2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-didodecylfluorene

Base Information

• Chemical Name: 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-didodecylfluorene
• CAS No.: 749900-93-4
• Molecular Formula: C₄₉H₈₀B₂O₄
• Molecular Weight: 754.794
• Mol file: 749900-93-4.mol

Synonyms:2,2'-(9,9-didodecyl-9H-fluorene-2,7-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

Chemical Property of 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-didodecylfluorene

Chemical Property:

• Melting Point: 75.0 to 79.0 °C
• Boiling Point: 774.8±53.0 °C(Predicted)
• Density: 0.99±0.1 g/cm3(Predicted)

Purity/Quality:

97% ^*data from raw suppliers

2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-didodecylfluorene >98.0%(HPLC) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-didodecylfluorene

There total 4 articles about 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-didodecylfluorene 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%

2,3-dimethyl-2,3-butane diol (76-09-5) + 9,9-didodecylfluorene-2,7-diboronic acid (480424-86-0) → 2,2'-(9,9-didodecyl-9H-fluorene-2,7-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (749900-93-4)

Guidance literature:

In toluene; Reflux; Inert atmosphere;

DOI:10.1039/c3cc41189c

Reference yield: 90.0%

2,7-dibromo-9,9-di-n-dodecylfluorene (286438-45-7) + 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (61676-62-8) → 2,2'-(9,9-didodecyl-9H-fluorene-2,7-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (749900-93-4)

Guidance literature:

2,7-dibromo-9,9-di-n-dodecylfluorene; With tert.-butyl lithium; In tetrahydrofuran; pentane; at -78 ℃; for 1h; Inert atmosphere;

2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; In tetrahydrofuran; pentane; at -78 - 20 ℃; Inert atmosphere;

DOI:10.1021/ol8000574

Reference yield: 87.0%

2,7-dibromo-9,9-di-n-dodecylfluorene (286438-45-7) + bis(pinacol)diborane (73183-34-3) → 2,2'-(9,9-didodecyl-9H-fluorene-2,7-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (749900-93-4)

Guidance literature:

With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; In N,N-dimethyl-formamide; at 90 ℃; for 12h;

DOI:10.1021/acs.macromol.5b00631

upstream raw materials:

2,7-dibromo-9,9-di-n-dodecylfluorene

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

bis(pinacol)diborane

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

Downstream raw materials:

dimethyl 6,6'-(9,9-didodecylfluorene-2,7-diyl)bis(3-bromobenzoate)

C₅₃H₇₀O₄