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Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ

2H-Naphtho(1,8-bc)furan-2-one

Cas:5247-85-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis according to the contract research and development services for the fine chemicals, ph

2H-NAPHTHO[1,8-BC]FURAN-2-ONE

Cas:5247-85-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as

2H-Naphtho[1,8-bc]furan-2-one

Cas:5247-85-8

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

2H-naphtho[1,8-bc]furan-2-one

Cas:5247-85-8

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

2H-naphtho[1,8-bc]furan-2-one Cas no.5247-85-8 98%

Cas:5247-85-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

2H-Naphtho(1,8-bc)furan-2-one

Cas:5247-85-8

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Antimex Chemical Limied

Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin

2H-Naphtho(1,8-bc)furan-2-one

Cas:5247-85-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

2H-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

2H-NAPHTHO[1,8-BC]FURAN-2-ONE

Cas:5247-85-8

Min.Order:0

Negotiable

Type:Other

inquiry

SAGECHEM LIMITED

5247-85-8 Application:intermediate

2H-Naphtho(1,8-bc)furan-2-one

Cas:5247-85-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan Russell Chemicals Technology Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

2H-Naphtho[1,8-bc]furan-2-one 5247-85-8

Cas:5247-85-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemsigma International Co.,Ltd.

bulk?production Application:Pharmaceutical intermediates

2H-Naphtho[1,8-bc]furan-2-one

Cas:5247-85-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

home-produced Application:medicine

2H-naphtho[1,8-bc]furan-2-one

Cas:5247-85-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

2H-naphtho[1,8-bc]furan-2-one

Cas:5247-85-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

2H-naphtho[1,8-bc]furan-2-one

Cas:5247-85-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Bide Pharmatech Ltd

Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical

2H-Naphtho[1,8-bc]furan-2-one

Cas:5247-85-8

Min.Order:0

Negotiable

Type:Other

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

2H-naphtho[1,8-bc]furan-2-one

Cas:5247-85-8

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Hanhong Scientific Co.,Ltd.

factory,reasonable price Appearance:detailed see specifications Storage:Store in dry, dark and ventilated place. Package:according to the clients requirement Application:pharmaceutical intermediates Transportation:by courier,air or sea Port:S

2H-Naphtho[1,8-bc]furan-2-one5247-85-8

Cas:5247-85-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemical Technology Co.,LTD

1. Production capacity: we have three production base with high-tech production equipment and instruments, equipped with professional production personnel, meet your requirements.2. Quality assurance: we have a first-class testing equipment and testi

2H-naphtho[1,8-bc]furan-2-one

Cas:5247-85-8

Min.Order:0

Negotiable

Type:Other

inquiry

Pure Chemistry Scientific Inc.

2H-Naphtho[1,8-bc]furan-2-one Application:80076179

2H-Naphtho[1,8-bc]furan-2-one

Cas:5247-85-8

Min.Order:1 Gram

FOB Price: $500.0

Type:Trading Company

inquiry

Shanghai PotentPharm Science and Technology Co.,Ltd

1 good quality, better price and bettter service;2 Timely delivery;3 100% refunded if parcel is not delivered or poor quality.We will try to satisfy you upon receipt of your reply. I hope that we can become a long-term cooperative partner. Applicatio

2H-Naphtho[1,8-bc]furan-2-one

Cas:5247-85-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

2-methylaminonaphtho<1,8-bc>furylium perchlorate
111054-68-3

2-methylaminonaphtho<1,8-bc>furylium perchlorate

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

Conditions
ConditionsYield
With water In N,N-dimethyl-formamide for 0.0833333h; Heating;100%
2-N-phenylaminonaphtho<1,8-bc>furylium perchlorate
111054-70-7

2-N-phenylaminonaphtho<1,8-bc>furylium perchlorate

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

Conditions
ConditionsYield
With water In N,N-dimethyl-formamide for 0.0833333h; Heating;100%
2-dimethylaminonaphtho<1,8-bc>furylium perchlorate

2-dimethylaminonaphtho<1,8-bc>furylium perchlorate

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

Conditions
ConditionsYield
With water In N,N-dimethyl-formamide for 0.0833333h; Heating;100%
2-morpholinonaphtho<1,8-bc>furylium perchlorate

