33735-95-4

Basic information

• Product Name: 9-[bromo-(phenyl)methylene]-9H-fluorene
• Synonyms: 9-[bromo-(phenyl)methylene]-9H-fluorene
• CAS NO: 33735-95-4
• Molecular Weight: 333.227
• Mol File: 33735-95-4.mol
• Article Data: 5

Chemical Properties

• CAS DataBase Reference: 9-[bromo-(phenyl)methylene]-9H-fluorene(CAS DataBase Reference)
• NIST Chemistry Reference: 9-[bromo-(phenyl)methylene]-9H-fluorene(33735-95-4)
• EPA Substance Registry System: 9-[bromo-(phenyl)methylene]-9H-fluorene(33735-95-4)

Safety Data

• Hazardous Substances Data: 33735-95-4(Hazardous Substances Data)

Upstream product

• 86-73-7 9H-fluorene 
• 100-52-7 benzaldehyde 
• 1836-87-9 9-Benzylidene-9H-fluorene 
• 618-31-5 benzylidene dibromide 
• 832-80-4 9-diazofluorenone 
• 79898-41-2 9-bromo-9-[bromo-(phenyl)methyl]-9H-fluorene 

Downstream Products

• 256512-13-7 Bis-diphenylene-1.3-phenyl-2 allyle-Radikal 
• 72087-86-6 9-(fluoren-9-ylidene-phenyl-methyl)-fluoren-9-ol 
• 35585-94-5 α,γ-bisdiphenylene-β-phenylallyl*benzene 
• 72087-83-3 9-chloro-9-<α(9-fluorenylidene)-benzyl>fluorene 
• 1247767-12-9 C₆₆H₄₂ 
• 94966-50-4 2-Phenyl-3,3-biphenylen-allylchlorid 
• 102214-01-7 2-Phenyl-1,1-biphenylen-inden 
• 79893-70-2 3'-phenylspiroazirine> 
• 256512-10-4 9-(9H-4,5-Diazafluoren-9-ylphenylmethylene)-9H-fluorene 
• 33686-77-0 α-Benzylthio-9-benzylidenfluoren 
• 79893-69-9 9-(α-azidobenzyliden)fluoren 
• 80310-52-7 C₃₀H₁₆ClNO₂ 

Relevant articles and documents

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Heterocyclic free radicals. Part 1. 4,5-Diazafluorene derivatives of Koelsch's free radical: an EPR and metal-ion complexation study

Heteroaromatic precursors to nitrogen substituted derivatives of Koelsch's free radicals have been prepared by the condensation of 4,5-diazafluorene with a fluorenylidene or diazafluorenylidene. These compounds appear coloured and can exist in different tautomeric forms. An improved one pot synthesis of 4,5-diazafluorenone has been developed by the oxidative ring contraction of 1,10-phenanthroline with aqueous potassium permanganate. Aza derivatives of Koelsch's free radical are easily generated by oxidation of the appropriate precursors with K3Fe(CN)6. Treatment of 9-[(9H-4,5-diazafluoren-9-ylidene)phenylmethyl]-9H-fluoren-9-yl radical with CuCl2 in EtOH gives a brown precipitate of a 1:1 radical-ligand complex.

Diels-Alder Reaction: 1,4-Cycloaddition of N-Aryl-maleimides to Alkylidene- and Arylidene-fluorenones and Synthesis of Some New Fluoranthene Derivatives

The 1,4-cycloaddition of different N-arylmaleimides (IIa-f) to alkylidene- and arylidene-fluorenones (Ia-c) leads to the formation of the diadducts, 7-substituted-5-aryl-4,6-dioxo-4H-3,3a,5,6,6a,7,10b-octahydrofluoranthenopyrrole-endo(3,10b)-N-arylpyrrolidino-2',5'-diones (IIIa-r).The fully aromatized fluoranthene derivatives (Va-i) have also been synthesised either by boiling III in nitrobenzene or by reacting the bromo-derivatives (V) with appropriate II.Reduction of III using LAH gives VIII.The structures of the isolated products have been confirmed by elemental analyses, molecular weight determination and spectroscopic data.