- 5-Bromobenzofuran-3-one
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- $0.00 / 1KG
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2022-01-04
- CAS:3260-78-4
- Min. Order: 1g
- Purity: 98%minHPLC
- Supply Ability: 50kgs/month
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| | 6-CHLORO-BENZOFURAN-3-ONE Basic information |
| Product Name: | 6-CHLORO-BENZOFURAN-3-ONE | | Synonyms: | 6-CHLORO-BENZOFURAN-3-ONE;3(2H)-BENZOFURANONE, 5-BROMO-;6-Chloro-3(2H)-benzofuranone;6-Bromo-3-Benzofuranone;3(2H)-Benzofuranone, 6-chloro-;6-BROMOBENZOFURAN-3(2H)-ONE;6-Chlorobenzofuran-3(2H)-one;6-chloro-2,3-dihydro-1-benzofuran-3-one | | CAS: | 3260-78-4 | | MF: | C8H5ClO2 | | MW: | 168.58 | | EINECS: | | | Product Categories: | | | Mol File: | 3260-78-4.mol |  |
| | 6-CHLORO-BENZOFURAN-3-ONE Chemical Properties |
| Melting point | 123-123.5 °C | | Boiling point | 304.3±42.0 °C(Predicted) | | density | 1.428±0.06 g/cm3(Predicted) | | storage temp. | Inert atmosphere,Room Temperature | | Appearance | Yellow to brown Solid | | InChI | InChI=1S/C8H5ClO2/c9-5-1-2-6-7(10)4-11-8(6)3-5/h1-3H,4H2 | | InChIKey | QSYZLDHZMYWEKL-UHFFFAOYSA-N | | SMILES | O1C2=CC(Cl)=CC=C2C(=O)C1 |
| | 6-CHLORO-BENZOFURAN-3-ONE Usage And Synthesis |
| Chemical Properties | Orange Solid | | Uses | 6-Bromobenzofuran-3(2H)-one is a useful reactant for the preparation of tricyclic sulfones as RORγ modulators. | | Synthesis | Step 3: 2-(carboxymethoxy)-4-chlorobenzoic acid (11.5 g, 50 mmol) obtained from step 2 was dissolved in acetic anhydride (100 ml) and anhydrous sodium acetate (10.0 g, excess) was added. The reaction mixture was heated to 150 °C and maintained for 4 hours. During the reaction, the color of the mixture changed to deep red. Upon completion of the reaction, the mixture was cooled to room temperature and quenched carefully with ice-cold water. The resulting red solid was collected by filtration and washed well with water. The washed red solid was suspended in 1N HCl and refluxed for 2 hours. After the reaction, 6-chlorobenzofuran-3(2H)-one precipitated from the mixture as a deep red solid. The product was isolated by filtration, washed well with water and dried at 40 °C and used in subsequent steps without further purification. Yield: 5.8 g (69%); MS data: (M + H): 169. | | References | [1] Patent: US2009/54454, 2009, A1. Location in patent: Page/Page column 22
[2] Patent: WO2004/99191, 2004, A2. Location in patent: Page 49
[3] Patent: US2005/4162, 2005, A1. Location in patent: Page/Page column 12 |
| | 6-CHLORO-BENZOFURAN-3-ONE Preparation Products And Raw materials |
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