Examples of 'halogenating agent' in a sentence
Meaning of "halogenating agent"
halogenating agent ~ a substance used to introduce halogen atoms into organic molecules, commonly used in various chemical reactions to modify the properties of the compounds
How to use "halogenating agent" in a sentence
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halogenating agent
The preferred halogenating agent is phosphorus oxychloride.
An organoaluminium halide or organoboron halide halogenating agent.
Preferably the halogenating agent is a chlorinating agent.
Thionyl chloride can conveniently be used as halogenating agent.
The preferred halogenating agent is thionyl chloride.
The halogenation is carried out with a halogenating agent.
The preferred halogenating agent is sulfuryl chloride.
A phosphorus oxyhalide is especially preferred as the halogenating agent.
A particularly preferred halogenating agent is ethylaluminum sesquichloride.
The halogenation is carried out in the presence of a halogenating agent.
The halogenating agent is preferably dissolved in a suitable solvent.
In some embodiments the second halogenating agent is thionyl chloride.
Any halogenating agent may be employed in this reaction.
The reaction is carried out in the presence of a halogenating agent.
Preferably the halogenating agent for this step is iodine.
See also
Cyclization is accomplished by contacting the amide with a halogenating agent.
The halogenating agent may be any known halogenating agent.
The above reaction is performed in the presence of a halogenating agent.
The amount of halogenating agent used is not particularly important.
One of the conditions resides in the selection of the halogenating agent.
The halogenating agent based on bromine results in higher polydispersity indices.
The cyclization is accomplished by reacting the disulfidediamide with a halogenating agent.
Examples of the halogenating agent are thionyl chloride and oxalyl chloride.
Such halogenation is typically performed by treatment with a conventional halogenating agent.
The halogenating agent or the base may also be used as a solvent.
In particular by the action of a halogenating agent such as for example thionyl chloride.
Any halogenating agent and conditions known in the art may be used.
The surface may be treated by the halogenating agent by any suitable method.
The halogenating agent was removed under vacuum with the aid of benzene.
The phenyl compound may be added in the presence of the halogenating agent.
Treatment with a halogenating agent replaces the amido groups with halogen.
In a preferred embodiment the magnesium compound is mixed with the halogenating agent.
A more preferred halogenating agent for use herein is pyridinium bromide perbromide.
Halogenation may be carried out by the treatment with a halogenating agent in an organic solvent.
Examples of such halogenating agent include phosphorous oxychloride and the like.
One skilled in the art of organic synthesis may utilize an alternate halogenating agent.
Any suitable halogenating agent may be used in the method of the invention.
The hydroxy group is thus protected from reaction with the halogenating agent.
Examples of the halogenating agent include thionyl chloride and the like.
A process according to any one of the preceding claims wherein the halogenating agent is chlorine.
Examples of the halogenating agent include the same compounds that are exemplified before.
Contacting the resulting copolymer under halogenation conditions with at least one halogenating agent.
It is preferred that the solvent for the halogenating agent is water or methylene dichloride.
The halogenating agent can be selected from a wide range of known halogenating agents.
The solvent should preferably be one which does not react with the halogenating agent.
The halogenating agent is then added to the cooled second solution to obtain a mixture.
A nitro group may be converted into a halogen atom by using any convenient halogenating agent.
Such basic halogenating agents are generally the product of a reaction of a halogenating agent with a base.
Agitation is continued for a time sufficient to disperse the precursor powder and the halogenating agent.
The halogenating agent used varies according to the starting material and is not specifically limited.
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A combination of halogenating agents may also be used
An organoaluminium halide or organoboron halide halogenating agent
The preferred halogenating agent is phosphorus oxychloride
