Examples of 'n-butyl lithium' in a sentence
Meaning of "n-butyl lithium"
n-butyl lithium ~ a chemical compound used in organic synthesis and as a polymerization initiator
How to use "n-butyl lithium" in a sentence
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n-butyl lithium
The presently preferred initiator is n-butyl lithium.
Additional n-butyl lithium was added as to start the polymerization reaction.
The preferred organolithium initiator is n-butyl lithium.
Examples of strong bases are n-butyl lithium and lithium diisopropyl amide.
A second reaction was performed with inverse addition of n-butyl lithium.
Suitable bases include n-butyl lithium or isopropylmagnesium chloride ; preferably isopropylmagnesium chloride.
Typical examples of an organoalkaline is n-butyl lithium or phenyl lithium.
The n-butyl lithium and sec-butyl lithium are preferred.
Similar monomer solutions were polymerized with n-butyl lithium as an initiator.
Of these compounds, n-butyl lithium and sec-butyl lithium are preferred.
Particularly preferred is n-butyl lithium.
A lower alkyllithium such as n-Butyl lithium in an inert solvent such as hexane is added.
The impurities in the system were titrated by stepwise addition of n-butyl lithium.
Of these, sodium hydride or n-butyl lithium is preferred.
The process of claim 6 in which said hydrocarbyl lithium compound is n-butyl lithium.
See also
Lithiation of 14 in ether using n-butyl lithium occurs at low temperature.
A well known catalyst for anionic polymerization of linear polymers in solution is n-butyl lithium.
The amine-anion is generated by treatment with either n-butyl lithium or isopropylmagnesium chloride.
The aryl lithium may be prepared by treating a corresponding aromatic compound with n-butyl lithium.
Example 4 was initiated with n-butyl lithium and quenched with isopropyl alcohol.
In a particular embodiment, the initiator is n-butyl lithium.
Upon the addition of the n-butyl lithium solution, the solution appeared yellow.
The reactor charge contained hexane as a solvent and n-butyl lithium as a catalyst.
A 1.6M solution in hexane of n-butyl lithium was added dropwise to the suspension at room temperature.
Said órgano lithium derivative is preferably selected from n-butyl lithium and sec-butyl lithium.
Then additional n-butyl lithium was added as to start the polymerization reactions of Examples 1 to 3.
In some embodiments, the initiator comprises n-butyl lithium.
N-Butyl lithium is added over 5 minutes and stirring continued for one hour.
In some embodiments, the alkyl lithium is n-butyl lithium.
Of these, n-butyl lithium and sec-butyl lithium are preferable.
In some such embodiments, the strong base is n-butyl lithium.
The method of claim 2, wherein n-butyl lithium is reacted with the 8-hydroxyquinoline or substituted 8-hydroxyquinoline.
The process according to claim 1, wherein alkyllithium is n-butyl lithium.
Example 1 was initiated with n-butyl lithium and quenched with the Schiff 's base ( DMa ) BMA.
The suspension of claim 6 in which the anionic catalyst is n-butyl lithium.
Treatment of the substituted benzene with, for example, n-butyl lithium removes an ortho proton.
The method of claim 5 wherein the organolithium compound is n-butyl lithium.
A compound of formula RM1 is preferably used, n-butyl lithium being especially preferred.
About 2 equivalents of an alkyllithium are then reacted with 2, preferably n-butyl lithium.
Intermediate F was treated with 2 equivalents of n-butyl lithium at - 78°C to generate the dianion.
A preparation process according to claim 2, wherein the alkyl lithium is n-butyl lithium.
The organo-derivative of lithium is preferably selected from n-butyl lithium and sec-butyl lithium.
The process according to any of claims 2-4, wherein the metallation agent is n-butyl lithium.
Suitable bases include, for example, sodium hydride, sodium alkoxide, n-butyl lithium or lithium diisopropylamide.
Other bases, such as n-hexyl lithium, may also be used in place of n-butyl lithium.
The process of claim 5, wherein said órgano lithium compound includes n-butyl lithium or sec-butyl lithium.
The method of claim 1, wherein the alkyl lithium base is n-butyl lithium.
The catalyst of claim 2 wherein the alkyl lithium compound is n-butyl lithium.
The process of Claim 1, wherein the strong base is n-butyl lithium.
The method of Claim 2 wherein the organolithium reagent is n-butyl lithium.
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