Examples of 'cyclic ethers' in a sentence
Meaning of "cyclic ethers"
refer to a group of organic compounds that contain a cyclic structure with an oxygen atom. These compounds have various chemical and industrial applications
How to use "cyclic ethers" in a sentence
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cyclic ethers
Cyclic ethers made by pyrolysis of carbonate esters.
The ethers may also be cyclic ethers.
Polymerization of cyclic ethers using heterogeneous catalysts.
The water is necessary to hydrolyse the cyclic ethers.
Cyclic ethers are readily generated by this approach.
Process for producing cyclic ethers by liquid phase reaction.
Cyclic ethers which are particularly preferred are oxirane derivatives.
Very suitable ethers are cyclic ethers and in particular tetrahydrofuran.
Cyclic ethers and their utilization as perfuming or flavoring ingredients.
They are characterised by comprising a multiplicity of cyclic ethers in their structures.
Suitable cyclic ethers include tetrahydrofuran and dioxane.
Such pharmaceutical composition can be substantially free of cyclic ethers.
Suitable cyclic ethers include tetrahydrofuran.
Examples of organic aprotic oxygenated solvents are saturated linear or cyclic ethers or glycol ethers.
Typical cyclic ethers include tetrahydrofuran and oxetane.
See also
It may also be used to prepare cyclic ethers that find use as solvent.
The cyclic ethers include ethylene oxide and propylene oxide.
Examples of a solvent include acetonitrile and cyclic ethers such as dioxane or tetrahydrofuran.
The use of cyclic ethers makes it possible higher reaction speeds to be obtained.
The amount of water added should be sufficient to hydrolyse the cyclic ethers present.
Polymerization of cyclic ethers using selected metal compound catalysts.
Toluene is the preferred solvent for the copolymerisation of substituted oxiranes with other cyclic ethers.
Depolymerization to cyclic ethers using selected metal compound catalysts.
More particularly, it relates to the production of cyclic ethers.
The purpose of other cyclic ethers has not been fully developed yet.
Preferred aprotic solvents are open-chained and cyclic ethers.
Fully fluorinated cyclic ethers and other perfluoro compounds may also be used.
The copolymer may also include copolymerizable substituted cyclic ethers such as substituted tetrahydrofuran.
The ability of cyclic ethers to strongly complex metal ions led to much scientific work.
Suitable solvents are for example ethers, in particular cyclic ethers.
Among the cyclic ethers used for this purpose are ethylene oxide and propylene oxide.
In a preferred embodiment, such pharmaceutical composition is substantially free of cyclic ethers.
Other cyclic ethers such as dioxane could be used in place of THF.
Process for the co-production of aliphatic diols and cyclic ethers.
Suitable cyclic ethers include THF and dioxane.
Suitable solvents are liquid amides, nitriles and openchain and cyclic ethers.
TECHNICAL BACKGROUND Cyclic ethers are polymerized by various means to give products of widespread utility.
As used herein, the term cyclic ether refers to cyclic ethers in general.
Examples of cyclic ethers are as follows,.
The solid catalyst component according to claim 3, in which the ethers are cyclic ethers.
These are the cyclic ethers composed of carbon, oxygen and hydrogen.
A " heterocyclic oxygen compound " is intended to denote cyclic ethers and esters and mixtures thereof.
The cyclic ethers are selected from tetrahydrofuran, tetrahydropyran, and the like.
Solvents include others, for example cyclic ethers such as tetrahydrofuran.
Preferred cyclic ethers include dialkyl cyclic ethers, such as dimethyl isosorbide or diisopropyl isosorbide.
The present invention relates to a process for the direct preparation of a, w-bromochloroalkanes from cyclic ethers.
As a solvent, acetonitrile and cyclic ethers such as dioxane or tetrahydrofuran may be used.
As previously indicated, the composition comprises at least one masking agent selected amongst cyclic ethers.
The monosaccharides are multi-hydroxy cyclic ethers conveniently obtained by hydrolysis of starches, cellulose or sugars.
Examples of solvents are aliphatic, cycloaliphatic and aromatic hydrocarbons and also open-chain or cyclic ethers.
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Examples of using Cyclic
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Cyclic aldehydes without other oxygen function
A direct sum of finite cyclic groups is periodic
A cyclic system with a before and an after
Examples of using Ethers
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Four ethers constitute the vital body
Foams comprised of cellulose ethers are especially preferred
Monobutyl ethers of ethylene glycol or of diethylene glycol
