ClassID:

91467

C07C45/59 - CPC Classification

Classification description:

Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in five-membered rings

Recent Application in this class:
#1
20260022088
2026-01-22

THERMOLYTIC FRAGMENTATION OF SUGARS

#2
20250376429
2025-12-11

METHOD FOR PREPARING 2,5-HEXANEDIONE USING 5-CHLOROMETHYLFURFURAL

#3
20250178996
2025-06-05

SGLT2 INHIBITOR INTERMEDIATE V-1 AND USE THEREOF

#4
20250059123
2025-02-20

PROCESS FOR THE PREPARATION OF DIKETONES AND PYRROLE DERIVATIVES

#5
20240336635
2024-10-10

PROCESS FOR THE PRODUCTION OF (1R,2S,5R)-1-AMINO-5-[2-(DIHYDROXYBORANYL)ETHYL]-2-[(DIMETHYLAMINO)METHYL]-CYCLOHEXANE-1-CARBOXYLIC ACID

#6
20240092716
2024-03-21

CYCLOPENTENONES DERIVATIVES AND THEIR USE AS ANTIBIOTICS

#7
20230365523
2023-11-16

PROCESS FOR PREPARING 3-(CYCLOHEX-1-EN-1-YL)PROPANAL DERIVATIVES

#8
20220356299
2022-11-10

Polymer compound comprising biomass-derived cyclic monomer and preparation method therefor

#9
20220298109
2022-09-22

Two-step synthesis of pyrrole compounds from furan compounds

#10
20220227694
2022-07-21

Method of depolymerising phenolic polymers

#11
20220127217
2022-04-28

Methods of depolymerizing lignin

#12
20220056236
2022-02-24

LIGNIN DEPOLYMERISATION AND DEOXYGENATION PROCESS FOR OBTAINING AROMATIC COMPOUNDS AND THEIR CATALYTIC REACTION COMPOSITION

#13
20210213439
2021-07-15

Method for efficiently catalyzing furfural to prepare cyclopentanone, and catalyst and preparation method therefor

#14
20190100548
2019-04-04

Anthracycline Derivatives For Treating Tumor Diseases

#15
20180258251
2018-09-13

Lignin depolymerisation and doxygenation process for obtaining aromatic compounds and their catalytic reaction composition

#16
20180118646
2018-05-03

Method for producing aromatic compound

#17
20170369411
2017-12-28

Method for producing aldehyde compound, and acetal compound

#18
20170253550
2017-09-07

Processes for the preparation of hydroxylated cyclohexyl compounds

#19
20170121269
2017-05-04

4-vinyl-2-cyclopenten-1-one derivatives, the production thereof, and the use of same as an antibiotic agent

#20
20170073292
2017-03-16

SYNTHESIS OF DIKETONE COMPOUNDS FROM CARBOHYDRATES

#21
20170073291
2017-03-16

Selective liquefaction of lignin and biomass in a mixture of sub- and supercritical fluids in absence or presence of heterogeneous catalysts

#22
20170052449
2017-02-23

Chemically amplified resist material, pattern-forming method, compound, and production method of compound

#23
20160368890
2016-12-22

Palladium/silver co-catalyzed tandem reactions synthesis of phenylacetophenone derivatives by oxabenzonorbornadienes with terminal alkynes and their anti-tumor or anti-cancer activities

#24
20160326093
2016-11-10

Hydrogenation reaction method

#25
20160304427
2016-10-20

Processes for converting biomass-derived feedstocks to chemicals and liquid fuels

#26
20160152548
2016-06-02

Intermediate for synthesizing treprostinil diethanolamine and method for preparing the same

#27
20160135452
2016-05-19

Methods to convert lignin to phenolic and carboxylate compounds

#28
20160064668
2016-03-03

Anthracene-containing derivative, production process thereof and organic electroluminescent display device

#29
20150344779
2015-12-03

Liquid crystal composition and methods for the preparation thereof

#30
20150329457
2015-11-19

(6R,10R)-6,10,14-trimetylpentadecan-2-one prepared from 6,10-dimetylundec-5-en-2-one or 6,10-dimetylundeca-5,9-dien-2-one

#31
20150299065
2015-10-22

Continuous process for conversion of lignin to useful compounds

#32
20150299064
2015-10-22

Process for conversion of lignin to useful compounds

#33
20150252069
2015-09-10

Anthracycline derivatives for treating tumor diseases

#34
20140273118
2014-09-18

Processes for converting biomass-derived feedstocks to chemicals and liquid fuels

#35
20140121416
2014-05-01

Method for producing hexafluoroacetone or hydrate thereof

#36
20140039223
2014-02-06

Continuously operable method for producing carbonyl compounds by means of a catalyst containing a nitroxyl radical

