C07C41/50 - CPC Classification Index

ClassID:

91335 ⎘

C07C41/50 - CPC Classification

Classification description:

Preparation of ethers; Preparation of compounds having groups, groups or groups; Preparation of compounds having groups by reactions producing groups

Sub-classes:

C07C41/52 » by substitution of halogen only 8
C07C41/54 » by addition of compounds to unsaturated carbon-to-carbon bonds 22
C07C41/56 » by condensation of aldehydes, paraformaldehyde, or ketones 53

Recent Application in this class:

20240400484

2024-12-05

HALOALKYL ALKOXYMETHYL ETHER COMPOUND, AND PROCESS FOR PREPARING 13,15-DIMETHYLHEPTACOSANE THEREFROM AND FOR PREPARING SYNTHETIC INTERMEDIATE THEREFOR

20240360062

2024-10-31

HALOGENATED ETHER-CONTAINING ELECTROLYTES

20230372903

2023-11-23

CATALYSTS FOR SELECTIVE OXIDATION OF METHANOL TO DIMETHOXYMETHANE AND RELATED METHODS

20230046597

2023-02-16

METHOD FOR PRODUCING OXYMETHYLENE ETHER

20220119332

2022-04-21

Process for the production of acetals from carbon dioxide

20210061744

2021-03-04

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

20210009489

2021-01-14

11-halo-3-undecene compound and a process for preparing the same and a process for preparing 9-dodecenal compound

20200308089

2020-10-01

Synthesis of fluoro hemiacetals via transition metal-catalyzed fluoro ester and carboxamide hydrogenation

20190031587

2019-01-31

Method for producing α,α-difluoroacetaldehyde

#10

20170320807

2017-11-09

Method for preparing methyl formate and coproducing dimethyl ether

#11

20170197899

2017-07-13

Method for improving preservation stability of 2,2-difluoroacetaldehyde

#12

20170088496

2017-03-30

PROCESSES AND SYSTEMS FOR GENERATING GLYCEROL ETHERS THROUGH TRANSETHERIFICATION

#13

20170081602

2017-03-23

Facilitated oxygenate separations and synthetic fuel production via reactive distillation

#14

20170057902

2017-03-02

Method for producing halogenated acrylic acid derivative

#15

20150197473

2015-07-16

Process for producing α-fluoroaldehydes

#16

20140288333

2014-09-25

Process for preparing or recovering acetals or ketals by means of pervaporation

#17

20140227161

2014-08-14

System and method for extraction of chemicals from lignocellulosic materials

#18

20140194654

2014-07-10

Process for producing α-fluoroaldehydes

#19

20140114093

2014-04-24

System and method for continuously producing polyoxymethylene dialkyl ethers

#20

20140114092

2014-04-24

System and method for continuously producing polyoxymethylene dimethyl ethers

#21

20140066660

2014-03-06

Method for producing dialkoxy alkanes by partial oxidation of lower alcohols in the presence of a catalyst based on molybdenum and iron

#22

20140066640

2014-03-06

Direct trifluoromethylations using trifluoromethane

#23

20140005434

2014-01-02

Intermediate of lycopene and preparation method of intermediate thereof

#24

20130197274

2013-08-01

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

#25

20110288343

2011-11-24

Method for synthesizing polyoxymethylene dimethyl ethers catalyzed by an ionic liquid

#26

20110287991

2011-11-24

METHOD FOR MANUFACTURING A BIOMASS-DERIVED METHYL METHACRYLATE

#27

20110118507

2011-05-19

METHOD FOR PRODUCING DIALKOXY ALKANES BY PARTIAL OXIDATION OF LOWER ALCOHOLS IN THE PRESENCE OF A CATALYST BASED ON MOLYBDENUM AND IRON

#28

20110071322

2011-03-24

Method for the synthesis of dialkoxy alkanes by means of the selective oxidation of alcohols

#29

20110054221

2011-03-03

Process of oxidative conversion of methanol

#30

20100280276

2010-11-04

Process for preparing 2-hydroxyacetals and the corresponding 2-hydroxyalkanals

#31

20100113837

2010-05-06

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

#32

20100105954

2010-04-29

Process for preparing tetrafluorobenzene carbaldehyde alkyl acetal

#33

20100069664

2010-03-18

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

#34

20100056830

2010-03-04

Method for synthesizing polyoxymethylene dimethyl ethers by ionic liquid catalysis

#35

20100036158

2010-02-11

Process for preparing 3-amino-5-fluoro-4-dialkoxypentanoic acid ester

#36

20100016641

2010-01-21

CONVERSION OF GLYCEROL TO NAPHTHA-RANGE OXYGENATES

#37

20090326083

2009-12-31

Hydrofluoroacetal compounds and processes for their preparation and use

#38

20090143617

2009-06-04

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

#39

20090105507

2009-04-23

Process for preparing partial oxidation products of lower alcohols by direct oxidation of a lower alcohol and catalysts for use in that process

#40

20080207955

2008-08-28

Method for the production of polyoxymethylene dialkyl ethers from trioxan and dialkylethers

#41

20050203317

2005-09-15

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

#42

20050154226

2005-07-14

Oxidation of methanol and/or dimethyl ether using supported molybdenum-containing heteropolyacid catalysts

#43

20050059839

2005-03-17

Process and catalysts for the oxidation of methanol and/or ethanol

#44

14586094

2016-02-23

Conversion of alcohols to longer chain aldehydes or alcohols