ClassID:

94973

C07D307/36 - CPC Classification

Classification description:

Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms

Recent Application in this class:
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20260116864
2026-04-30

2,5-Furandicarboxylic Acid Particles and Preparation Method and Application thereof

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20260078506
2026-03-19

COMPOSITE CATALYST WITH MOLYBDENUM MXENE FOR ELECTROCHEMICAL HYDROGENATION OF 2-METHYLFURAN

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20260035813
2026-02-05

COMPOSITE CATALYST WITH MOLYBDENUM MXENE FOR ELECTROCHEMICAL HYDROGENATION OF 2-METHYLFURAN

#4
20260015321
2026-01-15

CHEMICAL COMPOUNDS AND USES THEREOF

#5
20250387375
2025-12-25

SOFALCONE DERIVATIVES AND MEDICAL USE THEREOF

#6
20250382302
2025-12-18

Anticancer polyheterocyclic compounds and associated methods

#7
20250345777
2025-11-13

BISMUTHENE AS VERSATILE PHOTOCATALYST OPERATING UNDER VARIABLE CONDITIONS FOR PHOTOREDOX C-H BOND FUNCTIONALIZATION

#8
20240400501
2024-12-05

3,4-DISUBSTITUTED 3-CYCLOBUTENE-1,2-DIONES AND USE THEREOF

#9
20240391889
2024-11-28

ANTIMICROBIAL COMPOUNDS AND THE METHODS OF USE

#10
20240351966
2024-10-24

CLASS OF ALKYLPHENOL COMPOUNDS AND PREPARATION METHOD THEREFOR

#11
20240228456
2024-07-11

PROCESS

#12
20230348409
2023-11-02

METAL CATALYST AND HYDROGEN GAS FREE APPROACHES FOR SELECTIVE REDUCTION OF ALDEHYDE TO METHYL GROUP OF DIFFERENT SUBSTITUTED FURANS

#13
20230234900
2023-07-27

METHODS OF ARENE ALKENYLATION

#14
20230139896
2023-05-04

SALT, ACID GENERATOR, RESIST COMPOSITION AND METHOD FOR PRODUCING RESIST PATTERN

#15
20230089459
2023-03-23

Chemical compounds targeting the eye and use thereof in the treatment of eye diseases

#16
20230059136
2023-02-23

THE COMPOUNDS AND COMPOSITIONS FOR TREATING CONDITIONS ASSOCIATED WITH NLRP ACTIVITY

#17
20220402866
2022-12-22

3,4-DISUBSTITUTED 3-CYCLOBUTENE-1,2-DIONES AND USE THEREOF

#18
20220395818
2022-12-15

CARBON-BASED SOLID ACID CATALYST, PREPARATION METHOD OF CATALYST, AND APPLICATION TO HYDROTHERMAL CONVERSION OF BIOMASS

#19
20220356126
2022-11-10

Method for the hydrodeoxygenation of oxygenated compounds to unsaturated products

#20
20220288017
2022-09-15

NITENIN ANALOGUE COMPOUNDS AND THEIR USE IN THE TREATMENT OF CHRONIC AND ACUTE PAIN

#21
20220011672
2022-01-13

Composition, resist underlayer film, method of forming resist underlayer film, method of producing patterned substrate, and compound

#22
20210300884
2021-09-30

Synthesis of oleofurans

#23
20210269399
2021-09-02

MODULATORS OF THE INTEGRATED STRESS PATHWAY

#24
20210137876
2021-05-13

Thiophene compound for treatment of exfoliating glaucoma

#25
20210106551
2021-04-15

Lipidic furan, pyrrole, and thiophene compounds for use in the treatment of atrophic vaginitis

#26
20210101876
2021-04-08

Hydrophobic palladium/metal organic framework material, preparation method thereof, and application therefor for use in synthesizing 2,5-dimethylfuran

#27
20210094926
2021-04-01

Processes for the preparation of alkyl furans using bifunctional copper catalysts

#28
20210087124
2021-03-25

Reactive distillation for forming surfactants

#29
20210017100
2021-01-21

Organic reactions carried out in aqueous solution in the presence of a hydroxyalkyl(alkyl)cellulose or an alkylcellulose

#30
20210009545
2021-01-14

Functionalized bifuran and synthesis thereof

#31
20200247762
2020-08-06

K-Ras modulators

#32
20200237709
2020-07-30

Lipidic furan, pyrrole, and thiophene compounds for treatment of cancer, neurological disorders, and fibrotic disorders

#33
20200230578
2020-07-23

Transition metal(s) catalyst supported on nitrogen-doped mesoporous carbon and its use in catalytic transfer hydrogenation reactions

#34
20200148610
2020-05-14

Organic reactions carried out in aqueous solution in the presence of a hydroxyalkyl(alkyl)cellulose or an alkylcellulose

#35
20200069646
2020-03-05

Inhibitors of indoleamine 2,3-dioxygenase and methods of their use

#36
20200010402
2020-01-09

Fragrance mixture

#37
20190374929
2019-12-12

Method and system for hybrid catalytic biorefining of biomass to methylated furans and depolymerized technical lignin

