Examples of 'cyclic ether' in a sentence
Meaning of "cyclic ether"
Cyclic ether: This phrase is a chemical term referring to a type of organic compound that contains an ether group attached to a cyclic (ring-shaped) structure. Cyclic ethers have unique properties and are commonly used in various industrial applications and organic synthesis processes
How to use "cyclic ether" in a sentence
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cyclic ether
Most preferably the cyclic ether is tetrahydrofuran.
A cyclic ether solvent such as tetrahydrofuran.
The most preferred cyclic ether is ethylene oxide.
It is a monobasic carboxylic acid containing five cyclic ether rings.
The preferred cyclic ether is tetrahydrofuran.
In a particularly preferred embodiment of the present invention the ether is a cyclic ether.
In some cases unpolymerized cyclic ether may act as a solvent.
Examples of cyclic ether compounds include ethylene oxide and propylene oxide.
The chemical constitution of the cyclic ether must also be considered.
This is just the general way that we name any type of cyclic ether.
The operation preferably takes place in a cyclic ether such as tetrahydrofuran or dioxane.
The cyclic ether group may be saturated or unsaturated and may contain other inert substitution.
Examples of diol protecting groups are cyclic ether protecting groups such as isopropylidene or benzylidene.
The ether compound is chosen from linear ether compounds and cyclic ether compounds.
The compound having a cyclic ether skeleton may be a compound having an oxetane ring.
See also
An aqueous mixture of a lower alkanol such as methanol and a cyclic ether such as tetrahydrofuran.
Commercially available cyclic ether ketones can be reacted in a Wittig reaction to produce olefinesters.
These copolymers are prepared by copolymerizing trioxane with a cyclic ether having the structure.
Here, the cyclic ether is preferably tetrahydrofuran.
The polyether polyols are generally made by polymerizing a cyclic ether compound onto an initiator compound.
Examples of the cyclic ether include tetrahydrofuran and 2-methyltetraliydrofuran.
It is particularly preferable that the compound having a cyclic ether skeleton contains an epoxy compound.
A cyclic ether such as tetrahydrofuran, in the presence of a reducing agent.
The Lewis bases may be an ether or a cyclic ether.
The preferred cyclic ether is THF.
At present, tetrahydrofuran is a widely used cyclic ether.
Copolymers of THF and at least one cyclic ether are well known in the art.
In a preferred embodiment, the organic solvent is a cyclic ether.
The resulting cyclic ether is non-cytotoxic.
Ethylene oxide The smallest cyclic ether.
An epoxide is a cyclic ether with a three-atom ring.
Muscone and civetone are macrocyclic ketones, ambroxide is a cyclic ether.
Preferably, the cyclic ether is an alkylene based epoxide.
Preferably an aliphatic hydrocarbon is used as the solvent, or an aliphatic or cyclic ether.
The cyclic ether can be dioxane, tetrahydrofuran and a mixture thereof.
One hour later, the corresponding cyclic ether product was obtained.
New cyclic ether derivatives, their preparation and their use.
Polyalkyleneoxides are generally synthesized by ring-cleaving polymerization of a cyclic ether compound.
As used herein, the term cyclic ether refers to cyclic ethers in general.
Process accordng to claim 1, characterized in that said liquid cyclic ether is tetrahydrofuran.
The cyclic ether or formal is incorporated by the breaking of an oxygen-to-carbon linkage.
The process according to claim 2 wherein said cyclic ether solvent is tetrahydrofuran.
Here, the organic solvent is preferably a non-protic polar solvent or cyclic ether.
For example, a representative three-membered cyclic ether group is an oxiranyl group.
The cyclic ether modified silicone compounds of the invention have the general formula,.
Inorganic salts, atomic absorption analysis is carried out on the cyclic ether extract.
In the present example, a cyclic ether has been selected with a TTF and a DNP moiety.
Furthermore, the chain ether solvent is expensive compared with a cyclic ether solvent.
There were thus obtained the cyclic ether starting materials described in the following table, - Notes.
The solid catalyst component according to claim 5, in which the cyclic ether is tetrahydrofurane.
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