7,7-di-n-butyl-7-germanorbornadiene

Base Information

• Chemical Name: 7,7-di-n-butyl-7-germanorbornadiene
• CAS No.: 122951-47-7
• Molecular Formula: C₄₂H₄₂Ge
• Molecular Weight: 619.385
• Mol file: 122951-47-7.mol

Synonyms:

Chemical Property of 7,7-di-n-butyl-7-germanorbornadiene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 7,7-di-n-butyl-7-germanorbornadiene

There total 1 articles about 7,7-di-n-butyl-7-germanorbornadiene 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:

o-fluorobromobenzene (1072-85-1) + 1,1-dibutyl-2,3,4,5-tetraphenylgermole (122951-51-3) → 7,7-di-n-butyl-7-germanorbornadiene (122951-47-7)

Guidance literature:

With magnesium; In tetrahydrofuran; addn. of 2-bromofluorobenzene at 0°C, stirring of the mixture at 20°C until nearly all Mg dissolves; evapn. of THF, dissoln. in CH2Cl2, filtration, evapn. of solvent, addn. of ethanol, column chromy. (silica gel, benzene/hexane=1/3); elem. anal.;

Reference yield: 63.0%

7,7-di-n-butyl-7-germanorbornadiene (122951-47-7) + acetylene (74-86-2,25067-58-7) → (C4H9)2GeC4H4 (125518-31-2) + 1,2,3,4-tetraphenylnaphthalene (751-38-2)

Guidance literature:

tetrakis(triphenylphosphine) palladium⁽⁰⁾; In toluene; heating soln. of Ge-compd. and catalyst in toluene (70°C), bubbling HCCH into soln. (3 h); chromy. (silica gel, hexane) or destn. (80-90°C, 0.04 Torr); MS;

Reference yield:

7,7-di-n-butyl-7-germanorbornadiene (122951-47-7) → poly(di-n-butylgermylene) (122951-56-8) + 1,2,3,4-tetraphenylnaphthalene (751-38-2)

Guidance literature:

In solid matrix; Irradiation (UV/VIS); quartz UV cell, degassing by three freeze-pump-thaw cycles, placing th cell int aquartz windowed Dewar filled with liquid N2, irradn. with a low-pressure mercury lamp (254 nm) at 77K in 3-methylpentane matrix, warming to room temp., recooling to 77K; not isolated, detd. by UV;

upstream raw materials:

o-fluorobromobenzene

1,1-dibutyl-2,3,4,5-tetraphenylgermole

Downstream raw materials:

poly(di-n-butylgermylene)

1,2,3,4-tetraphenylnaphthalene

(C₄H₉)2GeC₄H₄

Refernces