ClassID:

94970

C07D307/32 - 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 one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms Oxygen atoms

Sub-classes:
Recent Application in this class:
#1
20250353823
2025-11-20

PROCESS FOR THE PREPARATION OF ALKOXYLATED 2,5-DIHYDROFURAN

#2
20250320534
2025-10-16

COMPOSITIONS AND METHODS FOR PRODUCING DIHYDROFURANS FROM KETO-SUGARS

#3
20240327368
2024-10-03

BIOSYNTHETIC PRODUCTION OF GAMMA- OR DELTA-LACTONES USING CYTOCHROME P450 HYDROXYLASE ENZYMES OR MUTANTS THEREOF

#4
20240208917
2024-06-27

METHOD FOR PREPARING LACTONES HAVING AT LEAST ONE GROUP SELECTED FROM CARBOXYL, CARBOALKOXY, HYDROXY AND CARBOXYLATE

#5
20240166616
2024-05-23

PROCESS FOR PREPARING ALKYL-4-OXOTETRAHYDROFURAN-2-CARBOXYLATE

#6
20240158362
2024-05-16

PROCESS FOR PREPARING ALKYL-4-OXOTETRAHYDROFURAN-2-CARBOXYLATE

#7
20240144465
2024-05-02

METHOD FOR MONITORING A TUBE SHEET OF A HEAT EXCHANGER

#8
20240067924
2024-02-29

SPECIFICATION OF FUNCTIONAL CRANIAL PLACODE DERIVATIVES FROM HUMAN PLURIPOTENT STEM CELLS

#9
20220411390
2022-12-29

MODULATION OF BACTERIAL QUORUM SENSING WITH SYNTHETIC LIGANDS

#10
20220251076
2022-08-11

Inhibitors of Beta-Hydoxylase for Treatment of Cancer

#11
20210230176
2021-07-29

Hepatitis B antiviral agents

#12
20210032233
2021-02-04

Inhibitors of Beta-Hydroxylase for Treatment of Cancer

#13
20210002242
2021-01-07

DIACYLGLYCEROL LACTONE COMPOUND, PREPARATION METHOD THEREFOR, AND IMMUNOSTIMULATOR CONTAINING SAME AS ACTIVE INGREDIENT

#14
20200361925
2020-11-19

INHIBITORS OF BETA-HYDROXYLASE FOR TREATMENT OF CANCER

#15
20200199143
2020-06-25

Hepatitis B antiviral agents

#16
20200115356
2020-04-16

Modulation of Bacterial Quorum Sensing With Synthetic Ligands

#17
20190300519
2019-10-03

Inhibitors of beta-hydroxylase for treatment of cancer

#18
20190225939
2019-07-25

Specification of functional cranial placode derivatives from human pluripotent stem cells

#19
20190210990
2019-07-11

METHOD FOR CONVERTING LEVOGLUCOSENONE INTO 4-HYDROXYMETHYL BUTYROLACTONE AND 4-HYDROXYMETHYL BUTENOLIDE WITHOUT USING ANY ORGANIC SOLVENT AND CATALYST

#20
20190194421
2019-06-27

3(2H-)-FURANONE BASED ANTIOXIDANT PACKAGING FILMS

#21
20190084994
2019-03-21

Hepatitis B antiviral agents

#22
20190002453
2019-01-03

Inhibitors of β-hydroxylase for treatment of cancer

#23
20180312613
2018-11-01

Redox polymerizable composition with photolabile reducing agents

#24
20180237427
2018-08-23

Inhibitors of β-hydroxylase for treatment of cancer

#25
20180092957
2018-04-05

Methods of extraction of nitrosylated or nitrated derivatives of ascorbic acid from and methods of synthesis thereof

#26
20180009798
2018-01-11

Inhibitors of beta-hydroxylase for treatment of cancer

#27
20170369519
2017-12-28

METHODS FOR THE STEREOSELECTIVE PREPARATION OF APIOSE DERIVATIVES FROM ALLYLIC ALCOHOL COMPOUNDS AND ALLENE COMPOUNDS USING CATALYTIC ASYMMETRIC SYNTHESIS

#28
20170369462
2017-12-28

Modulation of Bacterial Quorum Sensing with Synthetic Ligands

#29
20170253609
2017-09-07

Hepatitis B antiviral agents

#30
20170183321
2017-06-29

Selective process for conversion of levulinic acid to gammavalerolactone

#31
20170158705
2017-06-08

METHOD FOR PREPARING ERIBULIN INTERMEDIATE

#32
20170037019
2017-02-09

Process for treating homoserine-based compound

#33
20160376246
2016-12-29

Method for the conversion of lignocellulosic biomasses into mono-oxygenated or poly-oxygenated molecules

#34
20160361373
2016-12-15

Methods of extraction of nitrosylated or nitrated derivatives of ascorbic acid from myriciaria dubia and methods of synthesis thereof

#35
20160326491
2016-11-10

Specification of functional cranial placode derivatives from human pluripotent stem cells

#36
20160090391
2016-03-31

3-((2S,5S)-4-methylene-5-(3-oxopropyl)tetrahydrofuran-2-yl)propanol derivatives, their preparation and intermediates useful thereof

