ClassID:

93302

C07C303/38 - 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 reaction of ammonia or amines with sulfonic acids, or with esters, anhydrides, or halides thereof

Recent Application in this class:
#1
20260027104
2026-01-29

NOVEL NAPHTHYL AND ISOQUINOLINE SULFONAMIDE DERIVATIVES

#2
20230159436
2023-05-25

APPLICATIONS OF AMIDE ANALOGS OF TRITERPENES IN CURES OF CANCER AND OTHER DISEASES

#3
20230063230
2023-03-02

NURR1 RECEPTOR MODULATORS

#4
20220220069
2022-07-14

Compound used as SIRT6 small-molecule allosteric activator and pharmaceutical composition thereof

#5
20210053913
2021-02-25

Process for the Synthesis of Fluorinated Conductive Salts for Lithium Ion Batteries

#6
20210002215
2021-01-07

Heat sensitive recording material, and color developer

#7
20200299231
2020-09-24

HPTS series derivatives and synthesis method therefor

#8
20200199133
2020-06-25

SELECTIVE DUAL INHIBITORS OF PI3 DELTA AND GAMMA PROTEIN KINASES

#9
20190276416
2019-09-12

METHOD FOR PREPARING NOTA DERIVATIVE

#10
20190256459
2019-08-22

NOVEL PROCESS FOR THE PREPARATION OF BELINOSTAT

#11
20190202836
2019-07-04

SELECTIVE DUAL INHIBITORS OF PI3 DELTA AND GAMMA PROTEIN KINASES

#12
20190177270
2019-06-13

M-phenylenediamine compound and method for producing polymer compound using same

#13
20190144461
2019-05-16

Process for preparation of Darunavir

#14
20190071393
2019-03-07

Octahydroanthracene compound, preparation method and application thereof

#15
20180346418
2018-12-06

KINASE ACTIVITY REGULATING COMPOUND INTERMEDIATES PREPARATION METHOD

#16
20180251423
2018-09-06

1-sulfonamido-4-aryloxy compounds, and preparation method and medicinal application thereof

#17
20180244612
2018-08-30

Method of producing a sodium salt of (2,6-dichlorophenyl)amide carbopentoxysulfanilic acid

#18
20180207161
2018-07-26

Polyfluorinated compounds acting as bruton tyrosine kinase inhibitors

#19
20180037543
2018-02-08

METHOD FOR PRODUCING OXYSULPHIDIC AND FLUORINATED DERIVATIVES IN AN IONIC LIQUID MEDIUM

#20
20180022694
2018-01-25

PROCESS FOR FLUORINATION OF SULPHONYL HALIDE COMPOUNDS

#21
20170327509
2017-11-16

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

#22
20170275317
2017-09-28

Complexes and methods for their preparation

#23
20170274368
2017-09-28

Multi-acid polymers and methods of making the same

#24
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

#25
20170210705
2017-07-27

Process for the preparation of dibenzenesulfonimide

#26
20170204106
2017-07-20

Selective dual inhibitors of PI3 delta and gamma protein kinases

#27
20170065594
2017-03-09

Polyfluorinated compounds acting as bruton tyrosine kinase inhibitors

#28
20160368866
2016-12-22

Process for fluorination of sulphonyl halide compounds

#29
20160355525
2016-12-08

Process for preparation of Darunavir

#30
20160200730
2016-07-14

Polyfluorinated compounds acting as bruton tyrosine kinase inhibitors

#31
20150376188
2015-12-31

Selective dual inhibitors of PI3 delta and gamma protein kinases

#32
20150274651
2015-10-01

Preparation of (R)-N-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide and (S)-N-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide

#33
20150203506
2015-07-23

Process for preparation of Darunavir

#34
20150203449
2015-07-23

Method for preparing a sulfonimide compound and salts thereof

#35
20150038443
2015-02-05

Transcription Factor Inhibitors and Related Compositions, Formulations and Methods

#36
20140315130
2014-10-23

Photoacid generators and lithographic resists comprising the same

#37
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

#38
20130137899
2013-05-30

PROCESS FOR PRODUCING FLUORINE-CONTAINING SULFONYLIMIDE COMPOUND

#39
20130066110
2013-03-14

Method for manufacturing fluorine-containing imide compound

#40
20120310010
2012-12-06

Method for producing sulfonamides

#41
20120258935
2012-10-11

Process for preparation of HIV protease inhibitors

#42
20120178946
2012-07-12

Preparation of (R)-N-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide and (S)-N-3,4-difluoro-2(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide

