(9,9-Dimethyl-9H-fluoren-2,7-diyl)diboronic acid

Base Information

• Chemical Name: (9,9-Dimethyl-9H-fluoren-2,7-diyl)diboronic acid
• CAS No.: 866100-14-3
• Molecular Formula: C15H16B2O4
• Molecular Weight: 281.912
• Hs Code.: 2931900090
• Mol file: 866100-14-3.mol

Synonyms:Boronicacid, (9,9-dimethyl-9H-fluorene-2,7-diyl)bis- (9CI);

Chemical Property of (9,9-Dimethyl-9H-fluoren-2,7-diyl)diboronic acid

Chemical Property:

• Vapor Pressure: 8.12E-14mmHg at 25°C
• Refractive Index: 1.635
• Boiling Point: 569.7 °C at 760 mmHg
• Flash Point: 298.3 °C
• PSA: 80.92000
• Density: 1.32 g/cm³
• LogP: -0.64750

Purity/Quality:

99% ^*data from raw suppliers

(9,9-Dimethyl-9h-fluorene-2,7-diboronicacid ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of (9,9-Dimethyl-9H-fluoren-2,7-diyl)diboronic acid

There total 3 articles about (9,9-Dimethyl-9H-fluoren-2,7-diyl)diboronic acid 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: 80.0%

Triisopropyl borate (5419-55-6) + 2,7-dibromo-9,9-dimethyl-9H-fluorene (28320-32-3) → 9,9-dimethyl-9H-fluoren-2,7-diyl-2,7-diboronic acid (866100-14-3)

Guidance literature:

2,7-dibromo-9,9-dimethyl-9H-fluorene; With n-butyllithium; In tetrahydrofuran; at -78 ℃; for 1h; Inert atmosphere;

Triisopropyl borate; In tetrahydrofuran; for 1h; Inert atmosphere;

Reference yield: 75.0%

hydrogenchloride (7647-01-0,15364-23-5) + Triisopropyl borate (5419-55-6) + 2,7-dibromo-9,9-dimethyl-9H-fluorene (28320-32-3) → 9,9-dimethyl-9H-fluoren-2,7-diyl-2,7-diboronic acid (866100-14-3)

Guidance literature:

2,7-dibromo-9,9-dimethyl-9H-fluorene; With n-butyllithium; In tetrahydrofuran; at -78 ℃; for 1h; Inert atmosphere;

Triisopropyl borate; In tetrahydrofuran; for 1h; Inert atmosphere;

hydrogenchloride; In tetrahydrofuran; water; pH=4 - 5; Inert atmosphere;

Reference yield: 70.0%

2,7-dibromo-9,9-dimethyl-9H-fluorene (28320-32-3) → 9,9-dimethyl-9H-fluoren-2,7-diyl-2,7-diboronic acid (866100-14-3)

Guidance literature:

2,7-dibromo-9,9-dimethyl-9H-fluorene; With n-butyllithium; In tetrahydrofuran; hexane; at -70 - -65 ℃; for 6h;

With Triisopropyl borate; In tetrahydrofuran; hexane; at -70 - 20 ℃; for 1h;

With hydrogenchloride; In tetrahydrofuran; hexane; water; pH=3;

upstream raw materials:

2,7-dibromo-9,9-dimethyl-9H-fluorene

Triisopropyl borate

hydrogenchloride

Downstream raw materials:

C₃₃H₃₀O₄

Refernces

• 1、 -. "Aromatic amine derivative as well as preparation method and application thereof". Paragraph 0047; 0048; 0049; 0050. . Retrieved 2017/07/19.
• 2、 -. "Nitrogenous heterocyclic derivative and organic electroluminescence device making use of the same". Page/Page column 43-44. . Retrieved 2011/11/30.