkali metal salt

#69
20160008802
2016-01-14

Highly -selective olefin metathesis

#70
20150380771
2015-12-31

Method for synthesizing ionic liquids having a carbonate functional group and ionic liquids thus obtained

#71
20150360215
2015-12-17

Phosphine ligands for catalytic reactions

#72
20150246812
2015-09-03

Method for preparing imide salts containing a fluorosulphonyl group

#73
20150203449
2015-07-23

Method for preparing a sulfonimide compound and salts thereof

#74
20150166587
2015-06-18

Method for preparing quaternary phosphonium salts

#75
20150152126
2015-06-04

Phosphine ligands for catalytic reactions

#76
20150148565
2015-05-28

Method of forming alkoxylated fluoroalcohols

#77
20150141641
2015-05-21

Method for producing 4,4,7-trifluoro-1,2,3,4-tetrahydro-5H-1-benzazepine compound and intermediate used in the method

#78
20150126778
2015-05-07

Synthesis of fluorotrifluoromethylsulfonyl imide

#79
20150038443
2015-02-05

Transcription Factor Inhibitors and Related Compositions, Formulations and Methods

#80
20140206741
2014-07-24

N-substituted isopropyldimethyl azulene sulfonamide derivatives, and preparation method and use thereof

#81
20140200362
2014-07-17

Process for the preparation of -(4-nitro-2-sulfamoyl-phenyl)-malonamic acid methyl ester and -(4-amino-2-sulfamoyl-phenyl)-malonamic acid methyl ester

#82
20140194604
2014-07-10

Process for the synthesis of ketones from internal alkenes

#83
20140187558
2014-07-03

Preparation of sitagliptin intermediates

#84
20140163225
2014-06-12

Catalysts and processes for the hydrogenation of amides

#85
20140155637
2014-06-05

Chiral synthesis of N-{3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]-6-methoxyphenyl}-1-[2,3-dihydroxy-propyl]cyclopropanesulfonamides

#86
20140039220
2014-02-06

Method for producing diamine compound

#87
20140039182
2014-02-06

Compositions and processes of preparing and using the same

#88
20140030188
2014-01-30

Process for production of heterodimers of glutamic acid

#89
20140024855
2014-01-23

Process to produce fluorinated betaines

#90
20140005149
2014-01-02

Substituted diphenyl derivatives

#91
20130345436
2013-12-26

Method for preparing 2-(N-substituted)-amino-benzimidazole derivatives

#92
20130331610
2013-12-12

Halogenated Pyrazolo[1,5-A]Pyrimidines, Processes, Uses, Compositions and Intermediates

#93
20130331609
2013-12-12

Production process for fluorosulfonylimide ammonium salt

#94
20130323155
2013-12-05

Process for producing fluorine-containing sulfonylimide salt

#95
20130323154
2013-12-05

Process for production of fluorosulfonylimide ammonium salt

#96
20130274482
2013-10-17

Highly -selective olefins metathesis

#97
20130264061
2013-10-10

Method for treating hydrocarbon-bearing formations with fluorinated amine

#98
20130261178
2013-10-03

PHENOXYPROPANOL DERIVATIVES AND THEIR USE IN TREATING CARDIAC AND CARDIOVASCULAR DISEASES

#99
20130217876
2013-08-22

Phosphine ligands for catalytic reactions

#100
20130211139
2013-08-15

Process for producing optically active β-amino aldehyde compound

#101
20130096291
2013-04-18

Method of using N-thio compounds for oligonucleotide synthesis

#102
20120322053
2012-12-20

Cross-coupled peptide nucleic acids for detection of nucleic acids of pathogens

#103
20120310010
2012-12-06

Method for producing sulfonamides

#104
20120258935
2012-10-11

Process for preparation of HIV protease inhibitors

#105
20120184737
2012-07-19

Method of producing highly functionalized 1,3-diamino-propan-2-ols from solid support

#106
20120165571
2012-06-28

METHODS FOR PRODUCING BIS(SULFONYL)IMIDE AMMONIUM SALT, BIS(SULFONYL)IMIDE AND BIS(SULFONYL)IMIDE LITHIUM SALT

#107
20120136164
2012-05-31

NANOSTRUCTURED METALS

#108
20120107794
2012-05-03

Cross-Coupled Peptide Nucleic Acids for Detection of Nucleic Acids of Pathogens

#109
20120059179
2012-03-08

PALLADIUM-CATALYZED ORTHO-FLUORINATION

#110
20120022252
2012-01-26

Phosphine ligands for catalytic reactions

#111
20110245494
2011-10-06

Processes and intermediates for making sweet taste enhancers

#112
20110237824
2011-09-29

Process for Producing Fluoroalkylsulfonylaminoethyl Alpha-Substituted-Acrylate

#113
20110212911
2011-09-01

Transcription factor inhibitors and related compositions, formulations and methods

