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High purity 1,6-Dihydroxynaphthalene 98% TOP1 supplier in China
Cas No: 575-44-0
No Data 100 Gram 1 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
1,6-Dihydroxy Naphthalene
Cas No: 575-44-0
USD $ 500.0-500.0 / Kilogram 1 Kilogram 1 Metric Ton/Month Kono Chem Co.,Ltd Contact Supplier
1,6-Dihydroxynaphthalene
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USD $ 12.0-12.0 / Gram 10 Gram 100 Metric Ton/Year Jinan Finer Chemical Co., Ltd Contact Supplier
1,6-Dihydroxynaphthalene
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Large Stock 99.0% 1,6-Dihydroxy Naphthalene 575-44-0 Producer
Cas No: 575-44-0
USD $ 0.1-0.1 / Gram 1 Gram 100 Metric Ton/Year Xi'an Xszo Chem Co., Ltd. Contact Supplier
Factory Supply 1,6-Dihydroxy Naphthalene
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No Data 1 1 Ality Chemical Corporation Contact Supplier
1,6-Naphthalenediol
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No Data 10 Milligram Amadis Chemical Co., Ltd. Contact Supplier
1,6-Dihydroxynaphthalene
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No Data No Data No Data Chemwill Asia Co., Ltd. Contact Supplier
1,6-Dihydroxynaphthalene 575-44-0
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No Data 1 Metric Ton 1 Metric Ton/Day Henan Tianfu Chemical Co., Ltd. Contact Supplier
Factory direct supply CAS 575-44-0 with best quality
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USD $ 139.0-210.0 / Kilogram 1 Kilogram 1000 Kilogram/Day Zhuozhou Wenxi import and Export Co., Ltd Contact Supplier

575-44-0 Usage

Purification Methods

Crystallise it from *benzene or *benzene/EtOH after treatment with charcoal. [Beilstein 6 IV 6557.]

Chemical Properties

Beige powder
InChI:InChI=1/C10H8O2/c11-8-4-5-9-7(6-8)2-1-3-10(9)12/h1-6,11-12H

575-44-0 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Alfa Aesar (L15801)  1,6-Dihydroxynaphthalene, 97+%    575-44-0 25g 300.0CNY Detail
Alfa Aesar (L15801)  1,6-Dihydroxynaphthalene, 97+%    575-44-0 100g 918.0CNY Detail
Alfa Aesar (L15801)  1,6-Dihydroxynaphthalene, 97+%    575-44-0 500g 3513.0CNY Detail
Aldrich (274127)  1,6-Dihydroxynaphthalene  99% 575-44-0 274127-50G 659.88CNY Detail
Aldrich (274127)  1,6-Dihydroxynaphthalene  99% 575-44-0 274127-250G 3,363.75CNY Detail

575-44-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name naphthalene-1,6-diol

1.2 Other means of identification

Product number -
Other names 6-Hydroxy-1-naphthol

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:575-44-0 SDS

575-44-0Synthetic route

1,6-diacetoxynaphthalene
59335-81-8

1,6-diacetoxynaphthalene

A

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

B

1-acetoxy-6-hydroxynaphthalene

1-acetoxy-6-hydroxynaphthalene

C

6-acetoxy-1-hydroxynaphthalene

6-acetoxy-1-hydroxynaphthalene

Conditions
ConditionsYield
With lipase of Pseudomonas sp; water In various solvent(s) at 25℃; for 0.75h; Hydrolysis; deacetylation;A n/a
B n/a
C 54%
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%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

Conditions
ConditionsYield
With sodium hydroxide at 260℃; unter Druck;
2-amino-5-hydroxy-naphthalene-1-sulfonic acid
871887-69-3

2-amino-5-hydroxy-naphthalene-1-sulfonic acid

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

Conditions
ConditionsYield
at 240℃; bei der Kalischmelze unter Druck;
5-amino-2-naphthol
86-97-5

5-amino-2-naphthol

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

Conditions
ConditionsYield
With sodium hydrogensulfite anschliessendes Erhitzen mit wss. NaOH;
2-amino-1,5-naphthalenedisulfonic acid
117-62-4

