2-Bromo-9,9-diphenylfluorene

2-Bromo-9,9-diphenylfluorene Basic information
Uses
Product Name:2-Bromo-9,9-diphenylfluorene
Synonyms:9H-Fluorene, 2-bromo-9,9-diphenyl-;2-bromo-9,9-diphenylfluorene;2-bromo-9,9-diphenyl-fluororene;2-Bromo-9,5-diphenylfluorene;2–9,9–;2-Bromo-9,9-diphenyl;2-BroMo-9,9-diphenyl-9H-fluorene;2-Dibromo-9,9-diphenylfluorene
CAS:474918-32-6
MF:C25H17Br
MW:397.31
EINECS:1312995-182-4
Product Categories:OLED materials,pharm chemical,electronic;Fluorene Derivatives
Mol File:474918-32-6.mol
2-Bromo-9,9-diphenylfluorene Structure
2-Bromo-9,9-diphenylfluorene Chemical Properties
Melting point 217.0 to 221.0 °C
Boiling point 480.5±24.0 °C(Predicted)
density 1.363±0.06 g/cm3(Predicted)
storage temp. Sealed in dry,Room Temperature
solubility soluble in Toluene
form powder to crystal
color White to Almost white
CAS DataBase Reference474918-32-6
Safety Information
HS Code 2903998090
MSDS Information
2-Bromo-9,9-diphenylfluorene Usage And Synthesis
Uses2-Bromo-9,9-dimethylfluorene is a fluorene derivative which shows π-electron conjugation. It has a high fluorescent and high electron delocalization. It can be used as a non-linear optical (NLO) material. 2-bromo-9, 9-diphenylfluorene can be synthesized by using 2-bromofluorene and iodomethane as the major reactants. It can be majorly used in organic electronic based applications.
Description2-bromo-9, 9-diphenylfluorene appears as an off-white solid. It belongs to the fluorene group compound. It is a kind of OLED (organic light-emitting diodes) intermediate. It can be used for the production of 9, 9-diphenylfluorene-capped oligothiophenes which can be used as active materials such as filed-effect transistors and light-emitting diodes.
Chemical Propertiesoff-white powder
Synthesis10 g (30 mmol) of 2-bromo-9-phenyl-9H-fluoren-9-ol was dissolved in 60 ml of benzene, and 2.4 ml (45 mmol) of concentrated sulfuric acid diluted with a small amount of benzene was added to the solution. The mixture was stirred for 5 hours at 80?? C, and after evaporating the benzene, 1 N sodium hydroxide solution was added to the remaining solution to a pH of around 7. The mixture was extracted 3 times with ethyl acetate (40 ml). The collected organic layer was dried with magnesium sulfate, and the residue obtained by evaporating the solvent was separated and purified by silica gel column chromatography. 6 g of Intermediate N (yield: 50%).
Synthesis_474918-32-6
References(2015). Synthesis method of 2-bromo-9, 9-diphenylfluorene, Google Patents.
Wong, Ken-Tsung, et al. “Synthesis and properties of novel thiophene-based conjugated homologues: 9, 9-diphenylfluorene-capped oligothiophenes.”Organic letters 4.25 (2002): 4439-4442.
2-Bromo-9,9-diphenylfluorene Preparation Products And Raw materials
Raw materialsmethyl 4′-bromo-[1,1′-biphenyl]-2-carboxylate–>2-Bromo-9-fluorenone–>2-Bromo-9-phenyl-9H-fluoren-9-ol–>9-Fluorenone–>Benzene–>PHENYLMAGNESIUM BROMIDE–>Bromobenzene
Preparation Products9,9-diphenyl-9H-fluoreN-2-ylboronicacid

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