Examples of 'dry tetrahydrofuran' in a sentence
Meaning of "dry tetrahydrofuran"
This phrase refers to tetrahydrofuran (THF), a chemical compound that is commonly used as a solvent and is available in a dried or anhydrous form
How to use "dry tetrahydrofuran" in a sentence
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dry tetrahydrofuran
The preferred solvent for this reaction is dry tetrahydrofuran.
Wash the salts with dry tetrahydrofuran and concentrate the filtrate.
The resulting solution was evaporated in vacuo and then taken up in dry tetrahydrofuran.
The salts are washed with dry tetrahydrofuran and the filtrate is concentrated.
The white solid was removed by filtration and washed with dry tetrahydrofuran.
In 30 ml of dry tetrahydrofuran was added dropwise.
It is then diluted with 5 ml of dry tetrahydrofuran.
Dry tetrahydrofuran was generated from sodium-benzophenon-ketyl under argon.
The preferred conditions are in the presence of dry tetrahydrofuran and under dry nitrogen.
Dry tetrahydrofuran ( THF ) was obtained by boiling over sodium-benzophenone under argon and under reflux.
The flask was placed under a nitrogen purge and 20 mL of dry tetrahydrofuran was added.
Dry tetrahydrofuran ( 2x15 mL ) was used to rinse in the lithium aluminum hydride solution.
Specifically, the bromoderivative is dissolved in dry tetrahydrofuran and combined with magnesium.
The dried silica was slurried into a solution of 1 g hafnium oxychloride in 40 mL dry tetrahydrofuran.
The residue is taken up in dry tetrahydrofuran and cooled to 0°C.
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Example 1 g of magnesium shavings were suspended in 42 ml of dry tetrahydrofuran.
Approximately 10 ml dry tetrahydrofuran ( THF ) were added and stirred overnight.
The product was completely dissolved in 10 ml of dry tetrahydrofuran.
Dry tetrahydrofuran ( THF ) was added to the solution to make 50 g of solvent.
The residue was dissolved in 15 ml of dry tetrahydrofuran.
The resultant dry powder was repeatedly extracted with ca 6 x 50 ml dry tetrahydrofuran.
After evaporation in vacuo, the residue was dissolved in dry tetrahydrofuran ( 20 mls ) under nitrogen.
Without further purification this material was dissolved in 100 ml of dry tetrahydrofuran.
The solid collected is washed with dry tetrahydrofuran ( 10 mL ).
The process in claim 1 or 2, characterised by carrying out the cyclisation in dry tetrahydrofuran.
To this mixture is added 20 mL of dry tetrahydrofuran.
After cooling to room temperature the mixture is diluted with 0.5ml dry tetrahydrofuran.
To the resulting solution, 4 ml of 4-methylthiophenol dissolved in dry tetrahydrofuran was added slowly.
The mixture was stirred at room temperature for 15min then filtered, washing with dry tetrahydrofuran.
Then a solution of 17.5 ml of allyl bromide in 10 ml of dry tetrahydrofuran is dropwise added.
To this solution were added, dropwise, 100cm3 of a 1M solution of sodium trimethylsilanolate in dry tetrahydrofuran.
Initial reactions were performed in dry tetrahydrofuran ( THF ).
A Grignard reagent was prepared from magnesium turnings ( 0.47 g ) and methyl bromide in dry tetrahydrofuran.
Example 8 3-Sulfopropionic anhydride is prepared at a concentration of 0.1 M in dry tetrahydrofuran prior to use.
The reaction is conveniently carried out using an organic solvent, such as dry tetrahydrofuran ( THF ).
The thick material thus obtained was dissolved in 0.8 L of dry tetrahydrofuran.
Example 9 Tetrafluorosuccinic anhydride is prepared at a concentration of 0.1 M in dry tetrahydrofuran prior to use.
Example 7 g of magnesium turnings were suspended in 150 ml of dry tetrahydrofuran.
The residue was then dissolved in a mixture of dry dimethylformamide ( 3 ml ) and dry tetrahydrofuran ( 3 ml ).
The hexanes were removed by pipette and replaced by 90 mL dry tetrahydrofuran ( THF ).
After degassing and purging with Ar three times, 100 ml dry tetrahydrofuran ( THF ) was added.
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Examples of using Tetrahydrofuran
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Tetrahydrofuran and a small piece of iodine are added
Presently preferred are either tetrahydrofuran or diethyl ether
The tetrahydrofuran is removed under reduced pressure
Examples of using Dry
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Dehumidifier does not dry the air as it should
Let it dry completely before starting it up again
Dehumidifi er does not dry the air as it should
