Examples of 'electron withdrawing' in a sentence
Meaning of "electron withdrawing"
electron withdrawing - Refers to atoms or groups of atoms in a molecule that have a tendency to attract or withdraw electrons towards themselves. This property is commonly observed in certain functional groups and affects the reactivity and polarity of the molecule
How to use "electron withdrawing" in a sentence
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electron withdrawing
Electron withdrawing groups are known in the art.
Nitro is one of preferred electron withdrawing groups.
Electron withdrawing property is a combination of induction and resonance.
Cyano group is an electron withdrawing group.
The electron withdrawing group may be either an activating group or a deactivating group.
The halogenated substituents are electron withdrawing.
The presence of electron withdrawing substituents is especially preferred.
This may be achieved by using as a substituent an electron withdrawing group.
The preferred electron withdrawing groups are free of active hydrogens.
Such activation is often unnecessary if the halogen is activated by an electron withdrawing group.
Typical substituents may be electron withdrawing or electron donating groups.
Electron withdrawing groups are well known to a person skilled in the art of organic synthesis.
X represents an electron withdrawing group.
Electron withdrawing groups or donating groups can be attached that facilitate hole or electron transport.
Substituents may be groups with electron withdrawing or electron donating properties.
See also
Activated methylene groups have a methylene group between two strong electron withdrawing groups.
Z is electron withdrawing substituent.
The hydroxyl groups are much better electron withdrawing than the ester groups.
Suitable electron withdrawing groups and electron releasing groups are generally known in the art.
It should be noted that one or more different electron withdrawing anions can be used.
The electron withdrawing effect of the trichloromethyl group activates the nitrile group for nucleophilic additions.
The use of alkyl spacers may somewhat diminish the electron withdrawing capability.
Compounds that contain strong electron withdrawing groups are easily converted to the corresponding enolates.
The reagents which are used to increase MI are electron withdrawing in effect.
An electron withdrawing group or EWG draws electrons away from a reaction center.
Phenylsulfonylacetic acids having strongly electron withdrawing groups on the phenyl ring are particularly preferred.
A Michael acceptor is a molecule that has an alkene adjacent to an electron withdrawing group.
The Ar groups are in themselves electron withdrawing and may be unsubstituted.
Electron withdrawing or donating group A is incorporated into the structure as a moderator of acetal stability.
An example of such an electron withdrawing group W is a carbonyl group.
Particularly preferred radical scavengers are those in which W is an electron withdrawing group.
EWG refers to electron withdrawing group and includes the substituents identified above.
Under the substituent E the present invention understands all kind of electron withdrawing substituents.
The group L is an electron withdrawing group which stabilises the anion intermediate in the process.
Is hydrogen, an optionally substituted hydrocarbyl group or an electron withdrawing group ;.
Where Z is an electron withdrawing functional group.
Preferably, the substituents are selected from bulky or electron withdrawing groups.
By electron withdrawing substituents, the formation of amide chloride is facilitated.
Additionally, these substituents have some electron withdrawing capabilities.
I is an electron withdrawing leaving group ;.
A preferred substituent on the six-member carbon ring is an electron withdrawing group.
Presumably, such electron withdrawing substituents could retard oxidation.
The group at the 4 - position of the pyridine ring is preferably an electron withdrawing group.
Typically, the electron withdrawing group may be deactivating group.
However, the number of fluorinated monomers with strong electron withdrawing ability is quite limited.
Thus, electron withdrawing groups draw electrons away from a reaction center.
Additionally or alternatively, the electron withdrawing group is not an alkyl group.
The electron withdrawing group is usually a carbonyl, but can also be a nitrile or nitro group.
The 8-substituents in those molecules have electron withdrawing inductive effects relative to hydrogen.
Preferred electron withdrawing groups include nitro, carboxy, sulphonyl and halo groups.
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Examples of using Withdrawing
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Settlement of accounts with withdrawing or excluded members
Examples of using Electron
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An electron microscope and also liquid nitrogen
