Examples of 'pentafluorophenyl' in a sentence
Meaning of "pentafluorophenyl"
Pentafluorophenyl is a noun that refers to a chemical group containing five fluorine atoms attached to a phenyl ring, commonly used in organic chemistry reactions
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- A phenyl group in which the five hydrogen atoms have been replaced by those of fluorine ( C₆F₅- )
How to use "pentafluorophenyl" in a sentence
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pentafluorophenyl
Particular esters include pentafluorophenyl or succinyl esters.
The pentafluorophenyl residue may be mentioned as an example.
One popular halogenated aromatic group is pentafluorophenyl.
Succinyl or pentafluorophenyl esters may also be employed.
A most preferred triaryl boron compound is tris pentafluorophenyl borane.
The pentafluorophenyl magnesium halide as a Grignard reagent used in the above United States Patent No.
Preferred perfluoroaryl groups include pentafluorophenyl and heptafluoronaphthyl groups.
The substituted aryl groups also include tetrafluorophenyl and pentafluorophenyl.
An activated ester such as the pentafluorophenyl ester is preferably used.
An example of phenyl substituted by 5 halogens is pentafluorophenyl.
Preparations of pentafluorophenyl esters.
Also, substituted aryl groups include tetrafluorophenyl and pentafluorophenyl.
More preferably the activator comprises pentafluorophenyl boranes and pentafluorophenyl borates.
In addition, substituted aryl groups include tetrafluorophenyl and pentafluorophenyl.
TLC revealed that all of the pentafluorophenyl ester had been consumed.
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The pentafluorophenyl pyruvate used as the starting material was prepared as follows,.
These impurities are often byproducts from the synthesis of the pentafluorophenyl boron compound.
Consequently, pentafluorophenyl magnesium bromide was obtained as a diisopropyl ether solution.
In a preferred embodiment of the invention, the halosubstituted aromatic moiety is pentafluorophenyl.
Consequently, pentafluorophenyl magnesium bromide was obtained as a dibutyl ether solution.
Alternative examples thereof include active esters, for example, pentafluorophenyl esters.
Consequently, a pentafluorophenyl magnesium derivative is obtained as the fluoroaryl magnesium derivative.
In addition, substituted aryl groups can also include tetrafluorophenyl and pentafluorophenyl.
Consequently, pentafluorophenyl magnesium bromide is obtained in the form of a tetrahydrofuran solution.
Thus, for example, optionally substituted aryl could represent a pentafluorophenyl or a phenyl ring.
Consequently, pentafluorophenyl magnesium bromide was obtained in the form of a diethyl ether solution.
Thus, for example, optionally substituted aryl can represent a pentafluorophenyl or a phenyl ring.
Consequently, pentafluorophenyl magnesium bromide was obtained in the form of a light yellow tetrahydrofuran solution.
Although any active ester is appropriate, the compounds are illustrated with pentafluorophenyl esters.
Consequently, pentafluorophenyl magnesium bromide was obtained in the form of a colorless dipropyl ether solution.
Preferred hydrocarbylthio groups and halohydrocarbylthio groups include methylthio, phenylthio, and pentafluorophenyl groups.
Consequently, pentafluorophenyl magnesium bromide was obtained in the form of a colorless t-butylmethyl ether solution.
Preferred hydrocarbyloxy groups and halohydrocarbyloxy groups include methoxy, phenoxy, and pentafluorophenyl groups.
Consequently, pentafluorophenyl magnesium bromide was obtained in the form of a colorless diisopropyl ether solution.
However, phenyl-substituted lanthanide complexes are more thermally stable than the pentafluorophenyl complexes.
Consequently, a diethyl ether solution of pentafluorophenyl magnesium bromide, which is fluoroaryl magnesium halide, was obtained.
In one group of preferred embodiments, Ar is pentafluorophenyl.
For example, Rx may be pentafluorophenyl or trifluoromethyl.
A process according to Claim 39 wherein said chloropentafluorobenzene or bromopentafluorobenzene is converted into a pentafluorophenyl Grignard reagent.
As reactive ester, pentafluorophenyl ester and N-hydroxy succinimide ester are especially preferred.
A composition according to claim 6 wherein R1 each occurrence is pentafluorophenyl.
The process of claim 5, wherein Q is selected from pentafluorophenyl radical and a polymeric hydrocarbyl radical.
Consequently, pentafluorophenyl magnesium bromide was obtained in the form of a colorless 1,2-dimethoxy ethane solution.
Key words, organozinc complex, pentafluorophenyl transfer agent.
Examples of substituted phenyl and substituted aryl include para-nitrophenyl, ortho-nitrophenyl, dinitrophenyl, and pentafluorophenyl.
However, in the method of synthesizing pentafluorophenyl magnesium bromide disclosed in J. Chem.
Most preferably, Q is at each occurrence a fluorinated aryl group, especially, a pentafluorophenyl group.
The method for manufacturing pentafluorophenyl magnesium halide disclosed in J. Organometal.
Of all these example fluoroaryl magnesium derivatives ( 4 ), the most preferred is pentafluorophenyl magnesium bromide.
A mole ratio of the pentafluorophenyl magnesium bromide and boron trifluoride diethyl etherate is 1.6.
