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Wuhan Circle Star Chem-medical Technology co.,Ltd.

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualified

Factory Supply 2,7-Dihydroxynaphthalene Supplier Manufacturer With Competitive Price

Cas:582-17-2

Min.Order:1 Kilogram

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Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

2,7-Dihydroxynaphthalene

Cas:582-17-2

Min.Order:1 Kilogram

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------

High purity 582-17-2 2,7-Dihydroxynaphthalene

Cas:582-17-2

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Greyish white to light yellow powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Application:pharmaceuti

Manufacturer high quality 2,7-Dihydroxynaphthalene Cas 582-17-2 with good price

Cas:582-17-2

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

The company has a professional R & D team, mature technology, very competitive prices and stable high quality products for customers to order high quality and low price product efforts! Appearance: GrayPowder Storage:Sealed, dry, microtherm

2,7-Dihydroxynaphthalene

Cas:582-17-2

Min.Order:1 Kilogram

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply 2,7-Naphthalenediol

Cas:582-17-2

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Factory price Cosmetic 2,7-NAPHTHALENEDIOL 582-17-2 Manufacturer

Cas:582-17-2

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Chemwill Asia Co., Ltd.

2,7-Dihydroxynaphthalene Manufacturer Factory CAS 582-17-2 2,7-Dihydroxynaphthalene Manufacturer High quality Best price In stock factory CAS 582-17-2 2,7-Dihydroxynaphthalene COA TDS price MSDS highly quality and immedaite delivery Name

2,7-Dihydroxynaphthalene Manufacturer Factory CAS 582-17-2

Cas:582-17-2

Min.Order:5 Kiloliter

FOB Price: $3.5 / 5.0

Type:Manufacturers

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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 t

High purity 2,7-Dihydroxynaphthalene 98% TOP1 supplier in China

Cas:582-17-2

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

2,7-Dihydroxynaphthalene Basic information Product Name: 2,7-Dihydroxynaphthalene Synonyms: C.I. 76645;c.i.76645;CI 76645;Naphthalene-2,7-Diol;Naphthalenediol-(2,7);naphthalenediol-2,7;2

2,7-Dihydroxynaphthalene

Cas:582-17-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

2,7-Dihydroxynaphthalene

Cas:582-17-2

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Factory direct supply CAS 582-17-2 with best quality

Cas:582-17-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

2,7-Dihydroxynaphthalene CAS582-17-2

Cas:582-17-2

Min.Order:1 Kilogram

FOB Price: $289.0 / 499.0

Type:Trading Company

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Henan Wentao Chemical Product Co., Ltd.

1)quick response within 12 hours; 2)quality guarantee: all products are strictly tested by our qc, confirmed by qa and approved by third party lab in china, usa, canada, germany, uk, italy, france etc. 3) oem/odm available; 4) rea

2,7-NaphtalenediolCAS NO.:582-17-2

Cas:582-17-2

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients 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 Specialized

2,7-Dihydroxynaphthalene 582-17-2

Cas:582-17-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Leader Biochemical Group

About Product Details Items Specifications Test Results Appearance White to white crystalline powde

China Biggest Factory Manufacturer Supply 2,7-Dihydroxynaphthalene CAS 582-17-2

Cas:582-17-2

Min.Order:100 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

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Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

2,7-Dihydroxynaphthalene

Cas:582-17-2

Min.Order:1 Kilogram

FOB Price: $89.0 / 100.0

Type:Trading Company

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Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

2,7-Dihydroxynaphthalene

Cas:582-17-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,

High purity 2,7-Dihydroxynaphthalene CAS NO.582-17-2

Cas:582-17-2

Min.Order:20 Metric Ton

Negotiable

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

2,7-Dihydroxynaphthalene

Cas:582-17-2

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

CAS 582-17-2 2,7-Dihydroxynaphthalene

Cas:582-17-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Mojin Biotechnology Co.,Ltd

Product quality: Our company have high quality product , and also the product we have good manufacture . First of all, this product is of fine quality. Every finish should be checked by quality inspection system.And every one should be also tried

