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HomeProduct name list7-bromochroman-4-one

7-bromochroman-4-one

  • CAS NO.:18442-22-3
  • Empirical Formula: C9H7BrO2
  • Molecular Weight: 227.05
  • MDL number: MFCD09744055
  • EINECS: 1308068-626-2
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-12-07 18:29:35
7-bromochroman-4-one Structural

What is 7-bromochroman-4-one?

The Uses of 7-bromochroman-4-one

Used as a intermediate for  R & D.

Synthesis

7-Bromochroman-4-one was synthesized by hydrogenation addition of 7-Bromo-benzopyrone catalyzed by Wilkinson's catalyst Rhodium( Ⅰ) tris( triphenylphosphine) chloride[Rh( PPh3)3Cl]. The structure was confirmed by1 H NMR and MS. The optimum reaction conditions for synthesizing 7-Bromochroman-4-one were as follows: 5 0. 329 mol,ethanol as the solvent,c( 5) =0. 4 mol·L- 1,4% mol Rh( PPh3)3Cl as the catalyst,under 0. 3 MPa of hydrogen pressure,at 70℃ for 20 h,the yield was 79. 8%.

Properties of 7-bromochroman-4-one

Boiling point: 336.6±42.0 °C(Predicted)
Density  1.621±0.06 g/cm3(Predicted)
storage temp.  2-8°C

Safety information for 7-bromochroman-4-one

Computed Descriptors for 7-bromochroman-4-one

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