2-amino-1,5-naphthalenedisulfonic acid

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

Conditions
ConditionsYield
at 240℃; bei der Kalischmelze unter Druck;
Multi-step reaction with 2 steps
1: durch Kalischmelze
2: 240 °C / bei der Kalischmelze unter Druck
View Scheme
2,5-dihydroxy-naphthalene-1-sulfonic acid
858464-85-4

2,5-dihydroxy-naphthalene-1-sulfonic acid

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

Conditions
ConditionsYield
at 240℃; bei der Kalischmelze unter Druck;
naphthalene
91-20-3

naphthalene

A

α-naphthol
90-15-3

α-naphthol

B

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

C

β-naphthol
135-19-3

β-naphthol

Conditions
ConditionsYield
With hydrogen fluoride; boron trifluoride; dihydrogen peroxide at -78℃; for 0.5h; Mechanism; Product distribution; other reagents, other temp.;
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

A

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

B

5-amino-2-naphthol
86-97-5

5-amino-2-naphthol

C

1-amino-naphthalene
134-32-7

1-amino-naphthalene

D

naphthol-(1)-sulfonic acid-(5)(?)

naphthol-(1)-sulfonic acid-(5)(?)

Conditions
ConditionsYield
at 260℃; im Autoklaven;
2-oxy-naphthalene-5-sulfonate potassium

2-oxy-naphthalene-5-sulfonate potassium

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

Conditions
ConditionsYield
With potassium carbonate at 260 - 270℃;
disulfurous acid ester of/the/ 1.6-dioxy-naphthalene-sulfonic acid-(5)

disulfurous acid ester of/the/ 1.6-dioxy-naphthalene-sulfonic acid-(5)

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

Conditions
ConditionsYield
With acid
naphthalene-disulfonic acid-(1.6)

naphthalene-disulfonic acid-(1.6)

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

Conditions
ConditionsYield
With alkali at 220 - 230℃;
6-hydroxy-1-naphthalene sulfonic acid
20386-27-0

6-hydroxy-1-naphthalene sulfonic acid

potash

potash

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

Conditions
ConditionsYield
at 260 - 270℃; beim Schmelzen;
naphthalene-1,6-disulfonic acid
525-37-1

naphthalene-1,6-disulfonic acid

alkali

alkali

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

Conditions
ConditionsYield
at 220 - 230℃;
2-amino-5-hydroxy-naphthalene-1-sulfonic acid
871887-69-3

2-amino-5-hydroxy-naphthalene-1-sulfonic acid

sodium hydrogensulfite

sodium hydrogensulfite

aniline
62-53-3

aniline

A

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

B

6-Anilino-[1]naphthol
139263-46-0

6-Anilino-[1]naphthol

C

2,5-dihydroxy-naphthalene-1-sulfonic acid
858464-85-4

2,5-dihydroxy-naphthalene-1-sulfonic acid

D

2-anilino-5-hydroxy-naphthalene-1-sulfonic acid
861341-81-3

2-anilino-5-hydroxy-naphthalene-1-sulfonic acid

2,5-bis-sulfinooxy-naphthalene-1-sulfonic acid ; trisodium salt

2,5-bis-sulfinooxy-naphthalene-1-sulfonic acid ; trisodium salt

acid

acid

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

4,7-dihydroxy-naphthalene-1-sulfonic acid
149141-84-4

4,7-dihydroxy-naphthalene-1-sulfonic acid

sodium amalgam

sodium amalgam

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

sulfuric acid
7664-93-9

sulfuric acid

2-anilino-5-hydroxy-naphthalene-1-sulfonic acid
861341-81-3

2-anilino-5-hydroxy-naphthalene-1-sulfonic acid

A

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

B

aniline
62-53-3

aniline

2-aminonaphthalenesulfonic acid
81-16-3

2-aminonaphthalenesulfonic acid

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: fuming sulfuric acid / 30 - 40 °C
2: 240 °C / bei der Kalischmelze unter Druck
View Scheme
Multi-step reaction with 3 steps
1: fuming sulfuric acid / 30 - 40 °C
2: durch Kalischmelze
3: 240 °C / bei der Kalischmelze unter Druck
View Scheme
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

magnesium methyl carbonate
4861-79-4

magnesium methyl carbonate

1.6-Dihydroxy-2-naphthylcarbonsaeure
38134-93-9

1.6-Dihydroxy-2-naphthylcarbonsaeure

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 180℃; under 25857.4 Torr; for 6h;100%
phthalic anhydride
85-44-9

