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Key Documents

703591

Sigma-Aldrich

Ethylmagnesium bromide solution

greener alternative

3.4 M in 2-methyltetrahydrofuran

Sinônimo(s):

Bromoethylmagnesium

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About This Item

Fórmula linear:
CH3CH2MgBr
Número CAS:
Peso molecular:
133.27
Beilstein:
3587203
Número MDL:
Código UNSPSC:
12352103
ID de substância PubChem:
NACRES:
NA.22

forma

liquid

adequação da reação

reaction type: Grignard Reaction

características do produto alternativo mais ecológico

Safer Solvents and Auxiliaries
Use of Renewable Feedstocks
Inherently Safer Chemistry for Accident Prevention
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

concentração

3.4 M in 2-methyltetrahydrofuran
40 % (w/w)

densidade

1.142 g/mL at 25 °C

categoria alternativa mais ecológica

cadeia de caracteres SMILES

CC[Mg]Br

InChI

1S/C2H5.BrH.Mg/c1-2;;/h1H2,2H3;1H;/q;;+1/p-1

chave InChI

TWTWFMUQSOFTRN-UHFFFAOYSA-M

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Descrição geral

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product, 1.0 M in 2-methyltetrahydrofuran aligns with Safer Solvents and Auxiliaries, Use of Renewable Feedstocks and Inherently Safer Chemistry for Accident Prevention. Click here for more information.

Aplicação

Grignard reagent in greener solvent, 2-methyltetrahydrofuran (2-MeTHF)

2-Methyltetrahydrofuran (2-MeTHF): A Biomass-Derived Solvent with Broad Application in Organic Chemistry

Informações legais

Product of Albemarle US Inc

Palavra indicadora

Danger

Frases de perigo

Classificações de perigo

Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - Water-react 1

Perigos de suplementos

Código de classe de armazenamento

4.3 - Hazardous materials which set free flammable gases upon contact with water

Classe de risco de água (WGK)

WGK 2

Ponto de fulgor (°F)

24.8 °F - closed cup

Ponto de fulgor (°C)

-4 °C - closed cup

Equipamento de proteção individual

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


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The reaction of ethyl magnesium bromide and 17 alpha-ethynylestradiol with formaldehyde in the presence of triethyl phosphate or hexamethylphosphoramide gave the 2- and 4-formyl-17 alpha-ethynylestradiol in high yield. Treatment of the formyl derivatives with an alkaline solution of hydrogen peroxide
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The direct alpha-bromination of various ketones using trifluoromethanesulfonic anhydride and Grignard reagent or magnesium bromide in ether gave the corresponding alpha-bromo ketones in moderate to good yields under mild reaction conditions.
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An analytical procedure was developed for regiodistribution analysis of TAG using alpha-MAG prepared by an ethyl magnesium bromide deacylation. In the present communication, the deacylation procedure is shown to lead to representative alpha-MAG, allowing the composition of the native TAG

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