#38
20190358223
2019-11-28

RORgamma modulators and uses thereof

#39
20190337955
2019-11-07

Activation of carbonyl beta-carbons for chemical transformations

#40
20190274994
2019-09-12

Lipidic furan, pyrrole, and thiophene compounds for use in the treatment of atrophic vaginitis

#41
20190233596
2019-08-01

Low temperature and efficient fractionation of lignocellulosic biomass using recyclable organic solid acids

#42
20190194135
2019-06-27

Modulators of the integrated stress pathway

#43
20190152936
2019-05-23

Method for preparing 2,5-dimethylfuran by directly catalyzing carbohydrate using modified Pd/C

#44
20190062291
2019-02-28

Oligomeric (TH)FP, production and uses therefor

#45
20190047947
2019-02-14

3,4-disubstituted 3-cyclobutene-1,2-diones and use thereof

#46
20180362484
2018-12-20

Methods of producing alkylfurans

#47
20180360798
2018-12-20

Lipid furan, pyrrole, and thiophene compounds for treatment of cancer, neurological disorders, and fibrotic disorders

#48
20180327376
2018-11-15

Methods of forming aromatic containing compounds

#49
20180327375
2018-11-15

Aromatic surfactants

#50
20180319757
2018-11-08

Method for producing furan compound and furfural composition

#51
20180230398
2018-08-16

PERFUME SYSTEMS

#52
20180065944
2018-03-08

Methods of producing alkylfurans

#53
20180051206
2018-02-22

Materials for organic electroluminescent devices

#54
20180050013
2018-02-22

Lipidic furan, pyrrole, and thiophene compounds for treatment of cancer, neurological disorders, and fibrotic disorders

#55
20180009774
2018-01-11

Method for producing furan compound and furfural composition

#56
20180006233
2018-01-04

Spiro-type compound and organic light emitting element comprising same

#57
20170349544
2017-12-07

Ethynylbenzene derivatives

#58
20170320844
2017-11-09

Method for preparing 2,5-disubstituted furan compound

#59
20170320843
2017-11-09

Production of furans

#60
20170312246
2017-11-02

LIPIDIC FURAN, PYRROLE, AND THIOPHENE COMPOUNDS FOR USE IN THE TREATMENT OF ATROPHIC VAGINITIS

#61
20170305872
2017-10-26

5-hydroxymethylfurfural production using a multi-fluorinated alcohol compound

#62
20170267654
2017-09-21

Methods of producing alkylfurans

#63
20170217850
2017-08-03

ORGANIC REACTIONS CARRIED OUT IN AQUEOUS SOLUTION IN THE PRESENCE OF A HYDROXYALKYL(ALKYL)CELLULOSE OR AN ALKYLCELLULOSE

#64
20170152237
2017-06-01

Process for the production of furan and its derivatives

#65
20170137395
2017-05-18

Process for the production of furan and its derivatives

#66
20170129913
2017-05-11

Crystalline microporous material mediated conversion of C1-3 oxygenate compounds to C4 oxygenate compounds

#67
20170050943
2017-02-23

METHOD FOR PRODUCING FURFURAL, AND METHOD FOR PRODUCING FURAN

#68
20160376260
2016-12-29

Slow release of organoboronic acids in cross-coupling reactions

#69
20160339414
2016-11-24

Process for the preparation of 2, 5-dimethylefuran and furfuryl alcohol over ruthenium supported catalysts

#70
20160304480
2016-10-20

Method for preparing furan derivatives from biomass

#71
20160297787
2016-10-13

Process for producing furan and its derivatives

#72
20160289593
2016-10-06

PERFUME SYSTEMS

#73
20160263080
2016-09-15

Lipidic furan, pyrrole, and thiophene compounds for treatment of cancer, neurological disorders, and fibrotic disorders

#74
20160208167
2016-07-21

Alkynyl-tolanes, liquid-crystal mixtures containing them and components for high-frequency technology

#75
20160207895
2016-07-21

Synthesis of alkylfurans

#76
20160200700
2016-07-14

Methods of producing alkylfurans

#77
20160185747
2016-06-30

N-cycloalkyl-N-[(fusedphenyl)methylene]-(thio)carboxamide derivatives

#78
20160175828
2016-06-23

N-heterocyclic carbene type palladium catalyst and its preparation method as well as applications

#79
20160130201
2016-05-12

PROCESSES FOR SELECTIVE EXTRACTION OF UNSAPONIFIABLE MATERIALS FROM RENEWABLE RAW MATERIALS BY LIQUID-LIQUID EXTRACTION IN THE PRESENCE OF A COSOLVENT

#80
20160108013
2016-04-21

PROCESSES FOR SELECTIVE EXTRACTION OF UNSAPONIFIABLE MATERIALS FROM RENEWABLE RAW MATERIALS BY REACTIVE TRITURATION IN THE PRESENCE OF A COSOLVENT

