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Product Description Product website: http://www.finerchem.com Product Name 4-bromo-9H-fluoren-9-one CAS No. 426
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inquiryAppearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By
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inquiryStock products, own laboratoryAppearance:white to light yellow powder Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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inquiryfactory Storage:Shading, sealed and preserved. Package:Grams, Kilograms Application:An organic synthetic intermediate used Transportation:According to customer request Port:Qingdao
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inquirymanufacture Application:The refence standard products, for lab use, also we could produce bigger quantity on yr requirement.
Conditions | Yield |
---|---|
Stage #1: bromobenzene In dichloromethane at 5℃; for 0.5h; Stage #2: 3-Bromopropionyl chloride In dichloromethane at 5 - 20℃; for 16h; Stage #3: With trifluorormethanesulfonic acid In dichloromethane at 90℃; for 4h; Temperature; Reagent/catalyst; | 88.5% |
2'-bromo-[1,1'-biphenyl]-2-carbonitrile
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
With sulfuric acid; acetic acid for 12h; Reflux; | 80% |
With dichloro bis(acetonitrile) palladium(II); water; silver trifluoroacetate In N,N-dimethyl acetamide; trifluoroacetic acid at 140℃; for 72h; Heck Reaction; Glovebox; Inert atmosphere; | 57% |
With sulfuric acid |
ethyl 2’-bromo-[1,1’-biphenyl]-2-carboxylate
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
With methanesulfonic acid at 100℃; for 14h; | 61% |
Conditions | Yield |
---|---|
With N-Bromosuccinimide; sulfuric acid In dichloromethane at 20℃; for 12h; | 47.9% |
Conditions | Yield |
---|---|
Stage #1: (S)-2-(3-bromo-2-iodophenyl)-4-isopropyl-4,5-dihydrooxazole With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.25h; Inert atmosphere; Stage #2: 1-Bromo-2-iodobenzene In tetrahydrofuran; hexane at -78℃; Inert atmosphere; Stage #3: With n-butyllithium In tetrahydrofuran; hexane at -78 - 25℃; for 12h; Inert atmosphere; diastereoselective reaction; | A 20% B 46% |
Stage #1: (S)-2-(3-bromo-2-iodophenyl)-4-isopropyl-4,5-dihydrooxazole With n-butyllithium In tetrahydrofuran; hexane at -78℃; Stage #2: 1-Bromo-2-iodobenzene In tetrahydrofuran; hexane at -78℃; for 12h; Overall yield = 46 %; Overall yield = 234 mg; diastereoselective reaction; | A n/a B n/a |
furfural
2-bromo-2’-iodo-1,1’-biphenyl
A
9-fluorenone
B
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
With chloro(1,5-cyclooctadiene)rhodium(I) dimer; 1,3-bis-(diphenylphosphino)propane; sodium carbonate In 5,5-dimethyl-1,3-cyclohexadiene at 150℃; for 48h; Inert atmosphere; | A 18% B 31% |
4-bromo-9H-fluorene
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
With hydrogen bromide Diazotization.Erhitzen mit CuBr und wss. HBr; |
4-bromo-9H-fluorene-9-one
4-Brom-1-amino-fluorenon-(9)
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
(i) NaNO2, aq. HCl, (ii) H3PO2; Multistep reaction; |
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
With sulfuric acid at 45 - 50℃; |
4-bromo-fluoren-9-ol
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic acid; aqueous HI 2: acetic acid; Na2Cr2O7 View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: Cu 2: Py / dimethylformamide 3: aq. H2SO4 View Scheme |
2,2'-dibromobiphenyl
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Py / dimethylformamide 2: aq. H2SO4 View Scheme | |
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 0.67 h / -78 °C / Inert atmosphere 1.2: Inert atmosphere 2.1: sulfuric acid / water / 2 h / 50 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C 1.2: 18 h / -78 - 20 °C 2.1: sulfuric acid / 2 h / 0 - 50 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Br2, AcOH 2: (i) NaNO2, aq. HCl, (ii) H3PO2 View Scheme |
2'-bromo-[1,1'-biphenyl]-2-carboxylic acid
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
With sulfuric acid In water at 50℃; for 2h; | |
With sulfuric acid at 0 - 50℃; for 2h; | 36 g |
1-Bromo-2-iodobenzene
o-cyanophenylboronic acid-1,3-propylene glycol ester
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Pd(PPh3)2Cl2; tripotassium phosphate "n" hydrate / toluene / 12 h / 100 °C / Schlenk technique; Inert atmosphere 2: water; silver trifluoroacetate; dichloro bis(acetonitrile) palladium(II) / trifluoroacetic acid; N,N-dimethyl acetamide / 72 h / 140 °C / Glovebox; Inert atmosphere View Scheme |
2-Cyanophenylboronic acid
