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681246-49-1

681246-49-1 Structure

681246-49-1 Structure
IdentificationBack Directory
[Name]

6-amino-7-bromo-2,3-dihydro-1H-inden-1-one
[CAS]

681246-49-1
[Synonyms]

6-Amino-7-bromo-indan-1-one
6-amino-7-bromo-2,3-dihydroinden-1-one
6-amino-7-bromo-2,3-dihydro-1H-inden-1-one
1H-Inden-1-one, 6-amino-7-bromo-2,3-dihydro-
[Molecular Formula]

C9H8BrNO
[MDL Number]

MFCD16249550
[MOL File]

681246-49-1.mol
[Molecular Weight]

226.07
Chemical PropertiesBack Directory
[Boiling point ]

379.7±42.0 °C(Predicted)
[density ]

1.693±0.06 g/cm3(Predicted)
[storage temp. ]

Keep in dark place,Inert atmosphere,Room temperature
[pka]

1.79±0.20(Predicted)
[Appearance]

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

2922390090
Spectrum DetailBack Directory
[Spectrum Detail]

6-amino-7-bromo-2,3-dihydro-1H-inden-1-one(681246-49-1)1HNMR
Hazard InformationBack Directory
[Synthesis]

6-Aminoindanone

69975-65-1

6-amino-7-bromo-2,3-dihydro-1H-inden-1-one

681246-49-1

6-Amino-1-indanone (2.0516 g, 13.94 mmol) was used as starting material, which was dissolved in a 9:1 CHCl3/DMF solvent mixture (52 mL). Bromine (Br2, 0.71 mL, 13.94 mmol) was added slowly and dropwise under stirring conditions. The reaction mixture was continued to be stirred at room temperature for 1 hour. After completion of the reaction, the precipitate was collected by filtration and the filter cake was dried under vacuum to afford the target compound 6-amino-7-bromo-2,3-dihydro-1H-inden-1-one (2.7127 g, 63% yield). The product was detected by mass spectrometry (ESI(+)) and showed m/e 226,228 (M + H)+; mass spectrometry (ESI(-)) showed m/e 225,227 (M-H)-. 1H NMR (300 MHz, DMSO-d6) δ 7.28 (dt, 1H), 7.17 (d, 1H), 5.87 (br s, 3H), 2.89 ( m, 2H), 2.62 (m, 2H).

[References]

[1] Patent: US2004/167128, 2004, A1. Location in patent: Page 40
[2] Patent: WO2009/10260, 2009, A2. Location in patent: Page/Page column 58
[3] Patent: US2010/273830, 2010, A1. Location in patent: Page/Page column 33
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