1,4-di(trimethylsilylethynyl)-2,3,5,6-tetramethylbenzene

Base Information

• Chemical Name: 1,4-di(trimethylsilylethynyl)-2,3,5,6-tetramethylbenzene
• CAS No.: 617673-62-8
• Molecular Formula: C₂₀H₃₀Si₂
• Molecular Weight: 326.629
• Mol file: 617673-62-8.mol

Synonyms:1,4-di(trimethylsilylethynyl)-2,3,5,6-tetramethylbenzene

Chemical Property of 1,4-di(trimethylsilylethynyl)-2,3,5,6-tetramethylbenzene

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

Useful:

Technology Process of 1,4-di(trimethylsilylethynyl)-2,3,5,6-tetramethylbenzene

There total 1 articles about 1,4-di(trimethylsilylethynyl)-2,3,5,6-tetramethylbenzene 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:

1,2,4,5-tetramethylbenzene (95-93-2) → 1,4-di(trimethylsilylethynyl)-2,3,5,6-tetramethylbenzene (617673-62-8)

Guidance literature:

Multi-step reaction with 2 steps

1: iodine; bis-[(trifluoroacetoxy)iodo]benzene / 20 °C / Inert atmosphere

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

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; iodine; diethylamine; bis-[(trifluoroacetoxy)iodo]benzene;

DOI:10.1002/anie.201709127

Reference yield: 92.0%

1,4-di(trimethylsilylethynyl)-2,3,5,6-tetramethylbenzene (617673-62-8) → 1,4-diethynyl-2,3,5,6-tetramethylbenzene (81833-15-0)

Guidance literature:

With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 20 ℃;

DOI:10.1016/S0040-4020(00)00528-7

Reference yield: 10.0%

1,4-di(trimethylsilylethynyl)-2,3,5,6-tetramethylbenzene (617673-62-8) → C20H26Br4Si2

Guidance literature:

With N-Bromosuccinimide; dibenzoyl peroxide; Reflux; Inert atmosphere;

DOI:10.1002/anie.201709127

upstream raw materials:

1,2,4,5-tetramethylbenzene

Downstream raw materials:

1,4-diethynyl-2,3,5,6-tetramethylbenzene