ClassID:

93297

C07C303/28 - 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 esters of sulfonic acids by reaction of hydroxy compounds with sulfonic acids or derivatives thereof

Recent Application in this class:
#1
20250171398
2025-05-29

COMPOSITIONS, METHODS, AND SYSTEMS FOR THE SYNTHESIS AND USE OF IMAGING AGENTS

#2
20240409498
2024-12-12

PROCESS OF MAKING 3-(4'-AMINOPHENYL)-2-METHOXYPROPIONIC ACID, AND ANALOGS AND INTERMEDIATES THEREOF

#3
20240368190
2024-11-07

SYNTHESIS OF RAS INHIBITORS

#4
20240368063
2024-11-07

PREPARATION METHOD, INTERMEDIATE COMPOUNDS, AND SYNTHESIS METHOD FOR A CLASS OF ANTHRACENE-DERIVED TOXINS IN ORGANIC CHEMISTRY

#5
20240199539
2024-06-20

METHOD OF PREPARING FATTY ACID ALKYL ESTER SULFONATE USING COFFEE OIL

#6
20240190816
2024-06-13

N,N'-DIARYLUREA DERIVATIVE, MANUFACTURING METHOD THEREOF, AND THERMOSENSITIVE RECORDING MATERIAL USING SAME

#7
20240051915
2024-02-15

METHOD FOR PREPARING 2-HYDROXY-5-[2-(4-(TRIFLUOROMETHYLPHENYL)ETHYLAMINO)]BENZOIC ACID

#8
20230357137
2023-11-09

Synthesis of Sulfonamide Intermediates

#9
20230331666
2023-10-19

METHOD FOR PRODUCING SULFONATE COMPOSITION

#10
20230155178
2023-05-18

NON-AQUEOUS ELECTROLYTIC SOLUTION AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME

#11
20230100065
2023-03-30

COMPOUNDS FOR USE IN PCR SYSTEMS AND APPLICATIONS THEREOF

#12
20230063230
2023-03-02

NURR1 RECEPTOR MODULATORS

#13
20220213016
2022-07-07

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

#14
20220204446
2022-06-30

PROCESS FOR MAKING SIPONIMOD AND INTERMEDIATE THEREOF

#15
20220194894
2022-06-23

Process of making 3-(4′-aminophenyl)-2-methoxypropionic acid, and analogs and intermediates thereof

#16
20220017459
2022-01-20

COMPOSITIONS, METHODS, AND SYSTEMS FOR THE SYNTHESIS AND USE OF IMAGING AGENTS

#17
20210340099
2021-11-04

N,N′-diarylurea derivative, manufacturing method thereof, and thermosensitive recording material using same

#18
20210276942
2021-09-09

Synthesis of 4-chlorokynurenines and intermediates

#19
20210269395
2021-09-02

Vinylsulfonic anhydride, method for producing same, and method for producing vinylsulfonyl fluoride

#20
20210207452
2021-07-08

Non-aqueous electrolytic solution and non-aqueous electrolyte secondary battery using the same

#21
20210163813
2021-06-03

ETHYLENEAMINE SULFONATE-BASED SURFACTANT FOR HIGH TEMPERATURE FOAMING

#22
20210114962
2021-04-22

Continuous flow synthesis of ibuprofen

#23
20210032569
2021-02-04

2-ethylhexanol ethoxylate as a hydrotrope in liquid detergents

#24
20200399202
2020-12-24

Synthesis of terphenyl compounds

#25
20200332343
2020-10-22

Compounds for use in PCR systems and applications thereof

#26
20200299231
2020-09-24

HPTS series derivatives and synthesis method therefor

#27
20200231749
2020-07-23

Polyethylene glycol derivative and preparation method thereof

#28
20200071267
2020-03-05

Method for preparing 3-substituted 2-vinylphenyl sulfonates

#29
20190367444
2019-12-05

Method for preparing lisinopril intermediate

#30
20190322620
2019-10-24

PROCESS FOR THE PREPARATION OF A POLYUNSATURATED KETONE COMPOUND

#31
20190276416
2019-09-12

METHOD FOR PREPARING NOTA DERIVATIVE

#32
20190177451
2019-06-13

Phosphono-phosphate and anionic group containing polymers

#33
20190177288
2019-06-13

Intermediates and process for preparing intermediates in the production of substituted pyrazolopyridines