#43
20120165571
2012-06-28

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

#44
20110237824
2011-09-29

Process for Producing Fluoroalkylsulfonylaminoethyl Alpha-Substituted-Acrylate

#45
20110212911
2011-09-01

Transcription factor inhibitors and related compositions, formulations and methods

#46
20110159431
2011-06-30

Photoacid generators and lithographic resists comprising the same

#47
20110065631
2011-03-17

PROCESS FOR PREPARATION OF HIV PROTEASE INHIBITORS

#48
20110054189
2011-03-03

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

#49
20110009668
2011-01-13

Polyfluorosulfonamido amine and intermediate

#50
20100271418
2010-10-28

Self-dispersion pigment, production process of self-dispersion pigment, ink set and ink jet recording method

#51
20100228054
2010-09-09

Method for producing sulfonamides

#52
20100121094
2010-05-13

Methods for the preparation of N-isobutyl-N-(2-hydroxy-3-amino-4-phenylbutyl)-p-nitrobenzenesulfonylamide derivatives

#53
20100105942
2010-04-29

Process for the synthesis of aryloxypropylamine and heteroaryloxypropylamine

#54
20090306428
2009-12-10

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

#55
20090234154
2009-09-17

Process for the preparation of tamsulosin and intermediates thereof

#56
20090137831
2009-05-28

Fluorinated Alkanesulfonic Acid Esters and Amides and Processes for Making and Using the Same

#57
20090112021
2009-04-30

Preparation of cyclopropyl sulfonylamides

#58
20090082591
2009-03-26

METHODS FOR PREPARING SULFONAMIDE COMPOUNDS

#59
20090076300
2009-03-19

Method for immobilizing compound onto column carrier

#60
20090069595
2009-03-12

Process for producing fluorine-containing alkylsulfonylaminoethyl α-substituted acrylate

#61
20080319225
2008-12-25

Method of preparation of (R)-(−)-5-(2-aminopropyl)-2-methoxybenzenesulfonamide

#62
20080227995
2008-09-18

Process of Sulfonating 4-Aminobenzonitriles

#63
20080221353
2008-09-11

Novel phosphonium salt ionic liquid and reaction solvent including the same

#64
20080071113
2008-03-20

Process for producing N-(bicyclo[2.2.1]hept-5-en-2-ylmethyl)-1,1,1-trifluoromethanesulfonamide

#65
20080058538
2008-03-06

Process for producing fluoroalkanesulfonamide derivatives

#66
20080027246
2008-01-31

Process for forming perfluorinated-alkyl sulfonamide substituted norbornene-type monomers

#67
20080004242
2008-01-03

Process for preparation of HIV protease inhibitors

#68
20070259776
2007-11-08

Preparation of Mono-N-sulphonylated diamines

#69
20070249723
2007-10-25

Methods for preparing sulfonamide compounds

#70
20070197800
2007-08-23

Selective N-sulfonylation of 2-amino fluoro- and trifluoroalkyl substituted alcohols

#71
20070155989
2007-07-05

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

#72
20070021614
2007-01-25

Process for the synthesis of sulfonyl halides and sulfonamides from sulfonic acid salts

#73
20070015939
2007-01-18

Process for preparation of tamsulosin and its aralkylamine derivatives

#74
20060264673
2006-11-23

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

#75
20060183944
2006-08-17

Process for preparing reverse transcriptase inhibitors

#76
20060041005
2006-02-23

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

#77
20050240052
2005-10-27

Process for producing fluorine-containing alkylsulfonylaminoethyl α-substituted acrylate

#78
20050215794
2005-09-29

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

#79
20050159613
2005-07-21

Advanced route for the synthesis of cPLA2 inhibitors

#80
20050148473
2005-07-07

Substituted sulfonylaminomethylbenzoic acid (derivatives) and their preparation

#81
20050107608
2005-05-19

Ligands for use in catalytic processes

#82
20050059842
2005-03-17

Preparation of mono-N-sulphonylated diamines

#83
20050038026
2005-02-17

Preparation and purification of antiviral disulfonic acid disodium salt

#84
20050020858
2005-01-27

Advanced route for the synthesis of cPLA2 inhibitors

#85
16391138
2019-12-03

Sulfonamide corrosion inhibitors

#86
15078374
2017-07-04

Multi-acid polymers and methods of making the same