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inquiry2H-NAPHTHO[1,8-BC]FURAN-2-ONEAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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2H-Naphtho[1,8-bc]furan-2-one Application:80076179
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2-methylaminonaphtho<1,8-bc>furylium perchlorate
1,8-naphtholactone
Conditions | Yield |
---|---|
With water In N,N-dimethyl-formamide for 0.0833333h; Heating; | 100% |
2-N-phenylaminonaphtho<1,8-bc>furylium perchlorate
1,8-naphtholactone
Conditions | Yield |
---|---|
With water In N,N-dimethyl-formamide for 0.0833333h; Heating; | 100% |
1,8-naphtholactone
Conditions | Yield |
---|---|
With water In N,N-dimethyl-formamide for 0.0833333h; Heating; | 100% |
1,8-naphtholactone
Conditions | Yield |
---|---|
With water In N,N-dimethyl-formamide for 0.0833333h; Heating; | 100% |
1,8-naphtholactone
Conditions | Yield |
---|---|
With water In N,N-dimethyl-formamide for 0.0833333h; Heating; | 100% |
Conditions | Yield |
---|---|
Stage #1: 1,8-naphtholactam With sodium hydroxide In water Stage #2: With hydrogenchloride; sodium nitrite In water Heating; | 70% |
With sodium hydroxide; sodium nitrite In water | 59% |
Conditions | Yield |
---|---|
With potassium nitrite; alkaline solution Behandeln mit verd. Schwefelsaeure; |
Conditions | Yield |
---|---|
With sodium hydroxide; copper Erwaermen des Reaktionsprodukts; |
N-methyl-8-hydroxy-1-naphthamide
1,8-naphtholactone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1) POCl3, 2) aq.HClO4 / 1) reflux, 5-7 min, 2) 0 deg C, 20-30 min 2: 100 percent / H2O / dimethylformamide / 0.08 h / Heating View Scheme |
N,N-Dimethyl-8-hydroxy-naphthalin-1-carboxamid
1,8-naphtholactone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1) POCl3, 2) aq.HClO4 / 1) reflux, 5-7 min, 2) 0 deg C, 20-30 min 2: 100 percent / H2O / dimethylformamide / 0.08 h / Heating View Scheme |
N-phenyl-8-hydroxy-1-naphthamide
1,8-naphtholactone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1) POCl3, DMF, 2) aq.HClO4 / 1) cooling, 15-16 h, 2) 0 deg C, 10-15 min 2: 100 percent / H2O / dimethylformamide / 0.08 h / Heating View Scheme |
8-hydroxy-1-naphthomorpholide
1,8-naphtholactone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1) POCl3, 2) aq.HClO4 / 1) reflux, 5-7 min, 2) 0 deg C, 20-30 min 2: 100 percent / H2O / dimethylformamide / 0.08 h / Heating View Scheme |
N-methyl-N-phenyl-8-hydroxy-1-naphthamide
1,8-naphtholactone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1) POCl3, 2) aq.HClO4 / 1) reflux, 5-7 min, 2) 0 deg C, 20-30 min 2: 100 percent / H2O / dimethylformamide / 0.08 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: hydroxylamine hydrochloride / pyridine / 1 h / Heating 1.2: 91 percent / p-toluenesulfonyl chloride / pyridine / 1 h / Heating 2.1: 59 percent / NaOH; sodium nitrite / H2O View Scheme | |
Multi-step reaction with 2 steps 1.1: hydroxylamine; p-toluenesulfonyl chloride / pyridine 2.1: sodium hydroxide / water 2.2: Heating View Scheme |
1-naphthalenecarboxylic acid
A
1,8-naphtholactone
B
2,3,5,6-Dibenzo-xanthon
C
1,1'-bisnaphthalene
D
dinaphtho[1,2-b:1',2'-d]furan
E
13H-dibenzofluoren-13-one
Conditions | Yield |
---|---|
With dipotassium peroxodisulfate; palladium; trifluoroacetic acid for 20.3h; Inert atmosphere; |
Conditions | Yield |
---|---|
In toluene for 0.1h; Heating; | 100% |
1,8-naphtholactone
