2-(9H-Fluoren-2-yl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane

Base Information

• Chemical Name: 2-(9H-Fluoren-2-yl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane
• CAS No.: 922706-40-9
• Molecular Formula: C₁₉H₂₁BO₂
• Molecular Weight: 292.186
• Hs Code.: 2934999090
• Mol file: 922706-40-9.mol

Synonyms:FLUORENE-2-BORONIC ACID PINACOL ESTER;AMTB249;

Chemical Property of 2-(9H-Fluoren-2-yl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane

Chemical Property:

• Melting Point: 78 °C
• Boiling Point: 435.7±24.0 °C(Predicted)
• PSA: 18.46000
• Density: 1.11±0.1 g/cm3(Predicted)
• LogP: 3.55700
• Storage Temp.: Sealed in dry,Room Temperature
• Solubility.: soluble in Methanol

Purity/Quality:

97% ^*data from raw suppliers

2-(2-Fluorenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-(9H-Fluoren-2-yl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane

There total 11 articles about 2-(9H-Fluoren-2-yl)-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: 100.0%

2-bromo-9H-fluorene (1133-80-8) + bis(pinacol)diborane (73183-34-3) → 2-(9H-fluoren-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (922706-40-9)

Guidance literature:

With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; potassium acetate; In N,N-dimethyl-formamide; at 60 ℃; for 22h; Inert atmosphere;

Reference yield: 95.0%

2-iodo-9H-fluorene (2523-42-4) + bis(pinacol)diborane (73183-34-3) → 2-(9H-fluoren-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (922706-40-9)

Guidance literature:

With 10H-phenothiazine; caesium carbonate; In acetonitrile; for 36h; Irradiation; Sealed tube; Inert atmosphere;

DOI:10.1021/jacs.9b12519

Reference yield: 77.0%

N,N-dimethyl-2-aminofluorene (13261-62-6) + bis(pinacol)diborane (73183-34-3) → 2-(9H-fluoren-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (922706-40-9)

Guidance literature:

With air; In 1,4-dioxane; at 20 ℃; for 48h; Irradiation;

DOI:10.1021/acs.orglett.1c03590

upstream raw materials:

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

9H-fluorene

2-chloro-1,3,2-benzodioxaborole

2-bromo-9H-fluorene

Downstream raw materials:

C₆₅H₆₀N₂O₄

Bianthryl-(2,2')