Examples of 'methyllithium' in a sentence
Meaning of "methyllithium"
Methyllithium is a highly reactive lithium alkyl compound used in organic synthesis as a strong base and as a nucleophile
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- The binary organometallic compound CH₃Li that is used in organic synthesis
How to use "methyllithium" in a sentence
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methyllithium
The filtrate consists of fairly pure methyllithium.
Most commercially available methyllithium consists of this complex.
Preferred methylating agents include methyl grignard and methyllithium.
Most reactions involving methyllithium are conducted below room temperature.
A magnesium compound such as methylmagnesium halide or methyllithium is preferred.
One equimol of methyllithium in ether was added dropwise to the solution.
The use of MeMgI has been somewhat superseded by the commercially available methyllithium.
Methyllithium is mainly used as the synthetic equivalent of the methyl anion synthon.
Methylmagnesium chloride is safer to use than methyllithium and is also less expensive.
The reaction mixture developed a very dark blue color after complete addition of methyllithium.
Methyllithium in the presence of a Lewis acid such as boron trifluoride ethyl etherate.
The related chlorocarbene ( ClHC ) can be generated from methyllithium and dichloromethane.
Methyllithium is usually not prepared, but purchased as a solution in various ethers.
A white microcrystalline precipitate formed, but the reaction proceeded well upon the addition of the methyllithium.
Methyllithium is the simplest organolithium reagent with the empirical formula CH3Li.
See also
A process as recited in Claim 1 wherein the alkyllithium reagent comprises methyllithium.
If one equivalent of methyllithium or other alkyllithium is used, the mono-brominated cyclopropene is obtained.
To this solution was added dropwise 0.5 mol of methyllithium in ether.
Operations involving methyllithium require anhydrous conditions, because the compound is highly reactive toward water.
Li + MeBr → LiMe + LiBrThe lithium bromide forms a complex with the methyllithium.
Treatment of 1 with methyllithium followed by rapid quenching with DCl leads to a predominantly cis-monodeuterated product.
The preferred methylation reagent is methyllithium as an 8 % solution in DEM.
Methyllithium ( 3 equivalents ) is slowly added to the ethereal solution.
A process as recited in Claim 1 or 2 wherein the alkyllithium is methyllithium.
Halide-free " methyllithium is prepared from methyl chloride.
Li + MeBr → LiMe + LiBr The lithium bromide forms a complex with the methyllithium.
Strongly nucleophilic methylating agents include methyllithium ( CH3Li ) or Grignard reagents such as methylmagnesium bromide CH3MgX.
The process of claim 10 wherein the methylating agent is CH3MgBr, or methyllithium.
Mol of methyllithium were added dropwise as a 1.6 M solution in ether.
The reaction is cooled to -78 °C and methyllithium is added dropwise.
Reaction of methyllithium on 8.22 leads to the tertiary alcohol.
Thus trimethylborane and methyllithium react to form the ate compound Me4B-Li +, lithium tetramethylborate1.