High Purity CAS 582-17-2 2, 7-Dihydroxynaphthalene

Cas:582-17-2

Min.Order:1 Kilogram

FOB Price: $20.0 / 30.0

Type:Trading Company

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Shanxi Ankesi Biotechnology Co., Ltd

Our Advantage 1. Rich experience We specialize in this filed for many years, our APIs exported to all over the world and and we established long friendly relations of cooperation with our clients. 2. Great quality,purity and favorable Good qual

Industrial high quality good factory price CAS 582-17-2 2,7-Dihydroxynaphthalene

Cas:582-17-2

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Lonwin Chemical Group Limited

Factory direct suppl CAS: 582-17-2 Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard Shelf life 2 years Storage should be stored in a well-cl

Factory supply Factory direct suppl

Cas:582-17-2

Min.Order:1 Kilogram

FOB Price: $100.0 / 150.0

Type:Other

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

2,7-Naphthalenediol

Cas:582-17-2

Min.Order:0

Negotiable

Type:Manufacturers

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Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

2,7-Dihydroxynaphthalene

Cas:582-17-2

Min.Order:0 Metric Ton

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Type:Lab/Research institutions

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Hefei Zhaobo Technology Co., Ltd.

Our Advantages Production: Advanced chemical equipment with years of experience Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Specif

2,7-Dihydroxynaphthalene CAS 582-17-2

Cas:582-17-2

Min.Order:1 Kilogram

FOB Price: $75.0 / 150.0

Type:Trading Company

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Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

2,7-Dihydroxynaphthalene

Cas:582-17-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

2,7-Dihydroxynaphthalene CAS NO.582-17-2

Cas:582-17-2

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

2,7- DIHYDROXY NAPHTHALENEAppearance:Colorless transparent liquid Storage:Keep away of light, cool place Package:according to customers' requirements Application:pharmaceutical intermediates Transportation:By air(EMS or EUB or FedEx or TNT ect...) or

2,7- DIHYDROXY NAPHTHALENE

Cas:582-17-2

Min.Order:1 Gram

Negotiable

Type:Other

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Synthetic route

2,7-Bis-(tert-butyl-dimethyl-silanyloxy)-naphthalene

2,7-Bis-(tert-butyl-dimethyl-silanyloxy)-naphthalene

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
With iron(III) chloride In methanol at 60℃; for 6h;95%
2,7-diisopropylnaphthalene
40458-98-8

2,7-diisopropylnaphthalene

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
Stage #1: 2,7-diisopropylnaphthalene With N-hydroxyphthalimide; azobisisobutyronitrile; oxygen In acetonitrile at 75℃; under 15201 Torr; for 21h;
Stage #2: With sulfuric acid In acetonitrile at 25℃; for 2h; Further stages.;
90%
7‐((tert‐butyldimethylsilyl)oxy)naphthalen‐2‐ol
145970-32-7

7‐((tert‐butyldimethylsilyl)oxy)naphthalen‐2‐ol

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
With iron(III) chloride In methanol at 60℃; for 6h;90%
2,7-dihydroxynaphthalene-1-carbaldehyde
20258-95-1

2,7-dihydroxynaphthalene-1-carbaldehyde

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 0.5h;82%
Multi-step reaction with 2 steps
1: 52 percent / Br2 / pyridine / 1 h
2: 20 percent / hydrogen chloride / ethanol / 0.5 h
View Scheme
2,7-bis(diethylcarbamoyloxy)naphthalene
526190-47-6

2,7-bis(diethylcarbamoyloxy)naphthalene

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
With zirconocene dichloride In tetrahydrofuran at 20℃; Inert atmosphere;82%
2,7-naphthalenedisulfonic acid, sodium salt
1655-35-2, 51770-81-1

2,7-naphthalenedisulfonic acid, sodium salt

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
With sodium oxide; sodium hydroxide In dodecane at 290℃; for 8h; Solvent; Temperature; Autoclave;77.1%
2,7-diisopropylnaphthalene
40458-98-8

