ClassID:

91441

C07C45/45 - 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 condensation

Sub-classes:
Recent Application in this class:
#1
20260092026
2026-04-02

PRECURSOR COMPOUND OF TETRACYCLIC HYDROCARBON AND PREPARATION METHOD THEREOF

#2
20250387780
2025-12-25

METHOD FOR PREPARING SUPPORTED TRANSITION METAL CATALYST, SUPPORTED TRANSITION METAL CATALYST AND USE THEREOF IN CONDENSATION COUPLING SYNTHESIS OF HIGH-CARBON KETONE FROM ALPHA-H-CONTAINING KETONE AND ALCOHOL

#3
20250289775
2025-09-18

SUPPORTED CATALYST AND PREPARATION METHOD THEREOF, AND METHOD FOR PREPARING HIGH-CARBON KETONE

#4
20250188009
2025-06-12

OPTIMIZED CATALYST PROCESSING AND RECYCLING IN THE SYNTHESIS OF METHACROLEIN

#5
20250129004
2025-04-24

PRODUCTION OF PHENOL FROM A BIOMASS

#6
20240360064
2024-10-31

Method for preparing pinacolone

#7
20240327318
2024-10-03

Precursor compound of tetracyclic hydrocarbon and preparation method thereof, and tetracyclic hydrocarbon and preparation method and use thereof

#8
20240270670
2024-08-15

PROCESS FOR PARTIAL CONDENSATION OF AN OXYGENATE MIXTURE

#9
20240158331
2024-05-16

Aldehyde compound and method for producing same, and fragrance composition

#10
20240124380
2024-04-18

MANUFACTURING OF ALLENE KETONES USING AN AMMONIUM (THIO)SULFATES OR HYDROGEN (THIO)SULFATES

#11
20240100497
2024-03-28

Continuous stirred tank reactor for aldol condensation reaction

#12
20240091737
2024-03-21

Aldol condensation reaction apparatus

#13
20240067595
2024-02-29

3-acyloxymethyl-3-butenal acetal compounds

#14
20240042422
2024-02-08

METHOD FOR PERFORMING A CONDENSATION REACTION USING A SURFACE-REACTED CALCIUM CARBONATE CATALYST

#15
20240025837
2024-01-25

Methods of producing 7-methyl-3-methylene-7-octenal acetal compounds

#16
20230130823
2023-04-27

PROCESS FOR THE PRODUCTION OF ANTITUMOUR PHARMACEUTICAL COMPOSITIONS USING PUSH-PULL BUTADIENES, COMPOUNDS AND USES THEREOF

#17
20220306565
2022-09-29

Method for producing 7-methyl-3-methylene-7-octenal acetal compound

#18
20220153671
2022-05-19

Method for producing alpha-allylated cycloalkanone

#19
20210380508
2021-12-09

Self-condensation of aldehydes

#20
20210207059
2021-07-08

Odorants and compositions comprising odorants

#21
20200299611
2020-09-24

Odorants and compositions comprising odorants

#22
20200290942
2020-09-17

Synthesis of cyclic organic compounds

#23
20200181059
2020-06-11

7-methyl-3-methylene-7-octenal acetal compound and methods for producing aldehyde compound and ester compound using the same

#24
20190358611
2019-11-28

Catalyst for producing aliphatic ketones from fermented product of biomass, and method for producing same

#25
20190358138
2019-11-28

A PERSONAL CARE COMPOSITION

#26
20190249111
2019-08-15

Composition having a muguet odor

#27
20190055259
2019-02-21

Method for producing diol having cyclic acetal skeleton

#28
20180370883
2018-12-27

Method for producing high-octane components from olefins from catalytic cracking

#29
20180280942
2018-10-04

Carbon doped tin disulphide and methods for synthesizing the same

#30
20180265460
2018-09-20

Method of forming paracyclophane containing functional group with disulfide bond

#31
20180215692
2018-08-02

Conversion of ethanol to C+ ketones in single catalyst bed

#32
20180171262
2018-06-21

NOVEL AROMA CHEMICALS HAVING A 1,2,2-TRIMETHYLCYCLOPENTAN-1-YL MOIETY

#33
20180155267
2018-06-07

7-methyl-3-methylene-7-octenal acetal compound and methods for producing aldehyde compound and ester compound using the same

#34
20180118646
2018-05-03

Method for producing aromatic compound

#35
20180050974
2018-02-22

Cyclobenzoins

#36
20170342009
2017-11-30

Method of preparing 1,3-butadiene and methyl ethyl ketone from 2,3-butanediol using adiabatic reactor

#37
20170297990
2017-10-19

Process for producing alcohol analogue

#38
20170246153
2017-08-31

Spiro-thiazolones

#39
20170217868
2017-08-03

Efficient synthesis of methacroelin and other alpha, beta—unsaturated aldehydes from methanol and an aldehyde