phthalic anhydride

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

naphthofluorescein
61419-02-1

naphthofluorescein

Conditions
ConditionsYield
With methanesulfonic acid In acetone at 120℃; for 13h; Reagent/catalyst; Inert atmosphere;99%
With methanesulfonic acid at 120℃; for 13h; Reagent/catalyst; Inert atmosphere;87%
With methanesulfonic acid at 100℃; for 12h;79%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

dimethyl sulfate
77-78-1

dimethyl sulfate

1,6-dimethoxynaphthalene
3900-49-0

1,6-dimethoxynaphthalene

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water at 45℃; for 1.5h; Inert atmosphere;99%
With sodium hydroxide In acetone Heating;94%
With potassium carbonate In acetone at 20℃; Inert atmosphere;94%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

ethyl iodide
75-03-6

ethyl iodide

A

Fmoc-(D,L)-5-ethoxy-2-aminotetraline-2-carboxylic acid (Fmoc-(D,L) 5-EtOAtc-OH)

Fmoc-(D,L)-5-ethoxy-2-aminotetraline-2-carboxylic acid (Fmoc-(D,L) 5-EtOAtc-OH)

B

1,6-diethoxynaphthalene
3955-85-9

1,6-diethoxynaphthalene

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamideA 99%
B 64%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

pivaloyl chloride
3282-30-2

pivaloyl chloride

naphthalene-1,6-diyl bis(2,2-dimethylpropanoate)
1533457-80-5

naphthalene-1,6-diyl bis(2,2-dimethylpropanoate)

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 20℃;99%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

6-hydroxy-[1,4]naphthoquinone
4923-53-9

6-hydroxy-[1,4]naphthoquinone

Conditions
ConditionsYield
With bis-[(trifluoroacetoxy)iodo]benzene97%
With C59H43N5OS2Zn; oxygen In methanol at 25℃; Irradiation;92%
With methylene blue In methanol; water at 20℃; under 7500.75 Torr; for 0.266667h; Irradiation; Flow reactor;89%
1-thiopropane
107-03-9

1-thiopropane

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

1,6-bis(1-propylthio)naphthalene

1,6-bis(1-propylthio)naphthalene

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene for 1h; Heating;97%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

tetra-O-acetyl-β-D-xylopyranose
4049-33-6

tetra-O-acetyl-β-D-xylopyranose

naphthalene-1,6-diyl bis(2,3,4-tri-O-acetyl-β-D-xylopyranoside)

naphthalene-1,6-diyl bis(2,3,4-tri-O-acetyl-β-D-xylopyranoside)

Conditions
ConditionsYield
With boron trifluoride diethyl etherate; triethylamine In dichloromethane at 20℃; for 2h;95%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

2'-Carboxy-4-diethylamino-2-hydroxybenzophenon
5809-23-4

2'-Carboxy-4-diethylamino-2-hydroxybenzophenon

12-(2-carboxyphenyl)-N,N-diethyl-8-hydroxy-3H-5-oxatetraphen-3-iminium

12-(2-carboxyphenyl)-N,N-diethyl-8-hydroxy-3H-5-oxatetraphen-3-iminium

Conditions
ConditionsYield
With trifluoroacetic acid for 24h; Concentration; Reflux;93%
With trifluoroacetic acid for 24h; Reflux;93.2%
With trifluoroacetic acid at 90℃; for 6h;61%
4-Nitrophthalonitrile
31643-49-9

4-Nitrophthalonitrile

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

C26H12N4O2

C26H12N4O2

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 85 - 90℃; for 6h;93%
With potassium carbonate In dimethyl sulfoxide for 24h; Ambient temperature;53.4%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

butan-1-ol
71-36-3

butan-1-ol

A

6-butoxynaphth-1-ol
1335012-46-8

6-butoxynaphth-1-ol

B

5-butoxynaphth-2-ol
1335012-43-5

5-butoxynaphth-2-ol

C

1,6-dibutoxynaphthalene
1335012-45-7

1,6-dibutoxynaphthalene

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In diethyl ether at 80℃; for 15h; Inert atmosphere;A n/a
B n/a
C 92%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

