Examples of 'lewis base' in a sentence
Meaning of "lewis base"
lewis base: A Lewis base is a chemical species that can donate a pair of electrons to form a covalent bond, according to the Lewis acid-base theory in chemistry
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- Any nucleophylic compound that can donate a pair of electrons and form a coordinate covalent bond.
How to use "lewis base" in a sentence
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lewis base
A lewis base is described as an electron pair donor.
The electron pair donor is a Lewis base.
Lewis base can also comprise phosphines.
There is no single order of Lewis base strengthsEdit.
Lewis base is an electron pair donor.
Such agent is a sterically hindered Lewis base.
Preparation of lewis base complexes of alkali metal salts.
The argon acts as a Lewis base.
A Lewis base may also be present as a stabilizer.
The proton donor is a Lewis base.
The organic Lewis base is preferably an amine.
Ethers are a preferred type of Lewis base.
The organic Lewis base may be an organic amine.
The means may be an electron donor or Lewis base.
A Lewis base is an electron donor.
See also
Methyltetrahydrofuran behaves like tetrahydrofuran as a Lewis base in organometallic reactions.
The Lewis base need only be present in a catalytic amount.
It is also known as a Lewis base.
A Lewis base is a substance which can donate an electron pair.
Preferably the substituted cyclopentadienyl carries a pendant Lewis base.
This may occur by adding a Lewis base to the polymerization mixture.
A solvent with a high donor number is a strong Lewis base.
If the amount of Lewis base is too large it may act as a poison.
In general such an additive should have a Lewis base character.
These organic Lewis base may be used alone or in combination of two or more.
Simplest are those that react directly with the Lewis base.
In this copolymer a Lewis base group is incorporated into the copolymer backbone.
A series of binaphtyl templated silyliums bearing an intramolecular Lewis base were synthesized.
Many other Lewis base complexes of tungsten and molybdenum hexafluorides have been prepared.
Compositions of this invention can be further derived from a Lewis base.
A Lewis base is a substance that can donate a pair of electrons to form a new bond.
The functional acyclic olefin can serve as the Lewis base.
The reaction of Lewis base and aluminoxane may take place at atmospheric pressure.
The compounds can be treated with an appropriate amount of Lewis base.
This may be additional to any Lewis Base compound present in the particulate solid.
The surface of the oxides of the catalyst is doped by the Lewis base.
This compound may be a Lewis base or a cyclically or linearly unsaturated compound with resonant electrons.
Randomizer compounds useful in the invention are generally exemplified by Lewis base compounds.
The Lewis acid and the Lewis base are added to form the activator complex.
The internal electron donors referenced in the procedure are typically a Lewis base.
Typically a suitable Lewis base will have a Lewis basicity greater than or equal to diethylether.
Such can be used either alone or in combination with another Lewis base.
The monoether constitues therefore an external Lewis Base and intervenes only during the polymerization.
Nitrogen enters the powder addition vessel during transfer of the Lewis base.
The second solvent is a Lewis base that promotes the reaction between trialkoxysilanes and alcohol.
In addition to water another added critical ingredient of this invention is the Lewis base.
The choice and amount of the solvent for the Lewis base depends on its solubility.
The XB interaction becomes stronger as the distance decreases between the halogen and Lewis base.
The Lewis base can remove most of the stoichiometric excess organoaluminum from the carrier surface.
Lewis acid is a chemical species that reacts with a Lewis base to form a Lewis adduct.
