2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9&

Base Information

• Chemical Name: 2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9&
• CAS No.: 40231-03-6
• Molecular Formula: C9H12SSi
• Molecular Weight: 180.346
• Hs Code.: 2934999090
• Mol file: 40231-03-6.mol

Synonyms:Silane,trimethyl(2-thienylethynyl)- (9CI);1-(2-Thienyl)-2-(trimethylsilyl)acetylene;1-(Trimethylsilyl)-2-(2-thienyl)ethyne;2-Trimethylsylilethynyl-thiophene;2-[(Trimethylsilyl)ethynyl]thiophene;

Chemical Property of 2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9&

Chemical Property:

• Vapor Pressure: 0.392mmHg at 25°C
• Refractive Index: n20/D 1.549(lit.)
• Boiling Point: 203.6 °C at 760 mmHg
• Flash Point: 77 °C
• PSA: 28.24000
• Density: 0.99 g/cm³
• LogP: 2.97700
• Storage Temp.: Keep in dark place,Inert atmosphere,Room temperature

Purity/Quality:

99% ^*data from raw suppliers

2-(Trimethylsilylethynyl)thiophene >98.0%(GC) ^*data from reagent suppliers

Safty Information:

• Statements: 10
• Safety Statements: 16-26-36/37/39

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9&

There total 6 articles about 2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9& 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: 100.0%

2-Iodothiophene (3437-95-4,149762-92-5) + trimethylsilylacetylene (1066-54-2) → 2-(trimethylsilylethynyl)thiophene (40231-03-6)

Guidance literature:

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; at 20 ℃; for 2h;

DOI:10.1021/jm000939v

Reference yield: 99.0%

2-bromothiophene (1003-09-4) + trimethylsilylacetylene (1066-54-2) → 2-(trimethylsilylethynyl)thiophene (40231-03-6)

Guidance literature:

With 1,2-bis(thiophen-2-ylethynyl)benzene; bis-triphenylphosphine-palladium(II) chloride; triethylamine; In acetonitrile; for 17h; Inert atmosphere; Reflux;

DOI:10.1246/cl.2011.925

Reference yield: 93.0%

2-thienylphenyliodonium tosylate (91228-44-3) + trimethylsilylacetylene (1066-54-2) → 2-(trimethylsilylethynyl)thiophene (40231-03-6)

Guidance literature:

With sodium hydrogencarbonate; palladium diacetate; In water; acetonitrile; for 0.166667h; Ambient temperature;

DOI:10.1039/cc9960000835

upstream raw materials:

2-Iodothiophene

trimethylsilylacetylene

2-thienylphenyliodonium tosylate

2-bromothiophene

Downstream raw materials:

2-(2-(4-methoxyphenyl)ethynyl)thiophene

1-(4-trifluoromethylphenyl)-2-trimethylsilylethyne

2-(dimesitylboryl)-5-(ethynyl)thiophene

2-(5-dimesitylboryl-2-thienylethynyl)-1,3-diethyl-1,3,2-benzodiazaborole