3-diethylaminophenol
91-68-9

3-diethylaminophenol

9-diethylamino-2-hydroxy-benzo[a]phenoxazin-5-one
188712-75-6

9-diethylamino-2-hydroxy-benzo[a]phenoxazin-5-one

Conditions
ConditionsYield
Stage #1: 3-diethylaminophenol With hydrogenchloride; sodium nitrite In water at 0℃; for 2.66667h;
Stage #2: 1,6-dihydroxynaphthalene In N,N-dimethyl-formamide for 3h; Reflux;
92%
In N,N-dimethyl-formamide for 4h; Inert atmosphere; Reflux;56%
Stage #1: 3-diethylaminophenol With hydrogenchloride; sodium nitrite
Stage #2: 1,6-dihydroxynaphthalene In N,N-dimethyl-formamide
Stage #1: 3-diethylaminophenol With hydrogenchloride; sodium nitrite In ethanol; water at 0 - 5℃; for 4h;
Stage #2: 1,6-dihydroxynaphthalene In ethanol; water; N,N-dimethyl-formamide at 80℃; for 4h;
1-bromo-butane
109-65-9

1-bromo-butane

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

1,6-dibutoxynaphthalene
1335012-45-7

1,6-dibutoxynaphthalene

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 60℃;92%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

2,5-dicarboxy-5'-chloro-2',4'-dihydroxybenzophenone

2,5-dicarboxy-5'-chloro-2',4'-dihydroxybenzophenone

6-carboxy-2'-chloroseminaphthofluorescein

6-carboxy-2'-chloroseminaphthofluorescein

Conditions
ConditionsYield
With methanesulfonic acid for 14h; Heating;91%
Benzylidenemalononitrile
2700-22-3

Benzylidenemalononitrile

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

2,9-diamino-3,8-dicyano-4,7-diphenyl-4,7-dihydronaphtho<1,2-b:6,5-b'>dipyran
128405-18-5

2,9-diamino-3,8-dicyano-4,7-diphenyl-4,7-dihydronaphtho<1,2-b:6,5-b'>dipyran

Conditions
ConditionsYield
With piperidine In ethanol for 1h; Heating;90%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

malononitrile
109-77-3

malononitrile

2-amino-4-(4-chlorophenyl)-8-hydroxy-4H-benzo[h]chromene-3-carbonitrile
179125-47-4

2-amino-4-(4-chlorophenyl)-8-hydroxy-4H-benzo[h]chromene-3-carbonitrile

Conditions
ConditionsYield
With nano zinc oxide In water at 80℃; for 4h; regioselective reaction;90%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

methyl iodide
74-88-4

methyl iodide

1,6-dimethoxynaphthalene
3900-49-0

1,6-dimethoxynaphthalene

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 2h;90%
1-butanethiol
109-79-5

1-butanethiol

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

1,6-Bis-butylsulfanyl-naphthalene
127567-60-6

1,6-Bis-butylsulfanyl-naphthalene

Conditions
ConditionsYield
With trifluorormethanesulfonic acid at 30℃; for 3h;88%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

dabsyl chloride
56512-49-3

dabsyl chloride

1,6-dihydroxynaphthalene didabsylate
146303-78-8

1,6-dihydroxynaphthalene didabsylate

Conditions
ConditionsYield
With carbonate-bicarbonate buffer In acetone for 0.5h; Heating;85%
With carbonate-bicarbonate buffer In acetone; acetonitrile 1.) 15 min, 2.) reflux;85%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

(7-hydroxy-2-oxo-naphtho[1,2-b]furan-3-ylidene)-acetic acid methyl ester

(7-hydroxy-2-oxo-naphtho[1,2-b]furan-3-ylidene)-acetic acid methyl ester

Conditions
ConditionsYield
With pyridine In diethyl ether at 20℃; for 24h;85%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

benzene
71-43-2

benzene

6-hydroxy-4-phenyl-1-tetralone
368883-85-6

6-hydroxy-4-phenyl-1-tetralone

Conditions
ConditionsYield
With aluminum tri-bromide at 25℃; for 48h;83%
S-monofluoromethyl-S-phenyl-2,3,4,5-tetramethylphenylsulphonium tetrafluoroborate

S-monofluoromethyl-S-phenyl-2,3,4,5-tetramethylphenylsulphonium tetrafluoroborate

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

1,6-bis(monofluoromethoxy)naphthalene

1,6-bis(monofluoromethoxy)naphthalene

Conditions
ConditionsYield
With caesium carbonate In acetonitrile at 20℃;82%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