#37
20130225872
2013-08-29

Continuous process for conversion of lignin to useful compounds

#38
20130225855
2013-08-29

Continuous process for conversion of lignin to useful compounds

#39
20130225854
2013-08-29

Continuous process for conversion of lignin to useful compounds

#40
20130224816
2013-08-29

Continuous process for conversion of lignin to useful compounds

#41
20130211104
2013-08-15

Preparation of bicyclo[2.2.2]octan-2-one compounds

#42
20120172453
2012-07-05

METHODS FOR TREATING NEURODEGENERATIVE DISEASES

#43
20120046255
2012-02-23

Non-steroidal compounds

#44
20110060054
2011-03-10

2-methylene-5-substituted-methylenecyclopentanone derivatives and use thereof

#45
20100274038
2010-10-28

Method for synthesis of acrolein from glycerol

#46
20100137648
2010-06-03

6,8,10-undecatrien-3-one or 6,8,10-undecatrien-4-one, and aroma compositions

#47
20100113837
2010-05-06

Production of pheromones and fragrances from substituted and unsubstituted 1-alken-3yl alkylates

#48
20100069287
2010-03-18

Fragrance compounds

#49
20100048933
2010-02-25

Transition metal complex, catalyst for olefin polymerization, and process for producing olefin polymer with the same

#50
20100041918
2010-02-18

CYCLOPENTENE DIOL MONOACETATE DERIVATIVES

#51
20090299102
2009-12-03

Apparatus and method for carrying out multiple reactions

#52
20090253659
2009-10-08

Cycloalkylidene compounds as modulators of estrogen receptor

#53
20090176847
2009-07-09

Dicyclooctane Derivatives, Preparation Processes and Medical Uses Thereof

#54
20090082582
2009-03-26

Process For Preparing [2-(2,3- Dihydrobenzofuran - Or Benzofuran-7-Yloxy)Ethyl]-(3 -Cyclopent-1-Ylbenzyl)Amine Derivatives and Synthesis Intermediate

#55
20090054607
2009-02-26

Transition metal complex, catalyst for olefin polymerization, and process for producing olefin polymer with the same

#56
20090012329
2009-01-08

Cleavage of dialkoxyalkanes in ionic liquids

#57
20070269614
2007-11-22

Liquid-crystalline compounds

#58
20070238629
2007-10-11

Fragrance compositions from tertiary terpene alcohols

#59
20070213348
2007-09-13

Cycloalkylidene compounds as modulators of estrogen receptor

#60
20070197836
2007-08-23

Method for producing halogenated unsaturated carbonyl compound

#61
20070191643
2007-08-16

Process for producing cyclopropane monoacetal derivative and intermediate therefor

#62
20070185291
2007-08-09

Fulvene, metallocene catalysts and preparation method thereof, and preparation of polyolefines copolymer using the same

#63
20070155839
2007-07-05

Cycloalkylidene compounds as modulators of estrogen receptor

#64
20070004925
2007-01-04

Method for the production of phytofluene

#65
20060224023
2006-10-05

Process for the preparation of compounds having a CFO bridge

#66
20060199870
2006-09-07

Method for producing aqueous ortho-phthalaldehyde solutions

#67
20060173219
2006-08-03

Protective groups for crossed aldol condensations

#68
20060128976
2006-06-15

Process for producing trifluoromethyl-substituted 2-alkoxyacetophenone derivatives

#69
20060106236
2006-05-18

Protected and unprotected triols for prostaglandin synthesis

#70
20060106235
2006-05-18

Protected diols for prostaglandin synthesis

#71
20060036116
2006-02-16

Process for the direct conversion of lactones into unsaturated ketones or aldehydes

#72
20060009464
2006-01-12

Arylpiperazines having activity at the serotonin 1receptor

#73
20050282817
2005-12-22

Arylpiperazines having activity at the serotonin 1A receptor

#74
20050222457
2005-10-06

Process for producing aromatic compounds by Friedel-Crafts reaction

#75
20050215648
2005-09-29

Cyclopentenedione antifungal compounds and methods for their use

#76
20050171363
2005-08-04

Process for producing trifluoromethyl- substituted 2- alkoxyacetophenone derivatives

#77
20050154220
2005-07-14

Prostaglandin synthesis

#78
20050143594
2005-06-30

Process for preparing resorcinol derivatives

#79
20050054879
2005-03-10

Process for producing alicyclic aldehydes

#80
20050033090
2005-02-10

Process for the preparation of cinnamaldehyde compounds

#81
20050004385
2005-01-06

Fulvene, metallocene catalysts and preparation method thereof, and preparation of polyolefines copolymer using the same

#82
17446224
2023-01-31

System and method for making fuels

#83
16431372
2022-04-19

System and method for making fuels