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403482

Sigma-Aldrich

3-(Trimethylsilyl)propynoic acid

98%

Synonym(s):

3-(Trimethylsilyl)propiolic acid

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About This Item

Linear Formula:
(CH3)3SiC≡CCO2H
CAS Number:
5683-31-8
Molecular Weight:
142.23
Beilstein/REAXYS Number:
1755674
MDL number:
MFCD00190216
UNSPSC Code:
12352100
PubChem Substance ID:
24865196
NACRES:
NA.22

Quality Level

100

assay

98%

bp

105-110 °C/10 mmHg (lit.)

mp

47-49 °C (lit.)

SMILES string

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

InChI

1S/C6H10O2Si/c1-9(2,3)5-4-6(7)8/h1-3H3,(H,7,8)

InChI key

IPEATTYBFBRNEB-UHFFFAOYSA-N

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Application

3-(Trimethylsilyl)propynoic acid (3-(Trimethylsilyl)propiolic acid) may be used as starting reagent for the synthesis of 3-trimethylsilylpropynamides.
3-(Trimethylsilyl)propynoic acid may be used in the regioselective preparation of 1,5-trisubstituted 1H-1,2,3-triazoles.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Certificates of Analysis (COA)

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Steven J Coats et al.
Organic letters, 7(8), 1469-1472 (2005-04-09)
[reaction: see text] A regioselective method for the preparation of 1,5-trisubstituted 1H-1,2,3-triazoles via a 1,3-dipolar cycloaddition of 1-trimethylsilylacetylenes with organoazides is described. Immobilization of the azide on REM resin and subsequent cycloaddition afforded a 2 x 2 x 4 x
One-Pot Synthesis of 3-(Trimethylsilyl) propynamides.
Medvedeva AS, et al.
Russ. J. Org. Chem., 46(10), 1466-1470 (2010)
Yevgen Matviychuk et al.
Journal of magnetic resonance (San Diego, Calif. : 1997), 319, 106814-106814 (2020-09-20)
Low-cost, user-friendly benchtop NMR instruments are often touted as a "one-click" solution for data acquisition, however insufficient peak dispersion in their spectra often reduces the accuracy of quantification and requires user expertise with sophisticated processing tools. Our work aims to

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