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234966

Sigma-Aldrich

Methyl trimethylsilylacetate

97%

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About This Item

Linear Formula:
(CH3)3SiCH2CO2CH3
CAS Number:
Molecular Weight:
146.26
Beilstein:
1098961
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

97%

form

liquid

refractive index

n20/D 1.414 (lit.)

bp

38-39 °C/13 mmHg (lit.)

density

0.891 g/mL at 25 °C (lit.)

functional group

ester

SMILES string

COC(=O)C[Si](C)(C)C

InChI

1S/C6H14O2Si/c1-8-6(7)5-9(2,3)4/h5H2,1-4H3

InChI key

JIHUZDFFYVRXKP-UHFFFAOYSA-N

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General description

Methyl trimethylsilylacetate on reaction with lithium diisopropylamide in THF at -78°C yields methyl lithiotrimethylsilylacetate. It also undergoes Peterson olefination to yield mainly Z-isomers of steroid 17β-side chain methyl acrylates.

Pictograms

FlameExclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

91.4 °F - closed cup

Flash Point(C)

33 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Conjugate addition of lithiotrimethylsilylacetate. A simple synthesis of methyl jasmonate via vicinal double alkylation.
Nishiyama H, et al.
Tetrahedron Letters, 25(23), 2487-2488 (1984)
Z-Isomers of Steroid 17?-Side Chain Methyl Acrylates.
Pouzar V, et al.
Collection of Czechoslovak Chemical Communications, 57(9), 1928-1936 (1992)

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