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Merck

417246

Dimethylzinc solution

1.0 M in heptane

Sinonimo/i:

Dimethylzinc

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Informazioni su questo articolo

Formula condensata:
(CH3)2Zn
Numero CAS:
544-97-8
Peso molecolare:
95.46
UNSPSC Code:
12352103
NACRES:
NA.22
PubChem Substance ID:
24866132
MDL number:
MFCD00014854
Beilstein/REAXYS Number:
3587195

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Nome del prodotto

Dimethylzinc solution, 1.0 M in heptane

InChI

1S/2CH3.Zn/h2*1H3;

SMILES string

C[Zn]C

InChI key

AXAZMDOAUQTMOW-UHFFFAOYSA-N

form

liquid

concentration

1.0 M in heptane

bp

44-46 °C

density

0.724 g/mL at 25 °C

Quality Level

100

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Questo articolo
220809364401406023
Dimethylzinc solution 1.0 M in heptane

Sigma-Aldrich

417246

Dimethylzinc solution

Diethylzinc solution 15 wt. % in toluene

Sigma-Aldrich

220809

Diethylzinc solution

Dimethylzinc solution 2.0 M in toluene

Sigma-Aldrich

364401

Dimethylzinc solution

Diethylzinc solution 1.0 M in heptane

Sigma-Aldrich

406023

Diethylzinc solution

density

0.724 g/mL at 25 °C

density

0.915 g/mL at 25 °C

density

0.931 g/mL at 25 °C

density

0.74 g/mL at 25 °C

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

concentration

1.0 M in heptane

concentration

15 wt. % in toluene

concentration

2.0 M in toluene

concentration

1.0 M in heptane

bp

44-46 °C

bp

-

bp

-

bp

98 °C

form

liquid

form

liquid

form

-

form

liquid

Application

Dimethylzinc solution can be used as:
  • A catalyst with nickel for the stereoselective C−2 alkenylation and dialkenylation of pyridine derivatives by alkynes to give monoalkenylation products.[1]
  • A reagent with aldehydes and 2-methoxyaniline for the synthesis of enantioselective alkyl and aralkyl secondary amines via one-pot three-component coupling reaction in the presence of zirconium tetraisopropoxide.[2]
  • A methylating reagent for methylation of fluoroalkylated pyruvates in the presence of copper/chiral diphosphine catalyst.[3]

General description

Dimethylzinc (Zn(CH3)2) is a methylating reagent used to prepare methylated organic compounds as well as organometallic compounds containing methyl groups [4][5]. It is also utilized as a reagent to prepare amino alcohols, oximes, and hydrazones from arylamines, alkoxyamines, and dialkylhydrazines respectively, by radical addition reaction in the presence of air and THF.[6]

Dimethylzinc is a diorganozinc reagent and nucleophile used in the synthesis of propargylic amines. [7][6]

signalword

Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Pyr. Liq. 1 - Skin Corr. 1B - STOT SE 3 - Water-react 2

target_organs

Central nervous system

Classe di stoccaggio

4.2 - Pyrophoric and self-heating hazardous materials

wgk

WGK 3

flash_point_f

30.2 °F - closed cup

flash_point_c

-1 °C - closed cup

ppe

Faceshields, Gloves, Goggles

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Certificati d'analisi (COA)

Lot/Batch Number
SHBN5111
SHBL2186
SHBJ4691
SHBH1126V
SHBF9286V

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Kohsuke Aikawa et al.
Beilstein journal of organic chemistry, 14, 576-582 (2018-04-07)
The catalytic asymmetric methylation of fluoroalkylated pyruvates is shown with dimethylzinc as a methylating reagent in the presence of a copper catalyst bearing a chiral phosphine ligand. This is the first catalytic asymmetric methylation to synthesize various α-fluoroalkylated tertiary alcohols
Formation of transient dimethylzinc, dimethylcadmium, and dimethyllead species via methylation of zinc (2+), cadmium (2+), and lead (2+) by a trans-dimethylcobalt complex
Witman MW and Weber JH
Inorganic Chemistry, 16(10), 2512-2515 (1977)
Dimethylzinc-mediated alkynylation of imines
Lorenzo Z et al.
The Journal of Organic Chemistry, 71, 1558-1562 (2006)
Tito Akindele et al.
Accounts of chemical research, 42(2), 345-355 (2008-12-31)
Developments in modern organic synthesis owe much to the field of radical chemistry. Mild reaction conditions, high selectivity, good functional group tolerance and high product yield are features that have made reactions involving radical species indispensable tools for synthetic chemists.
Diethylzinc
Georges-Pierre and E
Synlett, 1937-1938 (2014)
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