ClassID:

91459

C07C45/54 - CPC Classification

Classification description:

Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of compounds containing doubly bound oxygen atoms, e.g. esters

Recent Application in this class:
#1
20250270158
2025-08-28

PROCESS FOR PREPARING TAPINAROF

#2
20240368068
2024-11-07

PROCESS FOR PREPARING PERFUMING INTERMEDIATES

#3
20240190800
2024-06-13

METHOD FOR PRODUCING 1,3-DISUBSTITUTED BICYCLO[1.1.1]PENTANE BY PHOTOREACTION

#4
20240025873
2024-01-25

METHOD FOR PRODUCING KETONE DERIVATIVE

#5
20230174445
2023-06-08

Process for preparing tapinarof

#6
20210221761
2021-07-22

SYNTHESIS OF SUBSTITUTED CYCLOPENTADIENE COMPOUNDS AND METALLOCENES

#7
20210163388
2021-06-03

Process for preparing tapinarof

#8
20210024442
2021-01-28

Process for preparing tapinarof

#9
20200407311
2020-12-31

Process for the preparation of enantiomerically and diastereomerically enriched cyclobutane amines and amides

#10
20200131108
2020-04-30

Method for synthesizing novel compounds derived from 3-hydroxy-cylopentyl acetic acid

#11
20190289887
2019-09-26

Method for producing unsaturated decanals

#12
20190169108
2019-06-06

1-HYDROXYMETHYL-1,2,2,6-TETRAMETHYL-CYCLOHEXANE AND DERIVATIVES THEREOF AND THEIR USE AS AROMA CHEMICALS

#13
20190144367
2019-05-16

Process for preparing tapinarof

#14
20180362353
2018-12-20

Tin-containing zeolitic material having a BEA framework structure

#15
20180312458
2018-11-01

METHOD F0R THE PURIFICATION OF CYCLOHEXADEC-8-EN-1-ONE

#16
20180290959
2018-10-11

USE OF NOVEL MIXTURES OF (E/Z) CYCLOPENTADECENONE ISOMERS, THE PRODUCTION AND USE THEREOF AS FLAVORING SUBSTANCE

#17
20180179142
2018-06-28

Process for the preparation of spiro[2.5]octane-5,7-dione and spiro[3.5]nonane-6,8-dione

#18
20180170850
2018-06-21

Process for the preparation of melonal

#19
20180134647
2018-05-17

Method to produce acrylic acid with acetaldehyde as the main by-product

#20
20180057440
2018-03-01

Method for synthesizing novel compounds derived from 3-hydroxy-cyclopentyl acetic acid

#21
20170283352
2017-10-05

METHOD FOR PRODUCING AN AROMA SUBSTANCE

#22
20170247315
2017-08-31

Process for the preparation of spiro[2.5]octane-5,7-dione and spiro[3.5]nonane-6,8-dione

#23
20170044084
2017-02-16

Method of producing farnesyl acetone

#24
20160318836
2016-11-03

PROCESS FOR THE PRODUCTION OF 2,6-DIMETHYLHEPT-5-ENAL BY BAEYER-VILLIGER OXIDATION

#25
20160280622
2016-09-29

Method for the synthesis of khusimone

#26
20160251291
2016-09-01

Method for producing alkoxyhydroxybenzaldehyde

#27
20160221906
2016-08-04

Method for producing aromatic compound from biomass-derived acetic acid

#28
20150251168
2015-09-10

Dual catalyst system for performing a ketonisation reaction and a hydrotreatment reaction simultaneously

#29
20150183702
2015-07-02

Method for producing alkoxyphenol and alkoxy-hydroxybenzaldehyde

#30
20150119606
2015-04-30

Process for production of vanillin and vanillin derivatives

#31
20150018588
2015-01-15

Method for production of hydrocarbons by increasing hydrocarbon chain length

#32
20150018581
2015-01-15

Simultaneous production of base oil and fuel components from renewable feedstock

#33
20140288326
2014-09-25

One-step intermolecular electrocyclic rearrangement process

#34
20140128622
2014-05-08

Process for the oxidation of organic carbonyl compounds

#35
20130211144
2013-08-15

MULTI-STAGE REACTION FOR MITIGATINGTHE PRESENCE OF UNWANTED CATIONS

#36
20120065347
2012-03-15

FLUOROCOMPOUND HAVING HIGHLY FLUORINATED NORBORNANE STRUCTURE, FLUOROPOLYMER, AND THEIR PRODUCTION PROCESSES

#37
20110098503
2011-04-28

Energy densification of biomass-derived organic acids

#38
20100312013
2010-12-09

STEROSELECTIVE SYNTHESIS OF CERTAIN TRIFLUOROMETHYL-SUBSTITUTED ALCOHOLS

#39
20100197977
2010-08-05

Allyl diacetate decomposition

#40
20090281154
2009-11-12

Ophthalmic Compositions for Treating Ocular Hypertension

#41
20090192330
2009-07-30

Fluorocompound having highly fluorinated norbornane structure, fluoropolymer, and their production processes

#42
20090124826
2009-05-14

Optically active 3-methylcyclopentadecanone and method for producing intermediate thereof

#43
20080119663
2008-05-22

Process for preparing fatty acid alkyl esters and acrolein from triglycerides

#44
20070287870
2007-12-13

Method of producing macrocyclic ketone, and intermediate thereof

#45
20070244328
2007-10-18

Organocatalysts and methods of use in chemical synthesis

#46
20070232837
2007-10-04

Process for the production of cyclic diketones

#47
20070135388
2007-06-14

Bicyclic cannabinoids

#48
20070060769
2007-03-15

Integrated process to produce derivatives of butadiene addition products

#49
20060199957
2006-09-07

Bicyclic and tricyclic cannabinoids

#50
20060084820
2006-04-20

Enantioselective, catalytic allylation of ketones and olefins

#51
20060014984
2006-01-19

Continuous process for producing pseudoionones and ionones

#52
20050181950
2005-08-18

Gallic acid derivative and process of preparing the same

#53
20050159314
2005-07-21

Process for the preparation of cyclic diketones

#54
20050020544
2005-01-27

Bicyclic CB2 cannabinoid receptor ligands

#55
20050009175
2005-01-13

Chemical processing microsystems comprising high-temperature parallel flow microreactors

#56
15189808
2017-05-30

Process for conversion of levulinic acid to ketones