Examples of 'lewis bases' in a sentence
Meaning of "lewis bases"
lewis bases - In chemistry, this phrase refers to substances or molecules that donate electron pairs to form coordinate covalent bonds with other substances or molecules. Lewis bases are also known as nucleophiles and are an essential concept in understanding chemical reactions and bonding.
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- plural of Lewis base
How to use "lewis bases" in a sentence
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lewis bases
Lewis bases may also be used.
By way of example Lewis bases can be mentionned.
Lewis bases can also be classified according to their denticities.
Not all hydrides are powerful Lewis bases.
Lewis bases are chemicals that can donate electron pairs.
It forms adducts with a variety of Lewis bases.
Lewis bases that are often employed include aromatic esters or amines.
Some of the main classes of Lewis bases are.
Lewis bases such as tertiary amines and pyridines increase the reaction rate.
These multidentate Lewis bases are called chelating agents.
The compound forms complexes with Lewis bases.
The Lewis bases may be an ether or a cyclic ether.
Suitable polar compounds include the Lewis bases.
Suitable Lewis bases are for example alkali metal alcoholates.
It is known that ionic catalysts are deactivated by Lewis bases.
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Combinations of any of these Lewis bases can also be used.
Ethers may be mentioned as an example of suitable weak Lewis bases.
Other common Lewis bases include pyridine and its derivatives.
This compound forms adducts with many Lewis bases.
A wide variety of such Lewis bases are well known in the art.
The electron donor compounds are known as such or as Lewis bases.
Typical Lewis bases are conventional amines such as ammonia and alkyl amines.
Said nickel precursors can optionally be complexed with Lewis bases.
Many types of Lewis bases can be employed to treat the polymerization mixture.
Said nickel precursors may optionally be complexed with Lewis bases.
The hydrocarbyl groups of the above Lewis bases are preferably alkyl groups.
The electron donor compounds are sometimes also referred to as Lewis bases.
These Lewis bases may be added singly or in combination of two or more species.
Its dominating reaction pattern involves formation of adducts with Lewis bases.
Preferred Lewis bases are nitriles and ethers such as benzonitrile and tetrahydrofuran.
It functions as a Lewis acid and combines with Lewis bases like ammonia to form adducts.
The Lewis bases which are present in the reaction medium are polyalcohols and aminic catalysts.
New chiral organocatalysts were afterwards synthesized by analogy with achiral Lewis bases previously employed.
Ethers serve as Lewis bases and Bronsted bases.
All ligands contain at least one lone pair of electrons and are therefore Lewis bases.
Other reagents such as other organometallic compounds or Lewis bases may also optionally be included.
Lewis bases constitute the third group of dry grinding aid agents, and particularly contain alcohols.
The reacting ligands are Lewis bases.
Also, some Lewis bases increase reactivity of organolithium compounds.
Nucleophilic substitution by Lewis bases.
Common Lewis bases include isocyanides, tertiary phosphines and arsines, and alkenes.
Suitable catalysts can be either Lewis bases or Lewis acids.
Examples of Lewis bases which are suitable for this purpose are pyridine and 8-hydroxyquinoline.
Adducts often form between Lewis acids and Lewis bases.
Mixtures of Lewis bases may be employed, but use of a single Lewis base is preferred.
The accelerants include Lewis acids and Lewis bases.
Neutral Lewis bases are well known in the art of Ziegler-Natta catalyst polymerisation technology.
By donating a pair of electrons, ligands act as Lewis bases.
The Lewis bases are the third group of dry-grinding aid agents, and contain alcohols.
Because nucleophiles donate electrons, they are by definition Lewis bases.
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