Examples of 'heating at reflux' in a sentence
Meaning of "heating at reflux"
heating at reflux - This phrase is often used in chemistry or scientific contexts to describe a process where a liquid is continuously evaporated and condensed back into the original vessel for purification or chemical reactions
How to use "heating at reflux" in a sentence
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heating at reflux
Continue heating at reflux with azeotropic removal of water.
The reaction was returned to heating at reflux.
Extended heating at reflux is used to ensure completion of the reaction.
The stirring was continued with heating at reflux for an hour.
Heating at reflux was continued for an additional hour after completion of addition.
Preferably the reaction is carried out by heating at reflux until complete.
Heating at reflux was continued.
The reaction may advantageously be carried out by heating at reflux temperature.
After heating at reflux for four hours a dark brown solution was obtained.
The reaction is typically carried out in carbon tetrachloride with heating at reflux.
Heating at reflux on the steam bath resulted in solution of most of the solid.
Stirring is maintained under heating at reflux for another 2 hours.
Heating at reflux was continued for one additional hour after completing the addition.
The reaction mixture was heating at reflux under vigorous stirring for 1h.
Heating at reflux is maintained for 3 hours.
See also
For example, dronedarone hydrochloride is solved in acetone while heating at reflux.
Continued heating at reflux for approximately 5 hours.
The mixture became solid, but reliquefied upon heating at reflux temperature.
Stirring and heating at reflux was continued for 2h.
The solution was then allowed to warm to room temperature before heating at reflux for 10 h.
Stirring and heating at reflux was continued for 2 hours.
The stirring was continued with heating at reflux for 27 h.
After heating at reflux overnight, the reaction was concentrated.
Of hydrazine hydrate are added, and heating at reflux is carried out for 4 hours.
After heating at reflux overnight, the resulting mixture was concentrated.
After completion of the additions, heating at reflux was continued for one hour.
After heating at reflux for 1 hour the solution was cooled and water added.
After the additions were completed, the heating at reflux was continued for an additional hour.
After heating at reflux for one hour, the solution is cooled and concentrated.
The reaction was judged to be complete after heating at reflux for 30 minutes.
In one embodiment heating at reflux for a period of about 1 hour.
Hydrolyse the resultant racemic methylphenidate using 50 % KOH and heating at reflux.
Heating at reflux was continued for 30 minutes and then allowed to cool to room temperature.
Add the bromine compound and maintain heating at reflux for 12 hours.
After heating at reflux for two hours, the mixture is cooled to room temperature.
Additional hydroxylamine hydrochloride ( 500 mg, 7 mmol ) was added and heating at reflux was continued overnight.
After heating at reflux overnight, the cooled reaction was concentrated and diluted with toluene.
The reagents are initially contacted at 20-25 °C followed by heating at reflux for several hours.
After heating at reflux under argon for 8 h the mixture was cooled and the solvent evaporated.
After addition of monomers, heating at reflux and nitrogen sparge are continued an additional 10 hours.
Heating at reflux is carried out for 24 hours.
If the target was not met, the heating at reflux temperature was continued for 9 ± 6 h.
Heating at reflux is then resumed for 16 hours.
After 36 hours of heating at reflux the reaction mixture was still heterogeneous.
Heating at reflux is continued for 4 h.
Continue heating at reflux for 24 hr and cool to rt.
After heating at reflux for 30 min, the solution was concentrated in vacuo to remove methanol.
After heating at reflux for 30 min.
After heating at reflux for 20 h the solvent was evaporated to give the sub-title compound.
The heating at reflux was continued for 18 hours.
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