4,4,5,5–tetramethyl–2–(4–(1,2,2–triphenylvinyl)phenyl)–1,3,2–dioxaborolane

Base Information

• Chemical Name: 4,4,5,5–tetramethyl–2–(4–(1,2,2–triphenylvinyl)phenyl)–1,3,2–dioxaborolane
• CAS No.: 1260865-91-5
• Molecular Formula: C₃₂H₃₁BO₂
• Molecular Weight: 458.408

Synonyms:4,4,5,5–tetramethyl–2–(4–(1,2,2–triphenylvinyl)phenyl)–1,3,2–dioxaborolane

Chemical Property of 4,4,5,5–tetramethyl–2–(4–(1,2,2–triphenylvinyl)phenyl)–1,3,2–dioxaborolane

Chemical Property:

• Boiling Point: 536.6±29.0 °C(Predicted)
• Density: 1.12±0.1 g/cm3(Predicted)

Purity/Quality:

99%, ^*data from raw suppliers

4,4,5,5-Tetramethyl-2-(4-(1,2,2-triphenylvinyl)phenyl)-1,3,2-dioxaborolane 98%mixTBCasstabilizer ^*data from reagent suppliers

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Technology Process of 4,4,5,5–tetramethyl–2–(4–(1,2,2–triphenylvinyl)phenyl)–1,3,2–dioxaborolane

There total 10 articles about 4,4,5,5–tetramethyl–2–(4–(1,2,2–triphenylvinyl)phenyl)–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: 98.3%

1-(4-bromophenyl)triphenylethene (34699-28-0) + bis(pinacol)diborane (73183-34-3) → 4,4,5,5–tetramethyl–2–(4–(1,2,2–triphenylvinyl)phenyl)–1,3,2–dioxaborolane (1260865-91-5)

Guidance literature:

With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate; In toluene; for 12h; Inert atmosphere; Reflux;

Reference yield: 92.0%

2,3-dimethyl-2,3-butane diol (76-09-5) + 4-(1,2,2-triphenylvinyl)phenylboronic acid (1227040-87-0) → 4,4,5,5–tetramethyl–2–(4–(1,2,2–triphenylvinyl)phenyl)–1,3,2–dioxaborolane (1260865-91-5)

Guidance literature:

In toluene; Reflux;

DOI:10.1021/ja107086y

Reference yield: 83.0%

2,3-dimethyl-2,3-butane diol (76-09-5) + Triisopropyl borate (5419-55-6) + 1-(4-bromophenyl)triphenylethene (34699-28-0) → 4,4,5,5–tetramethyl–2–(4–(1,2,2–triphenylvinyl)phenyl)–1,3,2–dioxaborolane (1260865-91-5)

Guidance literature:

1-(4-bromophenyl)triphenylethene; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 0.5h; Schlenk technique; Inert atmosphere;

Triisopropyl borate; In tetrahydrofuran; hexane; at -78 ℃; for 0.166667h; Schlenk technique; Inert atmosphere;

2,3-dimethyl-2,3-butane diol; In tetrahydrofuran; hexane; at 20 ℃; for 69h; Schlenk technique; Inert atmosphere;

DOI:10.1002/chem.202102052

upstream raw materials:

2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

1-(4-bromophenyl)triphenylethene

2,3-dimethyl-2,3-butane diol

4-(1,2,2-triphenylvinyl)phenylboronic acid

Downstream raw materials:

9,10-bis(4-(1,2,2-triphenylvinyl)phenyl)anthracene

C₆₅H₅₆O

C₃₈H₃₆O

2,4'-bis(1,2,2-triphenylvinyl)biphenyl

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