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92775

Sigma-Aldrich

Trimethylsilyl 3-(trimethylsilyl)propynoate

purum, ≥97.0% (GC)

Synonym(s):

3-(Trimethylsilyl)propynoic acid trimethylsilyl ester, Trimethylsilyl (trimethylsilyl)acetylenecarboxylate

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About This Item

Linear Formula:
(CH3)3SiC≡CCO2Si(CH3)3
CAS Number:
97927-35-0
Molecular Weight:
214.41
MDL number:
MFCD00043302
UNSPSC Code:
12352100

grade

purum

Assay

≥97.0% (GC)

refractive index

n20/D 1.44 (lit.)

bp

64-65 °C/1.5 mmHg (lit.)

mp

~25 °C

shipped in

wet ice

storage temp.

−20°C

SMILES string

C[Si](C)(C)OC(=O)C#C[Si](C)(C)C

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Other Notes

Esters of trimethylsilyl-propinoic acid are useful reagents for [2+2+2]-cycloadditions and similar reactions

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K.P.C. Vollhardt
Angewandte Chemie (International Edition in English), 96, 525-525 (1984)
K.C. Nicolaou et al.
Journal of the Chemical Society. Chemical Communications, 421-421 (1985)

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