(TRIETHYLSILYL)ACETYLENE

Base Information

• Chemical Name: (TRIETHYLSILYL)ACETYLENE
• CAS No.: 1777-03-3
• Molecular Formula: C8H16Si
• Molecular Weight: 140.301
• Hs Code.: 29319090
• Mol file: 1777-03-3.mol

Synonyms:(Triethylsilyl)acetylene;(Triethylsilyl)ethyne;Triethylethynylsilane;

Chemical Property of (TRIETHYLSILYL)ACETYLENE

Chemical Property:

• Appearance/Colour: Clear colorless to faintly yellow liquid
• Vapor Pressure: 7.75mmHg at 25°C
• Melting Point: 95-97 °C(Solv: chloroform (67-66-3); hexane (110-54-3))
• Refractive Index: n20/D 1.433(lit.)
• Boiling Point: 140.2 °C at 760 mmHg
• Flash Point: 17.2 °C
• PSA: 0.00000
• Density: 0.779 g/cm³
• LogP: 2.66730
• Storage Temp.: Flammables area

Purity/Quality:

99% ^*data from raw suppliers

(Triethylsilyl)acetylene ^*data from reagent suppliers

Safty Information:

• Pictogram(s): F, Xi
• Hazard Codes: F,Xi
• Statements: 11-36/37/38
• Safety Statements: 16-26-36/37/39

MSDS Files:

SDS file from LookChem

Useful:

• Uses: (Triethylsilyl)acetylene may be used in the synthesis of triethylsilylethynyl anthradithiophenes, such as : 2,8-dimethyl-5,11-bis(triethylsilylethynyl)ADT (ADT= anthradithiophene)2,8-diethyl-5,11-bis(triethylsilylethynyl)ADT2,8-dipropyl-5,11-bis(triethylsilylethynyl)ADT

Technology Process of (TRIETHYLSILYL)ACETYLENE

There total 10 articles about (TRIETHYLSILYL)ACETYLENE which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 83.0%

triethylsilyl chloride (994-30-9) + acetylene (74-86-2,25067-58-7) → 2-triethylsilylacetylene (1777-03-3)

Guidance literature:

acetylene; With n-butyllithium; In tetrahydrofuran; at 0 ℃; for 1h;

triethylsilyl chloride; In tetrahydrofuran; Further stages.;

DOI:10.1021/jo025745x

Reference yield: 82.0%

triethylsilyl chloride (994-30-9) + sodium acetylide (1066-26-8) → 2-triethylsilylacetylene (1777-03-3)

Guidance literature:

In tetrahydrofuran; at 0 ℃; for 12h; Solvent; Temperature; Inert atmosphere; Reflux; Large scale;

Reference yield:

triethylsilyl chloride (994-30-9) + Trichloroethylene (79-01-6) → 2-triethylsilylacetylene (1777-03-3)

Guidance literature:

With lithium; In tetrahydrofuran;

DOI:10.1016/S0022-328X(00)80233-8

upstream raw materials:

triethyl-bromo-silane

acetylenemagnesium bromide

triethylsilyl chloride

Trichloroethylene

Downstream raw materials:

Ru(-CH=CH-SiEt₃)Cl(CO)(PPh₃)2

tetraphenyldistibane

trans-(p-tolyl)(P(p-tolyl)3)2Pt(triethylsilylhexatriynyl)

Refernces

• 1、 -. "Synthesis method for ethynyltriethylsilane". Paragraph 0025; 0026. . Retrieved 2016/10/10.
• 2、 Yoshimitsu, Shin-Ichi,Hikichi, Shiro,Akita, Munetaka. "Synthesis and characterization of coordinatively unsaturated alkynyl- and aryl-cobalt complexes with 15 valence electrons, TpiPr2Co-R, bearing the hydrotris(3,5-diisopropylpyrazolyl)borato ligand (TpiPr2)". . p. 3762 - 3773. Retrieved 2008/10/08.