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CAS No. : | 60710-39-6 | MDL No. : | MFCD08273793 |
Formula : | C7H7BrO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | GMZKNRDHSHYMHG-UHFFFAOYSA-N |
M.W : | 187.03 | Pubchem ID : | 10307913 |
Synonyms : |
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Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302+H312+H332-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
78% | With triethylamine In dichloromethane at 20℃; Cooling with ice | Intermediate 71{(S)-6-[(R)-4-(5-Hvdroxy-2-methyl-phenyl)-indan-1 -yloxy1-2,3-dihydro-benzofuran-3- yl)-acetic acid methyl esterStep 1 : (3-bromo-4-methyl-phenoxy)-tert-butyl-dimethyl-silane tert-Butyldimethylsilyl chloride (0.18 g) is added to a solution of 3-bromo-4-methyl- phenol (0.20 g) and triethylamine (0.23 ml_) in dichloromethane (3 ml_) chilled in an ice bath. 4-Dimethylaminopyridine (13 mg) is added and the solution is stirred at room temperature overnight. Dichloromethane is added and the solution is washed with 1 M hydrochloric acid, aqueous NaHC03 solution, and brine, and dried (MgS04). The solvent is evaporated and the residue is chromatographed on silica gel (cyclohexane/ethyl acetate) to give the title compound. Yield: 0.25 g (78percent of theory); LC (method 1 ): tR = 1 .59 min. |
78% | With dmap; triethylamine In dichloromethane at 20℃; Cooling with ice | Intermediate 71{(S)-6-[(R)-4-(5-Hydroxy-2-methyl-phenyl)-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester Step 1: (3-bromo-4-methyl-phenoxy)-tert-butyl-dimethyl-silanetert-Butyldimethylsilyl chloride (0.18 g) is added to a solution of 3-bromo-4-methyl-phenol (0.20 g) and triethylamine (0.23 mL) in dichloromethane (3 mL) chilled in an ice bath. 4-Dimethylaminopyridine (13 mg) is added and the solution is stirred at room temperature overnight. Dichloromethane is added and the solution is washed with 1 M hydrochloric acid, aqueous NaHCO3 solution, and brine, and dried (MgSO4).The solvent is evaporated and the residue is chromatographed on silica gel (cyclohexane/ethyl acetate) to give the title compound. Yield: 0.25 g (78percent of theory); LC (method 1): tR=1.59 min. |