2,7-diisopropylnaphthalene

A

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

B

7-isopropylnaphthalen-2-ol
760179-65-5

7-isopropylnaphthalen-2-ol

Conditions
ConditionsYield
Stage #1: 2,7-diisopropylnaphthalene With N-hydroxyphthalimide; azobisisobutyronitrile; oxygen In acetonitrile at 75℃; under 760.051 Torr; for 21h;
Stage #2: With sulfuric acid In acetonitrile at 25℃; for 2h; Further stages.;
A 67%
B 21%
2,7-diacetoxynaphthalene
22472-26-0

2,7-diacetoxynaphthalene

A

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

B

2-acetoxy-7-hydroxynaphthalene
146744-23-2

2-acetoxy-7-hydroxynaphthalene

Conditions
ConditionsYield
With lipase of Pseudomonas sp; water In various solvent(s) at 25℃; for 1h; Hydrolysis; deacetylation;A n/a
B 45%
2-<2,7-Dihydroxy-naphthoyl>-benzoesaeure
25932-69-8

2-<2,7-Dihydroxy-naphthoyl>-benzoesaeure

recorcinol
108-46-3

recorcinol

A

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

B

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
With methanesulfonic acid In tolueneA 43%
B 20%
8-bromo-2,7-dihydroxynaphthalene-1-carbaldehyde
81803-62-5

8-bromo-2,7-dihydroxynaphthalene-1-carbaldehyde

A

2,7-dihydroxynaphthalene-1-carbaldehyde
20258-95-1

2,7-dihydroxynaphthalene-1-carbaldehyde

B

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 0.5h;A 35%
B 20%
β-naphthol
135-19-3

β-naphthol

A

2,6-Dihydroxynaphthalene
581-43-1

2,6-Dihydroxynaphthalene

B

1,7-Dihydroxynaphthalene
575-38-2

1,7-Dihydroxynaphthalene

C

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

D

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
With dihydrogen peroxide; hydrogen fluoride; antimony pentafluoride at -40℃; for 0.25h; Mechanism; Product distribution;A 25.5%
B 29%
C 11%
D 3.5%
With dihydrogen peroxide; hydrogen fluoride; antimony pentafluoride at -40℃; for 0.25h;A 25.5%
B 29%
C 11%
D 3.5%
tetrachloromethane
56-23-5

tetrachloromethane

2-hydroxynaphthalene-7-sulfonic acid
92-40-0

2-hydroxynaphthalene-7-sulfonic acid

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
beim Schmelzen;
(±)-2,2’,7,7’-tetrahydroxy-1,1’-binaphthyl
317807-18-4

(±)-2,2’,7,7’-tetrahydroxy-1,1’-binaphthyl

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
at 300℃;
2-hydroxynaphthalene-7-sulfonic acid
92-40-0

2-hydroxynaphthalene-7-sulfonic acid

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
With sodium hydroxide beim Schmelzen;
2,7-naphthalenedisulfonic acid
92-41-1

2,7-naphthalenedisulfonic acid

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
With potassium hydroxide
9,11-dihydroxy-2-methoxy-benzo[a]xanthen-12-one
58933-28-1

9,11-dihydroxy-2-methoxy-benzo[a]xanthen-12-one

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
With potassium hydroxide
C102H144N4O44*C10H8O2

C102H144N4O44*C10H8O2

A

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

B

3,3I,3II,3III,3IV,3V,3VI,3VII,3VIII,3IX,3X,3XI-[(5,14,20,29,32,33,36,37-octamethyl-7,12,22,27-tetraoxapentacyclo[26.2.2.23,6.213,16.218,21]octatriaconta-3,5,13,15,18,20,28,30,31,33,35,37-dodecaene-2,2,17,17-tetrayl)tetra...]

3,3I,3II,3III,3IV,3V,3VI,3VII,3VIII,3IX,3X,3XI-[(5,14,20,29,32,33,36,37-octamethyl-7,12,22,27-tetraoxapentacyclo[26.2.2.23,6.213,16.218,21]octatriaconta-3,5,13,15,18,20,28,30,31,33,35,37-dodecaene-2,2,17,17-tetrayl)tetra...]