#114
20110190529
2011-08-04

METHOD FOR PREPARING THE ETHYL ESTER OF 4-[TRANS-4-[(PHENYLMETHYL)-AMINO]CYCLOHEXYL]BENZOIC ACID AND THE HEMIFUMARATE SALT THEREOF

#115
20110077421
2011-03-31

Highly Z-selective olefins metathesis

#116
20110065631
2011-03-17

PROCESS FOR PREPARATION OF HIV PROTEASE INHIBITORS

#117
20110054189
2011-03-03

Process for the synthesis C-2, C-3 substituted N-alkylated indoles useful as cPLAinhibitors

#118
20110034716
2011-02-10

Sulfonylimide salt and method for producing the same

#119
20110009668
2011-01-13

Polyfluorosulfonamido amine and intermediate

#120
20110008253
2011-01-13

Process for production of heterodimers of glutamic acid

#121
20100292481
2010-11-18

METHOD FOR PRODUCING CONJUGATED AROMATIC COMPOUND

#122
20100286444
2010-11-11

Preparation of 2R,3S--isobutyl--(2-hydroxy-3-amino-4-phenylbutyl)--nitrobenzenesulfonylamide hydrochloride and other derivatives of 2-hydroxy-1,3-diamines

#123
20100286279
2010-11-11

Methods of synthesis of certain hydroxamic acid compounds

#124
20100267987
2010-10-21

Process for preparing tamsulosin hydrochloride

#125
20100228054
2010-09-09

Method for producing sulfonamides

#126
20100160636
2010-06-24

Method for producing optically active amines

#127
20100120031
2010-05-13

SYNTHESIS OF TRANS-TERT-BUTYL-2-AMINOCYCLOPENTYLCARBAMATE

#128
20100105942
2010-04-29

Process for the synthesis of aryloxypropylamine and heteroaryloxypropylamine

#129
20100094052
2010-04-15

Process for preparing acylsulfamoylbenzamides

#130
20100081806
2010-04-01

Method of producing highly functionalized 1,3-diamino-propan-2-ols from solid support

#131
20100076081
2010-03-25

METHOD FOR PRODUCING SALT OF 4-SULFINYLAMINO-1-CYCLOHEXANECARBOXYLIC ACID

#132
20100063317
2010-03-11

Method for the preparation of optically active 2-sulfonyloxy-1-phenylethanol derivatives

#133
20090306428
2009-12-10

Process for the synthesis of C-2, C-3 substituted N-alkylated indoles useful as cPLAinhibitors

#134
20090287016
2009-11-19

Transition-metal-catalyzed carbon-nitrogen and carbon-carbon bond-forming reactions

#135
20090221857
2009-09-03

PROCESS FOR THE PREPARATION OF TAMSULOSIN AND RELATED COMPOUNDS

#136
20090221817
2009-09-03

Process for trans-4-amino-1-cyclohexanecarboxylic acid derivatives

#137
20090143621
2009-06-04

Method of forming alkoxylated fluoroalcohols

#138
20090137844
2009-05-28

Crystallization process

#139
20090112021
2009-04-30

Preparation of cyclopropyl sulfonylamides

#140
20090111848
2009-04-30

Halogenated pyrazolo[1,5-A]pyrimidines, processes, uses, compositions and intermediates

#141
20090093638
2009-04-09

Allylic oxidations catalyzed by dirhodium catalysts under aqueous conditions

#142
20090082591
2009-03-26

METHODS FOR PREPARING SULFONAMIDE COMPOUNDS

#143
20090076300
2009-03-19

Method for immobilizing compound onto column carrier

#144
20090043094
2009-02-12

Process for trans-4-amino-1-cyclohexanecarboxylic acid derivatives

#145
20090023930
2009-01-22

PROCESSES AND INTERMEDIATES FOR THE PREPARATION OF HETEROCYCLIC SULFONAMIDE COMPOUNDS

#146
20090023925
2009-01-22

N'-(2-HALOBENZYLIDENE)SULFONYLHYDRAZIDES AS INTERMEDIATES IN THE MANUFACTURE OF ARYLSULFONYLINDAZOLES

#147
20090012307
2009-01-08

Process for the preparation of 4-(imidazol-1-yl)benzenesulfonamide derivatives

#148
20080312469
2008-12-18

Preparation of 2R,3S-N-isobutyl-N-(2-hydroxy-3-amino-4-phenylbutyl)-P-nitrobenzenesulfonylamide hydrochloride and other derivatives of 2-hydroxy-1,3-diamines

#149
20080281095
2008-11-13

Method of producing highly functionalized 1,3-diamino-propan-2-ols from solid support