2-(2,4-dihydroxybenzoyl)benzoic acid
2513-33-9

2-(2,4-dihydroxybenzoyl)benzoic acid

3,10-dihydroxy-spiro[7H-benzo[c]xanthen-7,1'(3'H)-isobenzofuran]-3'-one

3,10-dihydroxy-spiro[7H-benzo[c]xanthen-7,1'(3'H)-isobenzofuran]-3'-one

Conditions
ConditionsYield
With methanesulfonic acid; trifluoroacetic acid at 80℃; for 24h;82%
With methanesulfonic acid; trifluoroacetic acid at 80℃; for 24h;82%
With methanesulfonic acid In toluene at 65℃; for 0.5h;61%
Zinc chloride In methanol; potassium hydroxide; chloroform; water; acetic anhydride
1,11-dichloro-3,6,9-trioxaundecane
638-56-2

1,11-dichloro-3,6,9-trioxaundecane

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

1,6-Bis-(2-{2-[2-(2-chloro-ethoxy)-ethoxy]-ethoxy}-ethoxy)-naphthalene
185246-97-3

1,6-Bis-(2-{2-[2-(2-chloro-ethoxy)-ethoxy]-ethoxy}-ethoxy)-naphthalene

Conditions
ConditionsYield
With potassium carbonate In acetonitrile for 48h; Heating;81%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

6-Hydroxy-1-tetralone
3470-50-6

6-Hydroxy-1-tetralone

Conditions
ConditionsYield
With aluminum tri-bromide; cyclohexane In various solvent(s) at 25℃; for 72h;80%
With sodium hydroxide; aluminum nickel Hydrogenation;
With sodium hydroxide; nickel Hydrogenation;
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

2,6-dihydroxynaphthalene-1,4-dione
31039-62-0

2,6-dihydroxynaphthalene-1,4-dione

Conditions
ConditionsYield
With KO2 In toluene at -10℃; for 6h;80%
2-(8-hydroxy-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinoline-9-carbonyl)benzoic acid
107070-67-7

2-(8-hydroxy-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinoline-9-carbonyl)benzoic acid

1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

C30H23NO4

C30H23NO4

Conditions
ConditionsYield
Stage #1: 2-(8-hydroxy-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinoline-9-carbonyl)benzoic acid; 1,6-dihydroxynaphthalene With methanesulfonic acid at 65℃; for 12h;
Stage #2: With sodium perchlorate In water at 80℃;
79.6%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

3-(ethyl(3-hydroxy-4-nitrosophenyl)amino)propane-1-sulfonic acid hydrochloride
915777-42-3

3-(ethyl(3-hydroxy-4-nitrosophenyl)amino)propane-1-sulfonic acid hydrochloride

3-(ethyl(2-hydroxy-5-oxo-5H-benzo[a]phenoxazin-9-yl)amino)propane-1-sulfonic acid
188712-82-5

3-(ethyl(2-hydroxy-5-oxo-5H-benzo[a]phenoxazin-9-yl)amino)propane-1-sulfonic acid

Conditions
ConditionsYield
In N,N-dimethyl-formamide for 4h; Heating;79%
In N,N-dimethyl-formamide at 150℃; for 4h; Inert atmosphere;0.56 g
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

2-(2,4-dihydroxy-3-methyl-benzoyl)-benzoic acid
109342-74-7

2-(2,4-dihydroxy-3-methyl-benzoyl)-benzoic acid

4-methyl-3,10-dihydroxy-spiro[7H-benzo[c]xanthen-7,1'(3'H)-isobenzofuran]-3'-one

4-methyl-3,10-dihydroxy-spiro[7H-benzo[c]xanthen-7,1'(3'H)-isobenzofuran]-3'-one

Conditions
ConditionsYield
In methanesulfonic acid; water79%
1,6-dihydroxynaphthalene
575-44-0

1,6-dihydroxynaphthalene

4-(2,4-dihydroxybenzoyl)isophthalic acid

4-(2,4-dihydroxybenzoyl)isophthalic acid

C25H14O7

C25H14O7

Conditions
ConditionsYield
With methanesulfonic acid; trifluoroacetic acid at 20℃; for 24h; regioselective reaction;79%
With methanesulfonic acid; trifluoroacetic acid at 20℃;

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