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: toluene / 2 h / 110 °C 2: Pd(PPh3)2Cl2; tripotassium phosphate "n" hydrate / toluene / 12 h / 100 °C / Schlenk technique; Inert atmosphere 3: water; silver trifluoroacetate; dichloro bis(acetonitrile) palladium(II) / trifluoroacetic acid; N,N-dimethyl acetamide / 72 h / 140 °C / Glovebox; Inert atmosphere View Scheme |
methyl 2-iodo-3-bromobenzoate
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 0.5 h / Inert atmosphere 1.2: 0.33 h / Reflux 2.1: sodium hydroxide; ethanol / 6 h 3.1: methanesulfonic acid / 24 h / 30 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 0.5 h / Inert atmosphere 1.2: Reflux 2.1: sodium hydroxide / ethanol / 6 h / Reflux 3.1: methanesulfonic acid / 24 h / 30 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 0.5 h / Inert atmosphere 1.2: 0.33 h / Reflux 2.1: sodium hydroxide; ethanol / 6 h 3.1: methanesulfonic acid / 24 h / 30 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 0.5 h / Inert atmosphere 1.2: Reflux 2.1: sodium hydroxide / ethanol / 6 h / Reflux 3.1: methanesulfonic acid / 24 h / 30 °C View Scheme |
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium hydroxide; ethanol / 6 h 2: methanesulfonic acid / 24 h / 30 °C View Scheme | |
Multi-step reaction with 2 steps 1: sodium hydroxide / ethanol / 6 h / Reflux 2: methanesulfonic acid / 24 h / 30 °C View Scheme |
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
With methanesulfonic acid at 30℃; for 24h; | |
With methanesulfonic acid at 30℃; for 24h; |
4-bromo-9H-fluorene-9-one
phenylmagnesium bromide
2-bromo-9-phenyl-9H-fluoren-9-ol
Conditions | Yield |
---|---|
In tetrahydrofuran at 0℃; for 0.333333h; | 100% |
Conditions | Yield |
---|---|
Stage #1: 9-(2-bromophenyl)-9H-carbazole With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran; hexane at -78℃; for 3.67h; Stage #3: With sulfuric acid; acetic acid for 4h; Reflux; | 97% |
Stage #1: 9-(2-bromophenyl)-9H-carbazole With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran; hexane at -78 - 20℃; for 3.66667h; | 97% |
Stage #1: 9-(2-bromophenyl)-9H-carbazole With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran; hexane at -78 - 20℃; for 3.67h; Stage #3: With sulfuric acid; acetic acid for 4h; Reflux; | 97% |
Stage #1: 9-(2-bromophenyl)-9H-carbazole With n-butyllithium In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran at 20℃; for 2h; Inert atmosphere; Stage #3: With hydrogenchloride; acetic acid for 12h; Reflux; | 65% |
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
With bromine In dichloromethane at 0 - 20℃; for 6h; | 92% |
With bromine In dichloromethane at 20℃; for 6h; | 90% |
With bromine In dichloromethane at 20℃; for 6h; Cooling with ice; | 90% |
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
With tris(dibenzylideneacetone)dipalladium(0) chloroform complex; potassium carbonate; XPhos In 1,4-dioxane; water at 100℃; for 24h; Suzuki Coupling; Schlenk technique; Sealed tube; Inert atmosphere; | 91% |
Conditions | Yield |
---|---|
With trichlorophosphate at 120℃; | 87% |
With trichlorophosphate |
Conditions | Yield |
---|---|
Stage #1: 1-(2-bromophenyl)naphthalene With n-butyllithium In tetrahydrofuran at -78℃; Inert atmosphere; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran at 20℃; Inert atmosphere; Stage #3: With water In tetrahydrofuran Inert atmosphere; | 85.7% |
Stage #1: 1-(2-bromophenyl)naphthalene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran; hexane at -78 - 20℃; | 84% |
Stage #1: 1-(2-bromophenyl)naphthalene With n-butyllithium In tetrahydrofuran at -78℃; for 2h; Inert atmosphere; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran at -78 - 20℃; for 12h; Inert atmosphere; Stage #3: With hydrogenchloride In tetrahydrofuran; water for 0.5h; Inert atmosphere; |
Conditions | Yield |
---|---|
Stage #1: 2-bromo-4,4’-dichloro-1,1’-biphenyl With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran; hexane at 20℃; for 1h; | 85% |
Conditions | Yield |
---|---|
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium carbonate In N,N-dimethyl-formamide at 150℃; Suzuki-Miyaura Coupling; Inert atmosphere; | 84% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); bis(tri-t-butylphosphine)palladium(0); potassium carbonate In tetrahydrofuran; water for 2h; Reflux; | 84% |
9-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-9H-carbazole
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In ethanol; water; toluene at 100℃; Suzuki-Miyaura Coupling; Inert atmosphere; | 82% |
2-(9,9'-spirobi[fluoren]-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
4-bromo-9H-fluorene-9-one
4-(9,9'-spirobifluorene-4-yl)-9H-fluoren-9-one
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In tetrahydrofuran; water for 48h; Suzuki coupling; Reflux; Inert atmosphere; | 81% |
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
Stage #1: 2-(2-bromophenyl)dibenzo[b,e][1,4]dioxine With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran at 20℃; for 3h; | 80% |