#150
20080262089
2008-10-23

Process for the Preparation of Tamsulosin

#151
20080227995
2008-09-18

Process of Sulfonating 4-Aminobenzonitriles

#152
20080193988
2008-08-14

Process for the Preparation of Sulfonamide Derivatives

#153
20080188659
2008-08-07

Method for Preparing Halogenated Amines

#154
20080039662
2008-02-14

Process for trans-4-amino-1-cyclohexanecarboxilic acid derivatives

#155
20080033207
2008-02-07

Preparation of R-5- (2-(2-Ethoxyphenoxyetylamino) -2-Methoxybenzen-Sulphonamide Hydrochloride of High Chemical

#156
20080004242
2008-01-03

Process for preparation of HIV protease inhibitors

#157
20070255056
2007-11-01

Method for manufacture of compounds related to the class of substituted sulfonyl urea anti-diabetics

#158
20070249723
2007-10-25

Methods for preparing sulfonamide compounds

#159
20070219382
2007-09-20

Process for making N-sulfonated-amino acid derivatives

#160
20070197828
2007-08-23

Method of preparing optically pure phenethylamine derivatives

#161
20070155989
2007-07-05

Synthesis of optically pure(r)-5-(2-amynopropyl)-2-methoxybenzenesulphonamide

#162
20070142669
2007-06-21

Process for preparing Tamsulosin

#163
20070135475
2007-06-14

Process for the preparation of CCR-2 antagonists

#164
20070106079
2007-05-10

Intermediates for the synthesis of (R)-tamsulosin and of its pharmaceutically acceptable salts and process for their preparation

#165
20070093678
2007-04-26

Perfluoroalkanesulfonamide compounds

#166
20070055077
2007-03-08

CHEMICAL PROCESS

#167
20070015939
2007-01-18

Process for preparation of tamsulosin and its aralkylamine derivatives

#168
20060287298
2006-12-21

Pharmaceutical for treatment of neurological and neuropsychiatric disorders

#169
20060247460
2006-11-02

Process for preparing fluorochemical monoisocyanates

#170
20060183944
2006-08-17

Process for preparing reverse transcriptase inhibitors

#171
20060173214
2006-08-03

Process for the preparation of enantiomerically pure (r) or (s)-5-(2-aminopropyl)-2-methoxybenzenesulfonamide

#172
20060173186
2006-08-03

Transition-metal-catalyzed carbon-nitrogen and carbon-carbon bond-forming reactions

#173
20060041005
2006-02-23

Process for the synthesis C-2, C-3 substituted N-alkylated indoles useful as CPLAinhibitors

#174
20060036113
2006-02-16

Process for preparing tamsulosin

#175
20060009658
2006-01-12

Preparation of hydroxamic acids from esters in solution and on the solid phase

#176
20050267315
2005-12-01

Method for Friedel-Crafts acylation of anilides

#177
20050258553
2005-11-24

Method for the organometallic production of organic intermediate products comprising carbon-heteroatom bonds achieved by the deprotonation of heteroatoms

#178
20050250959
2005-11-10

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

#179
20050222255
2005-10-06

Process for producing trans-4-amino-1-cyclohexanecarboxilic acid derivative

#180
20050176994
2005-08-11

Process for producing 4-phenyl-4-oxo-2-butenoic ester derivative

#181
20050159613
2005-07-21

Advanced route for the synthesis of cPLA2 inhibitors

#182
20050158240
2005-07-21

Method for labeling with tritium

#183
20050154231
2005-07-14

Tamsulosin derivative

#184
20050148796
2005-07-07

Compounds and methods for preparing methanesulfonamides

#185
20050148795
2005-07-07

Preparation of 2S,3S--isobutyl--(2-hydroxy-3-amino-4-phenylbutyl)--nitrobenzenesulfonylamide hydrochloride and other derivatives of 2-hydroxy-1,3-diamines

#186
20050148473
2005-07-07

Substituted sulfonylaminomethylbenzoic acid (derivatives) and their preparation

#187
20050143595
2005-06-30

Process for preparing fluorochemical monoisocyanates

#188
20050143583
2005-06-30

Processes for the preparation of substituted isoxazoles and 2-isoxazolines

#189
20050124001
2005-06-09

Method of producing highly functionalized 1,3-diamino-propan-2-ols from solid support

#190
20050107608
2005-05-19

Ligands for use in catalytic processes

#191
20050043364
2005-02-24

Pyrrole-based HMG-CoA reductase inhibitors

#192
20050038026
2005-02-17

Preparation and purification of antiviral disulfonic acid disodium salt

#193
20050032889
2005-02-10

Process for producing crystal of benzenesulfonamide derivative, and novel crystal of intermediate therefor and process for producing the same

#194
20050020858
2005-01-27

Advanced route for the synthesis of cPLA2 inhibitors

#195
20050004372
2005-01-06

Process for preparing acylsulfamoylbenzamides

#196
17539498
2023-02-14

Electrochemical sensor for detection of heavy metal ions, and methods of preparation thereof

#197
15097261
2017-03-21

Amino substituted acetamide derivative