2-(3-Ethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Base Information

• Chemical Name: 2-(3-Ethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
• CAS No.: 1075719-83-3
• Molecular Formula: C₁₄H₂₁BO₂
• Molecular Weight: 232.131
• Hs Code.: 2931900090
• Mol file: 1075719-83-3.mol

Synonyms:2-(m-ethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Chemical Property of 2-(3-Ethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Chemical Property:

• Boiling Point: 322.1±21.0 °C(Predicted)
• Density: 0.97±0.1 g/cm3(Predicted)

Purity/Quality:

97% ^*data from raw suppliers

3-EthylphenylboronicAcidPinacolEster ^*data from reagent suppliers

Safty Information:

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Technology Process of 2-(3-Ethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

There total 9 articles about 2-(3-Ethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 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: 78.0%

3-ethyl-N,N,N-trimethylbenzenaminium iodide + bis(pinacol)diborane (73183-34-3) → 2-(m-ethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (1075719-83-3)

Guidance literature:

With 10H-phenothiazine; caesium carbonate; In acetonitrile; for 18h; Irradiation; Sealed tube; Inert atmosphere;

DOI:10.1021/jacs.9b12519

Reference yield: 11.0%

ethylbenzene (100-41-4,27536-89-6) + bis(pinacol)diborane (73183-34-3) → 2-(4-ethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (1075719-87-7) + 2-(m-ethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (1075719-83-3) + C20H32B2O4

Guidance literature:

With (6,6’-dimethoxy-[1,1 ‘-biphenyl]-2,2’-diyl)bis(bis(3 ,5-dimethyl-phenyl)phosphine); [(1,5-cyclooctadiene)(OH)iridium(I)]2; In hexane; at 85 ℃; for 20h; Overall yield = 80 %; regioselective reaction; Inert atmosphere; Glovebox; Sealed tube;

DOI:10.1021/jacs.5b02052

Reference yield:

ethylbenzene (100-41-4,27536-89-6) + bis(pinacol)diborane (73183-34-3) → 2-(4-ethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (1075719-87-7) + 2-(m-ethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (1075719-83-3) + 2-(2-ethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane + 4,4,5,5-tetramethyl-2-phenethyl-1,3,2-dioxaborolane (165904-22-3)

Guidance literature:

With basolite C₃₀₀; In neat (no solvent); at 100 ℃; for 24h;

DOI:10.1016/j.cattod.2020.06.034

upstream raw materials:

triethyl(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)silane

ethylbenzene

4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane

bis(pinacol)diborane

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