#34
20190177287
2019-06-13

Hydrates of substituted 5-fluoro-1H-pyrazolopyridines

#35
20190135742
2019-05-09

Pleuromutilin derivative having 2-amino phenyl mercaptan side chain as well as preparation method and application thereof

#36
20180355386
2018-12-13

Method for producing (Z)-2-benzoyloxy-12-heptadecene and (2S,12Z)-2-hydroxy-12-heptadecene and method for producing (2S,12Z)-2-acetoxy-12-heptadecene

#37
20180334417
2018-11-22

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

#38
20180327377
2018-11-15

Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same

#39
20180282261
2018-10-04

Synthesis of terphenyl compounds

#40
20180237363
2018-08-23

METHOD FOR COUPLING AN AROMATIC COMPOUND TO AN ALKYNE

#41
20180223334
2018-08-09

Compounds for use in PCR systems and applications thereof

#42
20180186720
2018-07-05

Synthesis of long-chain unsaturated fatty acid by chemical reaction of carbon chain extension

#43
20180111897
2018-04-26

Process for the preparation of a sulfur-amine

#44
20180079717
2018-03-22

Process for preparing 3-chloro-2-vinylphenylsulfonates

#45
20180065942
2018-03-08

Crystalline substituted 5-fluoro-1H-pyrazolopyridines and process for preparing

#46
20180044285
2018-02-15

METHODS AND COMPOUNDS USEFUL IN THE SYNTHESIS OF OREXIN-2 RECEPTOR ANTAGONISTS

#47
20180009745
2018-01-11

Process for the preparation of a polyunsaturated ketone compound

#48
20170362161
2017-12-21

Process for the preparation of indanamine derivatives and new synthesis intermediates

#49
20170355669
2017-12-14

Compositions, methods, and systems for the synthesis and use of imaging agents

#50
20170246195
2017-08-31

MITOQUINONE DERIVATIVES USED AS MITOCHONDRIALLY TARGETED ANTIOXIDANTS

#51
20170158652
2017-06-08

Process for preparing substituted 5-fluoro-1H-pyrazolopyridines

#52
20170101359
2017-04-13

Process for preparing 3-chloro-2-vinylphenol

#53
20160368859
2016-12-22

Process for the synthesis of agomelatine

#54
20160362389
2016-12-15

Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same

#55
20160362362
2016-12-15

Compositions, methods, and systems for the synthesis and use of imaging agents

#56
20160355471
2016-12-08

Preparation of hydroxy-benzylbenzene derivatives

#57
20160318858
2016-11-03

Methods and compounds useful in the synthesis of orexin-2 receptor antagonists

#58
20160304429
2016-10-20

Process for the synthesis of 7-methoxy-naphthalene-1-carbaldehyde and application in the synthesis of agomelatine

#59
20160294008
2016-10-06

Non-aqueous electrolytic solution and non-aqueous electrolyte secondary battery using the same

#60
20160137597
2016-05-19

Specific sulfonate compounds that can be used as electrolyte solvent for lithium batteries

#61
20160076063
2016-03-17

Method for producing (Z)-2-benzoyloxy-12-heptadecene and (2S,12Z)-2-hydroxy-12-heptadecene and method for producing (2S,12Z)-2-acetoxy-12-heptadecene

#62
20160030452
2016-02-04

Minocycline Derivatives

#63
20160024132
2016-01-28

Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl) cytosine, synthetic intermediate of thionucleoside, and method for producing the same

