ChemicalBook--->CAS DataBase List--->6470-18-4

6470-18-4

6470-18-4 Structure

6470-18-4 Structure
IdentificationMore
[Name]

1-Acetamido-7-hydroxynaphthalene
[CAS]

6470-18-4
[Synonyms]

1-Acetamido-7-hydroxynaphthalene
1-acetamido-7-naphthol
1-ACETHYL AMINO-7 NAPTHTHOL
1-ACETYLAMINO-7-NAPHTHOL
ACETAMIDE, N-(7-HYDROXY-1-NAPHTHALENYL)-
N-(7-HYDROXYNAPHTHALEN-1-YL)ACETAMIDE
N-ACETYL-7-HYDROXYNAPHTHLAMINE
n-(7-hydroxy-1-naphthalenyl)-acetamid
N-(7-hydroxy-1-naphthalenyl)-Acetamide
n-(7-hydroxy-1-naphthyl)acetamide
4'-Nitrophenyl-1-Hydroxy-2-Naphthionate
1-ACETAMINO-7-NAPHTHOL
1-Acetamino-7-hydroxynaphthalin
8-Acetamido-2-naphthol
N-(7-Hydroxy-1-naphtyl)acetamide
[EINECS(EC#)]

229-293-5
[Molecular Formula]

C12H11NO2
[MDL Number]

MFCD00035710
[Molecular Weight]

201.22
[MOL File]

6470-18-4.mol
Chemical PropertiesBack Directory
[Melting point ]

168-169 °C
[Boiling point ]

170-172 °C(Press: 16 Torr)
[density ]

1.297±0.06 g/cm3(Predicted)
[storage temp. ]

Inert atmosphere,Room Temperature
[pka]

9.44±0.40(Predicted)
[CAS DataBase Reference]

6470-18-4(CAS DataBase Reference)
[EPA Substance Registry System]

6470-18-4(EPA Substance)
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Sodium hydroxide-->Hydrochloric acid-->Acetic acid-->1-Amino-7-naphthol-->Acetic anhydride
[Preparation Products]

Acid Black 107-->Acid Black 168-->Neutral Grey 2BL-->Acid Black 60-->Acid Brown 21-->6-Bromo-8-fluoro-2-naphthol-->hydrogen bis[N-[7-hydroxy-8-[[2-hydroxy-5-sulphamoylphenyl]azo]-1-naphthyl]acetamidato(2-)]chromate(1-)-->Acid Bule 328-->Acid Brown 21-->Acid blue 171-->Mordant Black 38-->Acid Green 56-->Acid Brown 454-->Disperse Red 334-->Acid black 58-->Acid black 60
Safety DataBack Directory
[TSCA ]

TSCA listed
[REACH Registrations]

Active
Hazard InformationBack Directory
[Chemical Properties]

Gray powder
[Uses]

Intermediate of dyestuff
[Synthesis]

1-Amino-7-naphthol

118-46-7

Acetic anhydride

108-24-7

1-Acetamido-7-hydroxynaphthalene

6470-18-4

Acetic anhydride (120 μL, 1.0 eq.) was slowly added to a solution of 7-amino-2-naphthol (1.57 mmol) in dichloromethane (8 mL) under inert atmosphere. The reaction mixture was stirred at room temperature for 5 h. Acetic anhydride (240 μL, 2.0 eq.) was added again. The reaction mixture was continued to be stirred at room temperature for 16 hours. Upon completion of the reaction, the solvent was removed by distillation under reduced pressure and the resulting residue was purified by column chromatography after pre-adsorption on silica gel. The target compound 1-acetamido-7-naphthol (compound 12) was finally obtained as a brown solid in 88% yield. Mass spectrometry analysis showed M/Z(M + H)+ = 202.

[References]

[1] Patent: EP1961738, 2008, A1. Location in patent: Page/Page column 13
[2] Chemische Berichte, 1909, vol. 42, p. 352
[3] Chemische Berichte, 1896, vol. 29, p. 41
[4] Journal of Medicinal Chemistry, 2005, vol. 48, # 12, p. 3953 - 3979
[5] Journal of Organic Chemistry, 2005, vol. 70, # 24, p. 10004 - 10012
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