2-morpholinonaphtho<1,8-bc>furylium perchlorate

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

Conditions
ConditionsYield
With water In N,N-dimethyl-formamide for 0.0833333h; Heating;100%
2-N-methyl-N-phenylaminonaphtho<1,8-bc>furylium perchlorate

2-N-methyl-N-phenylaminonaphtho<1,8-bc>furylium perchlorate

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

Conditions
ConditionsYield
With water In N,N-dimethyl-formamide for 0.0833333h; Heating;100%
1,8-naphtholactam
130-00-7

1,8-naphtholactam

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

Conditions
ConditionsYield
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 water59%
8-amino-[1]naphthoic acid
129-02-2

8-amino-[1]naphthoic acid

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

Conditions
ConditionsYield
With potassium nitrite; alkaline solution Behandeln mit verd. Schwefelsaeure;
8-bromonaphthalene-1-carboxylic acid
1729-99-3

8-bromonaphthalene-1-carboxylic acid

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

Conditions
ConditionsYield
With sodium hydroxide; copper Erwaermen des Reaktionsprodukts;
N-methyl-8-hydroxy-1-naphthamide
73388-53-1

N-methyl-8-hydroxy-1-naphthamide

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

Conditions
ConditionsYield
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
69674-57-3

N,N-Dimethyl-8-hydroxy-naphthalin-1-carboxamid

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

Conditions
ConditionsYield
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
111054-64-9

N-phenyl-8-hydroxy-1-naphthamide

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

Conditions
ConditionsYield
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
111054-65-0

8-hydroxy-1-naphthomorpholide

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

Conditions
ConditionsYield
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
111054-66-1

N-methyl-N-phenyl-8-hydroxy-1-naphthamide

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

Conditions
ConditionsYield
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
1,8-Naphthalic anhydride
81-84-5

1,8-Naphthalic anhydride

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

Conditions
ConditionsYield
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
86-55-5

1-naphthalenecarboxylic acid

A

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

B

2,3,5,6-Dibenzo-xanthon
39533-91-0

2,3,5,6-Dibenzo-xanthon

C

1,1'-bisnaphthalene
604-53-5

1,1'-bisnaphthalene

D

dinaphtho[1,2-b:1',2'-d]furan
207-93-2

dinaphtho[1,2-b:1',2'-d]furan

E

13H-dibenzofluoren-13-one
63041-47-4

13H-dibenzofluoren-13-one

Conditions
ConditionsYield
With dipotassium peroxodisulfate; palladium; trifluoroacetic acid for 20.3h; Inert atmosphere;
morpholine
110-91-8

morpholine

1,8-naphtholactone
5247-85-8

1,8-naphtholactone

8-hydroxy-1-naphthomorpholide
111054-65-0

8-hydroxy-1-naphthomorpholide

Conditions
ConditionsYield
In toluene for 0.1h; Heating;100%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

dimethyl amine
124-40-3

dimethyl amine

N,N-Dimethyl-8-hydroxy-naphthalin-1-carboxamid
69674-57-3

N,N-Dimethyl-8-hydroxy-naphthalin-1-carboxamid

Conditions
ConditionsYield
In toluene Heating;100%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

methylamine
74-89-5

methylamine

N-methyl-8-hydroxy-1-naphthamide
73388-53-1

N-methyl-8-hydroxy-1-naphthamide

Conditions
ConditionsYield
In diethyl ether for 20h;100%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

8-hydroxy-1-naphthamide

8-hydroxy-1-naphthamide

Conditions
ConditionsYield
With ammonia In diethyl ether for 20h;100%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

1,8-dibromonaphthalene
17135-74-9

1,8-dibromonaphthalene

8-bromo-1-naphthyl 8-hydroxy-1-naphthyl ketone
1160364-36-2

8-bromo-1-naphthyl 8-hydroxy-1-naphthyl ketone

Conditions
ConditionsYield
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%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

aniline
62-53-3

aniline

N-phenyl-8-hydroxy-1-naphthamide
111054-64-9

N-phenyl-8-hydroxy-1-naphthamide

Conditions
ConditionsYield
In toluene for 0.1h; Heating;97%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

ethylenediamine
107-15-3

ethylenediamine

N-(2-aminoethyl)-8-hydroxynaphthalene-1-carboxamide

N-(2-aminoethyl)-8-hydroxynaphthalene-1-carboxamide

Conditions
ConditionsYield
In tetrahydrofuran for 1h; Reflux;95%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

phenethylamine
64-04-0

phenethylamine

8-hydroxy-N-(2-phenylethyl)naphthalene-1-carboxamide

8-hydroxy-N-(2-phenylethyl)naphthalene-1-carboxamide

Conditions
ConditionsYield
In tetrahydrofuran for 3h; Reflux;95%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

