ClassID:

92090

C07C67/297 - CPC Classification

Classification description:

Preparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups

Recent Application in this class:
#1
20260028302
2026-01-29

PROCESS FOR PREPARING BENZOIC ACID ESTERS AND INTERMEDIATES THEREOF

#2
20260008036
2026-01-08

PREPARATION METHOD OF ION CATALYST MATERIAL FOR PET CHEMICAL RECYCLING AND PET CHEMICAL RECYCLING METHOD

#3
20250313543
2025-10-09

5-(2-BUTYL-1,3-DIOXOLAN-2-YL)-1-METHYLPENTYL ACETATE AND PROCESS FOR PREPARING 2,7-DIACETOXYUNDECANE THEREFROM

#4
20250304522
2025-10-02

METHOD FOR PRODUCING AROMATIC BIS(HYDROXYALKYL) DICARBOXYLATE AND METHOD FOR PRODUCING RECYCLED AROMATIC POLYESTER

#5
20250276951
2025-09-04

PROCESSES FOR MAKING VINYL ACETATE FROM ETHYLENE GLYCOL DIACETATE

#6
20250215149
2025-07-03

IMPROVED METHOD FOR THE DEPOLYMERIZATION OF POLYETHYLENE TEREPHTHALATE

#7
20240229084
2024-07-11

CHEMICAL AND BIOLOGICAL INTEGRATED DEGRADATION PROCESS FOR POLYETHYLENE TEREPHTHALATE (PET), FOR RECYCLING PET

#8
20240132922
2024-04-25

CHEMICAL AND BIOLOGICAL INTEGRATED DEGRADATION PROCESS FOR POLYETHYLENE TEREPHTHALATE (PET), FOR RECYCLING PET

#9
20220380285
2022-12-01

Prenylated hydroxystilbenes

#10
20220251019
2022-08-11

METHOD FOR PRODUCING GLYCEROL MONO(METH)ACRYLATE

#11
20220106253
2022-04-07

Haloalkenyl alkoxymethyl ether compound and a process for preparing a terminal conjugated alkadien-1-yl acetate compound and a terminal conjugated alkadien-1-ol compound therefrom

#12
20210347721
2021-11-11

Method for producing 1,3-bisacyloxy-2-methylene propane

#13
20200331833
2020-10-22

Prenylated hydroxystilbenes

#14
20200331823
2020-10-22

Normal alpha olefin synthesis using dehydroformylation or dehydroxymethylation

#15
20190263729
2019-08-29

Normal alpha olefin synthesis using dehydroformylation or dehydroxymethylation

#16
20190194105
2019-06-27

Prenylated hydroxystilbenes

#17
20180002260
2018-01-04

Intermediate compounds for producing perfuming ingredients

#18
20170107251
2017-04-20

NOVEL RUTHENIUM COMPLEXES AND THEIR USES IN PROCESSES FOR FORMATION AND/OR HYDROGENATION OF ESTERS, AMIDES AND DERIVATIVES THEREOF

#19
20170044086
2017-02-16

Biofuels production from bio-derived carboxylic-acid esters

#20
20160340370
2016-11-24

Method for producing 1-indanoles and 1-indanamines

#21
20160289157
2016-10-06

Selective hydrolysis and alcoholysis of chlorinated benzenes

#22
20160280627
2016-09-29

Method of producing ingenol-3-angelate

#23
20160228859
2016-08-11

USE OF CERTAIN ORGANIC MATERIALS, CONTAINING ALKALI OR ALKALINE-EARTH METALS, FOR IMPLEMENTING ORGANIC CHEMICAL REACTIONS

#24
20160185708
2016-06-30

1-(2-acyloxyethyl)cyclopropyl sulfonate compound, 3-halomethyl-3-butenyl carboxylate compound, and method for producing 4-alkyl-3-methylenebutyl carboxylate

#25
20160185707
2016-06-30

3-acyloxymethyl-3-butenyl carboxylate compound and method for producing 4-alkyl-3-methylenebutyl carboxylate

#26
20160168065
2016-06-16

Synthetic process of adipic acid

#27
20160052854
2016-02-25

Metal-catalyzed coupling of aryl and vinyl halides with alpha, alpha-difluorocarbonyl compounds

#28
20160024408
2016-01-28

One-pot process for the production of biodiesel and glycerol ether mixtures useful as biofuels

#29
20150329463
2015-11-19

Process for the preparation of ingenol-3-angelate from 20-deoxy-ingenol

#30
20150315118
2015-11-05

Method of producing ingenol-3-angelate

#31
20150307429
2015-10-29

Prenylated hydroxystilbenes

#32
20150298111
2015-10-22

Ruthenium Or Osmium Complex, Method For Its Preparation And Use Thereof

#33
20150274624
2015-10-01

Process for the preparation of ospemifene

#34
20140371451
2014-12-18

Preparation of 3,5-dioxo hexanoate ester in two steps

#35
20140336407
2014-11-13

Integrated system technique for coupling fixed bed and jet fluidized bed to separator unit

#36
20140288319
2014-09-25

Cross-metathesis reaction of functionalized and substituted olefins using group 8 transition metal carbene complexes as metathesis catalysts

#37
20140213818
2014-07-31

Process for the preparation of beta-santalol

#38
20140200363
2014-07-17

Process for preparing high purity and crystalline dimethyl fumarate

#39
20140187811
2014-07-03

Process for the preparation of beta-santalol

#40
20140046061
2014-02-13

Processes employing cyclodextrin derivative quaternary salts

#41
20130345467
2013-12-26

Processes for producing terephthalic acid and terephthalic esters

#42
20130210913
2013-08-15

Anti-tumor and anti-inflammatory dicinnamoyl-glycerol esters and their analogues

#43
20130177952
2013-07-11

Method of producing ingenol-3-angelate

#44
20130053581
2013-02-28

Intermediates for the synthesis of benzindene prostaglandins and preparations thereof

#45
20120053299
2012-03-01

Cyclopropenones and the photochemical generation of cyclic alkynes therefrom

#46
20110201809
2011-08-18

Process for preparing entecavir and its intermediates

#47
20100168466
2010-07-01

Integrated process for the production of vinyl acetate from acetic acid via acetaldehyde

#48
20090137828
2009-05-28

Synthesis of 1A-Fluoro-25-Hydroxy-16-23E-Diene-26,27-Bishomo-20-Epi-Cholecalciferol

#49
20090054681
2009-02-26

Process for producing cyclopropylphenol derivative

#50
20080091042
2008-04-17

Catalytic scriabine reaction

#51
20070155975
2007-07-05

Cross-metathesis reaction of functionalized and substituted olefins using group 8 transition metal carbene complexes as metathesis catalysts

#52
20070032402
2007-02-08

Process for producing indenol esters or ethers

#53
20060149090
2006-07-06

Process for producing chain oligolactic acid ester

#54
20060069284
2006-03-30

Esters of allyl substituted by a difluoromethylene group, method for the synthesis thereof and use thereof

#55
20060057101
2006-03-16

German cockroach attractant

#56
20060047167
2006-03-02

Method of synthesis of water soluble fullerene polyacids using a malonate reactant

#57
20050261513
2005-11-24

Process for producing indenol esters or ethers

#58
20050215814
2005-09-29

Process for preparation of esters of hydroxy tiglic Aldehydes

#59
20050203317
2005-09-15

Method of removing allyl series protecting group using novel ruthenium complex and method of synthesizing allyl ethers

#60
20050192456
2005-09-01

Method for producing a fluorinated ester compound

#61
15809002
2018-10-23

Processes for preparing cyclopenta[b]naphthalenol derivatives and intermediates thereof