ChemicalBook--->CAS DataBase List--->1685-19-4

1685-19-4

1685-19-4 Structure

1685-19-4 Structure
IdentificationBack Directory
[Name]

Ethanone,1-(2-amino-5-chlorophenyl)-
[CAS]

1685-19-4
[Synonyms]

(2-AMino-5-chlorophenyl)ethanone
Ethanone,1-(2-amino-5-chlorophenyl)-
1-(2-aMino-5-chlorophenyl)ethan-1-one
[Molecular Formula]

C8H8ClNO
[MDL Number]

MFCD07434611
[MOL File]

1685-19-4.mol
[Molecular Weight]

169.61
Chemical PropertiesBack Directory
[Melting point ]

65-66 °C
[Boiling point ]

305.1±27.0 °C(Predicted)
[density ]

1.254±0.06 g/cm3(Predicted)
[storage temp. ]

2-8°C(protect from light)
[pka]

1.67±0.10(Predicted)
[Appearance]

Light yellow to brown Solid
Safety DataBack Directory
[HS Code ]

2922390090
Spectrum DetailBack Directory
[Spectrum Detail]

Ethanone,1-(2-amino-5-chlorophenyl)-(1685-19-4)1HNMR
Hazard InformationBack Directory
[Synthesis]

1-(5-CHLORO-2-NITROPHENYL)-1-ETHANONE

18640-60-3

Ethanone,1-(2-amino-5-chlorophenyl)-

1685-19-4

(b) A mixture of 1-(5-chloro-2-nitrophenyl)ethanone (4.40 g, 22.05 mmol), PtO2 (40 mg), and activated charcoal (400 mg) in ethanol (80 mL) was subjected to a hydrogen atmosphere with rapid stirring at room temperature for 4.5 hours. Upon completion of the reaction, the mixture was filtered through a diatomaceous earth pad (the residue was washed with dichloromethane) and subsequently concentrated under reduced pressure. The concentrated residue was filtered through a pad of silica gel (eluent was dichloromethane/petroleum ether, 4:1) to give a light green oily substance. The oily substance was recrystallized by ethyl ether/petroleum ether to give 1-(2-amino-5-chlorophenyl)ethanone (3.30 g, 88% yield) as light green crystals.

[References]

[1] Patent: US2007/238700, 2007, A1. Location in patent: Page/Page column 26
[2] Patent: US2006/63841, 2006, A1. Location in patent: Page/Page column 24; 4/12
[3] Patent: CN102898374, 2016, B. Location in patent: Paragraph 0039; 0040
[4] Journal of Fluorine Chemistry, 2010, vol. 131, # 5, p. 597 - 605
[5] Journal of Organic Chemistry, 2007, vol. 72, # 18, p. 6873 - 6877
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