3,7-bis(trimethylsilylethynyl)-5-(2,4,6-tri-tert-butylphenyl)dibenzo[b,f]borepin

Base Information

Chemical Name:3,7-bis(trimethylsilylethynyl)-5-(2,4,6-tri-tert-butylphenyl)dibenzo[b,f]borepin
CAS No.:1279129-99-5
Molecular Formula:C₄₂H₅₅BSi₂
Molecular Weight:626.881
Hs Code.:

Synonyms:3,7-bis(trimethylsilylethynyl)-5-(2,4,6-tri-tert-butylphenyl)dibenzo[b,f]borepin

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Chemical Property of 3,7-bis(trimethylsilylethynyl)-5-(2,4,6-tri-tert-butylphenyl)dibenzo[b,f]borepin

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Technology Process of 3,7-bis(trimethylsilylethynyl)-5-(2,4,6-tri-tert-butylphenyl)dibenzo[b,f]borepin

There total 11 articles about 3,7-bis(trimethylsilylethynyl)-5-(2,4,6-tri-tert-butylphenyl)dibenzo[b,f]borepin 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: 64.0%

: 1279129-77-9
2,8-dibromo-5-(2,4,6-tri-tert-butylphenyl)dibenzo[b,f]borepin

: 1066-54-2
trimethylsilylacetylene

: 1279129-99-5
3,7-bis(trimethylsilylethynyl)-5-(2,4,6-tri-tert-butylphenyl)dibenzo[b,f]borepin

Guidance literature:: 2,8-dibromo-5-(2,4,6-tri-tert-butylphenyl)dibenzo[b,f]borepin; With copper(l) iodide; diisopropylamine; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In toluene; Inert atmosphere;

trimethylsilylacetylene; In toluene; at 20 - 45 ℃; for 18h;

Reference yield: 64.0%

: 1279129-88-2
3,7-dibromo-5-(2,4,6-tri-tert-butylphenyl)dibenzo[b,f]borepin

: 1066-54-2
trimethylsilylacetylene

: 1279129-99-5
3,7-bis(trimethylsilylethynyl)-5-(2,4,6-tri-tert-butylphenyl)dibenzo[b,f]borepin

Guidance literature:: With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; diisopropylamine; In toluene; at 45 ℃; for 18h; Inert atmosphere;
DOI:10.1021/jo2001726

Reference yield:

: 495414-06-7
4-bromo-2-(bromomethyl)-1-iodobenzene

: 1279129-99-5
3,7-bis(trimethylsilylethynyl)-5-(2,4,6-tri-tert-butylphenyl)dibenzo[b,f]borepin

Guidance literature:: Multi-step reaction with 5 steps

1.1: N,N-dimethyl-formamide / 20 °C / Inert atmosphere

1.2: 18 h / 20 °C

2.1: potassium tert-butylate / tetrahydrofuran / 0.5 h / 0 °C / Inert atmosphere

2.2: 24 h / 0 - 20 °C

3.1: n-butyllithium / hexane; diethyl ether / 0.17 h / -78 °C / Inert atmosphere

3.2: 2 h / -78 °C

3.3: 18 h / 20 °C

4.1: boron trichloride / toluene; hexane / 1 h / -78 - 20 °C / Inert atmosphere

4.2: 18 h / 20 °C

5.1: diisopropylamine; copper(l) iodide / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / toluene / Inert atmosphere

5.2: 18 h / 20 - 45 °C

With copper(l) iodide; n-butyllithium; potassium tert-butylate; boron trichloride; diisopropylamine; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; diethyl ether; hexane; N,N-dimethyl-formamide; toluene;