#81
20150376153
2015-12-31

Methods for preparing alkylfurans

#82
20150298103
2015-10-22

Regeneration of aldehyde decarbonylation catalysts

#83
20150275132
2015-10-01

PERFUME SYSTEMS

#84
20150246905
2015-09-03

Slow release of organoboronic acids in cross-coupling reactions

#85
20150224108
2015-08-13

Aquaporin modulators and methods of using them for the treatment of edema and fluid imbalance

#86
20150210618
2015-07-30

Energy efficient method and apparatus for the extraction of biomolecules from dilute aqueous solution

#87
20150183701
2015-07-02

Catalysts for hydrodeoxygenation of oxygenated hydrocarbons

#88
20150141667
2015-05-21

Catalysts for hydrodeoxygenation of oxygenated hydrocarbons

#89
20150140616
2015-05-21

PROCESS FOR MAKING FURFURAL

#90
20140309274
2014-10-16

Lipidic furan, pyrrole, and thiophene compounds for treatment of cancer

#91
20140256967
2014-09-11

Cerium-containing zeolites and coke reduction methods

#92
20140107355
2014-04-17

Method to convert biomass to 5-(hydroxymethyl)-furfural (HMF) and furfural using lactones, furans, and pyrans as solvents

#93
20140094455
2014-04-03

Aquaporin modulators and methods of using them for the treatment of edema and fluid imbalance

#94
20140051872
2014-02-20

Catalysts for hydrodeoxygenation of oxygenated hydrocarbons

#95
20130317223
2013-11-28

Slow release of organoboronic acids in cross-coupling reactions

#96
20130310578
2013-11-21

Processes for preparing diacids, dialdehydes and polymers

#97
20130231323
2013-09-05

Ethynylbenzene derivatives

#98
20130158254
2013-06-20

Chemical transformation of lignocellulosic biomass into fuels and chemicals

#99
20130065937
2013-03-14

Prenylarene compound and use thereof

#100
20120295907
2012-11-22

INSECTICIDAL COMPOUNDS

#101
20120165561
2012-06-28

Vapor-phase decarbonylation process

#102
20120165560
2012-06-28

Vapor phase decarbonylation process

#103
20120123085
2012-05-17

Processes for preparing diacids, dialdehydes and polymers

#104
20120073953
2012-03-29

Process for isolating tetrahydrofuran

#105
20110263880
2011-10-27

Efficient method for preparing 2,5-dimethylfuran

#106
20110263849
2011-10-27

Method for rapidly methylating heteroaromatic arene and method for producing tracer for use in PET

#107
20110213112
2011-09-01

Oxidation of 5-(hydroxymethyl) furfural to 2,5 diformylfuran and subsequent decarbonylation to unsubstituted furan

#108
20110201832
2011-08-18

Vapor-phase decarbonylation process

#109
20110196126
2011-08-11

Vapor-phase decarbonylation process

#110
20110184195
2011-07-28

PROCESS FOR THE HYDROGENOLYSIS OF FURFURYL DERIVATIVES

#111
20110172195
2011-07-14

AQUAPORIN MODULATORS AND METHODS OF USING THEM FOR THE TREATMENT OF EDEMA AND FLUID IMBALANCE

#112
20100279340
2010-11-04

Imaging agents for protein misfolding

#113
20100121062
2010-05-13

Slow release of organoboronic acids in cross-coupling reactions

#114
20100029926
2010-02-04

Molecular mass enhancement of biological feedstocks

#115
20100004437
2010-01-07

Chemical transformation of lignocellulosic biomass into fuels and chemicals

#116
20090124839
2009-05-14

Production of liquid alkanes in the jet fuel range (C8-C15) from biomass-derived carbohydrates

#117
20080221169
2008-09-11

Aquaporin modulators and methods of using them for the treatment of edema and fluid imbalance

#118
20080033188
2008-02-07

Catalytic process for producing furan derivatives in a biphasic reactor

#119
20070293560
2007-12-20

Compounds and compositions

#120
20070054884
2007-03-08

4-SUBSTITUTED 2-ARYLOXYPHENOL DERIVATIVES AS ANTIBACTERIAL AGENTS

#121
20060229458
2006-10-12

Processes for the preparation of 2-methylfuran and 2-methyltetrahydrofuran

#122
20060094893
2006-05-04

Process for preparing cyclic carbonates

#123
20060022193
2006-02-02

Divinylfluorenes

#124
20050179013
2005-08-18

Acceptor compounds useful for making hyperpolarizable organic chromophores

#125
20050176974
2005-08-11

Processes for the preparation of 2-methylfuran and 2-methyltetrahydrofuran

#126
20050137402
2005-06-23

Process for preparing alkynyl-substituted aromatic and heterocyclic compounds

#127
17721133
2024-09-03

Synthesis and characterization of air-stable iron-based catalysts for Suzuki-Miyaura cross-coupling reactions of alkyl halides and aryl boronic esters

#128
17559034
2023-11-07

Method for making substituted furan compound embodiments and derivatives thereof

#129
16703817
2022-04-19

Catalyst compositions for conversion of furfural to 2-methylfuran and their applications

#130
15277297
2017-12-12

Bisfuran dihalide, method for producing bisfuran dihalide, and method for producing bisfuran diacid, bisfuran diol or bisfuran diamine using bisfuran dihalide