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237310

Sigma-Aldrich

Methyl 2-bromobutyrate

97%

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Linear Formula:
CH3CH2CHBrCOOCH3
CAS Number:
Molecular Weight:
181.03
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

97%

form

liquid

refractive index

n20/D 1.452 (lit.)

bp

137-138 °C/50 mmHg (lit.)

density

1.573 g/mL at 25 °C (lit.)

SMILES string

CCC(Br)C(=O)OC

InChI

1S/C5H9BrO2/c1-3-4(6)5(7)8-2/h4H,3H2,1-2H3

InChI key

UFQQDNMQADCHGH-UHFFFAOYSA-N

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Application

Methyl 2-bromobutyrate has been employed as reagent in the synthesis of:
  • racemic indene ester via Reformatsky reaction with 5-methoxy-1-indanone
  • (E)-2-methoxymethylene-butyric acid methyl ester via Reformatsky reaction with α,α-dichloromethyl methyl ether in the presence of zinc dust
  • (E)-2-methoxymethylene-butyryl chloride

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

WGK

WGK 3

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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An efficient enantioselective synthesis of an indane acetic acid derivative: methyl (2S)-2-[(1S)-5-hydroxy-2, 3-dihydro-1H-inden-1-yl] butanoate.
Zhang M, et al.
Tetrahedron Asymmetry, 14(22), 3447-3453 (2003)
Thomas Hjelmgaard et al.
Organic & biomolecular chemistry, 4(9), 1796-1805 (2006-04-25)
This paper describes the development of a straightforward experimental protocol for copper-mediated cross-coupling of amino acid derived beta-amido-alkylzinc iodides 1 and 3 with a range of acid chlorides. The present method uses CuCN.2LiCl as the copper source and for organozinc

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