Examples of 'halogen substituents' in a sentence
Meaning of "halogen substituents"
halogen substituents - This phrase refers to chemical compounds in which hydrogen atoms are replaced by halogen elements such as fluorine, chlorine, bromine, or iodine
How to use "halogen substituents" in a sentence
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halogen substituents
Preferred halogen substituents are fluorine and chlorine.
Exemplary of suitable substituents are alkyl and halogen substituents.
The above halogen substituents are preferably fluoro.
The potassium carboxylates have little or no halogen substituents.
Particularly preferred halogen substituents are chlorine and bromine.
Halogen substituents are current most preferred.
Derivatives containing only halogen substituents and their salts.
Suitable halogen substituents are fluorine and especially chlorine and bromine.
In all cases chlorine and bromine are preferred as halogen substituents.
The halogen substituents are then replaced by cyano using similarly known methods.
Represents phenyl substituted with one or more halogen substituents.
It appears from the above that halogen substituents can be introduced into various IPN constituents.
The aromatic ring may be substituted with alkyl or halogen substituents.
One or more halogen substituents may be present in the R group.
Fluorine substituents are generally significantly more labile than other halogen substituents.
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One or more of such halogen substituents may be present in the R group.
Aryl fluorides are generally significantly more labile than other halogen substituents.
Halogen substituents are preferably fluorine, chlorine or bromine.
A further more preferred embodiment is when the two halogen substituents are chloro.
Examples of halogen substituents include fluorine, chlorine, bromine and iodine.
However, generally from one to three halogen substituents is preferred.
The halogen substituents are selected from fluorine, chlorine and bromine.
Non-limiting examples of suitable halogen substituents include bromo, chloro and fluoro.
The term " haloalkyl " or the like refers to substituents having one or more halogen substituents.
Examples of the halogen substituents referred to above are fluorine, chlorine and bromine.
Phenol or phenol-alcohol derivatives containing only halogen substituents and their salts.
Advantageously, different halogen substituents may be introduced into the polyphenol monomer.
When the halogen amount is small, the average number of halogen substituents is small.
Preferred halogen substituents for the displacement reaction are fluoro, chloro, or bromo.
When the halogen amount is large, the average number of halogen substituents is large.
Derivatives containing only halogen substituents and their salts, of phenols or phenol-alcohols.
In Scheme 15 is shown how thiazoles and oxazoles with halogen substituents can be prepared.
The possible halogen substituents are chlorine, bromine and fluorine ; chlorine and bromine are preferred.
A compound of Claim 1 wherein G is substituted with one or two halogen substituents.
Polyhalo-aromatic compounds having more than two halogen substituents per molecule which can optionally be employed.
Halogen substituents are for example fluoro, chloro, bromo or iodo.
Alkyl groups referred to herein may have 1, 2 or 3 halogen substituents.
Derivatives containing only halogen substituents and their salts, of phenols or phenol-alcohols excl. pentachlorophenol ISO.
Halogen substituents are, for example, fluorine, chlorine or bromine, in particular chlorine.
In general, however, from 1 to 5 halogen substituents are preferred, from 1 to 3 substituents being more preferred.
Halogen substituents are bromo, fluoro, iodo, and chloro.
Of the halogen substituents fluoro, chloro and bromo, chloro is preferred.
Exemplary halogen substituents include chlorine, bromine, fluorine and iodine, with chlorine being preferred.
Halogen substituents are currently most preferred, especially 1 or more, such as 1 to 3, fluorine atoms.
Halogen substituents for phenyl are preferably - F, - Cl and - Br.
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Examples of using Halogen
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W quartz halogen lamp if used without a filter
Replacing flash tubes and halogen lamps
W quartz halogen lamp if a green filter is used
Examples of using Substituents
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Substituents at the meta position influence regioselectivity
A wide variety of alkyl substituents have been investigated
The substituents and their positions are indicated
