ClassID:

91334

C07C41/48 - CPC Classification

Classification description:

Preparation of ethers; Preparation of compounds having groups, groups or groups Preparation of compounds having groups

Sub-classes:
Recent Application in this class:
#1
20250171390
2025-05-29

PROCESS FOR PREPARING UNSATURATED ALDEHYDES

#2
20250091975
2025-03-20

PREPARATION METHOD FOR SGLT2 INHIBITOR INTERMEDIATE V

#3
20230062627
2023-03-02

Acetal compounds and processes for preparing thereof, and processes for preparing aldehyde compounds from the acetal compounds

#4
20220380280
2022-12-01

METHOD FOR ADDITION REACTION OF ACETYLENE AND KETONE COMPOUND

#5
20220204433
2022-06-30

Process and intermediates for the preparation of eldecalcitol

#6
20210403403
2021-12-30

Process for preparing (9Z,11E)-9,11-hexadecadienal

#7
20210395641
2021-12-23

Perfuming ingredients with lily of the valley note

#8
20210363454
2021-11-25

Selective acetalization / etherification process

#9
20210340093
2021-11-04

Process for the preparation of treprostinil

#10
20210061744
2021-03-04

Dialkoxyalkadienyne compound and a process for preparing the same and a process for preparing a dienynal compound

#11
20190263746
2019-08-29

Method for producing α-fluoro acrylic acid ester, and composition containing highly-pure fluorocyclopropane derivative, and composition containing highly-pure α-fluoro acrylic acid ester

#12
20190248725
2019-08-15

Process for the preparation of treprostinil

#13
20180134642
2018-05-17

Process for preparing polyoxymethylene dimethyl ethers from formaldehyde and methanol in aqueous solutions

#14
20170313643
2017-11-02

Process for the preparation of treprostinil

#15
20170297987
2017-10-19

Method of producing aliphatic aldehyde compound having terminal conjugated diene structure and intermediate therefor

#16
20160229829
2016-08-11

Method for producing asymmetric conjugated diyne compound and method for producing Z,Z-conjugated diene compound using the same

#17
20160185691
2016-06-30

One-component reagent for the fluoroalkylation reaction

#18
20160185683
2016-06-30

Process of asymmetric hydrogenation of ketals and acetals

#19
20150353463
2015-12-10

Process for the preparation of 4-methylpent-3-en-1-ol derivatives

#20
20150329456
2015-11-19

(6R,10R)-6,10,14-trimetylpentadecan-2-one prepared from 6,10,14 trimetylpentadeca-5,9,13-trien-2-one or 6,10,14-trimetylpentadeca-5,9-dien-2-one

#21
20150197601
2015-07-16

Method for producing polyalkylene glycol derivative with narrow molecular weight distribution, and acetal group-containing alcohol compound for use therein and alkali metal salt thereof

#22
20150197474
2015-07-16

Synthetic navel orangeworm pheromone composition and methods relating to production of same

#23
20150045580
2015-02-12

Difluoromethylation of aryl and vinyl iodides

#24
20140206906
2014-07-24

Synthetic navel orangeworm pheromone composition and methods relating to production of same

#25
20140171692
2014-06-19

Process for asymetric methylallylation in the presence of a 2,2′-substituted 1,1′-BI-2-naphthol catalyst

#26
20140135518
2014-05-15

Perfluoropolyvinyl modified aryl intermediates and monomers

#27
20140005434
2014-01-02

Intermediate of lycopene and preparation method of intermediate thereof

#28
20130256588
2013-10-03

Process for producing fluorinated organic compounds

#29
20130245313
2013-09-19

5-acetoxy-(E3)-3-pentenyl methoxymethyl ether and method for preparing (E3)-3-alkenyl acetate using the same

#30
20130225815
2013-08-29

Fluoroalkylation methods and reagents

#31
20130197274
2013-08-01

1,1-di[(alkylphenoxy)ethoxy]cyclohexanes

#32
20130053598
2013-02-28

METHOD FOR PRODUCING A CROSS-COUPLING PRODUCT OF A BENZENOID DIAZONIUM SALT

#33
20120316366
2012-12-13

Method of preparing 2,6,10-Trimethyl-1,1-dialkoxy-3,5,9-undecatriene used as an intermediate of lycopene

#34
20120302647
2012-11-29

Synthesis of magnolol and its analogue compounds

#35
20120289723
2012-11-15

METHOD FOR PREPARING INDENE DERIVATIVES, AND INTERMEDIATES FOR PREPARATION OF DERIVATIVES

#36
20120226077
2012-09-06

Fluoroelastomers

#37
20120197046
2012-08-02

Process for the manufacture of 2-pentyn-1-ol

#38
20120184762
2012-07-19

Process for preparation of phenyl carbamate derivatives

#39
20120142972
2012-06-07

Synthetic navel orangeworm pheromone composition and methods relating to production of same

#40
20110201809
2011-08-18

Process for preparing entecavir and its intermediates

#41
20110098508
2011-04-28

Synthetic navel orangeworm pheromone composition and methods relating to production of same

#42
20100160576
2010-06-24

PERFLUORINATED POLY(OXYMETHYLENE) COMPOUNDS

#43
20100137630
2010-06-03

Manufacture of purified alcohols

#44
20100099920
2010-04-22

Synthetic navel orangeworm pheromone composition and methods relating to production of same

#45
20100069664
2010-03-18

5,5-Diethoxy-(Z3)-3-Pentenyl Methoxymethyl Ether and Preparation Method Thereof

#46
20100068139
2010-03-18

Methods of radiofluorination of biologically active vectors

#47
20090264684
2009-10-22

FLUOROELASTOMERS

#48
20090177002
2009-07-09

Method For Preparing Indene Derivatives, And Intermediates For Preparation Of Derivatives

#49
20090143617
2009-06-04

Method for preparing (E3,Z5)-3,5-alkadienyl acetate

#50
20090105498
2009-04-23

IMPROVED PROCESS FOR PREPARING 2-(SUBSTITUTED PHENYOL)-2-HYDROXY-ETHYL-CARBAMATES

#51
20080318156
2008-12-25

Adamantane Based Molecular Glass Photoresists for Sub-200 Nm Lithography

#52
20080237027
2008-10-02

Manufacture of alcohols

#53
20080207954
2008-08-28

Method for producing polyoxymethylene dimethyl ethers from methanol and formaldehyde

#54
20080200732
2008-08-21

Novel Intermediates Useful for the Preparation of Coenzymes, Process for the Preparation of Novel Intermediates and an Improved Process for the Preparation of Coenzymes

#55
20080200702
2008-08-21

Novel Intermediates, Process for Their Preparation and Process for the Preparation of Coq10 Employing the Said Novel Intermediates

#56
20060252968
2006-11-09

Dehalogenation process

#57
20060172397
2006-08-03

Preparation of chiral propargylic alcohol and ester intermediates of himbacine analogs

#58
20060025528
2006-02-02

Fluoroelastomers

#59
20050203317
2005-09-15

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

#60
20050171388
2005-08-04

Process for preparing fluorohalogenethers