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
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
New Products
4-Aminotetrahydropyran-4-carbonitrile Hydrochloride (R)-3-Aminobutanenitrile Hydrochloride 4-AMINO-TETRAHYDRO-PYRAN-4-CARBOXYLIC ACID HCL 4-(Dimethylamino)tetrahydro-2H-pyran-4-carbonitrile 3-((Dimethylamino)methyl)-5-methylhexan-2-one oxalate 1,4-Dioxa-8-azaspiro[4.5]decane 5-Bromo-2-nitropyridine Nimesulide BP Aceclofenac IP/BP/EP Mefenamic Acid IP/BP/EP/USP Diclofenac Sodium IP/BP/EP/USP Ornidazole IP Diclofenac Potassium SODIUM AAS SOLUTION ZINC AAS SOLUTION BUFFER SOLUTION PH 10.0(BORATE) GOOCH CRUCIBLE SINTERED AQUANIL 5 BERYLLIUM AAS SOLUTION 2-Bromo-1-(bromomethyl)-3-chloro-5-nitrobenzene 2-Bromo-3-nitroaniline N-(3-Hydroxypropyl)-N-methylacetamide 3-Bromo-6-chloropyridazine 4-ethyl-3-nitrobenzoic acidRelated products of tetrahydrofuran
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6-CHLOROCHROMAN-4-ONE
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