2,4,6-tris-(4-triisopropylsilanyloxyphenyl)cyclotriboroxane

Base Information

• Chemical Name: 2,4,6-tris-(4-triisopropylsilanyloxyphenyl)cyclotriboroxane
• CAS No.: 1254708-21-8
• Molecular Formula: C₄₅H₇₅B₃O₆Si₃
• Molecular Weight: 828.776
• Mol file: 1254708-21-8.mol

Synonyms:2,4,6-tris-(4-triisopropylsilanyloxyphenyl)cyclotriboroxane

Chemical Property of 2,4,6-tris-(4-triisopropylsilanyloxyphenyl)cyclotriboroxane

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

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Technology Process of 2,4,6-tris-(4-triisopropylsilanyloxyphenyl)cyclotriboroxane

There total 3 articles about 2,4,6-tris-(4-triisopropylsilanyloxyphenyl)cyclotriboroxane 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: 92.0%

Triisopropyl borate (5419-55-6) + 4-bromo-1-(triisopropylsilyloxy)benzene (193966-77-7) → 2,4,6-tris-(4-triisopropylsilanyloxyphenyl)cyclotriboroxane (1254708-21-8)

Guidance literature:

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

DOI:10.1016/j.tet.2015.04.023

Reference yield: 76.0%

4-bromo-1-(triisopropylsilyloxy)benzene (193966-77-7) → 2,4,6-tris-(4-triisopropylsilanyloxyphenyl)cyclotriboroxane (1254708-21-8)

Guidance literature:

4-bromo-1-(triisopropylsilyloxy)benzene; With n-butyllithium; In tetrahydrofuran; at -78 ℃; for 1.16667h; Inert atmosphere;

With Triisopropyl borate; at 23 ℃; for 12h;

Reference yield:

4-bromo-phenol (106-41-2) + triisopropylsilyl chloride (13154-24-0) → 2,4,6-tris-(4-triisopropylsilanyloxyphenyl)cyclotriboroxane (1254708-21-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 1H-imidazole / 1,2-dichloro-ethane / 3 h / Reflux; Inert atmosphere

2: n-butyllithium / hexane; tetrahydrofuran / -78 - 20 °C / Inert atmosphere

With 1H-imidazole; n-butyllithium; In tetrahydrofuran; hexane; 1,2-dichloro-ethane;

DOI:10.1016/j.tet.2015.04.023

upstream raw materials:

4-bromo-1-(triisopropylsilyloxy)benzene

4-bromo-phenol

triisopropylsilyl chloride

Triisopropyl borate