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
With tris(dibenzylideneacetone)dipalladium(0) chloroform complex; potassium carbonate; XPhos In 1,4-dioxane; water at 100℃; for 24h; Suzuki Coupling; Schlenk technique; Sealed tube; Inert atmosphere; | 79% |
Conditions | Yield |
---|---|
Stage #1: C18H11Br With n-butyllithium In tetrahydrofuran; hexane at -78 - 70℃; for 0.5h; Inert atmosphere; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran; hexane for 1.5h; Inert atmosphere; Stage #3: With hydrogenchloride; acetic acid for 4h; Reflux; | 78% |
2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
4-bromo-9H-fluorene-9-one
2-(9,9'-spirobi[fluoren]-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran at -78 - 20℃; for 1h; Inert atmosphere; | 77% |
Conditions | Yield |
---|---|
Stage #1: 1-(2-bromophenyl)naphthalene With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran at 18 - 28℃; for 12h; Stage #3: With hydrogenchloride; acetic acid at 120℃; for 5h; | 75% |
4-bromo-9H-fluorene-9-one
N-(2-bromophenyl)-N-phenylbenzenamine
Conditions | Yield |
---|---|
Stage #1: N-(2-bromophenyl)-N-phenylbenzenamine With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Schlenk technique; Glovebox; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran; hexane at -78 - 25℃; for 21h; Inert atmosphere; Schlenk technique; Glovebox; | 73% |
Stage #1: N-(2-bromophenyl)-N-phenylbenzenamine With n-butyllithium In tetrahydrofuran; hexane at -78℃; Inert atmosphere; Schlenk technique; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran; hexane at -78 - 20℃; for 13h; Friedel-Crafts Alkylation; Inert atmosphere; Schlenk technique; Stage #3: With hydrogenchloride; acetic acid In water for 2h; Reflux; | 56% |
Stage #1: 4-bromo-9H-fluorene-9-one; N-(2-bromophenyl)-N-phenylbenzenamine With n-butyllithium In tetrahydrofuran Stage #2: With hydrogenchloride; acetic acid |
Conditions | Yield |
---|---|
Stage #1: 2-iodobiphenyl With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran | 73% |
Conditions | Yield |
---|---|
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium t-butanolate In toluene for 14h; Inert atmosphere; Reflux; | 73% |
Conditions | Yield |
---|---|
Stage #1: C18H11Br With n-butyllithium In tetrahydrofuran; hexane at -78 - -70℃; for 0.5h; Inert atmosphere; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran; hexane at -70 - 20℃; for 1.5h; Inert atmosphere; Stage #3: With hydrogenchloride; acetic acid In water for 4h; Reflux; | 73% |
Conditions | Yield |
---|---|
Stage #1: 9-(2-bromophenyl)-9H-carbazole With n-butyllithium In tetrahydrofuran at -78℃; for 0.5h; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran at -78 - 20℃; | 72% |
With n-butyllithium In tetrahydrofuran at -78℃; |
4-bromo-9H-fluorene-9-one
10-(2-bromophenyl)-10H-phenoxazine
Conditions | Yield |
---|---|
Stage #1: 10-(2-bromophenyl)-10H-phenoxazine With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Inert atmosphere; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran at -78 - 20℃; for 13h; Inert atmosphere; | 70% |
Stage #1: 10-(2-bromophenyl)-10H-phenoxazine With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Inert atmosphere; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran at 20℃; for 2h; Inert atmosphere; Stage #3: With hydrogenchloride; acetic acid for 12h; Reflux; | 62% |
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
Stage #1: 1-(2-bromophenoxy)naphthalene With n-butyllithium In tetrahydrofuran at -78℃; for 3.5h; Inert atmosphere; Stage #2: 4-bromo-9H-fluorene-9-one With n-butyllithium In tetrahydrofuran for 12h; Inert atmosphere; | 67% |
Conditions | Yield |
---|---|
Stage #1: C18H13Br With n-butyllithium In tetrahydrofuran; hexane at -78 - -70℃; for 0.5h; Inert atmosphere; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran; hexane at -70 - 20℃; for 1.5h; Inert atmosphere; Stage #3: With hydrogenchloride; acetic acid In water for 4h; Reflux; | 66% |
Conditions | Yield |
---|---|
Stage #1: 4-(2-bromophenyl)-dibenzothiophene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran; hexane at 20℃; Stage #3: With hydrogenchloride In ethanol at 75℃; | 65% |
4-bromo-9H-fluorene-9-one
Conditions | Yield |
---|---|
Stage #1: 2-bromo-3-phenylfuran With magnesium In tetrahydrofuran at 40℃; for 1h; Inert atmosphere; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran for 5h; Reflux; Inert atmosphere; | 55.1% |
Conditions | Yield |
---|---|
Stage #1: 4-N,N-diphenylamino-1-bromobenzene With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Inert atmosphere; Stage #2: 4-bromo-9H-fluorene-9-one In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; | 50% |
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