Examples of 'is tetrahydrofuran' in a sentence
Meaning of "is tetrahydrofuran"
{'a': 'Is tetrahydrofuran: This phrase appears to be incomplete and lacks context for a specific definition. It may be intended as a question or part of a larger statement related to the chemical compound tetrahydrofuran.'},
How to use "is tetrahydrofuran" in a sentence
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is tetrahydrofuran
Preferred for the process is tetrahydrofuran or dioxan.
The solvent is tetrahydrofuran and the detector is a refractive index detector.
Preferably the ethereal solvent used is tetrahydrofuran.
The inert solvent preferably is tetrahydrofuran and the base preferably is collidine.
The most preferred ethereal solvent is tetrahydrofuran.
Preferably, the solvent is tetrahydrofuran and the metal hydride is lithium aluminum hydride.
The most preferred electron donor is tetrahydrofuran.
Preferably, the organic solvent is tetrahydrofuran and the organic base is lithium diisopropylamide.
The preferred solvent in this case is tetrahydrofuran.
The ether is tetrahydrofuran or dimethyl isosorbide ; or a mixture thereof ;.
Most preferably the nonprotic solvent is tetrahydrofuran.
The elution solvent is tetrahydrofuran and the elution rate 1 mL / min.
The more preferable solvent used is tetrahydrofuran.
The preferred solvent is tetrahydrofuran ( THF ), dimethylformamide, or dichloromethane.
The most preferred inert solvent is tetrahydrofuran.
See also
The eluent used is tetrahydrofuran with 0.1 vol % of trifluoroacetic acid.
Generally the most preferred solvent is tetrahydrofuran.
The catalyst system of claim 1 wherein Ln is tetrahydrofuran ( THF ), acetonitrile, pyridine, diethylether or bipyridine.
The preferred anhydrous organic solvent is tetrahydrofuran.
Preferred is tetrahydrofuran ( THF ).
Another solvent which may be used is tetrahydrofuran.
The preferred solvent is tetrahydrofuran and the preferred temperature is between -45 °C and 0 °C.
A preferred ether that will be used is tetrahydrofuran.
Preferred for the process is tetrahydrofuran or dimethylformamide.
A preferred solvent for all synthetic steps is tetrahydrofuran.
Preferably the solvent is tetrahydrofuran or diethylether.
An example of a solvent usable for this purpose is tetrahydrofuran.
Typically the solvent is tetrahydrofuran or methanol.
A preferred solvent according to the method of the invention is tetrahydrofuran.
Commonly employed of them is tetrahydrofuran or chloroform.
An inert solvent that can typically be used in the synthesis is tetrahydrofuran.
Most preferred is tetrahydrofuran.
A preferred base for this reaction is lithium hexamethyldisilazide while a preferred solvent is tetrahydrofuran.
The elution solvent is tetrahydrofuran.
A convenient solvent when lithium tri - tert - butoxyaluminiohydride is used as the reducing agent is tetrahydrofuran.
Preferably the ether is tetrahydrofuran.
Preferred solvents include tetrahydrofuran, dioxane, ether, diglyme, toluene and HMPA ; more preferred is tetrahydrofuran.
Preferred solvent is tetrahydrofuran.
Presently preferred solvent for use in the practice of the present invention is tetrahydrofuran.
Preferably, the ether is tetrahydrofuran or dioxane.
The most preferred base is sodium hydride and the most preferred solvent is tetrahydrofuran.
The preferred organic solvent is tetrahydrofuran or ether dioxane, alcohol.
Preferably the water soluble organic solvent is tetrahydrofuran.
A suitable solvent is tetrahydrofuran.
Procedure according to claims 1-4, characterised in that solvent used in step a is tetrahydrofuran.
The method of claim 1, wherein the solvent is tetrahydrofuran or dimethyl formamide.
Process according to claim 5, characterised in that said polar aprotic solvent is tetrahydrofuran.
In certain embodiments, the solvent is tetrahydrofuran and the acid is acetic acid.
In the preparation of compound of formula I the neutral solvent is tetrahydrofuran.
More preferably, the reaction solvent is tetrahydrofuran or 2-methyltetrahydrofuran.
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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