Conditions
ConditionsYield
In dimethylsulfoxide-d6; water-d2 at 26.9℃; Equilibrium constant; 1H-NMR binding titration method;
C50H60O12*2C10H8O2

C50H60O12*2C10H8O2

A

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

B

5,14,20,21,29,32,33,37-octamethyl-7,12,22,27-tetraoxapentacyclo[26.2.2.23,6.213,16.218,21]octatriaconta-3,5,13,15,18,20,28,30,31,33,35,37-dodecaene-2,2,17,17-tetraacetic acid
202195-93-5

5,14,20,21,29,32,33,37-octamethyl-7,12,22,27-tetraoxapentacyclo[26.2.2.23,6.213,16.218,21]octatriaconta-3,5,13,15,18,20,28,30,31,33,35,37-dodecaene-2,2,17,17-tetraacetic acid

Conditions
ConditionsYield
In dimethylsulfoxide-d6; water-d2 at 26.9℃; Equilibrium constant; 1H-NMR binding titration method;
naphthalene
91-20-3

naphthalene

A

1,4-Dihydroxynaphthalene
571-60-8

1,4-Dihydroxynaphthalene

B

α-naphthol
90-15-3

α-naphthol

C

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

D

1,8-dihydroxynaphthalene
569-42-6

1,8-dihydroxynaphthalene

E

1,5-dihydroxynaphthalene
83-56-7

1,5-dihydroxynaphthalene

F

β-naphthol
135-19-3

β-naphthol

G

all disubstituted naphthalenes; trisubstituted naphthalenes

all disubstituted naphthalenes; trisubstituted naphthalenes

Conditions
ConditionsYield
With n-butyllithium; potassium tert-butylate Product distribution; multistep reaction; isomer distribution as a function of the solvent and conditions (THF only monosubstitution), also after reaction with Me2SO4;
2,7-naphthalenedisulfonic acid
92-41-1

2,7-naphthalenedisulfonic acid

alkali hydroxide

alkali hydroxide

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

disodium-

disodium-

calcium-

calcium-

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
With potassium hydroxide
With sodium hydroxide
naphthalene-2.7-disulfonate calcium

naphthalene-2.7-disulfonate calcium

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
With sodium hydroxide; hydrogen at 290 - 300℃; man saeuert die Schmelze mit Salzsaeure an und schuettelt mit Aether oder Essigester aus;
naphthalene-2.7-disulfonate sodium

naphthalene-2.7-disulfonate sodium

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
With sodium hydroxide; hydrogen at 290 - 300℃; man saeuert die Schmelze mit Salzsaeure an und schuettelt mit Aether oder Essigester aus;
C16H16N2O6*C10H8O2

C16H16N2O6*C10H8O2

A

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

B

C16H16N2O6
533933-41-4

C16H16N2O6

Conditions
ConditionsYield
In chloroform at 24.85℃; Equilibrium constant;
8-bromo-2,7-dihydroxynaphthalene-1-carbaldehyde
81803-62-5

8-bromo-2,7-dihydroxynaphthalene-1-carbaldehyde

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 35 percent / hydrogen chloride / ethanol / 0.5 h
2: 82 percent / hydrogen chloride / ethanol / 0.5 h
View Scheme
7-methoxy-2-naphthol
5060-82-2

7-methoxy-2-naphthol

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

Conditions
ConditionsYield
With Pyridine hydrobromide In sulfolane at 150 - 160℃; for 3h; Inert atmosphere;
C14H15BrO4
1368254-78-7

C14H15BrO4

A

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

B

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C / Inert atmosphere
1.2: 3.5 h / -78 - 20 °C / Inert atmosphere
2.1: hydrogenchloride / 1,4-dioxane / 3 h / 20 °C
3.1: methanesulfonic acid / toluene
View Scheme
C22H20O7
1368254-79-8

C22H20O7

A

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

B

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: hydrogenchloride / 1,4-dioxane / 3 h / 20 °C
2: methanesulfonic acid / toluene
View Scheme
1-bromo-2,7-dihydroxynaphthalene
2954-75-8

