1777-03-3

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ETHYNYLTRIETHYLSILANE

Product Code: SIE4902.0

Cas No: 1777-03-3

R&D quantities:

5gm
$108.00

Boiling Point: 136°

Molecular Weight: 140.30

Alternative Name: TRIETHYLSILYLACETYLENE

Specific Gravity: 0.783

Flashpoint: 17°C (63°F)

HMIS Key: 2-4-1-X

Hydrolytic Sensitivity: 4: no reaction with water under neutral conditions

Formula: C8H16Si

Refractive Index: 1.4430

Application: Reacts with enol silyl ethers to form ?,?-bis-trans-?-triethylsilylethenyl ketones.1
Useful in Sonogashira cross-coupling reactions w/ more stable silyl group than the trimethylsilyl group.2

Reference: 1. Amemiya, R. et al. Tetrahedron Lett. 2006, 47, 1797.
2. Larson, G. L. “Silicon-Based Cross-Coupling Reagents” Gelest, Inc. 2011.