N-methylaniline
100-61-8

N-methylaniline

N-methyl-N-phenyl-8-hydroxy-1-naphthamide
111054-66-1

N-methyl-N-phenyl-8-hydroxy-1-naphthamide

Conditions
ConditionsYield
In toluene for 0.1h; Heating;88%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

8-(hydroxymethyl)naphthalen-1-ol
18500-91-9

8-(hydroxymethyl)naphthalen-1-ol

Conditions
ConditionsYield
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
5247-85-8

1,8-naphtholactone

diisopropylamine
108-18-9

diisopropylamine

N,N-diisopropyl-8-hydroxy-1-naphthamide
252270-69-2

N,N-diisopropyl-8-hydroxy-1-naphthamide

Conditions
ConditionsYield
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%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

C42H36BrN

C42H36BrN

C53H43NO2

C53H43NO2

Conditions
ConditionsYield
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%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

C12H8BrClO

C12H8BrClO

C23H15ClO3

C23H15ClO3

Conditions
ConditionsYield
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%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

2-bromo-4,4’-dichloro-1,1’-biphenyl
179526-95-5

2-bromo-4,4’-dichloro-1,1’-biphenyl

C23H15ClO2

C23H15ClO2

Conditions
ConditionsYield
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%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

1-bromo-2-(3-chlorophenoxy)benzene
1426805-09-5

1-bromo-2-(3-chlorophenoxy)benzene

C23H15ClO3

C23H15ClO3

Conditions
ConditionsYield
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
5247-85-8

1,8-naphtholactone

naphtho[1,8-bc]furan-2-thione
24095-09-8

naphtho[1,8-bc]furan-2-thione

Conditions
ConditionsYield
With Lawessons reagent In chlorobenzene at 125℃; for 6h;75%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

1-hydroxynaphthalene-8-carboxaldehyde
35689-26-0

1-hydroxynaphthalene-8-carboxaldehyde

Conditions
ConditionsYield
With lithium tri-t-butoxyaluminum hydride In tetrahydrofuran at 20℃; for 16h;71%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

ethanol
64-17-5

ethanol

ethyl 8-hydroxy-1-naphthoate
18500-83-9

ethyl 8-hydroxy-1-naphthoate

Conditions
ConditionsYield
Heating;63%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

methyllithium
917-54-4

methyllithium

1-(8-hydroxy-1-naphthalenyl)ethanone
18528-55-7

1-(8-hydroxy-1-naphthalenyl)ethanone

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether at -75℃; for 1h;62%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

methylmagnesium bromide
75-16-1

methylmagnesium bromide

8-hydroxy-α,α-dimethyl-1-naphthalenemethanol
131421-41-5

8-hydroxy-α,α-dimethyl-1-naphthalenemethanol

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether at -30℃; for 1h;60%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

benzo[1,3]dioxolo-5-ylamine
14268-66-7

benzo[1,3]dioxolo-5-ylamine

N-(2H-1,3-benzodioxol-5-yl)-8-hydroxynaphthalene-1-carboxamide

N-(2H-1,3-benzodioxol-5-yl)-8-hydroxynaphthalene-1-carboxamide

Conditions
ConditionsYield
In tetrahydrofuran for 5h; Reflux;45%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

ethylmagnesium bromide
925-90-6

ethylmagnesium bromide

1-(8-hydroxy-1-naphthalenyl)-1-propanone
131421-22-2

1-(8-hydroxy-1-naphthalenyl)-1-propanone

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether at -75 - 0℃;33%
1,8-naphtholactone
5247-85-8

1,8-naphtholactone

8-hydroxy-[1]naphthoic acid
1769-88-6

8-hydroxy-[1]naphthoic acid

Conditions
ConditionsYield
With alkaline solution

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