1-bromo-2,7-dihydroxynaphthalene

A

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

B

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 1 h / Cooling with ice
1.2: 4.5 h / 20 °C
2.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C / Inert atmosphere
2.2: 3.5 h / -78 - 20 °C / Inert atmosphere
3.1: hydrogenchloride / 1,4-dioxane / 3 h / 20 °C
4.1: methanesulfonic acid / toluene
View Scheme
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

2,7-bis(trimethylsilyloxy)naphthalene
1226-72-8

2,7-bis(trimethylsilyloxy)naphthalene

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 4h;99%
With pyridine; diethyl ether
2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

1-nitroso-naphthalene-2,7-diol
27428-79-1

1-nitroso-naphthalene-2,7-diol

Conditions
ConditionsYield
With sulfuric acid; sodium hydroxide; sodium nitrite In water at 0℃;99%
With sulfuric acid; sodium hydroxide; sodium nitrite In water at 3℃; for 1.5h; Temperature;94%
With sodium nitrite92.1%
2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

ethyl 6-O-(tert-butyldiphenylsilyl)-4-O-methoxycarbonyl-2,3-dideoxy-α-D-erythro-hex-2-enopyranoside
162934-16-9

ethyl 6-O-(tert-butyldiphenylsilyl)-4-O-methoxycarbonyl-2,3-dideoxy-α-D-erythro-hex-2-enopyranoside

2,7-bis-(ethyl 6-O-tert-butyldiphenylsilyl-2,3-dideoxy-α-D-erythro-hex-2-enopyranosyl-4-oxy)naphthalene

2,7-bis-(ethyl 6-O-tert-butyldiphenylsilyl-2,3-dideoxy-α-D-erythro-hex-2-enopyranosyl-4-oxy)naphthalene

Conditions
ConditionsYield
tris-(dibenzylideneacetone)dipalladium(0); 1,4-di(diphenylphosphino)-butane In tetrahydrofuran at 25℃; for 20h;99%
2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

dimethyl sulfate
77-78-1

dimethyl sulfate

2,7-Dimethoxynaphthalene
3469-26-9

2,7-Dimethoxynaphthalene

Conditions
ConditionsYield
With potassium carbonate In acetone for 10h; Reflux;98.3%
With sodium hydroxide97%
With sodium hydroxide for 2h;96.5%
2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

1-bromo-2,7-dihydroxynaphthalene
2954-75-8

1-bromo-2,7-dihydroxynaphthalene

Conditions
ConditionsYield
With N-Bromosuccinimide; lithium perchlorate; silica gel In dichloromethane at 20℃; for 0.0833333h;98%
With N-Bromosuccinimide In acetonitrile at 20℃; for 3h;96%
With N-Bromosuccinimide In acetonitrile at 0 - 20℃; for 4h; Inert atmosphere;95%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

1-chloromethyl-9-hydroxy-3-oxo-3H-benzo[f]benzopyran
861820-83-9

1-chloromethyl-9-hydroxy-3-oxo-3H-benzo[f]benzopyran

Conditions
ConditionsYield
With sulfuric acid at 20℃; for 3h;98%
In sulfuric acid at 20℃; Pechmann reaction;92%
With sulfuric acid In water at 20℃; for 78h;92%
5-methylisoxazol-3-ylamine
1072-67-9

5-methylisoxazol-3-ylamine

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

4-fluorobenzaldehyde
459-57-4

4-fluorobenzaldehyde

C21H17FN2O3
1380601-72-8

C21H17FN2O3

Conditions
ConditionsYield
at 80℃; for 0.5h; Neat (no solvent);98%
4-Nitrophthalonitrile
31643-49-9

4-Nitrophthalonitrile

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

2,7-Bis(3,4-Dicyanophenoxy)Naphthalene
77785-81-0

2,7-Bis(3,4-Dicyanophenoxy)Naphthalene

Conditions
ConditionsYield
With potassium carbonate In dimethyl sulfoxide for 24h; Ambient temperature;97%
With sodium hydroxide; dimethyl sulfoxide In water; benzene6.1 g (59%)
5-methylisoxazol-3-ylamine
1072-67-9