#37
20150322027
2015-11-12

Monomer, polymer, resist composition, and patterning process

#38
20150210677
2015-07-30

Inhibitors of beta-hydroxylase for treatment of cancer

#39
20150080349
2015-03-19

Modulation of bacterial quorum sensing with synthetic ligands

#40
20150018490
2015-01-15

Surface-treated carbon nanotube and resin composition

#41
20140275579
2014-09-18

Process for the manufacture of 3-oxo-tetrahydrofuran

#42
20140073690
2014-03-13

Covalent inhibition of bacterial quorum sensing

#43
20140039195
2014-02-06

Squarylated lactones inhibitors for bacterial biofilm formation

#44
20120322995
2012-12-20

Certain β-dihydrofuran derivatives

#45
20120197029
2012-08-02

Method for producing cyclicised compounds from organic acids having from 4 to 6 carbon atoms

#46
20120135925
2012-05-31

Covalent inhibition of bacterial quorum sensing

#47
20120101080
2012-04-26

Composition for treatment of tuberculosis

#48
20110306777
2011-12-15

Processes for the production of hydrogenated products

#49
20110245514
2011-10-06

Processes for the production of hydrogenated products

#50
20110212860
2011-09-01

Modulation of bacterial quorum sensing with synthetic ligands

#51
20110091808
2011-04-21

PHOTORESIST COMPOSITION

#52
20110008852
2011-01-13

Convergent synthesis of renin inhibitors and intermediates useful therein

#53
20100311582
2010-12-09

CHEMICAL COMPOUNDS

#54
20100292261
2010-11-18

Quorum sensing antagonist and method of reducing a bacterial contamination using the quorum sensing antagonist

#55
20100280235
2010-11-04

Method for producing 4′-ethynyl d4T

#56
20100274027
2010-10-28

ORGANIC COMPOUNDS

#57
20100239978
2010-09-23

Photosensitive composition, and pattern-forming method and resist film using the photosensitive composition

#58
20100197781
2010-08-05

Anti-malarial compound isolated from

#59
20100035865
2010-02-11

Sulfonamides and Pharmaceutical Compositions Thereof

#60
20090176859
2009-07-09

Cathepsin cysteine protease inhibitors

#61
20090104669
2009-04-23

Method for Preparing (S)-3-Hydroxy-Gamma-Butyrolactone Using Hydrolase

#62
20090099152
2009-04-16

2-alkoxy-3,4,5-trihydroxy-alkylamide-benzazepines, the preparation and use thereof, and compositions containing the same

#63
20090088545
2009-04-02

Polymerziable liquid crystal compound, polymerziable liquid crystal composition comprising the same, and polymer produced using them

#64
20090068587
2009-03-12

(Meth)acrylamide derivative, polymer, chemically amplified photosensitive resin composition, and patterning method

#65
20090043108
2009-02-12

Method of preparing sultines

#66
20080312319
2008-12-18

Modulation of bacterial quorum sensing with synthetic ligands

#67
20080287532
2008-11-20

OXACYCLOPENTENE-2 DERIVATIVES

#68
20080207921
2008-08-28

Process for preparing renin inhibitors

#69
20080110763
2008-05-15

Method For Producing Alkoxylated 2,5-Dihydrofuran But-2-Ene Derivatives Or Tetra-1,1,4,4-Alkoxylated But-2-Ene Derivatives

#70
20080108816
2008-05-08

Process for the preparation of (S)-4-fluoromethyl-dihydro-furan-2-one

#71
20080103191
2008-05-01

ENTACAPONE-DERIVATIVES

#72
20080070161
2008-03-20

Monomer, polymer and composition for photoresist

#73
20070232688
2007-10-04

Sterol/stanol phosphorylnitroderivatives and use thereof

#74
20070208078
2007-09-06

Phenol derivatives and antitrypanosoma preventive/therapeutic agent comprising the same as active ingredient

#75
20070155983
2007-07-05

Hydroxy-protecting reagent and method of protecting hydroxy with the same

#76
20070135386
2007-06-14

Novel Compounds and Compositions as Cathepsin Inhibitors

#77
20070060643
2007-03-15

Autoinducer compounds

#78
20070054966
2007-03-08

Method for preparing novel transcription factors and use

#79
20060247307
2006-11-02

Transcriptional factor, process for producing the same and use thereof

#80
20060106098
2006-05-18

Andrographolide and its derivatives as TNF-alpha antagonists

#81
20060101583
2006-05-18

Adducts based on cyclic compounds and the use thereof as tanning agents and curing agents

#82
20060100448
2006-05-11

Process for the production of Y-methyl-A-methylene-Y-butyrolactone from reaction of levulinic acid and hydrogen in the liquid phase followed by reaction of crude-Y-valerolactone and formaldehyde

#83
20060100447
2006-05-11

Process for the production of y-methyl-a-methylene-y-butyrolactone from reaction of levulinic acid and hydrogen with recycle of unreacted levulinic acid followed by reaction of crude y-valerolactone and formaldehyde, both reactions being carried out in the supercritical or near-critical fluid phase

#84
20060053564
2006-03-16

Processes for preparing and using tanning agents and preservatives

#85
20060052617
2006-03-09

Continuous process for the production of optically pure (s)-beta-hydroxy-y-butyrolactone

#86
20060025474
2006-02-02

Bisphenyl compounds useful as vitamin D3 receptor agonists

#87
20050176814
2005-08-11

Deuterated substituted dihydrofuranones and medicaments containing these compounds

#88
20050153870
2005-07-14

Medicinal composition for diagnosis, prevention, or therapy of multiple risk factor syndrome

#89
20050070598
2005-03-31

Cysteine protease inhibitors

#90
20050026904
2005-02-03

Pryanone compounds useful as reversible inhibitors of cysteine proteases

#91
20050020588
2005-01-27

Cysteine protease inhibitors