1,3-Di(thien-2-yl)-1,1,3,3-tetramethyldisiloxane

Base Information

• Chemical Name: 1,3-Di(thien-2-yl)-1,1,3,3-tetramethyldisiloxane
• CAS No.: 124733-28-4
• Molecular Formula: C₁₂H₁₈OS₂Si₂
• Molecular Weight: 298.577
• DSSTox Substance ID: DTXSID60559620
• Nikkaji Number: J2.588.935E
• Wikidata: Q82442387
• Mol file: 124733-28-4.mol

Synonyms:1,3-Di(thien-2-yl)-1,1,3,3-tetramethyldisiloxane;124733-28-4;[dimethyl(thiophen-2-yl)silyl]oxy-dimethyl-thiophen-2-ylsilane;SCHEMBL4351074;DTXSID60559620;1,1,3,3-Tetramethyl-1,3-di(thiophen-2-yl)disiloxane

Chemical Property of 1,3-Di(thien-2-yl)-1,1,3,3-tetramethyldisiloxane

Chemical Property:

• Boiling Point: 105-107 °C(Press: 20 Torr)
• Density: 1.09±0.1 g/cm3(Predicted)
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 4
• Exact Mass: 298.03376061
• Heavy Atom Count: 17
• Complexity: 245

Purity/Quality:

99%min ^*data from raw suppliers

1,3-DI(THIEN-2-YL)-1,1,3,3-TETRAMETHYLDISILOXANE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C[Si](C)(C1=CC=CS1)O[Si](C)(C)C2=CC=CS2

Technology Process of 1,3-Di(thien-2-yl)-1,1,3,3-tetramethyldisiloxane

There total 5 articles about 1,3-Di(thien-2-yl)-1,1,3,3-tetramethyldisiloxane 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: 82.0%

2-Iodothiophene (3437-95-4,149762-92-5) + 1,1,3,3-tetramethyl-1,3-dichlorodisiloxane (2401-73-2) → 1,1,3,3-tetramethyl-1,3-bis(2'-thienyl)disiloxane (124733-28-4)

Guidance literature:

2-Iodothiophene; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 0.5h; Inert atmosphere;

1,1,3,3-tetramethyl-1,3-dichlorodisiloxane; In tetrahydrofuran; hexane; at -78 - 20 ℃; Inert atmosphere;

DOI:10.1002/chem.201102285

Reference yield: 60.0%

dimethyl-thiophen-2-yl-silane (23395-45-1) → 1,1,3,3-tetramethyl-1,3-bis(2'-thienyl)disiloxane (124733-28-4)

Guidance literature:

With water; Wilkinson's catalyst; In benzene; at 60 ℃; for 24h;

DOI:10.1016/0022-328X(89)88003-9

Reference yield:

chlorodimethyl-2-thienylsilane (18139-63-4) → 1,1,3,3-tetramethyl-1,3-bis(2'-thienyl)disiloxane (124733-28-4)

Guidance literature:

With diethyl ether; water;

upstream raw materials:

chlorodimethyl-2-thienylsilane

dimethyl-thiophen-2-yl-silane

1,1,1-trideuteromethanol

1,1,2,2-tetramethyl-1,2-di(thiophen-2-yl)disilane

Downstream raw materials:

1-(4-(thiophen-2-yl)phenyl)ethanone

Refernces

• 1、 Hu, Shui-Sheng,Weber, William P.. "Photolysis of 1,1,2,2-tetramethyl-1,2-bis-(2'-thienyl)disilane". . p. 155 - 164. Retrieved 2007/10/02.