#40
20170166520
2017-06-15

Chemical film on substrate and method of forming the same, method of forming paracyclophane containing functional ground with disulfide bond

#41
20170158592
2017-06-08

Removal of aldehydes in acetic acid production processes

#42
20170008832
2017-01-12

Two-step process for preparing 3-substituted phenylalkylamines

#43
20160333033
2016-11-17

O-phenyl chalcone compounds and preparation method and use thereof

#44
20160304439
2016-10-20

Process for the preparation of advantame

#45
20160304429
2016-10-20

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

#46
20160214999
2016-07-28

Fluorine-containing complex compound, and production method for fluorine-containing organic compound employing same

#47
20160194263
2016-07-07

Method for Producing N-Butane Derivatives

#48
20160152907
2016-06-02

Methods to produce fuels

#49
20160075628
2016-03-17

Photolabile pro-fragrances

#50
20160075626
2016-03-17

Method for producing 1,1,1,5,5,5-hexafluoroacetylacetone

#51
20160060277
2016-03-03

Ionic liquid compound

#52
20160031775
2016-02-04

System and method for producing neopentyl glycol

#53
20150376511
2015-12-31

PRODUCTION OF JET FUEL-RANGE HYDROCARBONS FROM CELLULOSIC BIOMASS

#54
20150368171
2015-12-24

PROCESS FOR PRODUCING POLYOLS

#55
20150259271
2015-09-17

Alpha-(3,5-dimethoxybenzylidene)-alpha′-hydrocarbyl methylene cyclic ketone and preparation method thereof

#56
20150141699
2015-05-21

Process for pyrolysis of a coal feed

#57
20150133694
2015-05-14

Green process for producing 3-methyl-3-pentene-2-one

#58
20140343325
2014-11-20

Method for the purpose of a catalytic condensation or coupling

#59
20140088326
2014-03-27

Dual catalyst system for the self-condensation of alcohols

#60
20140017183
2014-01-16

Process for the manufacture of dibenzoylmethane derivatives

#61
20140005441
2014-01-02

Method for carrying out multiphase aldol condensation reactions to give mixed α, β-unsaturated aldehydes

#62
20130131372
2013-05-23

Preparation of chalcone derivatives

#63
20120053299
2012-03-01

Cyclopropenones and the photochemical generation of cyclic alkynes therefrom

#64
20110071178
2011-03-24

Methods and Compounds for Modulating Cannabinoid Activity

#65
20110039874
2011-02-17

MONOACYLGLYCEROL LIPASE INHIBITORS FOR MODULATION OF CANNABINOID ACTIVITY

#66
20100087651
2010-04-08

NEW MANDELIC ACID DERIVATIVES AND THEIR USE AS THROMBIN INHIBITORS

#67
20090306016
2009-12-10

Fatty acid amide hydrolase inhibitors

#68
20090253659
2009-10-08

Cycloalkylidene compounds as modulators of estrogen receptor

#69
20080132726
2008-06-05

PROCESS FOR THE PRODUCTION OF QUINONE METHIDE

#70
20080090800
2008-04-17

Mandelic acid derivatives and their use as thrombin inhibitors

#71
20070218136
2007-09-20

New mandelic acid derivatives and their use as thrombin inhibitors

#72
20070213348
2007-09-13

Cycloalkylidene compounds as modulators of estrogen receptor

#73
20070202174
2007-08-30

Mandelic acid derivatives and their use as thrombin inhibitors

#74
20070172763
2007-07-26

Fluorine-containing ethylenic monomer having hydroxyl group or fluoroalkyl carbonyl group and fluorine-containing polymer prepared by polymerization of same

#75
20070155839
2007-07-05

Cycloalkylidene compounds as modulators of estrogen receptor

#76
20070129576
2007-06-07

Process for preparing fluorine-containing norbornene derivative

#77
20070082837
2007-04-12

3-isopropyl-1-methylcyclopentyl derivatives and their use in fragrance applications

#78
20070054836
2007-03-08

3-Isopropyl-1-methylcyclopentyl derivatives and their use in fragrance applications

#79
20060167324
2006-07-27

High-purity (fluoroalkyl)benzene derivative and process for producing the same

#80
20050209459
2005-09-22

Processes for the preparation of 1,5-diryl-3-substituted-pyrazoles

#81
20050156336
2005-07-21

Process for exchanging functional groups by halogen-metal exchange reaction

#82
20050090670
2005-04-28

Process for the preparation of α-chloroketones from alkyl esters

#83
20050001333
2005-01-06

Method for producing, via organometallic compounds, organic intermediate products

#84
16561242
2020-03-31

Method for preparing resveratrol compound

#85
15495850
2019-06-25

Conversion of acetone and/or alcohol(s) to alcohol(s) and/or aliphatic hydrocarbons