#64
20160016974
2016-01-21

Preparation method of optically active diamine compound

#65
20160009694
2016-01-14

CYCLOHEXANEDIAMINE COMPOUNDS AND METHODS FOR THEIR PREPARATION

#66
20160009671
2016-01-14

Process for preparing substituted 5-fluoro-1H-pyrazolopyridines

#67
20150353582
2015-12-10

Norbornenylhydrocarbylene dihydrocarbylboranes and methods of making the same

#68
20150210634
2015-07-30

Preparation of hydroxy-benzylbenzene derivatives

#69
20150184145
2015-07-02

Compounds for use in PCR systems and applications thereof

#70
20150183731
2015-07-02

Cyclic process for the production of taurine from monoethanolamine

#71
20150152131
2015-06-04

Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same

#72
20150025237
2015-01-22

Methods and compounds useful in the synthesis of orexin-2 receptor antagonists

#73
20150018578
2015-01-15

Process for preparation of fingolimod

#74
20140296574
2014-10-02

Process for preparing Cinacalcet hydrochloride

#75
20140243532
2014-08-28

Precursors of glutamate derivatives

#76
20140012024
2014-01-09

METHOD FOR THE SYNTHESIS OF DHA

#77
20130289296
2013-10-31

Process for the preparation of bazedoxifene acetate and intermediates thereof

#78
20130274507
2013-10-17

Process simplification for precursor compound

#79
20130267730
2013-10-10

Purification of precursor compound by crystallisation

#80
20130197260
2013-08-01

Processes for the preparation of fesoterodine

#81
20130149244
2013-06-13

Compositions, methods, and systems for the synthesis and use of imaging agents

#82
20130066097
2013-03-14

Process for preparing an ortho-substituted 5-halophenol and a synthesis intermediate thereof

#83
20130020537
2013-01-24

Method for producing methanesulfonic acid alkyl ester solution

#84
20120330008
2012-12-27

Process for the preparation of bazedoxifene acetate and intermediates thereof

#85
20120277332
2012-11-01

Organic superacid monomers containing a bis-sulfonic acid group and methods of making and using the same

#86
20120184763
2012-07-19

METHOD FOR PRODUCING PERFLUOROSULFONIC ACID HAVING ETHER STRUCTURE AND DERIVATIVE THEREOF, AND SURFACTANT CONTAINING FLUORINE-CONTAINING ETHER SULFONIC ACID COMPOUND AND DERIVATIVE THEREOF

#87
20120041235
2012-02-16

PROCESS FOR THE PREPARATION OF (R)-2-(3-DIISOPROPYLAMINO)-1-PHENYLPROPYL)-4METHYLPHENOL AND SALTS THEREOF

#88
20110306794
2011-12-15

PROCESS FOR PREPARING CINACALCET HYDROCHLORIDE

#89
20110301370
2011-12-08

METHOD FOR PREPARING OREGANIC ACID

#90
20110288055
2011-11-24

MITOQUINONE DERIVATIVES USED AS MITOCHONDRIALLY TARGETED ANTIOXIDANTS

#91
20110263850
2011-10-27

Process for the preparation of anagrelide and analogues

#92
20110190542
2011-08-04

Method for the sulfonylation of a hydroxylated organic compound

#93
20110137070
2011-06-09

Process for production of bicyclo[2.2.2]octylamine derivative

#94
20110034719
2011-02-10

PROCESS FOR THE PREPARATION OF (S)- NAPROXEN 4-NITROOXYBUTYL ESTER

#95
20100221948
2010-09-02

LABELLING ASSEMBLY

#96
20100217034
2010-08-26

Process for the Preparation of Fesoterodine

#97
20100217028
2010-08-26

PROCESS FOR PREPARING NITROOXYALKYL SUBSTITUTED ESTERS OF CARBOXYLIC ACIDS, INTERMEDIATES USEFUL IN SAID PROCESS AND PREPARATION THEREOF

#98
20100197950
2010-08-05

PROCESS FOR PREPARING PHENOXY ACETIC ACID DERIVATIVES

#99
20100184987
2010-07-22

Preparation of Retapamulin via its Pleuromutilin-thiol precursor

#100
20100168229
2010-07-01

Process for the preparation of optically active compounds using transfer hydrogenation

#101
20100121091
2010-05-13

Processes of preparing asymmetric dinitrobenzamide mustard compounds, intermediate compounds useful therein and products obtained therefrom

