2,7-dibroMo-2',7'-di-tert-butyl-9,9'-spirobi[fluorene]

Base Information

• Chemical Name: 2,7-dibroMo-2',7'-di-tert-butyl-9,9'-spirobi[fluorene]
• CAS No.: 439791-57-8
• Molecular Formula: C33H30Br2
• Molecular Weight: 586.409
• Mol file: 439791-57-8.mol

Synonyms:2,7-dibrom-2',7'-di-tert-butylspirobifluorene;CX1136;

Chemical Property of 2,7-dibroMo-2',7'-di-tert-butyl-9,9'-spirobi[fluorene]

Chemical Property:

• PSA: 0.00000
• LogP: 10.15010

Purity/Quality:

99% ^*data from raw suppliers

2,7-Dibromo-2',7'-di-tert-butyl-9,9'-spirobi[fluorene] 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,7-dibroMo-2',7'-di-tert-butyl-9,9'-spirobi[fluorene]

There total 5 articles about 2,7-dibroMo-2',7'-di-tert-butyl-9,9'-spirobi[fluorene] 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:

biphenyl (92-52-4,1594-86-1) → 2,7-dibromo-(2',7'-di-tert-butyl)-9,9'-spirobifluorene (439791-57-8)

Guidance literature:

Multi-step reaction with 3 steps

1.1: 80 percent / AlCl₃ / nitromethane

2.1: magnesium / diethyl ether / 2 h / Heating

2.2: diethyl ether / 12 h / Heating

3.1: 7 g / hydrochloric acid; acetic acid / H₂O / Heating

With hydrogenchloride; aluminium trichloride; magnesium; acetic acid; In diethyl ether; nitromethane; water;

DOI:10.1021/ma047433x

Reference yield:

4,4'-di-tert-butylbiphenyl (1625-91-8) → 2,7-dibromo-(2',7'-di-tert-butyl)-9,9'-spirobifluorene (439791-57-8)

Guidance literature:

Multi-step reaction with 2 steps

1.1: magnesium / diethyl ether / 2 h / Heating

1.2: diethyl ether / 12 h / Heating

2.1: 7 g / hydrochloric acid; acetic acid / H₂O / Heating

With hydrogenchloride; magnesium; acetic acid; In diethyl ether; water;

DOI:10.1021/ma047433x

Reference yield:

C33H32Br2O → 2,7-dibromo-(2',7'-di-tert-butyl)-9,9'-spirobifluorene (439791-57-8)

Guidance literature:

With hydrogenchloride; acetic acid; In water; Heating;

DOI:10.1021/ma047433x

upstream raw materials:

biphenyl

2,7-dibromofluorene-9-one

4,4'-di-tert-butylbiphenyl

2-bromo-4,4'-di-tert-butylbiphenyl

Downstream raw materials:

2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-7-(4-diphenylamino-styryl)-2',7'-di-tert-butyl-9,9'-spirobifluorene

2-(p-phenylselanylphenyl)-7-(4-diphenylaminostyryl)-2',7'-di-tert-butyl-9,9'-spirobifluorene

2-(p-phenylthiophenyl)-7-(4-diphenylaminostyryl)-2',7'-di-tert-butyl-9,9'-spirobifluorene

2-(p-phenoxyphenyl)-7-(4-diphenylaminostyryl)-2',7'-di-tert-butyl-9,9'-spirobifluorene

Refernces

• 1、 Xiao, Haibo,Yin, Hongyao,Wang, Lei,Ding, Lei,Guo, Songkui,Zhang, Xiaoying,Ma, Dongge. "Synthesis and optoelectronic properties of a series of novel spirobifluorene derivatives starting from the readily available reagent 4,4′-bisalkylated biphenyl". . p. 1553 - 1564. Retrieved 2012/08/28.