1,1,1,2,2-pentamethyl-2-[2-(2-phenylethynyl)phenyl]disilane

Base Information

• Chemical Name: 1,1,1,2,2-pentamethyl-2-[2-(2-phenylethynyl)phenyl]disilane
• CAS No.: 1370259-19-0
• Molecular Formula: C₁₉H₂₄Si₂
• Molecular Weight: 308.571
• Mol file: 1370259-19-0.mol

Synonyms:1,1,1,2,2-pentamethyl-2-[2-(2-phenylethynyl)phenyl]disilane

Chemical Property of 1,1,1,2,2-pentamethyl-2-[2-(2-phenylethynyl)phenyl]disilane

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1,1,1,2,2-pentamethyl-2-[2-(2-phenylethynyl)phenyl]disilane

There total 5 articles about 1,1,1,2,2-pentamethyl-2-[2-(2-phenylethynyl)phenyl]disilane 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: 71.0%

pentamethylchlorodisilane (1560-28-7) + 1-bromo-2-(phenylethenyl)benzene (21375-88-2) → 1,1,1,2,2-pentamethyl-2-[2-(2-phenylethynyl)phenyl]disilane (1370259-19-0)

Guidance literature:

With n-butyllithium; In tetrahydrofuran; cyclohexane; at -78 - 20 ℃; Inert atmosphere;

DOI:10.1002/anie.201611719

Reference yield: 67.0%

iodobenzene (591-50-4) + 1-(2-ethynylphenyl)-1,1,2,2,2-pentamethyldisilane (1370259-28-1) → 1,1,1,2,2-pentamethyl-2-[2-(2-phenylethynyl)phenyl]disilane (1370259-19-0)

Guidance literature:

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; at 20 ℃; Inert atmosphere;

DOI:10.1039/c2ob25242b

Reference yield:

1,1,1,2,2-pentamethyl-2-{2-[2-(trimethylsilyl)ethynyl]phenyl}disilane (1370259-27-0) → 1,1,1,2,2-pentamethyl-2-[2-(2-phenylethynyl)phenyl]disilane (1370259-19-0)

Guidance literature:

Multi-step reaction with 2 steps

1: potassium carbonate / methanol / 2 h / 20 °C / Inert atmosphere

2: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine / 20 °C / Inert atmosphere

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; potassium carbonate; triethylamine; In methanol;

DOI:10.1039/c2ob25242b

upstream raw materials:

1,1,1,2,2-pentamethyl-2-{2-[2-(trimethylsilyl)ethynyl]phenyl}disilane

iodobenzene

1-(2-ethynylphenyl)-1,1,2,2,2-pentamethyldisilane

pentamethylchlorodisilane

Downstream raw materials:

1,1-dimethyl-2-phenyl-3-(trimethylsilyl)-1H-benzo[b]silole

(Z)-7,7-dimethyl-8-[phenyl(trimethylsilyl)methylene]-7-silabicyclo[4.2.0]octa-1,3,5-triene