#102
20100075999
2010-03-25

Process for the preparation of ethyl-N-(2,3-dichloro-6-nitrobenzyl)glycine hydrochloride

#103
20100041911
2010-02-18

Process For The Production Of (Alkoxycarbonylamino)alkyl Sulfonates

#104
20100016626
2010-01-21

Process for production of precursor compound for radioactive halogen-labeled organic compound

#105
20100016624
2010-01-21

Aqueous methods for making fluorinated sulfonate esters

#106
20100016623
2010-01-21

Process for regioselective mono-tosylation of diols

#107
20090170934
2009-07-02

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

#108
20090156854
2009-06-18

ADAMANTANE DERIVATIVES AND PROCESS FOR PRODUCING THE SAME

#109
20090137831
2009-05-28

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

#110
20090105491
2009-04-23

Optically active diamine derivative and process for producing the same

#111
20090076296
2009-03-19

Preparation of oseltamivir phosphate

#112
20090023941
2009-01-22

Method for producing 2-isopropenyl-5-methyl-4-hexen-1-yl 3-methyl-2-butenoate

#113
20080242892
2008-10-02

PROCESS FOR PREPARATION OF 5H DIBENZO[a,d] CYCLOHEPTENE DERIVATIVES

#114
20080233621
2008-09-25

Method For Producing Alcohol and Carboxylic Acid Having Optical Activity

#115
20080161610
2008-07-03

Process for the production of 2(2-aminophenyl)-bicylopropane derivatives

#116
20080161267
2008-07-03

Mitoquinone derivatives used as mitochondrially targeted antioxidants

#117
20080139848
2008-06-12

Process for preparation of 5H-dibenzo[a,d] cycloheptene derivatives

#118
20070292926
2007-12-20

Processes for producing optically active 1-substituted 2-methylpyrrolidine

#119
20070282151
2007-12-06

Manufacture of higher hydrocarbons from methane, via methanesulfonic acid, sulfene, and other pathways

#120
20070197807
2007-08-23

Derivatives of unsaturated, cyclic organic acids

#121
20070142669
2007-06-21

Process for preparing Tamsulosin

#122
20070129532
2007-06-07

Adamantane derivatives and process for producing the same

#123
20070112194
2007-05-17

Process for preparing nitrooxyalkyl substituted esters of carboxylic acids, intermediates useful in said process and preparation thereof

#124
20070049773
2007-03-01

Process for functionalising a phenolic compound carrying an electron-donating group

#125
20070049742
2007-03-01

Single pot process for the preparation of diazonaphthoquinonesulfonyl ester

#126
20060292073
2006-12-28

Stereoselective Synthesis of Amino Acid Analogs for Tumor Imaging

#127
20060252964
2006-11-09

Process for the preparation of aromatic amines

#128
20060173005
2006-08-03

Process for preparing nitrooxyderivatives of naproxen

#129
20060122402
2006-06-08

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

#130
20060079716
2006-04-13

Process for the preparation of N,N-diisopropyl-3-(2-hydroxy-5-methylphenyl)-3-phenyl-propaneamine

#131
20060058370
2006-03-16

Methods for producing cyclic benzamidine derivatives

#132
20060036113
2006-02-16

Process for preparing tamsulosin

#133
20050274928
2005-12-15

Chlorinated promoters for vanadium-based polymerization catalysts

#134
20050245764
2005-11-03

Process for producing optically active 2-substituted carboxylic acid

#135
20050245569
2005-11-03

Process for making montelukast and intermediates therefor

#136
20050234123
2005-10-20

Process

#137
20050153408
2005-07-14

Process for preparation of 2-aminotetralin derivatives and intermediates thereof

#138
20050033085
2005-02-10

Preparation process of some halogeno-substituted monosulfides and their hydroxy-monosulfide or isothiouronium bromide equivalents as intermediates

#139
20050014818
2005-01-20

Process for producing optically active chroman derivative and intermediate

#140
18951543
2025-05-20

Pleuromutilin derivative containing a thiazolo[5,4-c]pyridine side chain, and a preparation method and application thereof

#141
15867009
2018-05-29

Synthesis of phenylethynylbenzenes