Examples of 'methylmagnesium' in a sentence
Meaning of "methylmagnesium"
'Methylmagnesium' is a noun that refers to a chemical compound composed of methyl and magnesium atoms, commonly used in organic synthesis
Show more definitions
- The univalent organometallic radical CH₃Mg- that is a part of several Grignard reagents
How to use "methylmagnesium" in a sentence
Basic
Advanced
methylmagnesium
A magnesium compound such as methylmagnesium halide or methyllithium is preferred.
It arises from the reaction of potassium hexachloroplatinate with methylmagnesium iodide.
The second nucleophile is methylmagnesium bromide expulsing the pyrazole group.
Methylmagnesium chloride is safer to use than methyllithium and is also less expensive.
Dimethylphenylphosphine is prepared by the reaction of methylmagnesium halide with dichlorophenylphosphine.
Methylmagnesium chloride is a commercially available Grignard reagent.
Preference is given to the use of methylmagnesium bromide and methylmagnesium chloride.
Methylmagnesium chloride is a Grignard reagent.
The compound obtained being heated with methylmagnesium iodide to obtain the required compound.
Methylmagnesium chloride which is dissolved in tetrahydrofurane, is added to said mixture.
The model of the molecule shows methylmagnesium chloride with the magnesium atom in the center.
In another embodiment, tetramethylcyclohexanone is added to methylmagnesium chloride.
This was then treated with methylmagnesium bromide in THF to give the desired compound.
This thiol was prepared by first reacting 6-valerolactone with an excess of methylmagnesium bromide.
Adding a methylmagnesium halide to the mixture of step a ;.
See also
According to a particular embodiment of the invention, the methylmagnesium halide is methylmagnesium chloride.
The term methylmagnesium halide refers to methylmagnesium chloride, bromide or iodide.
The process of claim 1 wherein the organometallic methylation agent is methylmagnesium halide or methylithium.
In one embodiment, said methylmagnesium chloride is free of ethylmagnesium chloride.
In another aspect of this embodiment, the first organomagnesium compound comprises methylmagnesium chloride.
In one embodiment of the use, methylmagnesium chloride is dissolved in tetrahydrofurane.
Alternatively, a compound of Structure 4 may be prepared by reacting a compound of Structure 1 with methylmagnesium bromide.
Examples of proton acceptors include methylmagnesium bromide, sodium hybride, sodium metal, and methylmagnesium chloride.
Suitable alkylation reagents are organometallic reagents, especially Grignard reagents, such as methylmagnesium chloride.
Attempts to accomplish addition of methylmagnesium bromide to the Weinreb amide linkage of 10 failed.
The methylmagnesium bromide solution was added to the indole with a double-ended needle over 10 minutes.
Additionally, the Grignard reagent may be methylmagnesium chloride in lieu of methylmagnesium bromide.
RM2X may, for example, represent a Grignard reagent such as methylmagnesium iodide.
Specific examples of the Grignard reagent include methylmagnesium chloride, ethylmagnesium bromide, and isopropylmagnesium chloride.
In Example 1, a preparation of trihalo-substituted silanes from silicon chloride and methylmagnesium chloride.
After 2 hr, an additional 3 mL of methylmagnesium bromide solution was added.
The process as recited in Claim 41, wherein the organometallic reagent in step ( a ) is methylmagnesium bromide.
The first equivalent of methylmagnesium halide reduces FeCl3 to FeCl2.
In process ( c ), suitable Grignard reagents include methylmagnesium iodide.
The corresponding methylmagnesium chloride solution ( 1.1 molar equivalent ) was added.
Strongly nucleophilic methylating agents include methyllithium ( CH3Li ) or Grignard reagents such as methylmagnesium bromide CH3MgX.
In step two, the amides 7 are reacted with methylmagnesium bromide to give the corresponding acetophenones 8.
Methylmagnesium bromide ; and ( iii ) treatment of the resulting compound with a mineral acid, e . g.
When R 3 and R 4 are methyl, the Grignard reagent is preferably methylmagnesium chloride ( dissolved in tetrahydrofuran ).
Grignard reaction of methylmagnesium bromide with C3 would give tert - alcohol C32.
The solution was re-cooled to -780 C and an equivalent portion of methylmagnesium bromide was added.
Copper ( I ) mediated Grignard addition of methylmagnesium bromide gave 41 which was selectively saponified to 42.
MeI is used to prepare the Grignard reagent, methylmagnesium iodide ( " MeMgI " ), a common source of " Me.