5-methylisoxazol-3-ylamine

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

1-[(5-methylisoxazol-3-ylamino)(4-nitrophenyl)methyl]naphthalene-2,7-diol
1380601-75-1

1-[(5-methylisoxazol-3-ylamino)(4-nitrophenyl)methyl]naphthalene-2,7-diol

Conditions
ConditionsYield
at 80℃; for 0.5h; Neat (no solvent);97%
2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

N,N-diethylcarbamyl chloride
88-10-8

N,N-diethylcarbamyl chloride

2,7-bis(diethylcarbamoyloxy)naphthalene
526190-47-6

2,7-bis(diethylcarbamoyloxy)naphthalene

Conditions
ConditionsYield
With pyridine at 100℃; for 48h; Inert atmosphere; Cooling with ice;97%
With pyridine at 100℃; for 48h;
2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

1-nitro-2,7-dihydroxynaphthalene
90800-48-9

1-nitro-2,7-dihydroxynaphthalene

Conditions
ConditionsYield
Stage #1: 2,7-Dihydroxynaphthalene With sodium hydroxide In water at 60℃; for 0.5h;
Stage #2: With sulfuric acid; sodium nitrite In water at 0℃; for 3h;
96.2%
With sulfuric acid; sodium hydroxide; sodium nitrite at 0℃; for 1h;90%
With 4-nitro-4-methyl-2,3,5,6-tetrabromo-2,5-cyclohexadien-1-one In diethyl ether for 2h; Ambient temperature;50%
Multi-step reaction with 3 steps
1: KOH / H2O
2: aq. HNO3 / acetic acid
3: Py*HCl / Heating
View Scheme
2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

(±)-2,2’,7,7’-tetrahydroxy-1,1’-binaphthyl
317807-18-4

(±)-2,2’,7,7’-tetrahydroxy-1,1’-binaphthyl

Conditions
ConditionsYield
With iron(III) chloride In water for 4h; Heating;96%
With iron(III) chloride In water for 4h; Reflux;96%
With air; aluminum oxide; copper(II) sulfate In chlorobenzene at 140℃; for 15h;93%
2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

acetic anhydride
108-24-7

acetic anhydride

2,7-diacetoxynaphthalene
22472-26-0

2,7-diacetoxynaphthalene

Conditions
ConditionsYield
With pyridine In dichloromethane at 0℃; for 0.5h;96%
With copper(II) bis(trifluoromethanesulfonate) In dichloromethane for 2h; Ambient temperature;82%
With pyridine
With pyridine Acetylation; esterification;
2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

4-fluorobenzaldehyde
459-57-4

4-fluorobenzaldehyde

dimedone
126-81-8

dimedone

12-(4-fluorophenyl)-2-hydroxy-9,9-dimethyl-9,10-dihydro-8H-benzo[a]xanthen-11(12H)-one
1352090-35-7

12-(4-fluorophenyl)-2-hydroxy-9,9-dimethyl-9,10-dihydro-8H-benzo[a]xanthen-11(12H)-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid In ethanol for 2.5h; Reflux;96%
With N-methyl-2-oxopyrrolidin-1-ium dihydrogen phosphate at 80℃; for 0.333333h; Ionic liquid;91%
With alum at 60℃; for 0.833333h; Green chemistry;82%
piperazine
110-85-0

piperazine

formaldehyd
50-00-0

formaldehyd

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

1,1′-[piperazine-1,4-diylbis(methylene)]bis(naphthalene-2,7-diol)

1,1′-[piperazine-1,4-diylbis(methylene)]bis(naphthalene-2,7-diol)

Conditions
ConditionsYield
In methanol; water at 20℃; for 1.33333h;96%
Stage #1: piperazine; formaldehyd In methanol at 20℃; for 0.333333h;
Stage #2: 2,7-Dihydroxynaphthalene In methanol for 2h;
96%

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