dimethyl amine
N,N-Dimethyl-8-hydroxy-naphthalin-1-carboxamid
Conditions | Yield |
---|---|
In toluene Heating; | 100% |
Conditions | Yield |
---|---|
In diethyl ether for 20h; | 100% |
1,8-naphtholactone
Conditions | Yield |
---|---|
With ammonia In diethyl ether for 20h; | 100% |
1,8-naphtholactone
1,8-dibromonaphthalene
8-bromo-1-naphthyl 8-hydroxy-1-naphthyl ketone
Conditions | Yield |
---|---|
Stage #1: 1,8-dibromonaphthalene With n-butyllithium In diethyl ether; hexane at -78℃; for 0.5h; Stage #2: 1,8-naphtholactone In diethyl ether at 0 - 20℃; for 2.5h; Stage #3: With hydrogenchloride In water | 98% |
Conditions | Yield |
---|---|
In toluene for 0.1h; Heating; | 97% |
Conditions | Yield |
---|---|
In tetrahydrofuran for 1h; Reflux; | 95% |
Conditions | Yield |
---|---|
In tetrahydrofuran for 3h; Reflux; | 95% |
1,8-naphtholactone
N-methylaniline
N-methyl-N-phenyl-8-hydroxy-1-naphthamide
Conditions | Yield |
---|---|
In toluene for 0.1h; Heating; | 88% |
1,8-naphtholactone
8-(hydroxymethyl)naphthalen-1-ol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In diethylene glycol dimethyl ether for 0.5h; | 88% |
With diisobutylaluminium hydride In tetrahydrofuran; toluene for 0.25h; Cooling with ice; |
1,8-naphtholactone
diisopropylamine
N,N-diisopropyl-8-hydroxy-1-naphthamide
Conditions | Yield |
---|---|
Stage #1: diisopropylamine With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.333333h; deprotonation; Stage #2: 1,8-naphtholactone In tetrahydrofuran; hexane at -78℃; for 4h; Addition; | 87% |
Conditions | Yield |
---|---|
Stage #1: C42H36BrN With n-butyllithium In tetrahydrofuran at -78℃; for 2h; Inert atmosphere; Stage #2: 1,8-naphtholactone In tetrahydrofuran at 20℃; for 10h; Inert atmosphere; | 78% |
Conditions | Yield |
---|---|
Stage #1: C12H8BrClO With n-butyllithium In tetrahydrofuran at -78℃; for 2h; Inert atmosphere; Stage #2: 1,8-naphtholactone In tetrahydrofuran at 20℃; for 10h; | 78% |
Conditions | Yield |
---|---|
Stage #1: 2-bromo-4,4’-dichloro-1,1’-biphenyl With n-butyllithium In tetrahydrofuran at -78℃; for 2h; Inert atmosphere; Stage #2: 1,8-naphtholactone In tetrahydrofuran at 20℃; for 10h; | 78% |
Conditions | Yield |
---|---|
Stage #1: 1-bromo-2-(3-chlorophenoxy)benzene With n-butyllithium In tetrahydrofuran at -78℃; for 2h; Inert atmosphere; Stage #2: 1,8-naphtholactone In tetrahydrofuran at 20℃; for 10h; | 76% |
1,8-naphtholactone
naphtho[1,8-bc]furan-2-thione
Conditions | Yield |
---|---|
With Lawessons reagent In chlorobenzene at 125℃; for 6h; | 75% |
1,8-naphtholactone
1-hydroxynaphthalene-8-carboxaldehyde
Conditions | Yield |
---|---|
With lithium tri-t-butoxyaluminum hydride In tetrahydrofuran at 20℃; for 16h; | 71% |
Conditions | Yield |
---|---|
Heating; | 63% |
Conditions | Yield |
---|---|
In tetrahydrofuran; diethyl ether at -75℃; for 1h; | 62% |
1,8-naphtholactone
methylmagnesium bromide
8-hydroxy-α,α-dimethyl-1-naphthalenemethanol
Conditions | Yield |
---|---|
In tetrahydrofuran; diethyl ether at -30℃; for 1h; | 60% |
1,8-naphtholactone
benzo[1,3]dioxolo-5-ylamine
Conditions | Yield |
---|---|
In tetrahydrofuran for 5h; Reflux; | 45% |
1,8-naphtholactone
ethylmagnesium bromide
1-(8-hydroxy-1-naphthalenyl)-1-propanone
Conditions | Yield |
---|---|
In tetrahydrofuran; diethyl ether at -75 - 0℃; | 33% |
Conditions | Yield |
---|---|
With alkaline solution |
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